How many institutions own VIGL 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 VIGL shares is 73, representing 69.99% of the company's common stock.

Who are the major shareholders selling Vigil Neuroscience, Inc. stock?

683 CAPITAL MANAGEMENT, LLC, in the last quarter, reduced its stake in VIGL by -27.48% restricting it's holding to 1.26 million shares of worth nearly $10.03M. SIREN, L.L.C. also lessened -79.1% of the VIGL shares from its portfolio, reducing its holding to 411.19 thousand shares of worth $3.27M. BLACKROCK, INC. also shunned VIGL shares holding by -0.91% last quarter which brought its holding to 415.32 thousand shares worth $3.30M.

Investors who are buying VIGL stock?

As per its latest 13F filing, AMERICAN CENTURY COMPANIES INC increased its stake in VIGL by 12.94% in the last quarter. The institutional holder raised its holding to 22.88 thousand shares having worth more than $181.89K. POINT72 ASIA (SINGAPORE) PTE. LTD. also added 534.22% more shares of VIGL to its portfolio, raising its holding to 24.13 thousand shares of worth $191.85K. GTS SECURITIES LLC also increased its VIGL shares holding by 100% which brought its holding to 25 thousand shares worth $198.75K.

VIGL's major insiders: who are they?

The insider with the most stakes in VIGL is Atlas Venture Fund XII, L.P. , 10 percent owner at the company. Additionally, VIGL stock is highly held by director Booth Bruce and Thorp Clay among others.

Did an insider recently sell VIGL stock?

Company executives, directors, and other insiders own 18.16% percent of Vigil Neuroscience, Inc.'s stock. Within the last six months, there have been 0 transaction(s) in which VIGL insiders have sold stock, totaling 0 shares. Insiders that have sold shares include PAPAPETROPOULOS SPYROS.

Which insider recently purchased VIGL stock?

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

How much of VIGL does insiders own?

Around 0 Vigil Neuroscience, Inc. shares are held by insiders, which represents about 18.16% of VIGL stock.

Who is the insider with the largest stake?

VIGL 10 percent owner, Atlas Venture Fund XII, L.P. holds the largest portfolio of the company's shares. VIGL shares owned by Atlas total nearly 4.81 million.

Which institution holds the most shares in VIGL?

AMERICAN CENTURY COMPANIES INC is the largest institutional owner in VIGL which holds 22.88 thousand shares worth $181.89K or 0.05% of the total VIGL shares outstanding followed by POINT72 ASIA (SINGAPORE) PTE. LTD. with ownership of 24.13 thousand shares representing 0.05% of the VIGL ownership. GTS SECURITIES LLC is the third largest stakeholder with 25 thousand shares or 0.05% of the ownership worth more than $198.75K.

Is Vigil Neuroscience, 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 VIGL is concerned, it is a stock which is not optionable.

Is there a short position on VIGL's shares?

Number of VIGL shares short is 447.39K. 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 VIGL shares are there?

As of today, 46.67M shares of VIGL are outstanding.

Is there many float in VIGL 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, VIGL has 26.53M shares in float.

VIGL 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 VIGL is 0.56.

Vigil Neuroscience (VIGL) 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.

