How many institutions own BOLT stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own BOLT shares is 26, representing 44.61% of the company's common stock.

Who are the major shareholders selling Bolt Biotherapeutics, Inc. stock?

NAN FUNG GROUP HOLDINGS LTD, in the last quarter, reduced its stake in BOLT by -49.87% restricting it's holding to 29.25 thousand shares of worth nearly $118.17K. PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC also lessened -54.98% of the BOLT shares from its portfolio, reducing its holding to 42.58 thousand shares of worth $172.03K. SHAY CAPITAL LLC also shunned BOLT shares holding by -2.4% last quarter which brought its holding to 14.91 thousand shares worth $60.22K.

Investors who are buying BOLT stock?

As per its latest 13F filing, VANGUARD GLOBAL ADVISERS, LLC increased its stake in BOLT by 100% in the last quarter. The institutional holder raised its holding to 24 shares having worth more than $97.00. UBS GROUP AG also added 52.82% more shares of BOLT to its portfolio, raising its holding to 787 shares of worth $3.18K. VANGUARD FIDUCIARY TRUST CO also increased its BOLT shares holding by 100% which brought its holding to 3.1 thousand shares worth $12.50K.

BOLT's major insiders: who are they?

The insider with the most stakes in BOLT is Novo Holdings A/S , at the company. Additionally, BOLT stock is highly held by director HEALY JAMES and 10 percent owner Sofinnova Venture Partners X, L.P. among others.

Did an insider recently sell BOLT stock?

Company executives, directors, and other insiders own 2.26% percent of Bolt Biotherapeutics, Inc.'s stock. Within the last six months, there have been 0 transaction(s) in which BOLT insiders have sold stock, totaling 0 shares. Insiders that have sold shares include ENGLEMAN EDGAR, VIVO CAPITAL VIII, LLC, and NOVO HOLDINGS A/S.

Which insider recently purchased BOLT stock?

There have been 0 transaction(s) during the past 6-months in which Bolt Biotherapeutics, Inc. insiders have bought stock, totalling 0 shares

How much of BOLT does insiders own?

Around 0 Bolt Biotherapeutics, Inc. shares are held by insiders, which represents about 2.26% of BOLT stock.

Who is the insider with the largest stake?

BOLT , Novo Holdings A/S holds the largest portfolio of the company's shares. BOLT shares owned by Novo total nearly 3.7 million.

Which institution holds the most shares in BOLT?

VANGUARD GLOBAL ADVISERS, LLC is the largest institutional owner in BOLT which holds 24 shares worth $97.00 or 0% of the total BOLT shares outstanding followed by JPMORGAN CHASE & CO with ownership of 42 shares representing 0% of the BOLT ownership. UBS GROUP AG is the third largest stakeholder with 787 shares or 0.04% of the ownership worth more than $3.18K.

Is Bolt Biotherapeutics, Inc. stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the BOLT is concerned, it is a stock which is not optionable.

Is there a short position on BOLT's shares?

Number of BOLT shares short is 13.12K. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding BOLT shares are there?

As of today, 1.92M shares of BOLT are outstanding.

Is there many float in BOLT stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, BOLT has 1.77M shares in float.

BOLT short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for BOLT is 0.49.

Bolt Biotherapeutics (BOLT) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableNo

