How many institutions own ABOS 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 ABOS shares is 82, representing 64.73% of the company's common stock.

Who are the major shareholders selling Acumen Pharmaceuticals, Inc. stock?

GOLDMAN SACHS GROUP INC, in the last quarter, reduced its stake in ABOS by -56.03% restricting it's holding to 147.15 thousand shares of worth nearly $251.62K. FRANKLIN RESOURCES INC also lessened -25.09% of the ABOS shares from its portfolio, reducing its holding to 2.31 million shares of worth $3.94M. TRUE WEALTH DESIGN, LLC also shunned ABOS shares holding by -100% last quarter which brought its holding to 0 shares worth -.

Investors who are buying ABOS stock?

As per its latest 13F filing, SUSQUEHANNA INTERNATIONAL GROUP, LLP increased its stake in ABOS by 40.77% in the last quarter. The institutional holder raised its holding to 214.44 thousand shares having worth more than $366.69K. CATALYST FUNDS MANAGEMENT PTY LTD also added 50.25% more shares of ABOS to its portfolio, raising its holding to 29.6 thousand shares of worth $50.62K. JACOBS LEVY EQUITY MANAGEMENT, INC also increased its ABOS shares holding by 100% which brought its holding to 16 thousand shares worth $27.36K.

ABOS's major insiders: who are they?

The insider with the most stakes in ABOS is RA CAPITAL MANAGEMENT, L.P. , at the company. Additionally, ABOS stock is highly held by 10 percent owner Hardie Robert D. and 10 percent owner Sands Capital Ventures Discovery Fund III, L.P. among others.

Did an insider recently sell ABOS stock?

Company executives, directors, and other insiders own 7.03% percent of Acumen Pharmaceuticals, Inc.'s stock. Within the last six months, there have been 38 transaction(s) in which ABOS insiders have sold stock, totaling 235.21K shares. Insiders that have sold shares include MEISNER DEREK M, SIEMERS ERIC, and BARTON RUSSELL.

Which insider recently purchased ABOS stock?

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

How much of ABOS does insiders own?

Around 10.47M Acumen Pharmaceuticals, Inc. shares are held by insiders, which represents about 7.03% of ABOS stock.

Who is the insider with the largest stake?

ABOS , RA CAPITAL MANAGEMENT, L.P. holds the largest portfolio of the company's shares. ABOS shares owned by RA total nearly 13.04 million.

Which institution holds the most shares in ABOS?

GOLDMAN SACHS GROUP INC is the largest institutional owner in ABOS which holds 147.15 thousand shares worth $251.62K or 0.24% of the total ABOS shares outstanding followed by KNOLLWOOD INVESTMENT ADVISORY, LLC with ownership of 1.63 million shares representing 2.69% of the ABOS ownership. FRANKLIN RESOURCES INC is the third largest stakeholder with 2.31 million shares or 3.81% of the ownership worth more than $3.94M.

Is Acumen Pharmaceuticals, 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 ABOS is concerned, it is a stock which is optionable.

Is there a short position on ABOS's shares?

Number of ABOS shares short is 599.67K. 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 ABOS shares are there?

As of today, 60.57M shares of ABOS are outstanding.

Is there many float in ABOS 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, ABOS has 35.33M shares in float.

ABOS 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 ABOS is 2.92.

Acumen Pharmaceuticals (ABOS) 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