ShortableNo

OptionableNo

Short Percent Of Outstanding Shares0.96

Short Percent Of Float1.26

Shares Outstanding46.67M

Shares Float26.53M

Shares Short447.39K

Short Ratio0.56

1.26%

Short % of Float

0.96%

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

18.16% Percentage of Shares held by All Insiders

69.99% Percentage of Shares held by All Institutions

85.52% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 69.99% of VIGL shares are held by financial institutions. AMERICAN CENTURY COMPANIES INC is the top corporate investor, holding 22.88K shares valued at $181.89K. A 0.05% stake in Vigil Neuroscience, Inc. is owned by the company. POINT72 ASIA (SINGAPORE) PTE. LTD. owns 24.13K shares valued at $191.85K, which translates its holding of 0.05% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Jun 30, 2025	AMERICAN CENTURY COMPANIES INC	0.05%	22.88K	181.89K	2.62K	+12.94%
Jun 30, 2025	POINT72 ASIA (SINGAPORE) PTE. LTD.	0.05%	24.13K	191.85K	20.33K	+534.22%
Jun 30, 2025	GTS SECURITIES LLC	0.05%	25K	198.75K	25K	+100.00%
Jun 30, 2025	WATER ISLAND CAPITAL LLC	0.44%	207.67K	1.65M	207.67K	+100.00%
Jun 30, 2025	BLACK MAPLE CAPITAL MANAGEMENT LP	0.45%	215.99K	1.72M	215.99K	+100.00%
Jun 30, 2025	CARMIGNAC GESTION	0.51%	241.76K	1.92M	241.76K	+100.00%
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.64%	304.07K	2.42M	59.54K	+24.35%
Jun 30, 2025	IRENIC CAPITAL MANAGEMENT LP	0.78%	371.32K	2.95M	371.32K	+100.00%
Jun 30, 2025	JPMORGAN CHASE & CO	0.83%	396.93K	3.16M	396.54K	+103,807.33%
Jun 30, 2025	VANGUARD GROUP INC	2.65%	1.26M	10.02M	212.12K	+20.22%
Jun 30, 2025	PENDERFUND CAPITAL MANAGEMENT LTD.	0.12%	55K	437.25K	55K	+100.00%
Jun 30, 2025	JBF CAPITAL, INC.	0.15%	70K	556.5K	70K	+100.00%
Jun 30, 2025	HIGHBRIDGE CAPITAL MANAGEMENT LLC	1.82%	865.04K	6.88M	865.04K	+100.00%
Jun 30, 2025	683 CAPITAL MANAGEMENT, LLC	2.65%	1.26M	10.03M	-478.23K	-27.48%
Jun 30, 2025	ODDO BHF ASSET MANAGEMENT SAS	4.83%	2.3M	18.29M	2.3M	+100.00%
Jun 30, 2025	GLAZER CAPITAL, LLC	6.33%	3.01M	23.95M	3.01M	+100.00%
Jun 30, 2025	BERYL CAPITAL MANAGEMENT LLC	9.67%	4.61M	36.62M	4.61M	+100.00%
Jun 30, 2025	ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC	12.26%	5.84M	46.4M	0	0
Jun 30, 2025	QUADRATURE CAPITAL LTD	0.13%	62.27K	495.37K	62.27K	+100.00%
Jun 30, 2025	ABC ARBITRAGE SA	0.38%	183.18K	1.46M	183.18K	+100.00%
Jun 30, 2025	MILLENNIUM MANAGEMENT LLC	0.59%	279.25K	2.22M	265.68K	+1,957.11%
Jun 30, 2025	SQUAREPOINT OPS LLC	0.6%	286.98K	2.28M	176.03K	+158.65%
Jun 30, 2025	UBS GROUP AG	0.64%	302.47K	2.4M	302.3K	+182,109.64%
Jun 30, 2025	ARROWMARK COLORADO HOLDINGS LLC	0.61%	289.46K	2.3M	0	0
Jun 30, 2025	CREDIT INDUSTRIEL ET COMMERCIAL	0.17%	80K	636K	80K	+100.00%