Short Percent Of Outstanding Shares0.68

Short Percent Of Float0.68

Shares Outstanding1.92M

Shares Float1.77M

Shares Short13.12K

Short Ratio0.49

0.68%

Short % of Float

0.68%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

2.26% Percentage of Shares held by All Insiders

44.61% Percentage of Shares held by All Institutions

45.65% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 44.61% of BOLT shares are held by financial institutions. VANGUARD GLOBAL ADVISERS, LLC is the top corporate investor, holding 24 shares valued at $97.00. A 0% stake in Bolt Biotherapeutics, Inc. is owned by the company. JPMORGAN CHASE & CO owns 42 shares valued at $179.00, which translates its holding of 0% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2026	VANGUARD GLOBAL ADVISERS, LLC	0%	24	97	24	+100.00%
Mar 31, 2026	JPMORGAN CHASE & CO	0%	42	179	0	0
Mar 31, 2026	UBS GROUP AG	0.04%	787	3.18K	272	+52.82%
Mar 31, 2026	VANGUARD FIDUCIARY TRUST CO	0.17%	3.1K	12.5K	3.1K	+100.00%
Mar 31, 2026	BLACKROCK, INC.	0.52%	9.71K	39.23K	0	0
Mar 31, 2026	RENAISSANCE TECHNOLOGIES LLC	4.13%	77.23K	311.99K	22.2K	+40.35%
Mar 31, 2026	TOWER RESEARCH CAPITAL LLC (TRC)	0.06%	1.09K	4.42K	370	+51.18%
Mar 31, 2026	MORGAN STANLEY	0.17%	3.19K	12.88K	61	+1.95%
Mar 31, 2026	CITADEL ADVISORS LLC	0.54%	10.11K	40.84K	10.11K	+100.00%
Mar 31, 2026		0.38%	7.06K	28.52K	7.06K	+100.00%
Mar 31, 2026	BARCLAYS PLC	0%	6	24	0	0
Mar 31, 2026	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.62%	11.66K	47.09K	11.66K	+100.00%
Mar 31, 2026	GEODE CAPITAL MANAGEMENT, LLC	1.54%	28.79K	116.33K	9.99K	+53.12%
Mar 31, 2026	NAN FUNG GROUP HOLDINGS LTD	1.56%	29.25K	118.17K	-29.1K	-49.87%
Mar 31, 2026	LYNX1 CAPITAL MANAGEMENT LP	1.65%	30.8K	124.43K	30.8K	+100.00%
Mar 31, 2026	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	1.92%	35.98K	145.35K	0	0
Mar 31, 2026	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	2.28%	42.58K	172.03K	-51.99K	-54.98%
Mar 31, 2026	VIVO CAPITAL, LLC	3.87%	72.41K	292.55K	0	0
Mar 31, 2026	PFIZER INC	1.67%	31.31K	137.12K	0	0
Mar 31, 2026	SOFINNOVA INVESTMENTS, INC.	7.37%	137.72K	556.39K	0	0
Mar 31, 2026	NANO CAP NEW MILLENNIUM GROWTH FUND L P	1.47%	27.5K	111.1K	7K	+34.15%
Mar 31, 2026	SHAY CAPITAL LLC	0.8%	14.91K	60.22K	-367	-2.40%
Mar 31, 2026	CITIGROUP INC	0%	0	-	-256	-100.00%
Mar 31, 2026	BANK OF AMERICA CORP /DE/	0%	0	-	-31	-100.00%
Mar 31, 2026	SBI SECURITIES CO., LTD.	0%	10	40	0	0
Dec 31, 2025	SALEM INVESTMENT COUNSELORS INC	0%	0	-	-2	-100.00%
Dec 31, 2025	BARCLAYS PLC	0%	6	33	0	0
Dec 31, 2025	SBI SECURITIES CO., LTD.	0%	10	55	0	0
Dec 31, 2025	BANK OF AMERICA CORP /DE/	0%	31	169	0	0
Dec 31, 2025	JPMORGAN CHASE & CO	0%	42	230	0	0
Dec 31, 2025	CITIGROUP INC	0.01%	256	1.4K	256	+100.00%
Dec 31, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.04%	723	3.95K	464	+179.15%
Dec 31, 2025	MORGAN STANLEY	0.16%	3.13K	17.1K	0	0
Dec 31, 2025	BLACKROCK, INC.	0.51%	9.71K	53.1K	0	0
Dec 31, 2025	VANGUARD GROUP INC	0.53%	10.18K	55.78K	-24.05K	-70.26%
Dec 31, 2025	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	1.87%	35.98K	196.72K	-1	0.00%
Dec 31, 2025	SHAY CAPITAL LLC	0.8%	15.27K	83.51K	-686	-4.30%
Dec 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.98%	18.8K	103.06K	270	+1.46%
Dec 31, 2025	NANO CAP NEW MILLENNIUM GROWTH FUND L P	1.07%	20.5K	112.09K	20.5K	+100.00%
Dec 31, 2025	PFIZER INC	1.63%	31.31K	171.18K	0	0
Dec 31, 2025		1.98%	38K	207.78K	38K	+100.00%
Dec 31, 2025	SAMSARA BIOCAPITAL, LLC	0%	0	-	-48.83K	-100.00%
Dec 31, 2025	RENAISSANCE TECHNOLOGIES LLC	2.87%	55.03K	300.88K	26.4K	+92.23%
Dec 31, 2025	NAN FUNG GROUP HOLDINGS LTD	3.04%	58.35K	319.04K	0	0
Dec 31, 2025	VIVO CAPITAL, LLC	3.77%	72.41K	395.96K	-103.65K	-58.87%
Dec 31, 2025	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	4.93%	94.57K	517.13K	0	0
Dec 31, 2025	SOFINNOVA INVESTMENTS, INC.	7.18%	137.72K	753.06K	0	0
Dec 31, 2025	UBS GROUP AG	0.03%	515	2.82K	512	+17,066.67%
Dec 31, 2025	SQUAREPOINT OPS LLC	0%	0	-	-14.84K	-100.00%
Dec 31, 2025	DRW SECURITIES, LLC	0%	0	-	-12.32K	-100.00%
Dec 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0%	0	-	-16.64K	-100.00%
Dec 31, 2025	TANG CAPITAL MANAGEMENT LLC	0%	0	-	-66.88K	-100.00%
Sep 30, 2025	MORGAN STANLEY	0.16%	3.13K	16.64K	-451	-12.60%
Sep 30, 2025	DRW SECURITIES, LLC	0.64%	12.32K	65.55K	12.32K	+100.00%
Sep 30, 2025	SQUAREPOINT OPS LLC	0.77%	14.84K	78.93K	2.45K	+19.76%
Sep 30, 2025	SHAY CAPITAL LLC	0.83%	15.96K	84.9K	15.96K	+100.00%
Sep 30, 2025	TANG CAPITAL MANAGEMENT LLC	3.49%	66.88K	355.8K	-100K	-59.92%
Sep 30, 2025	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	4.93%	94.57K	503.13K	0	0
Sep 30, 2025	SOFINNOVA INVESTMENTS, INC.	7.18%	137.72K	732.68K	0	0
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0%	31	165	-251	-89.01%
Sep 30, 2025	JPMORGAN CHASE & CO	0%	42	223	-1	-2.33%
Sep 30, 2025	BLACKROCK, INC.	0.51%	9.71K	51.66K	-839	-7.95%
Sep 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.87%	16.64K	88.54K	16.64K	+100.00%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.97%	18.53K	98.61K	0	0
Sep 30, 2025	RENAISSANCE TECHNOLOGIES LLC	1.49%	28.63K	152.29K	10.3K	+56.21%
Sep 30, 2025	PFIZER INC	1.63%	31.31K	166.54K	0	0
Sep 30, 2025	NEWEDGE ADVISORS, LLC	0%	0	-	-483	-100.00%
Sep 30, 2025	FMR LLC	0%	0	-	-121	-100.00%
Sep 30, 2025	SALEM INVESTMENT COUNSELORS INC	0%	2	11	0	0
Sep 30, 2025	UBS GROUP AG	0%	3	16	-180	-98.36%