OptionableYes

Short Percent Of Outstanding Shares0.99

Short Percent Of Float1.33

Shares Outstanding60.57M

Shares Float35.33M

Shares Short599.67K

Short Ratio2.92

1.33%

Short % of Float

0.99%

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

7.03% Percentage of Shares held by All Insiders

64.73% Percentage of Shares held by All Institutions

69.63% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 64.73% of ABOS shares are held by financial institutions. GOLDMAN SACHS GROUP INC is the top corporate investor, holding 147.15K shares valued at $251.62K. A 0.24% stake in Acumen Pharmaceuticals, Inc. is owned by the company. KNOLLWOOD INVESTMENT ADVISORY, LLC owns 1.63M shares valued at $2.78M, which translates its holding of 2.69% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	GOLDMAN SACHS GROUP INC	0.24%	147.15K	251.62K	-187.54K	-56.03%
Sep 30, 2025	KNOLLWOOD INVESTMENT ADVISORY, LLC	2.69%	1.63M	2.78M	0	0
Sep 30, 2025	FRANKLIN RESOURCES INC	3.81%	2.31M	3.94M	-771.94K	-25.09%
Sep 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.35%	214.44K	366.69K	62.1K	+40.77%
Sep 30, 2025	STATE STREET CORP	0.18%	106.68K	182.42K	0	0
Sep 30, 2025	CATALYST FUNDS MANAGEMENT PTY LTD	0.05%	29.6K	50.62K	9.9K	+50.25%
Sep 30, 2025	CLUNE & ASSOCIATES, LTD.	0.03%	16.5K	28.22K	0	0
Sep 30, 2025	JACOBS LEVY EQUITY MANAGEMENT, INC	0.03%	16K	27.36K	16K	+100.00%
Sep 30, 2025	ALYESKA INVESTMENT GROUP, L.P.	1.55%	939.6K	1.61M	0	0
Sep 30, 2025	TRUE WEALTH DESIGN, LLC	0%	0	-	-35	-100.00%
Sep 30, 2025	ETHIC INC.	0%	0	-	-11.38K	-100.00%
Sep 30, 2025	Y-INTERCEPT (HONG KONG) LTD	0%	0	-	-250.85K	-100.00%
Sep 30, 2025	MARSHALL WACE, LLP	0%	0	-	-137.94K	-100.00%
Sep 30, 2025	CLEARSTEAD ADVISORS, LLC	0%	0	-	-63	-100.00%
Sep 30, 2025	NBT BANK N A /NY	0%	2	342	-198	-99.00%
Sep 30, 2025	OPTIVER HOLDING B.V.	0%	6	10	6	+100.00%
Sep 30, 2025	CITIGROUP INC	0%	151	258	-2.96K	-95.15%
Sep 30, 2025	FARTHER FINANCE ADVISORS, LLC	0%	200	342	0	0
Sep 30, 2025	EVERSOURCE WEALTH ADVISORS, LLC	0%	407	696	-8	-1.93%
Sep 30, 2025	SBI SECURITIES CO., LTD.	0%	518	886	5	+0.97%
Sep 30, 2025	CWM, LLC	0%	744	1K	-3.39K	-82.01%
Sep 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	1.22K	2.09K	-810	-39.82%
Sep 30, 2025	JPMORGAN CHASE & CO	0.01%	3.03K	5.31K	-13.64K	-81.82%
Sep 30, 2025	PNC FINANCIAL SERVICES GROUP, INC.	0.01%	3.08K	5.27K	-1.87K	-37.75%
Sep 30, 2025	WELLS FARGO & COMPANY/MN	0.01%	6.5K	11.12K	-325	-4.76%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.66%	398.78K	682.04K	2.15K	+0.54%
Sep 30, 2025	SG AMERICAS SECURITIES, LLC	0.67%	403.88K	691K	403.88K	+100.00%
Sep 30, 2025	HUDSON BAY CAPITAL MANAGEMENT LP	1.2%	725K	1.24M	-100K	-12.12%
Sep 30, 2025	MILLENNIUM MANAGEMENT LLC	0.99%	601.72K	1.03M	-1.35M	-69.14%
Sep 30, 2025	PINNACLE WEALTH MANAGEMENT ADVISORY GROUP, LLC	0.03%	18.02K	30.81K	0	0
Sep 30, 2025	INTREPID FINANCIAL PLANNING GROUP LLC	0.05%	30.15K	51.56K	0	0
Sep 30, 2025	NISA INVESTMENT ADVISORS, LLC	0%	1.23K	2.1K	0	0
Sep 30, 2025	TFC FINANCIAL MANAGEMENT, INC.	0%	2.5K	4.28K	2.5K	+100.00%
Sep 30, 2025	ROCKEFELLER CAPITAL MANAGEMENT L.P.	0.01%	3K	5.13K	3K	+100.00%
Sep 30, 2025	LARSON FINANCIAL GROUP LLC	0.01%	4K	6.84K	4K	+100.00%
Sep 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0.01%	7.25K	10.39K	0	0
Sep 30, 2025	FMR LLC	3.35%	2.03M	3.47M	-411	-0.02%
Sep 30, 2025	RA CAPITAL MANAGEMENT, L.P.	24.65%	14.93M	25.53M	0	0
Sep 30, 2025	JANE STREET GROUP, LLC	0.34%	207.24K	354.38K	31.57K	+17.97%
Sep 30, 2025	PINNACLE ASSOCIATES LTD	0.03%	18.02K	30.81K	0	0
Sep 30, 2025	NORTHERN TRUST CORP	0.11%	64.95K	111.07K	-208	-0.32%
Sep 30, 2025	IKARIAN CAPITAL, LLC	0.44%	265.77K	454.47K	0	0
Sep 30, 2025	TWO SIGMA ADVISERS, LP	0.7%	423.6K	724.36K	-2.7K	-0.63%
Sep 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0.96%	584.29K	999.14K	337.7K	+136.95%
Sep 30, 2025	UBS GROUP AG	0.05%	30.84K	52.74K	-63.58K	-67.34%
Sep 30, 2025	GSA CAPITAL PARTNERS LLP	0.05%	32.1K	55K	0	0
Sep 30, 2025	LAURION CAPITAL MANAGEMENT LP	1.43%	867.05K	1.48M	0	0
Sep 30, 2025	POINT72 ASIA (SINGAPORE) PTE. LTD.	0.03%	16.04K	27.44K	-5.3K	-24.82%
Sep 30, 2025	DIMENSIONAL FUND ADVISORS LP	0.07%	43.52K	74.43K	0	0
Sep 30, 2025	BOOTHBAY FUND MANAGEMENT, LLC	0.08%	51.04K	87.28K	0	0