Jun 30, 2025	STATE STREET CORP	0.23%	109.4K	869.72K	40.26K	+58.23%
Jun 30, 2025	NEW YORK LIFE INVESTMENT MANAGEMENT LLC	0.11%	53.07K	421.9K	53.07K	+100.00%
Jun 30, 2025	CSS LLC/IL	0.12%	56.2K	446.79K	56.2K	+100.00%
Jun 30, 2025	MINT TOWER CAPITAL MANAGEMENT B.V.	0.13%	60.38K	480K	60.38K	+100.00%
Jun 30, 2025	PRELUDE CAPITAL MANAGEMENT, LLC	0.25%	118.57K	942.62K	118.57K	+100.00%
Jun 30, 2025	GROUPE LA FRANCAISE	0.25%	120K	954K	120K	+100.00%
Jun 30, 2025	EXODUSPOINT CAPITAL MANAGEMENT, LP	0.29%	137.83K	1.1M	137.83K	+100.00%
Jun 30, 2025	SIREN, L.L.C.	0.86%	411.19K	3.27M	-1.56M	-79.10%
Jun 30, 2025	CHICAGO CAPITAL MANAGEMENT, LLC	1.01%	482.77K	3.84M	482.77K	+100.00%
Jun 30, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	1.13%	536.26K	4.26M	504.69K	+1,598.63%
Jun 30, 2025	FIL LTD	1.17%	558.76K	4.44M	558.76K	+100.00%
Jun 30, 2025	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	1.18%	560.6K	4.46M	0	0
Jun 30, 2025	WOODLINE PARTNERS LP	1.37%	653.62K	5.2M	400.82K	+158.55%
Jun 30, 2025	OPALEYE MANAGEMENT INC.	2.1%	1M	7.95M	1M	+100.00%
Jun 30, 2025	ALPINE ASSOCIATES MANAGEMENT INC.	2.3%	1.09M	8.7M	1.09M	+100.00%
Jun 30, 2025	NORTHERN TRUST CORP	0.15%	71.59K	569.13K	10.47K	+17.13%
Jun 30, 2025	RENAISSANCE TECHNOLOGIES LLC	1.13%	535.8K	4.26M	316.4K	+144.21%
Jun 30, 2025	VIRTU FINANCIAL LLC	0.12%	58.33K	464K	58.33K	+100.00%
Jun 30, 2025	RANGELEY CAPITAL, LLC	0.14%	67.8K	539.01K	67.8K	+100.00%
Jun 30, 2025	GAMCO INVESTORS, INC. ET AL	0.16%	75K	596.25K	75K	+100.00%
Jun 30, 2025	TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK	0.41%	192.97K	1.53M	0	0
Jun 30, 2025	BLACKROCK, INC.	0.87%	415.32K	3.3M	-3.83K	-0.91%
Jun 30, 2025	QUINN OPPORTUNITY PARTNERS LLC	0.95%	450K	3.58M	450K	+100.00%
Jun 30, 2025	GABELLI & CO INVESTMENT ADVISERS, INC.	1.82%	864.95K	6.88M	864.95K	+100.00%
Jun 30, 2025	GABELLI FUNDS LLC	2.5%	1.19M	9.46M	1.19M	+100.00%
Jun 30, 2025	OMERS ADMINISTRATION CORP	0.27%	128.5K	1.02M	128.5K	+100.00%
Jun 30, 2025	MARSHALL WACE, LLP	0.05%	25.9K	205.91K	-451.03K	-94.57%
Jun 30, 2025	DELTEC ASSET MANAGEMENT LLC	0.06%	30K	238.5K	30K	+100.00%
Jun 30, 2025	FNY INVESTMENT ADVISERS, LLC	0.06%	30.24K	240K	30.24K	+100.00%
Jun 30, 2025	SHAY CAPITAL LLC	0.43%	203.89K	1.62M	203.89K	+100.00%
Jun 30, 2025	IKARIAN CAPITAL, LLC	0.07%	31.36K	249.31K	-218.64K	-87.46%
Jun 30, 2025		0.14%	67.8K	539.01K	67.8K	+100.00%
Jun 30, 2025	SKANDINAVISKA ENSKILDA BANKEN AB (PUBL)	0.58%	276K	2.19M	276K	+100.00%
Jun 30, 2025	CREATIVEONE WEALTH, LLC	0.03%	13.5K	107.33K	0	0
Jun 30, 2025	PRIVATE ADVISOR GROUP, LLC	0.03%	16K	127.2K	16K	+100.00%
Mar 31, 2025	CREATIVEONE WEALTH, LLC	0.03%	13.5K	24.03K	13.5K	+100.00%
Mar 31, 2025	BOOTHBAY FUND MANAGEMENT, LLC	0.16%	73.38K	130.61K	-73.38K	-50.00%