Sep 30, 2025	BARCLAYS PLC	0%	6	32	6	+100.00%
Sep 30, 2025	DANSKE BANK A/S	0%	0	-	-1	-100.00%
Sep 30, 2025	SAMSARA BIOCAPITAL, LLC	2.55%	48.83K	259.78K	-3.63K	-6.91%
Sep 30, 2025	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	1.88%	35.98K	191.4K	0	0
Sep 30, 2025	VANGUARD GROUP INC	1.79%	34.23K	182.11K	-24.25K	-41.47%
Sep 30, 2025	VIVO CAPITAL, LLC	9.18%	176.06K	936.66K	0	0
Sep 30, 2025	NAN FUNG GROUP HOLDINGS LTD	3.04%	58.35K	310.41K	0	0
Sep 30, 2025	ADAR1 CAPITAL MANAGEMENT, LLC	0%	0	-	-10.82K	-100.00%
Sep 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	0	-	-2.36K	-100.00%
Sep 30, 2025	SBI SECURITIES CO., LTD.	0%	10	53	0	0
Sep 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	259	1.38K	-136	-34.43%
Jun 30, 2025	SAMSARA BIOCAPITAL, LLC	0%	0	-	-1.05M	-100.00%
Jun 30, 2025	NEWEDGE ADVISORS, LLC	0%	483	2.79K	483	+100.00%
Jun 30, 2025	BANK OF AMERICA CORP /DE/	0%	0	-	-5.63K	-100.00%
Jun 30, 2025	SQUAREPOINT OPS LLC	0%	0	-	-83.89K	-100.00%
Jun 30, 2025	VIVO CAPITAL, LLC	0%	0	-	-3.52M	-100.00%
Jun 30, 2025	BLACKROCK, INC.	0.03%	10.55K	60.87K	10.55K	+100.00%
Jun 30, 2025	STONEX GROUP INC.	0%	0	-	-15.53K	-100.00%
Jun 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0%	0	-	-314.14K	-100.00%
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0%	0	-	-375.11K	-100.00%
Jun 30, 2025	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	0%	0	-	-719.55K	-100.00%
Jun 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	0	-	-8.69K	-100.00%
Jun 30, 2025	NAN FUNG GROUP HOLDINGS LTD	0%	0	-	-1.17M	-100.00%
Jun 30, 2025	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	0%	0	-	-1.89M	-100.00%
Jun 30, 2025	SOFINNOVA INVESTMENTS, INC.	0%	0	-	-2.75M	-100.00%
Jun 30, 2025	TANG CAPITAL MANAGEMENT LLC	0%	0	-	-3.81M	-100.00%
Jun 30, 2025		0%	0	-	-200	-100.00%
Jun 30, 2025	MARINER, LLC	0%	0	-	-40K	-100.00%
Jun 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0%	0	-	-21.73K	-100.00%
Jun 30, 2025	SBI SECURITIES CO., LTD.	0%	0	-	-200	-100.00%
Jun 30, 2025	UBS GROUP AG	0%	0	-	-111.51K	-100.00%
Jun 30, 2025	XTX TOPCO LTD	0%	0	-	-15.39K	-100.00%
Jun 30, 2025	ADAR1 CAPITAL MANAGEMENT, LLC	0%	0	-	-244.97K	-100.00%
Jun 30, 2025	NORTHERN TRUST CORP	0%	0	-	-40.9K	-100.00%
Jun 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0.01%	2.36K	1.27K	2.36K	+100.00%
Jun 30, 2025	JPMORGAN CHASE & CO	0%	0	-	-906	-100.00%
Jun 30, 2025	PFIZER INC	0%	0	-	-626.11K	-100.00%
Jun 30, 2025	STATE STREET CORP	0%	0	-	-47.44K	-100.00%
Jun 30, 2025	VANGUARD GROUP INC	0%	0	-	-1.17M	-100.00%
Jun 30, 2025	FMR LLC	0%	0	-	-8.1K	-100.00%
Jun 30, 2025	SALEM INVESTMENT COUNSELORS INC	0%	0	-	-40	-100.00%
Jun 30, 2025	MORGAN STANLEY	0%	0	-	-11.62K	-100.00%
Mar 31, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0%	0	-	-60.2K	-100.00%
Mar 31, 2025	TANG CAPITAL MANAGEMENT LLC	0.5%	3.81M	1.53M	0	0
Mar 31, 2025	VIRTU FINANCIAL LLC	0%	0	-	-29.55K	-100.00%
Mar 31, 2025	ENGINEERS GATE MANAGER LP	0%	0	-	-72.4K	-100.00%
Mar 31, 2025	VANGUARD GROUP INC	3.05%	1.17M	467.88K	102.3K	+9.58%
Mar 31, 2025	FMR LLC	0%	8.1K	3.24K	-121.15K	-93.73%
Mar 31, 2025	MORGAN STANLEY	0%	11.62K	4.65K	-1	-0.01%
Mar 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	0	-	-1	-100.00%
Mar 31, 2025	MILLENNIUM MANAGEMENT LLC	0%	0	-	-47.03K	-100.00%
Mar 31, 2025	ADAR1 CAPITAL MANAGEMENT, LLC	0.03%	244.97K	97.99K	0	0
Mar 31, 2025	SQUAREPOINT OPS LLC	0.01%	83.89K	33.56K	34.92K	+71.31%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0%	0	-	-50.02K	-100.00%
Mar 31, 2025	MARINER, LLC	0.01%	40K	16K	5K	+14.29%
Mar 31, 2025	PFIZER INC	0.08%	626.11K	250.44K	0	0
Mar 31, 2025	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	0.09%	719.55K	287.82K	0	0
Mar 31, 2025	SAMSARA BIOCAPITAL, LLC	0.14%	1.05M	419.66K	0	0
Mar 31, 2025	NAN FUNG GROUP HOLDINGS LTD	0.15%	1.17M	466.78K	0	0
Mar 31, 2025	NORTHERN TRUST CORP	0.11%	40.9K	16.36K	0	0
Mar 31, 2025	STATE STREET CORP	0.12%	47.44K	18.98K	0	0
Mar 31, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	0	-	-2.36K	-100.00%
Mar 31, 2025	VELAN CAPITAL INVESTMENT MANAGEMENT LP	0%	0	-	-50K	-100.00%
Mar 31, 2025	JANE STREET GROUP, LLC	0%	0	-	-41.87K	-100.00%
Mar 31, 2025	UBS GROUP AG	0.29%	111.51K	44.6K	45.4K	+68.66%
Mar 31, 2025	ASSENAGON ASSET MANAGEMENT S.A.	0%	0	-	-20.79K	-100.00%
Mar 31, 2025	XTX TOPCO LTD	0%	15.39K	6.16K	-29.5K	-65.71%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.98%	375.11K	150.08K	34.44K	+10.11%
Mar 31, 2025	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	0.25%	1.89M	756.59K	0	0
Mar 31, 2025	STONEX GROUP INC.	0%	15.53K	6.21K	15.53K	+100.00%
Mar 31, 2025	BLACKROCK, INC.	0.04%	268.64K	107.46K	-1.45K	-0.54%
Mar 31, 2025	SOFINNOVA INVESTMENTS, INC.	0.36%	2.75M	1.1M	0	0
Mar 31, 2025	VIVO CAPITAL, LLC	0.46%	3.52M	1.41M	0	0
Mar 31, 2025	SALEM INVESTMENT COUNSELORS INC	0%	40	16	0	0
Mar 31, 2025		0%	200	80	0	0
Mar 31, 2025	JPMORGAN CHASE & CO	0%	906	362	-5	-0.55%
Mar 31, 2025	CITADEL ADVISORS LLC	0%	0	-	-78.96K	-100.00%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0.01%	5.63K	2.25K	3	+0.05%
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.82%	314.14K	125.66K	12.1K	+4.01%
Mar 31, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	8.69K	3.48K	4.68K	+116.77%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.06%	21.73K	8.69K	21.73K	+100.00%
Mar 31, 2024	JPMORGAN CHASE & CO	0%	840	1.18K	0	0
Mar 31, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0%	2	3	0	0