Sep 30, 2025	CUBIST SYSTEMATIC STRATEGIES, LLC	0.04%	23.9K	40.88K	23.9K	+100.00%
Sep 30, 2025	BARCLAYS PLC	0.05%	29.99K	51.29K	0	0
Sep 30, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.05%	32.88K	56.23K	-24.68K	-42.87%
Sep 30, 2025	CATALYST FINANCIAL PARTNERS LLC	0.15%	89.7K	153.39K	0	0
Sep 30, 2025	SANDS CAPITAL VENTURES, LLC	5.64%	3.42M	5.84M	0	0
Sep 30, 2025	GROUP ONE TRADING, L.P.	0.01%	7.8K	13.34K	-726	-8.52%
Sep 30, 2025	INTEGRATED WEALTH CONCEPTS LLC	0.02%	10.18K	17.41K	-247	-2.37%
Sep 30, 2025	SAVANT CAPITAL, LLC	0.02%	11.05K	18.89K	11.05K	+100.00%
Sep 30, 2025	PFG INVESTMENTS, LLC	0.02%	11.5K	19.67K	11.5K	+100.00%
Sep 30, 2025	HRT FINANCIAL LP	0.02%	14.01K	23K	-17.41K	-55.41%
Sep 30, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.31%	190.17K	325.19K	75K	+65.12%
Sep 30, 2025	TWO SIGMA INVESTMENTS, LP	0.33%	199.45K	341.05K	-1.34K	-0.67%
Sep 30, 2025	MORGAN STANLEY	0.25%	149.4K	255.48K	-4.35K	-2.83%
Sep 30, 2025	BLACKROCK, INC.	0.29%	174.69K	298.72K	-117.27K	-40.17%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0.35%	213.73K	365.48K	66.72K	+45.39%
Sep 30, 2025	PATHSTONE HOLDINGS, LLC	1.42%	859.11K	1.47M	-199.42K	-18.84%
Sep 30, 2025	VANGUARD GROUP INC	2.73%	1.65M	2.82M	-37.88K	-2.24%
Sep 30, 2025	ADAR1 CAPITAL MANAGEMENT, LLC	1.47%	891.18K	1.52M	-25K	-2.73%
Sep 30, 2025	CITADEL ADVISORS LLC	0.02%	11.6K	19.84K	-2.7K	-18.88%
Sep 30, 2025	ACADIAN ASSET MANAGEMENT LLC	0.13%	77.92K	131K	77.92K	+100.00%
Jun 30, 2025	GOLDMAN SACHS GROUP INC	0.55%	334.68K	388.23K	138.48K	+70.58%
Jun 30, 2025	Y-INTERCEPT (HONG KONG) LTD	0.41%	250.85K	290.98K	250.85K	+100.00%
Jun 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0.41%	246.59K	286.04K	-10.11K	-3.94%
Jun 30, 2025	BOOTHBAY FUND MANAGEMENT, LLC	0.08%	51.04K	59.21K	0	0
Jun 30, 2025	BLACKROCK, INC.	0.48%	291.96K	338.67K	-2.04M	-87.48%
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.65%	396.63K	460.17K	-465.27K	-53.98%
Jun 30, 2025	TWO SIGMA ADVISERS, LP	0.7%	426.3K	494.51K	-37.4K	-8.07%
Jun 30, 2025	MORGAN STANLEY	0.25%	153.75K	178.35K	1.11K	+0.73%
Jun 30, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.1%	57.56K	66.77K	35.42K	+160.04%
Jun 30, 2025	CITADEL ADVISORS LLC	0.02%	14.3K	16.59K	-24.8K	-63.43%
Jun 30, 2025	ETHIC INC.	0.02%	11.38K	12.74K	11.38K	+100.00%
Jun 30, 2025	DRW SECURITIES, LLC	0.02%	11.02K	12.78K	11.02K	+100.00%
Jun 30, 2025	RA CAPITAL MANAGEMENT, L.P.	24.65%	14.93M	17.32M	0	0
Jun 30, 2025	FRANKLIN RESOURCES INC	5.08%	3.08M	3.57M	-64.9K	-2.07%
Jun 30, 2025	PINNACLE ASSOCIATES LTD	0.03%	18.02K	20.9K	0	0
Jun 30, 2025	AQR CAPITAL MANAGEMENT LLC	0.08%	46.29K	53.7K	4.56K	+10.92%
Jun 30, 2025	NORTHERN TRUST CORP	0.11%	65.16K	75.59K	-224.67K	-77.52%
Jun 30, 2025	CATALYST FINANCIAL PARTNERS LLC	0.15%	89.7K	104.05K	0	0
Jun 30, 2025	UBS GROUP AG	0.16%	94.42K	109.53K	-28.59K	-23.24%
Jun 30, 2025	STATE STREET CORP	0.18%	106.68K	123.75K	-414.53K	-79.53%
Jun 30, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.19%	115.17K	133.6K	0	0
Jun 30, 2025	DIMENSIONAL FUND ADVISORS LP	0.07%	43.52K	50.49K	0	0
Jun 30, 2025	TWO SIGMA SECURITIES, LLC	0.03%	20.07K	23.28K	8.19K	+68.92%
Jun 30, 2025	POINT72 ASIA (SINGAPORE) PTE. LTD.	0.04%	21.34K	24.75K	21.34K	+100.00%
Jun 30, 2025	BARCLAYS PLC	0.05%	29.99K	35K	-42.27K	-58.50%
Jun 30, 2025	INTREPID FINANCIAL PLANNING GROUP LLC	0.05%	30.15K	34.97K	0	0
Jun 30, 2025	HRT FINANCIAL LP	0.05%	31.43K	36K	31.43K	+100.00%
Jun 30, 2025	GSA CAPITAL PARTNERS LLP	0.05%	32.1K	37K	32.1K	+100.00%
Jun 30, 2025	MAREX GROUP PLC	0.06%	33.3K	38.63K	33.3K	+100.00%
Jun 30, 2025	MARSHALL WACE, LLP	0.23%	137.94K	160.01K	137.94K	+100.00%
Jun 30, 2025	CLUNE & ASSOCIATES, LTD.	0.03%	16.5K	19.14K	0	0
Jun 30, 2025	CATALYST FUNDS MANAGEMENT PTY LTD	0.03%	19.7K	22.85K	19.7K	+100.00%
Jun 30, 2025	JAIN GLOBAL LLC	0.07%	39.99K	46.39K	39.99K	+100.00%
Jun 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0.03%	15.4K	26.49K	10.4K	+208.00%
Jun 30, 2025	SCHONFELD STRATEGIC ADVISORS LLC	0.03%	15.93K	18.48K	15.93K	+100.00%
Jun 30, 2025		0.03%	16.5K	19.14K	0	0
Jun 30, 2025	JPMORGAN CHASE & CO	0.03%	16.68K	29.18K	-815.59K	-98.00%
Jun 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.03%	17.2K	19.95K	17.2K	+100.00%
Jun 30, 2025	PINNACLE WEALTH MANAGEMENT ADVISORY GROUP, LLC	0.03%	18.02K	20.9K	0	0