Mar 31, 2025	BVF INC/IL	8.71%	4.01M	7.14M	2.2M	+121.30%
Mar 31, 2025	SPHERA FUNDS MANAGEMENT LTD.	3.48%	1.6M	2.86M	102K	+6.79%
Mar 31, 2025	JANE STREET GROUP, LLC	0.04%	16.59K	29.53K	-32.23K	-66.02%
Mar 31, 2025	BARCLAYS PLC	0.03%	12.69K	23K	-51.36K	-80.19%
Mar 31, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	501	891	501	+100.00%
Mar 31, 2025	683 CAPITAL MANAGEMENT, LLC	3.78%	1.74M	3.1M	340K	+24.29%
Mar 31, 2025	ABRDN PLC	3.74%	1.72M	3.07M	1.2M	+226.32%
Mar 31, 2025	AMERICAN CENTURY COMPANIES INC	0.04%	20.26K	36.06K	288	+1.44%
Mar 31, 2025	POINT72 (DIFC) LTD	0%	7	12	0	0
Mar 31, 2025		0%	5	9	5	+100.00%
Mar 31, 2025	FEDERATED HERMES, INC.	0%	0	-	-313	-100.00%
Mar 31, 2025	SIREN, L.L.C.	4.27%	1.97M	3.5M	-23.97K	-1.20%
Mar 31, 2025	ENSIGN PEAK ADVISORS, INC	3.43%	1.58M	2.81M	875K	+124.45%
Mar 31, 2025	VANGUARD GROUP INC	2.28%	1.05M	1.87M	73.35K	+7.52%
Mar 31, 2025	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	1.22%	560.6K	997.86K	0	0
Mar 31, 2025	BLACKROCK, INC.	0.91%	419.15K	746.08K	-1.56K	-0.37%
Mar 31, 2025	ARROWMARK COLORADO HOLDINGS LLC	0.63%	289.46K	515.24K	0	0
Mar 31, 2025	WOODLINE PARTNERS LP	0.55%	252.8K	449.98K	-235.96K	-48.28%
Mar 31, 2025	IKARIAN CAPITAL, LLC	0.54%	250K	445K	-250K	-50.00%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.53%	244.53K	435.34K	16.01K	+7.01%
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.48%	219.4K	390.53K	-147.9K	-40.27%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.46%	212.64K	378.5K	-24	-0.01%
Mar 31, 2025	TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK	0.42%	192.97K	343.49K	0	0
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0.12%	55.57K	98.91K	-201.08K	-78.35%
Mar 31, 2025	SG AMERICAS SECURITIES, LLC	0.05%	21.42K	38K	21.42K	+100.00%
Mar 31, 2025	TWO SIGMA ADVISERS, LP	0.04%	17.9K	31.86K	-51.2K	-74.10%
Mar 31, 2025	CUBIST SYSTEMATIC STRATEGIES, LLC	0.03%	15.16K	26.99K	-8.96K	-37.14%
Mar 31, 2025	MILLENNIUM MANAGEMENT LLC	0.03%	13.58K	24.16K	-330.24K	-96.05%
Mar 31, 2025	DIMENSIONAL FUND ADVISORS LP	0.02%	10.7K	19.05K	10.7K	+100.00%
Mar 31, 2025	POINT72 ASIA (SINGAPORE) PTE. LTD.	0.01%	3.81K	6.77K	-7.03K	-64.89%
Mar 31, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	3.04K	5.42K	-5.89K	-65.93%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0%	1.11K	1.97K	9	+0.82%
Mar 31, 2025	JPMORGAN CHASE & CO	0%	382	680	0	0
Mar 31, 2025	BLAIR WILLIAM & CO/IL	2.24%	1.03M	1.84M	709.68K	+219.10%
Mar 31, 2025	MARSHALL WACE, LLP	1.04%	476.93K	848.94K	210.04K	+78.70%
Mar 31, 2025	SQUAREPOINT OPS LLC	0.24%	110.95K	197.49K	-2.65K	-2.33%
Mar 31, 2025	STATE STREET CORP	0.15%	69.14K	123.07K	0	0
Mar 31, 2025	NORTHERN TRUST CORP	0.13%	61.12K	108.79K	-3.62K	-5.59%