Mar 31, 2024	SALEM INVESTMENT COUNSELORS INC	0%	40	56	0	0
Mar 31, 2024	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	5.55K	7.76K	-2.69K	-32.66%
Mar 31, 2024	VIRTU FINANCIAL LLC	0.03%	10.94K	15K	10.94K	+100.00%
Mar 31, 2024	UBS GROUP AG	0.03%	12.17K	17.04K	4.52K	+59.08%
Mar 31, 2024	XTX TOPCO LTD	0.03%	12.83K	17.96K	-6.33K	-33.03%
Mar 31, 2024	ADVISOR GROUP HOLDINGS, INC.	0.04%	15K	21K	11.02K	+277.07%
Mar 31, 2024	TWO SIGMA SECURITIES, LLC	0.06%	23.81K	33.34K	-40.42K	-62.93%
Mar 31, 2024	MORGAN STANLEY	0.07%	24.69K	34.56K	-54.71K	-68.91%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	0.12%	45.96K	64.34K	-1.05K	-2.24%
Mar 31, 2024	STATE STREET CORP	0.13%	47.44K	66.41K	0	0
Mar 31, 2024	SQUAREPOINT OPS LLC	0.21%	78.02K	109.23K	-1.75K	-2.20%
Mar 31, 2024	FMR LLC	0.21%	78.9K	110.46K	-294	-0.37%
Mar 31, 2024	MARQUETTE ASSET MANAGEMENT, LLC	0.26%	96.67K	135.34K	0	0
Mar 31, 2024	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.29%	111.2K	155.68K	0	0
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	0.92%	347.57K	486.69K	-2.6K	-0.74%
Mar 31, 2024	ADAGE CAPITAL PARTNERS GP, L.L.C.	1.32%	500K	700K	0	0
Mar 31, 2024	RENAISSANCE TECHNOLOGIES LLC	1.37%	517.64K	725K	72.36K	+16.25%
Mar 31, 2024	ACUITAS INVESTMENTS, LLC	1.37%	517.95K	725.13K	58.5K	+12.73%
Mar 31, 2024	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	1.9%	719.55K	1.01M	0	0
Mar 31, 2024	SAMSARA BIOCAPITAL, LLC	2.77%	1.05M	1.47M	0	0
Mar 31, 2024	ORBIMED ADVISORS LLC	4.08%	1.54M	2.16M	0	0
Mar 31, 2024	NEWTYN MANAGEMENT, LLC	4.5%	1.7M	2.38M	146.47K	+9.43%
Mar 31, 2024	CITADEL ADVISORS LLC	6.39%	2.42M	3.38M	-43.23K	-1.76%
Mar 31, 2024	PRUDENTIAL FINANCIAL INC	0.09%	35.2K	49.28K	23K	+188.52%
Mar 31, 2024	NORTHERN TRUST CORP	0.11%	41.01K	57.41K	0	0
Mar 31, 2024	SOFINNOVA INVESTMENTS, INC.	7.28%	2.75M	3.86M	0	0
Mar 31, 2024	TANG CAPITAL MANAGEMENT LLC	9.04%	3.42M	4.79M	-232.24K	-6.36%
Mar 31, 2024	PRIVIUM FUND MANAGEMENT (UK) LTD	0%	0	-	-116.52K	-100.00%
Mar 31, 2024	JANE STREET GROUP, LLC	0%	0	-	-56.26K	-100.00%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0%	211	295	4	+1.93%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	0%	628	879	0	0
Mar 31, 2024	ADAR1 CAPITAL MANAGEMENT, LLC	0.01%	5K	7K	5K	+100.00%
Mar 31, 2024	BLACKROCK INC.	0.67%	254.96K	356.94K	-2.31K	-0.90%
Mar 31, 2024	VANGUARD GROUP INC	2.74%	1.04M	1.45M	106.47K	+11.43%
Mar 31, 2024	NAN FUNG GROUP HOLDINGS LTD	3.09%	1.17M	1.63M	0	0
Mar 31, 2024	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	5%	1.89M	2.65M	0	0
Mar 31, 2024	VIVO CAPITAL, LLC	9.31%	3.52M	4.93M	0	0
Mar 31, 2024	CITIGROUP INC	0%	0	-	-2.31K	-100.00%
Dec 31, 2023	TOWER RESEARCH CAPITAL LLC (TRC)	0.02%	8.24K	9.22K	8.24K	+100.00%
Dec 31, 2023	FEDERATED HERMES, INC.	0%	0	-	-1.16K	-100.00%
Dec 31, 2023	QUBE RESEARCH & TECHNOLOGIES LTD	0%	2	2	0	0
Dec 31, 2023	SALEM INVESTMENT COUNSELORS INC	0%	40	45	0	0
Dec 31, 2023	WELLS FARGO & COMPANY/MN	0%	207	232	10	+5.08%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0%	628	703	0	0
Dec 31, 2023	JPMORGAN CHASE & CO	0%	840	941	-75.45K	-98.90%
Dec 31, 2023	CITIGROUP INC	0.01%	2.31K	2.58K	2.31K	+100.00%
Dec 31, 2023	ADVISOR GROUP HOLDINGS, INC.	0.01%	3.98K	4.46K	3.98K	+100.00%
Dec 31, 2023	CITADEL ADVISORS LLC	6.49%	2.46M	2.75M	-394.68K	-13.83%
Dec 31, 2023	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	4.99%	1.89M	2.12M	0	0
Dec 31, 2023	NEWTYN MANAGEMENT, LLC	4.1%	1.55M	1.74M	533.54K	+52.31%
Dec 31, 2023	ORBIMED ADVISORS LLC	4.07%	1.54M	1.73M	0	0
Dec 31, 2023	NAN FUNG GROUP HOLDINGS LTD	3.08%	1.17M	1.31M	0	0
Dec 31, 2023	SAMSARA BIOCAPITAL, LLC	2.77%	1.05M	1.18M	0	0
Dec 31, 2023	UBS GROUP AG	0.02%	7.65K	8.57K	7.57K	+8,796.51%
Dec 31, 2023	VANGUARD GROUP INC	2.46%	931.13K	1.04M	6.86K	+0.74%
Dec 31, 2023	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	1.9%	719.55K	805.89K	-37.55K	-4.96%
Dec 31, 2023	ADAGE CAPITAL PARTNERS GP, L.L.C.	1.32%	500K	560K	0	0
Dec 31, 2023	TANG CAPITAL MANAGEMENT LLC	9.64%	3.65M	4.09M	95.2K	+2.68%
Dec 31, 2023	ACUITAS INVESTMENTS, LLC	1.21%	459.46K	514.59K	-924	-0.20%
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	1.18%	445.27K	499K	131.08K	+41.72%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	0.92%	350.16K	392.26K	-10.58K	-2.93%
Dec 31, 2023	BLACKROCK INC.	0.68%	257.27K	288.14K	-752	-0.29%
Dec 31, 2023	VIVO CAPITAL, LLC	9.3%	3.52M	3.94M	-350K	-9.04%
Dec 31, 2023	PRIVIUM FUND MANAGEMENT (UK) LTD	0.31%	116.52K	130.5K	0	0
Dec 31, 2023	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.29%	111.2K	124.54K	0	0
Dec 31, 2023	MARQUETTE ASSET MANAGEMENT, LLC	0.26%	96.67K	108.27K	-1.16K	-1.19%
Dec 31, 2023	SQUAREPOINT OPS LLC	0.21%	79.77K	89.35K	-265	-0.33%
Dec 31, 2023	MORGAN STANLEY	0.21%	79.39K	88.92K	-80.37K	-50.31%
Dec 31, 2023	FMR LLC	0.21%	79.19K	88.7K	-3	0.00%
Dec 31, 2023	TWO SIGMA SECURITIES, LLC	0.17%	64.23K	71.94K	64.23K	+100.00%
Dec 31, 2023	JANE STREET GROUP, LLC	0.15%	56.26K	63.02K	56.26K	+100.00%
Dec 31, 2023	SOFINNOVA INVESTMENTS, INC.	7.27%	2.75M	3.08M	0	0
Dec 31, 2023	STATE STREET CORP	0.13%	47.44K	53.13K	-1.3K	-2.67%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	0.12%	47.01K	52.65K	2.02K	+4.50%
Dec 31, 2023	NORTHERN TRUST CORP	0.11%	41.01K	45.93K	9.82K	+31.50%
Dec 31, 2023	XTX TOPCO LTD	0.05%	19.15K	21.45K	19.15K	+100.00%
Dec 31, 2023	PRUDENTIAL FINANCIAL INC	0.03%	12.2K	13.66K	12.2K	+100.00%