Jun 30, 2025	BANK OF AMERICA CORP /DE/	0.24%	147.01K	170.53K	-11.93K	-7.50%
Jun 30, 2025	KNOLLWOOD INVESTMENT ADVISORY, LLC	2.69%	1.63M	1.89M	0	0
Jun 30, 2025	MILLENNIUM MANAGEMENT LLC	3.22%	1.95M	2.26M	814.9K	+71.78%
Jun 30, 2025	JANE STREET GROUP, LLC	0.29%	175.67K	203.78K	164.87K	+1,525.97%
Jun 30, 2025	PATHSTONE HOLDINGS, LLC	1.75%	1.06M	1.23M	-28K	-2.58%
Jun 30, 2025	ALYESKA INVESTMENT GROUP, L.P.	1.55%	939.6K	1.09M	0	0
Jun 30, 2025	ADAR1 CAPITAL MANAGEMENT, LLC	1.51%	916.18K	1.06M	770K	+526.74%
Jun 30, 2025	LAURION CAPITAL MANAGEMENT LP	1.43%	867.05K	1.01M	0	0
Jun 30, 2025	HUDSON BAY CAPITAL MANAGEMENT LP	1.36%	825K	957.01K	55K	+7.14%
Jun 30, 2025	TWO SIGMA INVESTMENTS, LP	0.33%	200.79K	232.91K	-31.51K	-13.56%
Jun 30, 2025	IKARIAN CAPITAL, LLC	0.44%	265.77K	308.29K	0	0
Jun 30, 2025	SANDS CAPITAL VENTURES, LLC	5.64%	3.42M	3.96M	0	0
Jun 30, 2025	FMR LLC	3.35%	2.03M	2.35M	4.11K	+0.20%
Jun 30, 2025	VANGUARD GROUP INC	2.79%	1.69M	1.96M	-247.64K	-12.78%
Mar 31, 2025	JPMORGAN CHASE & CO	1.38%	832.27K	1.46M	-105.64K	-11.26%
Mar 31, 2025	HUDSON BAY CAPITAL MANAGEMENT LP	1.27%	770K	847K	55K	+7.69%
Mar 31, 2025	INVESCO LTD.	0.21%	127.8K	140.58K	107.96K	+544.08%
Mar 31, 2025	IKARIAN CAPITAL, LLC	0.44%	265.77K	292.35K	0	0
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.42%	256.7K	282.37K	-513	-0.20%
Mar 31, 2025	ADAR1 CAPITAL MANAGEMENT, LLC	0.24%	146.18K	160.8K	51.89K	+55.03%
Mar 31, 2025	RA CAPITAL MANAGEMENT, L.P.	24.67%	14.93M	16.43M	0	0
Mar 31, 2025	BLACKROCK, INC.	3.85%	2.33M	2.56M	-41K	-1.73%
Mar 31, 2025	UBS GROUP AG	0.2%	123.02K	135.32K	-18.48K	-13.06%
Mar 31, 2025	SANDS CAPITAL VENTURES, LLC	5.65%	3.42M	3.76M	0	0
Mar 31, 2025	STATE STREET CORP	0.86%	521.21K	573.33K	-4.6K	-0.87%
Mar 31, 2025	TWO SIGMA ADVISERS, LP	0.77%	463.7K	510.07K	-35.4K	-7.09%
Mar 31, 2025	BARCLAYS PLC	0.12%	72.27K	80K	-20.82K	-22.36%
Mar 31, 2025	BOOTHBAY FUND MANAGEMENT, LLC	0.08%	51.04K	56.15K	0	0
Mar 31, 2025	RHUMBLINE ADVISERS	0.08%	45.52K	50.06K	-7.56K	-14.24%
Mar 31, 2025	CITADEL ADVISORS LLC	0.05%	27.5K	30.25K	-15.8K	-36.49%
Mar 31, 2025	NORTHERN TRUST CORP	0.48%	289.84K	318.82K	-17.78K	-5.78%
Mar 31, 2025	TWO SIGMA INVESTMENTS, LP	0.38%	232.29K	255.52K	-68.98K	-22.89%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0.32%	196.21K	215.83K	-22.94K	-10.47%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0.26%	158.93K	174.83K	10.27K	+6.91%
Mar 31, 2025	AQR CAPITAL MANAGEMENT LLC	0.07%	41.74K	45.91K	41.74K	+100.00%
Mar 31, 2025	INTREPID FINANCIAL PLANNING GROUP LLC	0.05%	30.15K	33.17K	0	0
Mar 31, 2025	CITIGROUP INC	0.05%	29.84K	32.82K	-50.51K	-62.87%
Mar 31, 2025	FRANKLIN RESOURCES INC	5.19%	3.14M	3.46M	-131.69K	-4.02%
Mar 31, 2025	FMR LLC	3.35%	2.03M	2.23M	1.86K	+0.09%
Mar 31, 2025		0.13%	78.45K	86.29K	78.45K	+100.00%
Mar 31, 2025	INTECH INVESTMENT MANAGEMENT LLC	0.05%	28.54K	31.39K	9.69K	+51.43%
Mar 31, 2025	WELLS FARGO & COMPANY/MN	0.05%	27.68K	30.45K	1.56K	+5.97%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.04%	25.9K	28.49K	-7.2K	-21.75%
Mar 31, 2025	SEI INVESTMENTS CO	0.04%	21.78K	23.96K	0	0
Mar 31, 2025	VANGUARD GROUP INC	3.2%	1.94M	2.13M	-3.78K	-0.19%
Mar 31, 2025	KNOLLWOOD INVESTMENT ADVISORY, LLC	2.69%	1.63M	1.79M	0	0
Mar 31, 2025	PATHSTONE HOLDINGS, LLC	1.8%	1.09M	1.2M	479.69K	+79.05%
Mar 31, 2025	ALYESKA INVESTMENT GROUP, L.P.	1.55%	939.6K	1.03M	0	0
Mar 31, 2025	LAURION CAPITAL MANAGEMENT LP	1.43%	867.05K	953.75K	0	0
Mar 31, 2025	MORGAN STANLEY	0.25%	152.64K	167.9K	-113.58K	-42.66%
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.19%	116.9K	128.59K	-9.85K	-7.77%
Mar 31, 2025	DEUTSCHE BANK AG\	0.16%	97K	106.7K	0	0
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.15%	90.26K	99.28K	-2.73K	-2.93%
Mar 31, 2025	MILLENNIUM MANAGEMENT LLC	1.88%	1.14M	1.25M	-209.52K	-15.58%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	1.42%	861.9K	948.18K	-8.66K	-0.99%
Mar 31, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.04%	25.17K	27.69K	1.09K	+4.54%
Mar 31, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.04%	22.14K	24.35K	-46.19K	-67.60%
Mar 31, 2025	VANGUARD PERSONALIZED INDEXING MANAGEMENT, LLC	0.04%	22.01K	24.21K	9.11K	+70.67%
Mar 31, 2025	DIMENSIONAL FUND ADVISORS LP	0.07%	43.52K	47.88K	-54.49K	-55.59%