Mar 31, 2025	COLDSTREAM CAPITAL MANAGEMENT INC	0%	187	333	187	+100.00%
Mar 31, 2025	UBS GROUP AG	0%	166	295	165	+16,500.00%
Mar 31, 2025	MORGAN STANLEY	0.22%	100.17K	178.29K	100.15K	+910,490.91%
Mar 31, 2025	LPL FINANCIAL LLC	0.18%	80.96K	144.11K	80.96K	+100.00%
Mar 31, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.17%	79.86K	142.16K	-20.2K	-20.19%
Mar 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	150	267	-78	-34.21%
Mar 31, 2025	GSA CAPITAL PARTNERS LLP	0.09%	41.13K	73K	41.13K	+100.00%
Mar 31, 2025	ACADIAN ASSET MANAGEMENT LLC	0.08%	35.56K	62K	-2.35K	-6.20%
Mar 31, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.07%	31.57K	56.2K	-76.91K	-70.90%
Mar 31, 2025	CITIGROUP INC	0%	0	-	-18.13K	-100.00%
Mar 31, 2024	STRS OHIO	0.02%	7.7K	26K	-500	-6.10%
Mar 31, 2024	SPHERA FUNDS MANAGEMENT LTD.	4.47%	1.73M	5.9M	1.2M	+223.37%
Mar 31, 2024	BVF INC/IL	4.68%	1.81M	6.18M	0	0
Mar 31, 2024	CITADEL ADVISORS LLC	5.59%	2.17M	7.39M	3.91K	+0.18%
Mar 31, 2024	ANSON FUNDS MANAGEMENT LP	0%	0	-	-207.02K	-100.00%
Mar 31, 2024	NELSON, VAN DENBURG & CAMPBELL WEALTH MANAGEMENT GROUP, LLC	0%	2	6	2	+100.00%
Mar 31, 2024	FEDERATED HERMES, INC.	0%	317	1.08K	317	+100.00%
Mar 31, 2024	CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD.	0.05%	19.18K	65.4K	19.18K	+100.00%
Mar 31, 2024	PRELUDE CAPITAL MANAGEMENT, LLC	0.05%	20.38K	69.49K	20.38K	+100.00%
Mar 31, 2024	MORGAN STANLEY	0.06%	23.36K	79.67K	-31.55K	-57.46%
Mar 31, 2024	DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)	2.53%	980.31K	3.34M	-193.21K	-16.46%
Mar 31, 2024	UBS GROUP AG	0.04%	16.15K	55.08K	16.15K	+100.00%
Mar 31, 2024	ROCK SPRINGS CAPITAL MANAGEMENT LP	1.22%	471.96K	1.61M	0	0
Mar 31, 2024	ORBIMED ADVISORS LLC	1.16%	448.89K	1.53M	0	0
Mar 31, 2024	ARROWMARK COLORADO HOLDINGS LLC	0.75%	289.46K	987.06K	0	0
Mar 31, 2024	STATE STREET CORP	0.74%	286.06K	975.48K	2.77K	+0.98%
Mar 31, 2024	BARCLAYS PLC	0.29%	113.04K	386K	-10.76K	-8.69%
Mar 31, 2024	DAFNA CAPITAL MANAGEMENT LLC	0.19%	71.82K	244.89K	0	0
Mar 31, 2024	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.15%	57.96K	197.66K	-75K	-56.41%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.12%	45.75K	156.01K	-2.74K	-5.65%
Mar 31, 2024	TWO SIGMA INVESTMENTS, LP	0.12%	45K	153.44K	29.27K	+186.10%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.11%	41.97K	143.11K	0	0
Mar 31, 2024	PEAK6 INVESTMENTS LLC	0.11%	41.49K	141.47K	0	0
Mar 31, 2024	BANK OF MONTREAL /CAN/	0.09%	33.37K	234.91K	33.37K	+100.00%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	0.09%	33.13K	112.97K	33.13K	+100.00%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	0.07%	26.84K	91.52K	0	0