Insiders

Among the BOLT insiders holding of 2.26% of the stake in company, NOVO HOLDINGS A/S, , holds the largest shares of 3.7M. HEALY JAMES, director, is the second largest BOLT insider with ownership of 2.75M shares. SOFINNOVA VENTURE PARTNERS X, L.P., 10 percent owner, stands third with possession of 2.75M shares of that stake.

Insiders	Designation	Shares Held
NOVO HOLDINGS A/S		3.7M
HEALY JAMES	director	2.75M
SOFINNOVA VENTURE PARTNERS X, L.P.	10 percent owner	2.75M
SHAH MAHENDRA	director	1.45M
ENGLEMAN EDGAR	director	251.52K
VIVO CAPITAL VIII, LLC	10 percent owner	111.66K
QUINN WILLIAM P.	President, CEO and CFO	2.31K
SCHATZMAN RANDALL C	Chief Executive Officer	1.5K
NEMEC SARAH	Senior VP, Finance and PAO	1.42K
PEREZ EDITH A.	Chief Medical Officer	1.33K
LAPORTE KATHLEEN	director	1.2K
KHANNA ASHISH SIRI RAM	director	1K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Dec 05, 2025	NEMEC SARAH	PURCHASE	4.61	125	575.88	1.42K
Dec 05, 2025	QUINN WILLIAM P.	PURCHASE	4.61	125	575.88	2.31K
Jun 06, 2025	QUINN WILLIAM P.	PURCHASE	5.49	125	686.5	2.19K
Jun 06, 2025	NEMEC SARAH	PURCHASE	5.49	125	686.5	943
Dec 16, 2024	NEMEC SARAH	PURCHASE	0.50	2.5K	1.24K	16.63K
Dec 16, 2024	QUINN WILLIAM P.	PURCHASE	0.50	2.5K	1.24K	41.27K
Jun 06, 2024	QUINN WILLIAM P.	PURCHASE	0.64	2.5K	1.59K	38.77K
Jun 06, 2024	NEMEC SARAH	PURCHASE	0.64	2.5K	1.59K	13.86K
Dec 12, 2023	QUINN WILLIAM P.	PURCHASE	0.95	7.5K	7.13K	36.27K
Dec 06, 2023	QUINN WILLIAM P.	PURCHASE	0.78	2.5K	1.96K	28.77K
Nov 30, 2023	ENGLEMAN EDGAR	SALE	0.86	14.93K	12.81K	251.52K
Nov 29, 2023	ENGLEMAN EDGAR	SALE	0.91	3.13K	2.84K	266.46K
Nov 21, 2023	VIVO CAPITAL VIII, LLC	SALE	0.90	1.46K	1.31K	111.66K
Nov 21, 2023	ENGLEMAN EDGAR	SALE	0.90	236	212.73	269.59K
Nov 20, 2023	VIVO CAPITAL VIII, LLC	SALE	0.92	23.44K	21.57K	113.12K
Nov 20, 2023	ENGLEMAN EDGAR	SALE	0.92	3.79K	3.49K	269.82K
Nov 17, 2023	ENGLEMAN EDGAR	SALE	0.93	1.13K	1.05K	273.62K
Nov 17, 2023	VIVO CAPITAL VIII, LLC	SALE	0.93	7.01K	6.52K	136.56K
Nov 16, 2023	ENGLEMAN EDGAR	SALE	0.96	1.04K	998.4	274.75K
Nov 16, 2023	VIVO CAPITAL VIII, LLC	SALE	0.96	6.43K	6.17K	143.57K
Jun 06, 2023	QUINN WILLIAM P.	PURCHASE	1.18	1.83K	2.16K	26.27K
Jul 13, 2022	NOVO HOLDINGS A/S	SALE	2.00	800K	1.6M	3.7M
Dec 08, 2021	QUINN WILLIAM P.	PURCHASE	4.71	5K	23.58K	20.15K
Dec 06, 2021	PEREZ EDITH A.	PURCHASE	4.64	411	1.91K	1.33K
Dec 06, 2021	QUINN WILLIAM P.	PURCHASE	4.64	35	162.4	15.15K
Jun 04, 2021	QUINN WILLIAM P.	PURCHASE	16.65	1.22K	20.33K	15.12K
Jun 04, 2021	PEREZ EDITH A.	PURCHASE	16.65	917	15.27K	917
Feb 09, 2021	SHAH MAHENDRA	SALE	20.00	62	1.24K	1.45M
Feb 09, 2021	HEALY JAMES	PURCHASE	20.00	450K	9M	2.75M
Feb 09, 2021	KHANNA ASHISH SIRI RAM	PURCHASE	20.00	1K	20K	1K
Feb 09, 2021	SCHATZMAN RANDALL C	PURCHASE	20.00	1.5K	30K	1.5K
Feb 09, 2021	QUINN WILLIAM P.	PURCHASE	20.00	1.2K	24K	13.9K
Feb 09, 2021	NOVO HOLDINGS A/S	PURCHASE	20.00	400K	8M	4.5M
Feb 09, 2021	VIVO CAPITAL VIII, LLC	PURCHASE	20.00	150K	3M	150K
Feb 09, 2021	LAPORTE KATHLEEN	PURCHASE	20.00	1.2K	24K	1.2K
Feb 09, 2021	ENGLEMAN EDGAR	SALE	20.00	20	400	251.52K
Feb 09, 2021	SOFINNOVA VENTURE PARTNERS X, L.P.	PURCHASE	20.00	450K	9M	2.75M