Mar 31, 2025	COREBRIDGE FINANCIAL, INC.	0.03%	20.55K	22.61K	-305	-1.46%
Mar 31, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.19%	115.17K	126.69K	-18.83K	-14.05%
Mar 31, 2025	CATALYST FINANCIAL PARTNERS LLC	0.15%	89.7K	98.67K	0	0
Mar 31, 2024	BOOTHBAY FUND MANAGEMENT, LLC	0.09%	51.71K	209.42K	-30.47K	-37.08%
Mar 31, 2024	Y-INTERCEPT (HONG KONG) LTD	0.06%	37.19K	150.62K	17.84K	+92.22%
Mar 31, 2024	AMERICAN CENTURY COMPANIES INC	0.06%	34.6K	140.15K	9.88K	+39.94%
Mar 31, 2024	BANK OF MONTREAL /CAN/	0.06%	31.9K	131.75K	31.9K	+100.00%
Mar 31, 2024	INTREPID FINANCIAL PLANNING GROUP LLC	0.05%	30.15K	122.11K	0	0
Mar 31, 2024	GROUP ONE TRADING, L.P.	0.05%	28.04K	113.55K	20.49K	+271.70%
Mar 31, 2024	EXODUSPOINT CAPITAL MANAGEMENT, LP	0.04%	25.62K	104K	-6.64K	-20.57%
Mar 31, 2024	GSA CAPITAL PARTNERS LLP	0.04%	25.37K	103K	25.37K	+100.00%
Mar 31, 2024	JUMP FINANCIAL, LLC	0.04%	23.95K	97K	-79.05K	-76.75%
Mar 31, 2024	OMERS ADMINISTRATION CORP	0.04%	23.8K	96.39K	23.8K	+100.00%
Mar 31, 2024	SUSQUEHANNA PORTFOLIO STRATEGIES, LLC	0.04%	21.9K	88.71K	21.9K	+100.00%
Mar 31, 2024	JEFFERIES FINANCIAL GROUP INC.	0.03%	19K	76.95K	19K	+100.00%
Mar 31, 2024	PINNACLE ASSOCIATES LTD	0.03%	18.02K	72.98K	18.02K	+100.00%
Mar 31, 2024	PINNACLE WEALTH MANAGEMENT ADVISORY GROUP, LLC	0.03%	18.02K	72.98K	18.02K	+100.00%
Mar 31, 2024	STIFEL FINANCIAL CORP	0.03%	14.65K	59.33K	-1.5K	-9.29%
Mar 31, 2024	CHICAGO PARTNERS INVESTMENT GROUP LLC	0.02%	13.96K	44.11K	-4.36K	-23.79%
Mar 31, 2024	SG AMERICAS SECURITIES, LLC	0.02%	12.86K	52K	12.86K	+100.00%
Mar 31, 2024	ALGERT GLOBAL LLC	0.02%	12.41K	50K	12.41K	+100.00%
Mar 31, 2024	CTC ALTERNATIVE STRATEGIES, LTD.	0.02%	11.1K	44.96K	11.1K	+100.00%
Mar 31, 2024	ADVISOR GROUP HOLDINGS, INC.	0.02%	10.4K	42.12K	10K	+2,500.00%
Mar 31, 2024	UBS GROUP AG	0.01%	6.64K	26.9K	6.64K	+82,937.50%
Mar 31, 2024	SANDY SPRING BANK	0%	1.5K	6.08K	1.5K	+100.00%
Mar 31, 2024	MACQUARIE GROUP LTD	0%	1.25K	5	1.25K	+100.00%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0%	1.21K	4.89K	-997	-45.22%
Mar 31, 2024	ACADIAN ASSET MANAGEMENT LLC	0%	0	-	-91.5K	-100.00%
Mar 31, 2024	ZURCHER KANTONALBANK (ZURICH CANTONALBANK)	0%	0	-	-413	-100.00%
Mar 31, 2024	SIMPLEX TRADING, LLC	0%	0	-	-21.42K	-100.00%
Mar 31, 2024	SANDS CAPITAL VENTURES, LLC	5.9%	3.42M	13.84M	0	0
Mar 31, 2024	FRANKLIN RESOURCES INC	5.86%	3.4M	13.75M	36.61K	+1.09%
Mar 31, 2024	TWO SIGMA ADVISERS, LP	0.37%	217K	878.85K	87.3K	+67.31%
Mar 31, 2024	BLACKROCK INC.	0.33%	189.7K	768.27K	-58.4K	-23.54%
Mar 31, 2024	MAN GROUP PLC	0.32%	187.59K	759.72K	42.96K	+29.70%
Mar 31, 2024	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.26%	148.4K	601.02K	148.4K	+100.00%
Mar 31, 2024	CITIGROUP INC	0.23%	135.39K	548.35K	-12.42K	-8.40%
Mar 31, 2024	SQUAREPOINT OPS LLC	0.2%	113.23K	458.59K	60.4K	+114.34%
Mar 31, 2024	WELLINGTON MANAGEMENT GROUP LLP	0.19%	112.26K	454.65K	112.26K	+100.00%
Mar 31, 2024	HRT FINANCIAL LP	0.18%	105.12K	425K	105.12K	+100.00%
Mar 31, 2024	NEW YORK LIFE INVESTMENT MANAGEMENT LLC	0.16%	95.09K	385.11K	95.09K	+100.00%
Mar 31, 2024	RA CAPITAL MANAGEMENT, L.P.	25.78%	14.93M	60.47M	0	0
Mar 31, 2024	HUDSON BAY CAPITAL MANAGEMENT LP	0.97%	560K	2.27M	-4.4K	-0.78%
Mar 31, 2024	PATHSTONE HOLDINGS, LLC	0.83%	480.18K	1.94M	1.03K	+0.22%
Mar 31, 2024	SCHONFELD STRATEGIC ADVISORS LLC	0.79%	458.48K	1.86M	-103.06K	-18.35%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.55%	317.9K	1.29M	203.17K	+177.08%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	0.49%	285.14K	1.16M	20.54K	+7.76%
Mar 31, 2024	IKARIAN CAPITAL, LLC	0.46%	266.44K	1.08M	-48.83K	-15.49%
Mar 31, 2024	TANG CAPITAL MANAGEMENT LLC	0.43%	246.9K	999.93K	0	0
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.13%	76.7K	310.64K	-114.4K	-59.86%
Mar 31, 2024	TWO SIGMA INVESTMENTS, LP	0.31%	177.9K	720.5K	-66.52K	-27.21%
Mar 31, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0.29%	167.59K	678.73K	78.96K	+89.10%
Mar 31, 2024	TD ASSET MANAGEMENT INC	0.26%	148.8K	602.64K	148.8K	+100.00%
Mar 31, 2024	MARSHALL WACE, LLP	0.15%	89.71K	363.31K	89.71K	+100.00%
Mar 31, 2024	CATALYST FINANCIAL PARTNERS LLC	0.15%	89.7K	311.26K	0	0