Mar 31, 2024	TWO SIGMA ADVISERS, LP	0.06%	24.1K	82.18K	24.1K	+100.00%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	0.05%	18.94K	64.58K	-10.1K	-34.77%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.05%	18.24K	62.2K	-66.86K	-78.57%
Mar 31, 2024	RHUMBLINE ADVISERS	0.05%	17.95K	61.21K	684	+3.96%
Mar 31, 2024	NEW YORK STATE COMMON RETIREMENT FUND	0.03%	10.14K	35K	0	0
Mar 31, 2024	AMERICAN INTERNATIONAL GROUP, INC.	0.02%	7.92K	27K	-68	-0.85%
Mar 31, 2024	JPMORGAN CHASE & CO	0.02%	7.12K	24.27K	-3.3K	-31.68%
Mar 31, 2024	TOWER RESEARCH CAPITAL LLC (TRC)	0.02%	5.79K	19.74K	2.91K	+100.80%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0.01%	5.66K	19.28K	729	+14.80%
Mar 31, 2024	FMR LLC	0%	1.65K	5.63K	-139.18K	-98.83%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0%	1.55K	5.27K	0	0
Mar 31, 2024	AMERITAS INVESTMENT PARTNERS, INC.	0%	1.33K	4.53K	0	0
Mar 31, 2024	AMALGAMATED BANK	0%	542	2K	-860	-61.34%
Mar 31, 2024	ROYAL BANK OF CANADA	0%	367	1K	-3.92K	-91.44%
Mar 31, 2024	ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC	15.08%	5.84M	19.9M	0	0
Mar 31, 2024	ARTAL GROUP S.A.	4.68%	1.81M	6.18M	0	0
Mar 31, 2024	VANGUARD GROUP INC	2.31%	894.47K	3.05M	95.28K	+11.92%
Mar 31, 2024	BLACKROCK INC.	2.27%	877.03K	2.99M	-42.1K	-4.58%
Mar 31, 2024	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	1.45%	560.6K	1.91M	0	0
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	0.86%	334.24K	1.14M	18.7K	+5.93%
Mar 31, 2024	ENSIGN PEAK ADVISORS, INC	0.59%	228.67K	779.78K	0	0
Mar 31, 2024	NORTHERN TRUST CORP	0.36%	138.72K	473.04K	-2.68K	-1.90%
Mar 31, 2024	CITIGROUP INC	0.17%	67.31K	229.53K	658	+0.99%
Mar 31, 2024	RENAISSANCE TECHNOLOGIES LLC	0.15%	59.96K	204K	59.96K	+100.00%
Mar 31, 2024	NORTHPOND VENTURES, LLC	10.89%	4.21M	14.37M	0	0
Mar 31, 2024	683 CAPITAL MANAGEMENT, LLC	2.57%	994.9K	3.39M	994.9K	+100.00%
Mar 31, 2024	DEEP TRACK CAPITAL, LP	4.12%	1.59M	5.44M	0	0
Dec 31, 2023	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	2.88K	9.75K	532	+22.63%
Dec 31, 2023	ROYAL BANK OF CANADA	0.01%	4.29K	15K	468	+12.25%
Dec 31, 2023	WELLS FARGO & COMPANY/MN	0.01%	4.93K	16.65K	974	+24.65%
Dec 31, 2023	AMERICAN INTERNATIONAL GROUP, INC.	0.02%	7.99K	27K	-32	-0.40%
Dec 31, 2023	STRS OHIO	0.02%	8.2K	27K	8.2K	+100.00%
Dec 31, 2023	NEW YORK STATE COMMON RETIREMENT FUND	0.03%	10.14K	34K	-25	-0.25%
Dec 31, 2023	JANE STREET GROUP, LLC	0.03%	10.18K	34.4K	10.18K	+100.00%
Dec 31, 2023	JPMORGAN CHASE & CO	0.03%	10.42K	35.2K	0	0
Dec 31, 2023	TWO SIGMA INVESTMENTS, LP	0.04%	15.73K	53.16K	15.73K	+100.00%
Dec 31, 2023	RHUMBLINE ADVISERS	0.04%	17.27K	58.36K	-779	-4.32%
Dec 31, 2023	NUVEEN ASSET MANAGEMENT, LLC	0.07%	26.84K	90.72K	2.13K	+8.60%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0.07%	29.03K	98.14K	5.43K	+23.02%