Frequently Asked Questions

Stock Outstanding Shares

ShortableYes

OptionableNo

Short Percent Of Outstanding Shares0.68

Short Percent Of Float0.68

Shares Outstanding1.92M

Shares Float1.77M

Shares Short13.12K

Short Ratio0.49

0.68%

Short % of Float

0.68%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

2.26% Percentage of Shares held by All Insiders

44.61% Percentage of Shares held by All Institutions

45.65% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2026	VANGUARD GLOBAL ADVISERS, LLC	0%	24	97	24	+100.00%
Mar 31, 2026	JPMORGAN CHASE & CO	0%	42	179	0	0
Mar 31, 2026	UBS GROUP AG	0.04%	787	3.18K	272	+52.82%
Mar 31, 2026	VANGUARD FIDUCIARY TRUST CO	0.17%	3.1K	12.5K	3.1K	+100.00%
Mar 31, 2026	BLACKROCK, INC.	0.52%	9.71K	39.23K	0	0
Mar 31, 2026	RENAISSANCE TECHNOLOGIES LLC	4.13%	77.23K	311.99K	22.2K	+40.35%
Mar 31, 2026	TOWER RESEARCH CAPITAL LLC (TRC)	0.06%	1.09K	4.42K	370	+51.18%
Mar 31, 2026	MORGAN STANLEY	0.17%	3.19K	12.88K	61	+1.95%
Mar 31, 2026	CITADEL ADVISORS LLC	0.54%	10.11K	40.84K	10.11K	+100.00%
Mar 31, 2026		0.38%	7.06K	28.52K	7.06K	+100.00%
Mar 31, 2026	BARCLAYS PLC	0%	6	24	0	0
Mar 31, 2026	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.62%	11.66K	47.09K	11.66K	+100.00%
Mar 31, 2026	GEODE CAPITAL MANAGEMENT, LLC	1.54%	28.79K	116.33K	9.99K	+53.12%
Mar 31, 2026	NAN FUNG GROUP HOLDINGS LTD	1.56%	29.25K	118.17K	-29.1K	-49.87%
Mar 31, 2026	LYNX1 CAPITAL MANAGEMENT LP	1.65%	30.8K	124.43K	30.8K	+100.00%
Mar 31, 2026	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	1.92%	35.98K	145.35K	0	0
Mar 31, 2026	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	2.28%	42.58K	172.03K	-51.99K	-54.98%
Mar 31, 2026	VIVO CAPITAL, LLC	3.87%	72.41K	292.55K	0	0
Mar 31, 2026	PFIZER INC	1.67%	31.31K	137.12K	0	0
Mar 31, 2026	SOFINNOVA INVESTMENTS, INC.	7.37%	137.72K	556.39K	0	0
Mar 31, 2026	NANO CAP NEW MILLENNIUM GROWTH FUND L P	1.47%	27.5K	111.1K	7K	+34.15%
Mar 31, 2026	SHAY CAPITAL LLC	0.8%	14.91K	60.22K	-367	-2.40%
Mar 31, 2026	CITIGROUP INC	0%	0	-	-256	-100.00%
Mar 31, 2026	BANK OF AMERICA CORP /DE/	0%	0	-	-31	-100.00%
Mar 31, 2026	SBI SECURITIES CO., LTD.	0%	10	40	0	0
Dec 31, 2025	SALEM INVESTMENT COUNSELORS INC	0%	0	-	-2	-100.00%
Dec 31, 2025	BARCLAYS PLC	0%	6	33	0	0
Dec 31, 2025	SBI SECURITIES CO., LTD.	0%	10	55	0	0
Dec 31, 2025	BANK OF AMERICA CORP /DE/	0%	31	169	0	0
Dec 31, 2025	JPMORGAN CHASE & CO	0%	42	230	0	0
Dec 31, 2025	CITIGROUP INC	0.01%	256	1.4K	256	+100.00%
Dec 31, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.04%	723	3.95K	464	+179.15%
Dec 31, 2025	MORGAN STANLEY	0.16%	3.13K	17.1K	0	0
Dec 31, 2025	BLACKROCK, INC.	0.51%	9.71K	53.1K	0	0
Dec 31, 2025	VANGUARD GROUP INC	0.53%	10.18K	55.78K	-24.05K	-70.26%
Dec 31, 2025	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	1.87%	35.98K	196.72K	-1	0.00%
Dec 31, 2025	SHAY CAPITAL LLC	0.8%	15.27K	83.51K	-686	-4.30%
Dec 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.98%	18.8K	103.06K	270	+1.46%
Dec 31, 2025	NANO CAP NEW MILLENNIUM GROWTH FUND L P	1.07%	20.5K	112.09K	20.5K	+100.00%
Dec 31, 2025	PFIZER INC	1.63%	31.31K	171.18K	0	0
Dec 31, 2025		1.98%	38K	207.78K	38K	+100.00%
Dec 31, 2025	SAMSARA BIOCAPITAL, LLC	0%	0	-	-48.83K	-100.00%
Dec 31, 2025	RENAISSANCE TECHNOLOGIES LLC	2.87%	55.03K	300.88K	26.4K	+92.23%
Dec 31, 2025	NAN FUNG GROUP HOLDINGS LTD	3.04%	58.35K	319.04K	0	0
Dec 31, 2025	VIVO CAPITAL, LLC	3.77%	72.41K	395.96K	-103.65K	-58.87%
Dec 31, 2025	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	4.93%	94.57K	517.13K	0	0
Dec 31, 2025	SOFINNOVA INVESTMENTS, INC.	7.18%	137.72K	753.06K	0	0
Dec 31, 2025	UBS GROUP AG	0.03%	515	2.82K	512	+17,066.67%
Dec 31, 2025	SQUAREPOINT OPS LLC	0%	0	-	-14.84K	-100.00%
Dec 31, 2025	DRW SECURITIES, LLC	0%	0	-	-12.32K	-100.00%
Dec 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0%	0	-	-16.64K	-100.00%
Dec 31, 2025	TANG CAPITAL MANAGEMENT LLC	0%	0	-	-66.88K	-100.00%
Sep 30, 2025	MORGAN STANLEY	0.16%	3.13K	16.64K	-451	-12.60%
Sep 30, 2025	DRW SECURITIES, LLC	0.64%	12.32K	65.55K	12.32K	+100.00%
Sep 30, 2025	SQUAREPOINT OPS LLC	0.77%	14.84K	78.93K	2.45K	+19.76%
Sep 30, 2025	SHAY CAPITAL LLC	0.83%	15.96K	84.9K	15.96K	+100.00%
Sep 30, 2025	TANG CAPITAL MANAGEMENT LLC	3.49%	66.88K	355.8K	-100K	-59.92%
Sep 30, 2025	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	4.93%	94.57K	503.13K	0	0
Sep 30, 2025	SOFINNOVA INVESTMENTS, INC.	7.18%	137.72K	732.68K	0	0
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0%	31	165	-251	-89.01%
Sep 30, 2025	JPMORGAN CHASE & CO	0%	42	223	-1	-2.33%
Sep 30, 2025	BLACKROCK, INC.	0.51%	9.71K	51.66K	-839	-7.95%
Sep 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.87%	16.64K	88.54K	16.64K	+100.00%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.97%	18.53K	98.61K	0	0
Sep 30, 2025	RENAISSANCE TECHNOLOGIES LLC	1.49%	28.63K	152.29K	10.3K	+56.21%
Sep 30, 2025	PFIZER INC	1.63%	31.31K	166.54K	0	0
Sep 30, 2025	NEWEDGE ADVISORS, LLC	0%	0	-	-483	-100.00%
Sep 30, 2025	FMR LLC	0%	0	-	-121	-100.00%
Sep 30, 2025	SALEM INVESTMENT COUNSELORS INC	0%	2	11	0	0
Sep 30, 2025	UBS GROUP AG	0%	3	16	-180	-98.36%
Sep 30, 2025	BARCLAYS PLC	0%	6	32	6	+100.00%
Sep 30, 2025	DANSKE BANK A/S	0%	0	-	-1	-100.00%
Sep 30, 2025	SAMSARA BIOCAPITAL, LLC	2.55%	48.83K	259.78K	-3.63K	-6.91%
Sep 30, 2025	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	1.88%	35.98K	191.4K	0	0
Sep 30, 2025	VANGUARD GROUP INC	1.79%	34.23K	182.11K	-24.25K	-41.47%
Sep 30, 2025	VIVO CAPITAL, LLC	9.18%	176.06K	936.66K	0	0
Sep 30, 2025	NAN FUNG GROUP HOLDINGS LTD	3.04%	58.35K	310.41K	0	0
Sep 30, 2025	ADAR1 CAPITAL MANAGEMENT, LLC	0%	0	-	-10.82K	-100.00%
Sep 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	0	-	-2.36K	-100.00%
Sep 30, 2025	SBI SECURITIES CO., LTD.	0%	10	53	0	0
Sep 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	259	1.38K	-136	-34.43%
Jun 30, 2025	SAMSARA BIOCAPITAL, LLC	0%	0	-	-1.05M	-100.00%
Jun 30, 2025	NEWEDGE ADVISORS, LLC	0%	483	2.79K	483	+100.00%
Jun 30, 2025	BANK OF AMERICA CORP /DE/	0%	0	-	-5.63K	-100.00%
Jun 30, 2025	SQUAREPOINT OPS LLC	0%	0	-	-83.89K	-100.00%
Jun 30, 2025	VIVO CAPITAL, LLC	0%	0	-	-3.52M	-100.00%
Jun 30, 2025	BLACKROCK, INC.	0.03%	10.55K	60.87K	10.55K	+100.00%
Jun 30, 2025	STONEX GROUP INC.	0%	0	-	-15.53K	-100.00%
Jun 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0%	0	-	-314.14K	-100.00%
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0%	0	-	-375.11K	-100.00%
Jun 30, 2025	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	0%	0	-	-719.55K	-100.00%
Jun 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	0	-	-8.69K	-100.00%
Jun 30, 2025	NAN FUNG GROUP HOLDINGS LTD	0%	0	-	-1.17M	-100.00%
Jun 30, 2025	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	0%	0	-	-1.89M	-100.00%
Jun 30, 2025	SOFINNOVA INVESTMENTS, INC.	0%	0	-	-2.75M	-100.00%
Jun 30, 2025	TANG CAPITAL MANAGEMENT LLC	0%	0	-	-3.81M	-100.00%
Jun 30, 2025		0%	0	-	-200	-100.00%
Jun 30, 2025	MARINER, LLC	0%	0	-	-40K	-100.00%
Jun 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0%	0	-	-21.73K	-100.00%
Jun 30, 2025	SBI SECURITIES CO., LTD.	0%	0	-	-200	-100.00%
Jun 30, 2025	UBS GROUP AG	0%	0	-	-111.51K	-100.00%
Jun 30, 2025	XTX TOPCO LTD	0%	0	-	-15.39K	-100.00%
Jun 30, 2025	ADAR1 CAPITAL MANAGEMENT, LLC	0%	0	-	-244.97K	-100.00%
Jun 30, 2025	NORTHERN TRUST CORP	0%	0	-	-40.9K	-100.00%
Jun 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0.01%	2.36K	1.27K	2.36K	+100.00%
Jun 30, 2025	JPMORGAN CHASE & CO	0%	0	-	-906	-100.00%
Jun 30, 2025	PFIZER INC	0%	0	-	-626.11K	-100.00%
Jun 30, 2025	STATE STREET CORP	0%	0	-	-47.44K	-100.00%
Jun 30, 2025	VANGUARD GROUP INC	0%	0	-	-1.17M	-100.00%
Jun 30, 2025	FMR LLC	0%	0	-	-8.1K	-100.00%
Jun 30, 2025	SALEM INVESTMENT COUNSELORS INC	0%	0	-	-40	-100.00%
Jun 30, 2025	MORGAN STANLEY	0%	0	-	-11.62K	-100.00%
Mar 31, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0%	0	-	-60.2K	-100.00%
Mar 31, 2025	TANG CAPITAL MANAGEMENT LLC	0.5%	3.81M	1.53M	0	0