Mar 31, 2024	STATE STREET CORP	0.14%	81.78K	331.2K	-3.3K	-3.88%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	0.14%	80.62K	326.5K	-23.75K	-22.76%
Mar 31, 2024	CAPTION MANAGEMENT, LLC	0.13%	75K	303.75K	35K	+87.50%
Mar 31, 2024	JPMORGAN CHASE & CO	0.12%	71.89K	291.16K	37.95K	+111.78%
Mar 31, 2024	BALYASNY ASSET MANAGEMENT L.P.	0.11%	63.95K	258.99K	43.37K	+210.76%
Mar 31, 2024	SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC	0.11%	62.52K	253.2K	62.52K	+100.00%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	0.11%	61.73K	250K	5.94K	+10.64%
Mar 31, 2024	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.1%	60.04K	243.17K	60.04K	+100.00%
Mar 31, 2024	MARATHON TRADING INVESTMENT MANAGEMENT LLC	0.1%	60K	243K	60K	+100.00%
Mar 31, 2024	NORTHERN TRUST CORP	0.1%	56.77K	229.93K	95	+0.17%
Mar 31, 2024	BREVAN HOWARD CAPITAL MANAGEMENT LP	0.1%	56.37K	228.29K	56.37K	+100.00%
Mar 31, 2024	MORGAN STANLEY	0.08%	48.71K	197.28K	25.59K	+110.64%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	4.54%	2.63M	10.65M	1.13M	+75.86%
Mar 31, 2024	ROCK SPRINGS CAPITAL MANAGEMENT LP	3.97%	2.3M	9.32M	0	0
Mar 31, 2024	FMR LLC	3.61%	2.09M	8.46M	2.09M	+100.00%
Mar 31, 2024	LAURION CAPITAL MANAGEMENT LP	3.27%	1.9M	7.67M	0	0
Mar 31, 2024	VANGUARD GROUP INC	2.88%	1.67M	6.74M	-174.49K	-9.49%
Mar 31, 2024	KNOLLWOOD INVESTMENT ADVISORY, LLC	2.81%	1.63M	6.6M	0	0
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	1.9%	1.1M	4.45M	1.1M	+100.00%
Mar 31, 2024	ALYESKA INVESTMENT GROUP, L.P.	1.62%	939.6K	3.81M	206.4K	+28.15%
Mar 31, 2024	JANE STREET GROUP, LLC	1.04%	600.26K	2.43M	-4.37K	-0.72%
Mar 31, 2024	PARKMAN HEALTHCARE PARTNERS LLC	1%	576.66K	2.34M	-26.84K	-4.45%
Dec 31, 2023	JUMP FINANCIAL, LLC	0.19%	103K	395.52K	69.1K	+203.83%
Dec 31, 2023	Y-INTERCEPT (HONG KONG) LTD	0.04%	19.35K	74.3K	19.35K	+100.00%
Dec 31, 2023	BALYASNY ASSET MANAGEMENT L.P.	0.04%	20.58K	79.02K	20.58K	+100.00%
Dec 31, 2023	SIMPLEX TRADING, LLC	0.04%	21.42K	82K	9.97K	+87.12%
Dec 31, 2023	MORGAN STANLEY	0.04%	23.13K	88.8K	887	+3.99%
Dec 31, 2023	VIRTU FINANCIAL LLC	0.04%	23.79K	91K	23.79K	+100.00%
Dec 31, 2023	AMERICAN CENTURY COMPANIES INC	0.05%	24.73K	94.96K	10.91K	+78.98%
Dec 31, 2023	TOWER RESEARCH CAPITAL LLC (TRC)	0.05%	29.09K	111.7K	26.96K	+1,266.96%
Dec 31, 2023	PRELUDE CAPITAL MANAGEMENT, LLC	0.05%	29.1K	111.74K	29.1K	+100.00%
Dec 31, 2023	INTREPID FINANCIAL PLANNING GROUP LLC	0.06%	30.15K	115.78K	0	0
Dec 31, 2023	EXODUSPOINT CAPITAL MANAGEMENT, LP	0.06%	32.26K	124K	32.26K	+100.00%
Dec 31, 2023	CUBIST SYSTEMATIC STRATEGIES, LLC	0.06%	33.91K	130.2K	33.91K	+100.00%
Dec 31, 2023	JPMORGAN CHASE & CO	0.06%	33.95K	130.35K	22.92K	+207.89%
Dec 31, 2023	CAPTION MANAGEMENT, LLC	0.07%	40K	153.6K	0	0
Dec 31, 2023	BARCLAYS PLC	0.09%	47.35K	182K	24.92K	+111.13%
Dec 31, 2023	SQUAREPOINT OPS LLC	0.1%	52.83K	202.86K	52.83K	+100.00%
Dec 31, 2023	DIMENSIONAL FUND ADVISORS LP	0.1%	55.79K	214.24K	-19.81K	-26.20%
Dec 31, 2023	NORTHERN TRUST CORP	0.1%	56.68K	217.64K	488	+0.87%
Dec 31, 2023	683 CAPITAL MANAGEMENT, LLC	0.14%	78.43K	301.18K	78.43K	+100.00%
Dec 31, 2023	BOOTHBAY FUND MANAGEMENT, LLC	0.15%	82.18K	315.58K	21K	+34.32%
Dec 31, 2023	STATE STREET CORP	0.16%	85.08K	326.7K	25.3K	+42.32%
Dec 31, 2023	QUBE RESEARCH & TECHNOLOGIES LTD	0.16%	88.63K	340.32K	62.51K	+239.39%
Dec 31, 2023	CATALYST FINANCIAL PARTNERS LLC	0.17%	89.7K	344.44K	0	0
Dec 31, 2023	ACADIAN ASSET MANAGEMENT LLC	0.17%	91.5K	350K	91.5K	+100.00%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0.19%	104.37K	400.78K	87.89K	+533.50%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.21%	114.73K	440.57K	57.43K	+100.23%
Dec 31, 2023	TWO SIGMA ADVISERS, LP	0.24%	129.7K	498.05K	109.61K	+545.66%
Dec 31, 2023	CITADEL ADVISORS LLC	0.24%	131.12K	503.49K	130.88K	+56,415.52%
Dec 31, 2023	D. E. SHAW & CO., INC.	0.25%	138.03K	530.03K	138.03K	+100.00%
Dec 31, 2023	MAN GROUP PLC	0.27%	144.63K	555.38K	144.63K	+100.00%
Dec 31, 2023	CITIGROUP INC	0.27%	147.81K	567.59K	109.31K	+283.94%
Dec 31, 2023	TWO SIGMA INVESTMENTS, LP	0.45%	244.42K	938.56K	112.07K	+84.67%
Dec 31, 2023	TANG CAPITAL MANAGEMENT LLC	0.46%	246.9K	948.08K	246.9K	+100.00%
Dec 31, 2023	BLACKROCK INC.	0.46%	248.1K	952.69K	-335.32K	-57.48%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	0.49%	264.6K	1.02M	0	0