Dec 31, 2023	PEAK6 INVESTMENTS LLC	0.11%	41.49K	140.22K	17.69K	+74.34%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.11%	41.97K	141.85K	0	0
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.12%	48.49K	163.89K	0	0
Dec 31, 2023	MORGAN STANLEY	0.14%	54.91K	185.61K	42.56K	+344.32%
Dec 31, 2023	CITIGROUP INC	0.17%	66.65K	225.28K	2.35K	+3.65%
Dec 31, 2023	DAFNA CAPITAL MANAGEMENT LLC	0.19%	71.82K	242.74K	-100.49K	-58.32%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.22%	85.1K	287.64K	-61.1K	-41.79%
Dec 31, 2023	BARCLAYS PLC	0.32%	123.8K	419K	19.21K	+18.36%
Dec 31, 2023	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.34%	132.96K	449.42K	132.96K	+100.00%
Dec 31, 2023	ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC	15.04%	5.84M	19.73M	0	0
Dec 31, 2023	FMR LLC	0.36%	140.83K	476.02K	-248	-0.18%
Dec 31, 2023	NORTHERN TRUST CORP	0.36%	141.4K	477.94K	15.67K	+12.46%
Dec 31, 2023	TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK	0.5%	192.97K	652.25K	0	0
Dec 31, 2023	ANSON FUNDS MANAGEMENT LP	0.53%	207.02K	699.71K	207.02K	+100.00%
Dec 31, 2023	ENSIGN PEAK ADVISORS, INC	0.59%	228.67K	772.92K	216.75K	+1,817.76%
Dec 31, 2023	STATE STREET CORP	0.73%	283.29K	957.52K	5.68K	+2.05%
Dec 31, 2023	ARROWMARK COLORADO HOLDINGS LLC	0.75%	289.46K	978.38K	289.46K	+100.00%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	0.81%	315.54K	1.07M	10.36K	+3.40%
Dec 31, 2023	ORBIMED ADVISORS LLC	1.16%	448.89K	1.52M	0	0
Dec 31, 2023	ROCK SPRINGS CAPITAL MANAGEMENT LP	1.22%	471.96K	1.6M	0	0
Dec 31, 2023	SPHERA FUNDS MANAGEMENT LTD.	1.38%	535.12K	1.81M	535.12K	+100.00%
Dec 31, 2023	PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLC	1.44%	560.6K	1.89M	0	0
Dec 31, 2023	VANGUARD GROUP INC	2.06%	799.2K	2.7M	5.23K	+0.66%
Dec 31, 2023	BLACKROCK INC.	2.37%	919.13K	3.11M	71.85K	+8.48%
Dec 31, 2023	DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)	3.02%	1.17M	3.97M	-653.88K	-35.78%
Dec 31, 2023	DEEP TRACK CAPITAL, LP	4.11%	1.59M	5.39M	-172.2K	-9.74%
Dec 31, 2023	NISA INVESTMENT ADVISORS, LLC	0%	0	-	-30	-100.00%
Dec 31, 2023	CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	0.01%	2.65K	8.94K	-901	-25.41%
Dec 31, 2023	AMERITAS INVESTMENT PARTNERS, INC.	0%	1.33K	4.49K	0	0
Dec 31, 2023	CORMORANT ASSET MANAGEMENT, LP	0%	0	-	-616.79K	-100.00%
Dec 31, 2023	LAURION CAPITAL MANAGEMENT LP	0%	0	-	-10.84K	-100.00%
Dec 31, 2023	ARTAL GROUP S.A.	4.67%	1.81M	6.12M	-96.94K	-5.08%
Dec 31, 2023	BVF INC/IL	4.67%	1.81M	6.13M	0	0
Dec 31, 2023	CITADEL ADVISORS LLC	5.57%	2.16M	7.31M	-4.21K	-0.19%
Dec 31, 2023	NORTHPOND VENTURES, LLC	10.86%	4.21M	14.25M	0	0
Dec 31, 2023	AMALGAMATED BANK	0%	1.4K	5K	-161	-10.30%
Dec 31, 2023	LEGAL & GENERAL GROUP PLC	0%	1.55K	5.27K	0	0
Dec 31, 2023	HARVARD MANAGEMENT CO INC	0%	0	-	-289.46K	-100.00%