Mar 31, 2025	VIRTU FINANCIAL LLC	0%	0	-	-29.55K	-100.00%
Mar 31, 2025	ENGINEERS GATE MANAGER LP	0%	0	-	-72.4K	-100.00%
Mar 31, 2025	VANGUARD GROUP INC	3.05%	1.17M	467.88K	102.3K	+9.58%
Mar 31, 2025	FMR LLC	0%	8.1K	3.24K	-121.15K	-93.73%
Mar 31, 2025	MORGAN STANLEY	0%	11.62K	4.65K	-1	-0.01%
Mar 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	0	-	-1	-100.00%
Mar 31, 2025	MILLENNIUM MANAGEMENT LLC	0%	0	-	-47.03K	-100.00%
Mar 31, 2025	ADAR1 CAPITAL MANAGEMENT, LLC	0.03%	244.97K	97.99K	0	0
Mar 31, 2025	SQUAREPOINT OPS LLC	0.01%	83.89K	33.56K	34.92K	+71.31%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0%	0	-	-50.02K	-100.00%
Mar 31, 2025	MARINER, LLC	0.01%	40K	16K	5K	+14.29%
Mar 31, 2025	PFIZER INC	0.08%	626.11K	250.44K	0	0
Mar 31, 2025	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	0.09%	719.55K	287.82K	0	0
Mar 31, 2025	SAMSARA BIOCAPITAL, LLC	0.14%	1.05M	419.66K	0	0
Mar 31, 2025	NAN FUNG GROUP HOLDINGS LTD	0.15%	1.17M	466.78K	0	0
Mar 31, 2025	NORTHERN TRUST CORP	0.11%	40.9K	16.36K	0	0
Mar 31, 2025	STATE STREET CORP	0.12%	47.44K	18.98K	0	0
Mar 31, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	0	-	-2.36K	-100.00%
Mar 31, 2025	VELAN CAPITAL INVESTMENT MANAGEMENT LP	0%	0	-	-50K	-100.00%
Mar 31, 2025	JANE STREET GROUP, LLC	0%	0	-	-41.87K	-100.00%
Mar 31, 2025	UBS GROUP AG	0.29%	111.51K	44.6K	45.4K	+68.66%
Mar 31, 2025	ASSENAGON ASSET MANAGEMENT S.A.	0%	0	-	-20.79K	-100.00%
Mar 31, 2025	XTX TOPCO LTD	0%	15.39K	6.16K	-29.5K	-65.71%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.98%	375.11K	150.08K	34.44K	+10.11%
Mar 31, 2025	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	0.25%	1.89M	756.59K	0	0
Mar 31, 2025	STONEX GROUP INC.	0%	15.53K	6.21K	15.53K	+100.00%
Mar 31, 2025	BLACKROCK, INC.	0.04%	268.64K	107.46K	-1.45K	-0.54%
Mar 31, 2025	SOFINNOVA INVESTMENTS, INC.	0.36%	2.75M	1.1M	0	0
Mar 31, 2025	VIVO CAPITAL, LLC	0.46%	3.52M	1.41M	0	0
Mar 31, 2025	SALEM INVESTMENT COUNSELORS INC	0%	40	16	0	0
Mar 31, 2025		0%	200	80	0	0
Mar 31, 2025	JPMORGAN CHASE & CO	0%	906	362	-5	-0.55%
Mar 31, 2025	CITADEL ADVISORS LLC	0%	0	-	-78.96K	-100.00%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0.01%	5.63K	2.25K	3	+0.05%
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.82%	314.14K	125.66K	12.1K	+4.01%
Mar 31, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	8.69K	3.48K	4.68K	+116.77%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.06%	21.73K	8.69K	21.73K	+100.00%
Mar 31, 2024	JPMORGAN CHASE & CO	0%	840	1.18K	0	0
Mar 31, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0%	2	3	0	0
Mar 31, 2024	SALEM INVESTMENT COUNSELORS INC	0%	40	56	0	0
Mar 31, 2024	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	5.55K	7.76K	-2.69K	-32.66%
Mar 31, 2024	VIRTU FINANCIAL LLC	0.03%	10.94K	15K	10.94K	+100.00%
Mar 31, 2024	UBS GROUP AG	0.03%	12.17K	17.04K	4.52K	+59.08%
Mar 31, 2024	XTX TOPCO LTD	0.03%	12.83K	17.96K	-6.33K	-33.03%
Mar 31, 2024	ADVISOR GROUP HOLDINGS, INC.	0.04%	15K	21K	11.02K	+277.07%
Mar 31, 2024	TWO SIGMA SECURITIES, LLC	0.06%	23.81K	33.34K	-40.42K	-62.93%
Mar 31, 2024	MORGAN STANLEY	0.07%	24.69K	34.56K	-54.71K	-68.91%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	0.12%	45.96K	64.34K	-1.05K	-2.24%
Mar 31, 2024	STATE STREET CORP	0.13%	47.44K	66.41K	0	0
Mar 31, 2024	SQUAREPOINT OPS LLC	0.21%	78.02K	109.23K	-1.75K	-2.20%
Mar 31, 2024	FMR LLC	0.21%	78.9K	110.46K	-294	-0.37%
Mar 31, 2024	MARQUETTE ASSET MANAGEMENT, LLC	0.26%	96.67K	135.34K	0	0
Mar 31, 2024	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.29%	111.2K	155.68K	0	0
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	0.92%	347.57K	486.69K	-2.6K	-0.74%
Mar 31, 2024	ADAGE CAPITAL PARTNERS GP, L.L.C.	1.32%	500K	700K	0	0
Mar 31, 2024	RENAISSANCE TECHNOLOGIES LLC	1.37%	517.64K	725K	72.36K	+16.25%
Mar 31, 2024	ACUITAS INVESTMENTS, LLC	1.37%	517.95K	725.13K	58.5K	+12.73%
Mar 31, 2024	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	1.9%	719.55K	1.01M	0	0
Mar 31, 2024	SAMSARA BIOCAPITAL, LLC	2.77%	1.05M	1.47M	0	0
Mar 31, 2024	ORBIMED ADVISORS LLC	4.08%	1.54M	2.16M	0	0
Mar 31, 2024	NEWTYN MANAGEMENT, LLC	4.5%	1.7M	2.38M	146.47K	+9.43%
Mar 31, 2024	CITADEL ADVISORS LLC	6.39%	2.42M	3.38M	-43.23K	-1.76%
Mar 31, 2024	PRUDENTIAL FINANCIAL INC	0.09%	35.2K	49.28K	23K	+188.52%
Mar 31, 2024	NORTHERN TRUST CORP	0.11%	41.01K	57.41K	0	0
Mar 31, 2024	SOFINNOVA INVESTMENTS, INC.	7.28%	2.75M	3.86M	0	0
Mar 31, 2024	TANG CAPITAL MANAGEMENT LLC	9.04%	3.42M	4.79M	-232.24K	-6.36%
Mar 31, 2024	PRIVIUM FUND MANAGEMENT (UK) LTD	0%	0	-	-116.52K	-100.00%
Mar 31, 2024	JANE STREET GROUP, LLC	0%	0	-	-56.26K	-100.00%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0%	211	295	4	+1.93%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	0%	628	879	0	0
Mar 31, 2024	ADAR1 CAPITAL MANAGEMENT, LLC	0.01%	5K	7K	5K	+100.00%
Mar 31, 2024	BLACKROCK INC.	0.67%	254.96K	356.94K	-2.31K	-0.90%
Mar 31, 2024	VANGUARD GROUP INC	2.74%	1.04M	1.45M	106.47K	+11.43%
Mar 31, 2024	NAN FUNG GROUP HOLDINGS LTD	3.09%	1.17M	1.63M	0	0
Mar 31, 2024	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	5%	1.89M	2.65M	0	0
Mar 31, 2024	VIVO CAPITAL, LLC	9.31%	3.52M	4.93M	0	0
Mar 31, 2024	CITIGROUP INC	0%	0	-	-2.31K	-100.00%
Dec 31, 2023	TOWER RESEARCH CAPITAL LLC (TRC)	0.02%	8.24K	9.22K	8.24K	+100.00%
Dec 31, 2023	FEDERATED HERMES, INC.	0%	0	-	-1.16K	-100.00%
Dec 31, 2023	QUBE RESEARCH & TECHNOLOGIES LTD	0%	2	2	0	0
Dec 31, 2023	SALEM INVESTMENT COUNSELORS INC	0%	40	45	0	0
Dec 31, 2023	WELLS FARGO & COMPANY/MN	0%	207	232	10	+5.08%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0%	628	703	0	0
Dec 31, 2023	JPMORGAN CHASE & CO	0%	840	941	-75.45K	-98.90%
Dec 31, 2023	CITIGROUP INC	0.01%	2.31K	2.58K	2.31K	+100.00%
Dec 31, 2023	ADVISOR GROUP HOLDINGS, INC.	0.01%	3.98K	4.46K	3.98K	+100.00%
Dec 31, 2023	CITADEL ADVISORS LLC	6.49%	2.46M	2.75M	-394.68K	-13.83%
Dec 31, 2023	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	4.99%	1.89M	2.12M	0	0
Dec 31, 2023	NEWTYN MANAGEMENT, LLC	4.1%	1.55M	1.74M	533.54K	+52.31%
Dec 31, 2023	ORBIMED ADVISORS LLC	4.07%	1.54M	1.73M	0	0
Dec 31, 2023	NAN FUNG GROUP HOLDINGS LTD	3.08%	1.17M	1.31M	0	0
Dec 31, 2023	SAMSARA BIOCAPITAL, LLC	2.77%	1.05M	1.18M	0	0
Dec 31, 2023	UBS GROUP AG	0.02%	7.65K	8.57K	7.57K	+8,796.51%
Dec 31, 2023	VANGUARD GROUP INC	2.46%	931.13K	1.04M	6.86K	+0.74%
Dec 31, 2023	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	1.9%	719.55K	805.89K	-37.55K	-4.96%
Dec 31, 2023	ADAGE CAPITAL PARTNERS GP, L.L.C.	1.32%	500K	560K	0	0
Dec 31, 2023	TANG CAPITAL MANAGEMENT LLC	9.64%	3.65M	4.09M	95.2K	+2.68%
Dec 31, 2023	ACUITAS INVESTMENTS, LLC	1.21%	459.46K	514.59K	-924	-0.20%
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	1.18%	445.27K	499K	131.08K	+41.72%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	0.92%	350.16K	392.26K	-10.58K	-2.93%
Dec 31, 2023	BLACKROCK INC.	0.68%	257.27K	288.14K	-752	-0.29%
Dec 31, 2023	VIVO CAPITAL, LLC	9.3%	3.52M	3.94M	-350K	-9.04%
Dec 31, 2023	PRIVIUM FUND MANAGEMENT (UK) LTD	0.31%	116.52K	130.5K	0	0
Dec 31, 2023	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.29%	111.2K	124.54K	0	0
Dec 31, 2023	MARQUETTE ASSET MANAGEMENT, LLC	0.26%	96.67K	108.27K	-1.16K	-1.19%
Dec 31, 2023	SQUAREPOINT OPS LLC	0.21%	79.77K	89.35K	-265	-0.33%
Dec 31, 2023	MORGAN STANLEY	0.21%	79.39K	88.92K	-80.37K	-50.31%
Dec 31, 2023	FMR LLC	0.21%	79.19K	88.7K	-3	0.00%
Dec 31, 2023	TWO SIGMA SECURITIES, LLC	0.17%	64.23K	71.94K	64.23K	+100.00%
Dec 31, 2023	JANE STREET GROUP, LLC	0.15%	56.26K	63.02K	56.26K	+100.00%
Dec 31, 2023	SOFINNOVA INVESTMENTS, INC.	7.27%	2.75M	3.08M	0	0
Dec 31, 2023	STATE STREET CORP	0.13%	47.44K	53.13K	-1.3K	-2.67%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	0.12%	47.01K	52.65K	2.02K	+4.50%
Dec 31, 2023	NORTHERN TRUST CORP	0.11%	41.01K	45.93K	9.82K	+31.50%
Dec 31, 2023	XTX TOPCO LTD	0.05%	19.15K	21.45K	19.15K	+100.00%
Dec 31, 2023	PRUDENTIAL FINANCIAL INC	0.03%	12.2K	13.66K	12.2K	+100.00%