Dec 31, 2023	IKARIAN CAPITAL, LLC	0.58%	315.27K	1.21M	0	0
Dec 31, 2023	SCHONFELD STRATEGIC ADVISORS LLC	1.04%	561.54K	2.16M	-83.57K	-12.95%
Dec 31, 2023	HUDSON BAY CAPITAL MANAGEMENT LP	1.04%	564.4K	2.17M	39.4K	+7.50%
Dec 31, 2023	PARKMAN HEALTHCARE PARTNERS LLC	1.11%	603.5K	2.32M	103.68K	+20.74%
Dec 31, 2023	JANE STREET GROUP, LLC	1.11%	604.62K	2.32M	587.83K	+3,501.50%
Dec 31, 2023	ALYESKA INVESTMENT GROUP, L.P.	1.35%	733.2K	2.82M	119.38K	+19.45%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	2.76%	1.5M	5.74M	-221.01K	-12.88%
Dec 31, 2023		0.88%	479.15K	1.84M	479.15K	+100.00%
Dec 31, 2023	VANGUARD GROUP INC	3.39%	1.84M	7.06M	-17K	-0.92%
Dec 31, 2023	LAURION CAPITAL MANAGEMENT LP	3.49%	1.9M	7.28M	0	0
Dec 31, 2023	ROCK SPRINGS CAPITAL MANAGEMENT LP	4.24%	2.3M	8.83M	-512.52K	-18.22%
Dec 31, 2023	FRANKLIN RESOURCES INC	6.19%	3.36M	12.9M	520.04K	+18.32%
Dec 31, 2023	SANDS CAPITAL VENTURES, LLC	6.3%	3.42M	13.12M	0	0
Dec 31, 2023	RA CAPITAL MANAGEMENT, L.P.	27.53%	14.93M	57.34M	0	0
Sep 30, 2023	FRANKLIN RESOURCES INC	6.92%	2.84M	-	2.84M	+100.00%
Sep 30, 2023	LMR PARTNERS LLP	0%	0	-	-14.66K	-100.00%
Sep 30, 2023	BAYSTATE WEALTH MANAGEMENT LLC	0%	0	-	-18.02K	-100.00%
Sep 30, 2023	WMS PARTNERS, LLC	0%	0	-	-98.3K	-100.00%
Sep 30, 2023	BALYASNY ASSET MANAGEMENT L.P.	0%	0	-	-30.22K	-100.00%
Sep 30, 2023	D. E. SHAW & CO., INC.	0%	0	-	-60.5K	-100.00%
Sep 30, 2023	ROYAL BANK OF CANADA	0%	0	-	-296	-100.00%
Sep 30, 2023	GROUP ONE TRADING, L.P.	0%	0	-	-32.8K	-100.00%
Sep 30, 2023	UBS GROUP AG	0%	100	-	100	+100.00%
Sep 30, 2023	DAIWA SECURITIES GROUP INC.	0%	165	-	0	0
Sep 30, 2023	WELLS FARGO & COMPANY/MN	0%	194	-	-1.91K	-90.77%
Sep 30, 2023	ADVISOR GROUP HOLDINGS, INC.	0%	200	-	200	+100.00%
Sep 30, 2023	FMR LLC	0%	657	-	180	+37.74%
Sep 30, 2023	CHINA UNIVERSAL ASSET MANAGEMENT CO., LTD.	0%	1.48K	-	943	+175.28%
Sep 30, 2023	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	2.13K	-	-1.45K	-40.48%
Sep 30, 2023	CUTLER GROUP LLC / CA	0.01%	2.5K	-	1.08K	+76.06%
Sep 30, 2023	ZURCHER KANTONALBANK (ZURICH CANTONALBANK)	0.01%	3.39K	-	3.39K	+100.00%
Sep 30, 2023	SIMPLEX TRADING, LLC	0.03%	11.45K	-	6.9K	+151.83%
Sep 30, 2023	CHICAGO PARTNERS INVESTMENT GROUP LLC	0.03%	13.58K	-	13.58K	+100.00%
Sep 30, 2023	INTEGRATED WEALTH CONCEPTS LLC	0.03%	13.6K	-	13.6K	+100.00%
Sep 30, 2023	AMERICAN CENTURY COMPANIES INC	0.03%	13.82K	-	13.82K	+100.00%
Sep 30, 2023	XTX TOPCO LTD	0.04%	16.54K	-	16.54K	+100.00%
Sep 30, 2023	JANE STREET GROUP, LLC	0.04%	16.79K	-	16.79K	+100.00%
Sep 30, 2023	PINNACLE WEALTH MANAGEMENT ADVISORY GROUP, LLC	0.04%	18.02K	-	0	0
Sep 30, 2023	RA CAPITAL MANAGEMENT, L.P.	36.4%	14.93M	-	5.16M	+52.82%
Sep 30, 2023	PINNACLE ASSOCIATES LTD	0.04%	18.02K	-	0	0
Sep 30, 2023	TWO SIGMA ADVISERS, LP	0.05%	20.09K	-	20.09K	+100.00%
Sep 30, 2023	MORGAN STANLEY	0.05%	22.24K	-	6.92K	+45.13%
Sep 30, 2023	BARCLAYS PLC	0.05%	22.43K	-	-2.97K	-11.69%
Sep 30, 2023	QUBE RESEARCH & TECHNOLOGIES LTD	0.06%	26.11K	-	26.11K	+100.00%
Sep 30, 2023	INTREPID FINANCIAL PLANNING GROUP LLC	0.07%	30.15K	-	10K	+49.63%
Sep 30, 2023	JUMP FINANCIAL, LLC	0.08%	33.9K	-	33.9K	+100.00%
Sep 30, 2023	CITIGROUP INC	0.09%	38.5K	-	37.8K	+5,423.39%
Sep 30, 2023	CAPTION MANAGEMENT, LLC	0.1%	40K	-	40K	+100.00%
Sep 30, 2023	DEKABANK DEUTSCHE GIROZENTRALE	0.1%	40K	-	40K	+100.00%
Sep 30, 2023	NORTHERN TRUST CORP	0.14%	56.19K	-	24.1K	+75.08%
Sep 30, 2023	GOLDMAN SACHS GROUP INC	0.14%	57.3K	-	43.73K	+322.19%
Sep 30, 2023	DIMENSIONAL FUND ADVISORS LP	0.18%	75.6K	-	6.62K	+9.60%
Sep 30, 2023	CATALYST FINANCIAL PARTNERS LLC	0.22%	89.7K	-	0	0
Sep 30, 2023	TWO SIGMA INVESTMENTS, LP	0.32%	132.35K	-	105.72K	+396.91%
Sep 30, 2023	GEODE CAPITAL MANAGEMENT, LLC	0.65%	264.6K	-	97.78K	+58.62%
Sep 30, 2023	IKARIAN CAPITAL, LLC	0.77%	315.27K	-	-339.68K	-51.86%
Sep 30, 2023	PATHSTONE FAMILY OFFICE, LLC	1.17%	478.79K	-	11.73K	+2.51%
Sep 30, 2023	HUDSON BAY CAPITAL MANAGEMENT LP	1.28%	525K	-	130K	+32.91%
Sep 30, 2023	BLACKROCK INC.	1.42%	583.41K	-	100.09K	+20.71%
Sep 30, 2023	SCHONFELD STRATEGIC ADVISORS LLC	1.57%	645.11K	-	645.11K	+100.00%
Sep 30, 2023	ALTIUM CAPITAL MANAGEMENT LP	1.58%	650K	-	650K	+100.00%
Sep 30, 2023		3.97%	1.63M	-	-50K	-2.98%
Sep 30, 2023	ROCK SPRINGS CAPITAL MANAGEMENT LP	6.86%	2.81M	-	2.81M	+100.00%