Insiders

Among the VIGL insiders holding of 18.16% of the stake in company, ATLAS VENTURE FUND XII, L.P., 10 percent owner, holds the largest shares of 4.81M. BOOTH BRUCE, director, is the second largest VIGL insider with ownership of 4.81M shares. THORP CLAY, , stands third with possession of 1.56M shares of that stake.

Insiders	Designation	Shares Held
ATLAS VENTURE FUND XII, L.P.	10 percent owner	4.81M
BOOTH BRUCE	director	4.81M
THORP CLAY		1.56M
NORTHPOND VENTURES GP, LLC	10 percent owner	1.38M
MAGOVCEVIC-LIEBISCH IVANA	President and CEO	222.69K
BUDD HAEBERLEIN SAMANTHA L.	director	12K
VITOROVIC STEFAN	director	11.54K
VIDA VENTURES GP III, L.L.C.	10 percent owner	11.54K
ZIOLKOWSKI JENNIFER LYNN	Chief Financial Officer	4K
PAPAPETROPOULOS SPYROS	Chief Medical Officer	4K
VERNI CHRISTOPHER	General Counsel	4K
THACKABERRY EVAN	SVP, Head of Early Development	1.5K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Dec 19, 2024	MAGOVCEVIC-LIEBISCH IVANA	PURCHASE	1.68	5K	8.4K	222.69K
Dec 19, 2024	BUDD HAEBERLEIN SAMANTHA L.	PURCHASE	1.71	12K	20.52K	12K
Dec 18, 2024	MAGOVCEVIC-LIEBISCH IVANA	PURCHASE	1.67	5K	8.35K	217.69K
Dec 05, 2024	MAGOVCEVIC-LIEBISCH IVANA	PURCHASE	2.34	5K	11.7K	212.69K
Nov 20, 2023	MAGOVCEVIC-LIEBISCH IVANA	PURCHASE	3.75	4K	15K	207.69K
Nov 18, 2022	PAPAPETROPOULOS SPYROS	SALE	14.00	300	4.2K	4K
May 16, 2022	THORP CLAY	PURCHASE	2.97	14.89K	44.19K	1.56M
May 05, 2022	THACKABERRY EVAN	PURCHASE	4.00	1.5K	6K	1.5K
May 03, 2022	ZIOLKOWSKI JENNIFER LYNN	PURCHASE	3.77	4K	15.1K	4K
May 03, 2022	MAGOVCEVIC-LIEBISCH IVANA	PURCHASE	3.94	1K	3.94K	203.69K
May 03, 2022	PAPAPETROPOULOS SPYROS	PURCHASE	3.40	4K	13.59K	4K
May 03, 2022	VERNI CHRISTOPHER	PURCHASE	3.77	4K	15.07K	4K
May 02, 2022	MAGOVCEVIC-LIEBISCH IVANA	PURCHASE	3.61	4K	14.44K	202.69K
Mar 28, 2022	THORP CLAY	PURCHASE	7.20	3K	21.6K	3K
Jan 11, 2022	BOOTH BRUCE	PURCHASE	14.00	535K	7.49M	4.81M
Jan 11, 2022	NORTHPOND VENTURES GP, LLC	PURCHASE	14.00	355K	4.97M	1.38M
Jan 11, 2022	THORP CLAY	PURCHASE	14.00	265K	3.71M	1.52M
Jan 11, 2022	VIDA VENTURES GP III, L.L.C.	PURCHASE	14.00	3.85K	53.93K	11.54K
Jan 11, 2022	ATLAS VENTURE FUND XII, L.P.	PURCHASE	14.00	535K	7.49M	4.81M
Jan 11, 2022	VITOROVIC STEFAN	PURCHASE	14.00	3.85K	53.93K	11.54K

Frequently Asked Questions