Insiders

Insiders	Designation	Shares Held
NOVO HOLDINGS A/S		3.7M
HEALY JAMES	director	2.75M
SOFINNOVA VENTURE PARTNERS X, L.P.	10 percent owner	2.75M
SHAH MAHENDRA	director	1.45M
ENGLEMAN EDGAR	director	251.52K
VIVO CAPITAL VIII, LLC	10 percent owner	111.66K
QUINN WILLIAM P.	President, CEO and CFO	2.31K
SCHATZMAN RANDALL C	Chief Executive Officer	1.5K
NEMEC SARAH	Senior VP, Finance and PAO	1.42K
PEREZ EDITH A.	Chief Medical Officer	1.33K
LAPORTE KATHLEEN	director	1.2K
KHANNA ASHISH SIRI RAM	director	1K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Dec 05, 2025	NEMEC SARAH	PURCHASE	4.61	125	575.88	1.42K
Dec 05, 2025	QUINN WILLIAM P.	PURCHASE	4.61	125	575.88	2.31K
Jun 06, 2025	QUINN WILLIAM P.	PURCHASE	5.49	125	686.5	2.19K
Jun 06, 2025	NEMEC SARAH	PURCHASE	5.49	125	686.5	943
Dec 16, 2024	NEMEC SARAH	PURCHASE	0.50	2.5K	1.24K	16.63K
Dec 16, 2024	QUINN WILLIAM P.	PURCHASE	0.50	2.5K	1.24K	41.27K
Jun 06, 2024	QUINN WILLIAM P.	PURCHASE	0.64	2.5K	1.59K	38.77K
Jun 06, 2024	NEMEC SARAH	PURCHASE	0.64	2.5K	1.59K	13.86K
Dec 12, 2023	QUINN WILLIAM P.	PURCHASE	0.95	7.5K	7.13K	36.27K
Dec 06, 2023	QUINN WILLIAM P.	PURCHASE	0.78	2.5K	1.96K	28.77K
Nov 30, 2023	ENGLEMAN EDGAR	SALE	0.86	14.93K	12.81K	251.52K
Nov 29, 2023	ENGLEMAN EDGAR	SALE	0.91	3.13K	2.84K	266.46K
Nov 21, 2023	VIVO CAPITAL VIII, LLC	SALE	0.90	1.46K	1.31K	111.66K
Nov 21, 2023	ENGLEMAN EDGAR	SALE	0.90	236	212.73	269.59K
Nov 20, 2023	VIVO CAPITAL VIII, LLC	SALE	0.92	23.44K	21.57K	113.12K
Nov 20, 2023	ENGLEMAN EDGAR	SALE	0.92	3.79K	3.49K	269.82K
Nov 17, 2023	ENGLEMAN EDGAR	SALE	0.93	1.13K	1.05K	273.62K
Nov 17, 2023	VIVO CAPITAL VIII, LLC	SALE	0.93	7.01K	6.52K	136.56K
Nov 16, 2023	ENGLEMAN EDGAR	SALE	0.96	1.04K	998.4	274.75K
Nov 16, 2023	VIVO CAPITAL VIII, LLC	SALE	0.96	6.43K	6.17K	143.57K
Jun 06, 2023	QUINN WILLIAM P.	PURCHASE	1.18	1.83K	2.16K	26.27K
Jul 13, 2022	NOVO HOLDINGS A/S	SALE	2.00	800K	1.6M	3.7M
Dec 08, 2021	QUINN WILLIAM P.	PURCHASE	4.71	5K	23.58K	20.15K
Dec 06, 2021	PEREZ EDITH A.	PURCHASE	4.64	411	1.91K	1.33K
Dec 06, 2021	QUINN WILLIAM P.	PURCHASE	4.64	35	162.4	15.15K
Jun 04, 2021	QUINN WILLIAM P.	PURCHASE	16.65	1.22K	20.33K	15.12K
Jun 04, 2021	PEREZ EDITH A.	PURCHASE	16.65	917	15.27K	917
Feb 09, 2021	SHAH MAHENDRA	SALE	20.00	62	1.24K	1.45M
Feb 09, 2021	HEALY JAMES	PURCHASE	20.00	450K	9M	2.75M
Feb 09, 2021	KHANNA ASHISH SIRI RAM	PURCHASE	20.00	1K	20K	1K
Feb 09, 2021	SCHATZMAN RANDALL C	PURCHASE	20.00	1.5K	30K	1.5K
Feb 09, 2021	QUINN WILLIAM P.	PURCHASE	20.00	1.2K	24K	13.9K
Feb 09, 2021	NOVO HOLDINGS A/S	PURCHASE	20.00	400K	8M	4.5M
Feb 09, 2021	VIVO CAPITAL VIII, LLC	PURCHASE	20.00	150K	3M	150K
Feb 09, 2021	LAPORTE KATHLEEN	PURCHASE	20.00	1.2K	24K	1.2K
Feb 09, 2021	ENGLEMAN EDGAR	SALE	20.00	20	400	251.52K
Feb 09, 2021	SOFINNOVA VENTURE PARTNERS X, L.P.	PURCHASE	20.00	450K	9M	2.75M

BOLT Stock Ownership Breakdown