Insiders

Among the ABOS insiders holding of 7.03% of the stake in company, RA CAPITAL MANAGEMENT, L.P., , holds the largest shares of 13.04M. HARDIE ROBERT D., 10 percent owner, is the second largest ABOS insider with ownership of 3.95M shares. SANDS CAPITAL VENTURES DISCOVERY FUND III, L.P., 10 percent owner, stands third with possession of 3.42M shares of that stake.

Insiders	Designation	Shares Held
RA CAPITAL MANAGEMENT, L.P.		13.04M
HARDIE ROBERT D.	10 percent owner	3.95M
SANDS CAPITAL VENTURES DISCOVERY FUND III, L.P.	10 percent owner	3.42M
MANNING PAUL B	10 percent owner	3.35M
OCONNELL DANIEL JOSEPH	Chief Executive Officer	881.28K
ZUGA MATT	CFO & Chief Business Officer	304.92K
SIEMERS ERIC	Chief Medical Officer	255.37K
BARTON RUSSELL	Chief Operating Officer	205.09K
MEISNER DEREK M	Chief Legal Officer & Corp Sec	174K
STALFORT JOHN A III	director	172.32K
DOHERTY JAMES J.	President and CDO	54.03K
KOGOD DENNIS	director	10K
SCHACTERLE AMY	Chief Regulatory Officer	7.7K
FOUNTAIN NATHAN B	director	6.25K
STOVER JACK E	director	1K
IVES JEFFREY L.	director	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Jan 28, 2026	MEISNER DEREK M	SALE	3.00	2.67K	8.02K	174K
Jan 26, 2026	MEISNER DEREK M	SALE	3.00	15.09K	45.26K	174K
Jan 23, 2026	MEISNER DEREK M	SALE	1.90	5.63K	10.72K	174K
Jan 22, 2026	SIEMERS ERIC	SALE	1.82	895	1.63K	255.37K
Jan 22, 2026	BARTON RUSSELL	SALE	1.84	462	850.08	205.09K
Jan 22, 2026	MEISNER DEREK M	SALE	1.84	1.05K	1.94K	179.63K
Jan 22, 2026	ZUGA MATT	SALE	1.86	1.69K	3.14K	304.92K
Jan 22, 2026	OCONNELL DANIEL JOSEPH	SALE	1.88	2.69K	5.07K	881.28K
Jan 21, 2026	ZUGA MATT	SALE	1.81	2.47K	4.47K	306.61K
Jan 21, 2026	BARTON RUSSELL	SALE	1.81	2.32K	4.18K	205.55K
Jan 21, 2026	MEISNER DEREK M	SALE	1.81	2.25K	4.06K	180.69K
Jan 21, 2026	SIEMERS ERIC	SALE	1.80	2.33K	4.2K	256.27K
Jan 21, 2026	OCONNELL DANIEL JOSEPH	SALE	1.81	9.35K	16.93K	883.96K
Jan 12, 2026	OCONNELL DANIEL JOSEPH	SALE	1.73	5.39K	9.31K	593.51K
Jan 12, 2026	MEISNER DEREK M	SALE	1.71	8.55K	14.66K	83.8K
Jan 09, 2026	MEISNER DEREK M	SALE	1.76	5.2K	9.17K	92.35K
Jan 09, 2026	OCONNELL DANIEL JOSEPH	SALE	1.76	12.94K	22.83K	598.9K
Jan 08, 2026	MEISNER DEREK M	SALE	1.82	30.09K	54.87K	97.55K
Jan 08, 2026	ZUGA MATT	SALE	1.82	6.89K	12.51K	209.95K
Jan 08, 2026	OCONNELL DANIEL JOSEPH	SALE	1.82	8.14K	14.82K	611.84K
Jan 08, 2026	DOHERTY JAMES J.	SALE	1.82	6.47K	11.77K	54.03K
Jan 08, 2026	BARTON RUSSELL	SALE	1.86	3.53K	6.56K	123.27K
Jan 07, 2026	SCHACTERLE AMY	SALE	1.98	1.1K	2.18K	7.7K
Jan 07, 2026	OCONNELL DANIEL JOSEPH	SALE	1.99	37.76K	74.98K	619.98K
Jan 07, 2026	MEISNER DEREK M	SALE	1.99	10.07K	20.04K	134.46K
Jan 07, 2026	BARTON RUSSELL	SALE	1.99	1.7K	3.38K	126.8K
Jan 07, 2026	DOHERTY JAMES J.	SALE	1.99	1.7K	3.38K	60.5K
Jan 07, 2026	ZUGA MATT	SALE	1.99	1.7K	3.38K	216.84K
Jan 06, 2026	ZUGA MATT	SALE	1.97	5.1K	10.03K	222.64K
Jan 06, 2026	MEISNER DEREK M	SALE	1.97	3.8K	7.48K	146.23K
Jan 06, 2026	BARTON RUSSELL	SALE	1.97	3.62K	7.11K	128.5K
Jan 06, 2026	OCONNELL DANIEL JOSEPH	SALE	1.97	5.1K	10.03K	657.74K
Jan 06, 2026	SIEMERS ERIC	SALE	1.97	6.83K	13.44K	159.46K
Jan 05, 2026	BARTON RUSSELL	SALE	1.96	4K	7.83K	132.12K
Jan 05, 2026	MEISNER DEREK M	SALE	1.96	4K	7.84K	157.13K
Jan 05, 2026	OCONNELL DANIEL JOSEPH	SALE	1.97	4.65K	9.16K	662.84K
Jan 05, 2026	ZUGA MATT	SALE	1.96	4K	7.84K	227.74K
Jan 05, 2026	SIEMERS ERIC	SALE	1.96	4K	7.83K	166.3K
Jan 23, 2025	ZUGA MATT	SALE	1.72	28.9K	49.63K	231.74K
Jan 21, 2025	OCONNELL DANIEL JOSEPH	SALE	1.59	12.62K	20.1K	667.49K
Jan 21, 2025	BARTON RUSSELL	SALE	1.61	2.91K	4.69K	136.12K
Jan 21, 2025	MEISNER DEREK M	SALE	1.59	3.42K	5.43K	161.13K
Jan 21, 2025	SIEMERS ERIC	SALE	1.59	3.22K	5.12K	170.3K
Jan 21, 2025	ZUGA MATT	SALE	1.60	4.36K	6.99K	260.65K
Jan 03, 2025	ZUGA MATT	SALE	1.84	13.24K	24.37K	198.21K
Jan 03, 2025	MEISNER DEREK M	SALE	1.84	11.12K	20.51K	97.75K
Jan 03, 2025	OCONNELL DANIEL JOSEPH	SALE	1.84	47.78K	87.87K	454.71K
Jan 03, 2025	BARTON RUSSELL	SALE	1.86	7.64K	14.23K	89.23K
Jan 03, 2025	SIEMERS ERIC	SALE	1.85	10.86K	20.05K	106.72K
Jan 19, 2024	MEISNER DEREK M	SALE	3.48	8.93K	31.05K	108.87K
Jan 19, 2024	OCONNELL DANIEL JOSEPH	SALE	3.47	15.2K	52.75K	502.49K
Jan 18, 2024	SIEMERS ERIC	SALE	3.71	3.12K	11.6K	117.58K
Jan 18, 2024	ZUGA MATT	SALE	3.71	4.24K	15.72K	211.45K
Jan 18, 2024	BARTON RUSSELL	SALE	3.73	2.83K	10.56K	96.87K
Aug 17, 2023	IVES JEFFREY L.	SALE	6.66	2.8K	18.65K	0
Jul 21, 2023	RA CAPITAL MANAGEMENT, L.P.	PURCHASE	7.75	5.16M	40M	13.04M
Jul 06, 2021	HARDIE ROBERT D.	PURCHASE	16.00	750K	12M	3.95M
Jul 06, 2021	STALFORT JOHN A III	PURCHASE	16.00	35K	560K	172.32K
Jul 06, 2021	MANNING PAUL B	PURCHASE	16.00	312.5K	5M	3.35M
Jul 06, 2021	SANDS CAPITAL VENTURES DISCOVERY FUND III, L.P.	PURCHASE	14.88	450K	6.7M	3.42M
Jul 06, 2021	FOUNTAIN NATHAN B	PURCHASE	16.00	6.25K	100K	6.25K
Jul 06, 2021	RA CAPITAL MANAGEMENT, L.P.	PURCHASE	16.00	115.67K	1.85M	1.3M
Sep 15, 2006	STOVER JACK E	PURCHASE	0.70	1K	700	1K
Jun 12, 2006	KOGOD DENNIS	PURCHASE	1.12	10K	11.2K	10K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES235.21K38

NET SHARES-235.21K38

SHARES HELD10.47M38

% NET SHARES-102.25%0%

Frequently Asked Questions