AnaptysBio (ANAB) Institutional Ownership

$57.46 +1.62 (+2.90%)

As of 09/3/2026 04:00 PM Eastern

Number of Institutional Buyers (last 12 months): 100
Total Institutional Inflows (last 12 months): $546.73M

Number of Institutional Sellers (last 12 months): 52
Total Institutional Outflows (last 12 months): $336.06M

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ANAB Institutional Buying and Selling by Quarter

AnaptysBio Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
8/25/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	17,250	$1.16M	0.0%	N/A	0.058%
8/24/2026	California State Teachers Retirement System	1,189,958	$80.32M	0.0%	+8,399.7%	4.019%
8/23/2026	Irenic Capital Management LP	70,447	$4.76M	0.2%	N/A	0.238%
8/20/2026	Ancora Advisors LLC	5,000	$338K	0.0%	N/A	0.017%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	23,310	$1.57M	0.0%	-24.1%	0.079%
8/19/2026	Hsbc Holdings PLC	216,949	$14.93M	0.0%	+72.6%	0.733%
8/19/2026	Wellington Management Group LLP	41,796	$2.82M	0.0%	-10.8%	0.141%
8/18/2026	Palo Alto Investors LP	603,489	$40.74M	0.0%	N/A	2.038%
8/18/2026	Empowered Funds LLC	206,010	$13.91M	0.1%	N/A	0.696%
8/17/2026	Bank of America Corp DE	417,812	$28.20M	0.0%	N/A	1.411%
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8/15/2026	Jupiter Topco LLC	7,464	$504K	0.0%	N/A	0.025%
8/14/2026	ADAR1 Capital Management LLC	3,698	$250K	0.0%	N/A	0.012%
8/14/2026	Hsbc Holdings PLC	216,949	$14.93M	0.0%	N/A	0.733%
8/14/2026	Ancora Advisors LLC	5,000	$338K	0.0%	N/A	0.017%
8/14/2026	Canada Pension Plan Investment Board	16,500	$1.11M	0.0%	N/A	0.056%
8/14/2026	Legal & General Group Plc	16,415	$1.11M	0.0%	N/A	0.055%
8/14/2026	The Manufacturers Life Insurance Company	10,366	$700K	0.0%	N/A	0.035%
8/14/2026	Group One Trading LLC	2,074	$140K	0.0%	N/A	0.007%
8/13/2026	Cibc World Market Inc.	8,700	$587K	0.0%	N/A	0.029%
8/13/2026	Connor Clark & Lunn Investment Management Ltd.	141,026	$9.52M	0.0%	N/A	0.476%
8/13/2026	Clear Harbor Asset Management LLC	11,550	$780K	0.0%	N/A	0.039%
8/11/2026	E Fund Management Co. Ltd.	3,083	$208K	0.0%	N/A	0.010%
8/11/2026	Latash Investments LLC	4,393	$297K	0.2%	N/A	0.015%
8/10/2026	DCF Advisers LLC	9,114	$615K	0.1%	N/A	0.031%
8/7/2026	BlackRock Inc.	1,844,049	$124.47M	0.0%	N/A	6.228%
8/7/2026	Deutsche Bank AG	46,884	$3.17M	0.0%	N/A	0.158%
8/7/2026	Persistent Asset Partners Ltd	575	$39K	0.0%	N/A	0.002%
8/6/2026	Bank of New York Mellon Corp	56,401	$3.81M	0.0%	N/A	0.190%
8/6/2026	State of Wyoming	2,347	$158K	0.0%	N/A	0.008%
7/10/2026	Tema ETFs LLC	31,270	$2.11M	0.1%	+0.6%	0.106%
5/27/2026	Allen Capital Group LLC	4,124	$229K	0.0%	N/A	0.014%
5/26/2026	Glenmede Trust Co. NA	6,381	$354K	0.0%	-13.1%	0.022%
5/19/2026	Bank of America Corp DE	501,086	$27.79M	0.0%	+283.2%	1.722%
5/18/2026	ADAR1 Capital Management LLC	3,698	$205K	0.0%	N/A	0.013%
5/18/2026	Royal Bank of Canada	4,219	$234K	0.0%	+145.6%	0.014%
5/18/2026	Eversept Partners LP	27,089	$1.50M	0.1%	-77.6%	0.093%
5/16/2026	The Manufacturers Life Insurance Company	10,166	$564K	0.0%	+78.9%	0.035%
5/16/2026	Quantinno Capital Management LP	6,084	$337K	0.0%	-5.4%	0.021%
5/16/2026	First Light Asset Management LLC	565,431	$31.36M	2.8%	-12.5%	1.943%
5/15/2026	Granahan Investment Management LLC	66,182	$3.67M	0.2%	-47.4%	0.227%
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5/15/2026	Affinity Asset Advisors LLC	940,000	$52.13M	2.7%	+111.4%	3.230%
5/14/2026	Renaissance Technologies LLC	90,900	$5.04M	0.0%	+19.1%	0.312%
5/14/2026	Arrowstreet Capital Limited Partnership	492,120	$27.29M	0.0%	-12.1%	1.691%
5/14/2026	Sei Investments Co.	7,654	$424K	0.0%	+54.1%	0.026%
5/14/2026	Walleye Capital LLC	18,425	$1.02M	0.0%	N/A	0.063%
5/5/2026	Bank of New York Mellon Corp	51,115	$2.84M	0.0%	-7.6%	0.176%
5/5/2026	Hillsdale Investment Management Inc.	4,620	$256K	0.0%	N/A	0.016%
5/4/2026	Bleakley Financial Group LLC	43,120	$2.39M	0.0%	-1.0%	0.148%
4/30/2026	Hsbc Holdings PLC	125,717	$7.14M	0.0%	N/A	0.432%
4/27/2026	Moran Wealth Management LLC	4,064	$225K	0.0%	N/A	0.014%
4/27/2026	Y Intercept Hong Kong Ltd	22,701	$1.26M	0.0%	-31.4%	0.079%
4/22/2026	Ground Swell Capital LLC	7,610	$422K	0.8%	N/A	0.026%
4/16/2026	SG Americas Securities LLC	24,851	$1.38M	0.0%	+138.3%	0.086%
3/3/2026	Caitong International Asset Management Co. Ltd	1,530	$74K	0.0%	+940.8%	0.006%
2/19/2026	Invesco Ltd.	124,006	$6.01M	0.0%	+192.6%	0.448%
2/18/2026	Mackenzie Financial Corp	24,228	$1.17M	0.0%	N/A	0.088%
2/18/2026	XTX Topco Ltd	38,637	$1.87M	0.0%	+113.3%	0.140%
2/18/2026	nVerses Capital LLC	4,438	$215K	0.5%	N/A	0.016%
2/18/2026	Voloridge Investment Management LLC	229,137	$11.11M	0.0%	+2,358.3%	0.828%
2/18/2026	Virtus Investment Advisers LLC	5,919	$287K	0.1%	+21.8%	0.021%
2/18/2026	Wellington Management Group LLP	61,187	$2.97M	0.0%	-8.3%	0.221%
2/18/2026	SummitTX Capital L.P.	6,528	$316K	0.0%	N/A	0.024%
2/18/2026	Susquehanna Portfolio Strategies LLC	35,948	$1.74M	0.0%	+1.4%	0.130%
2/18/2026	Tang Capital Management LLC	1,332,087	$64.58M	3.2%	-0.1%	4.811%
2/18/2026	Tudor Investment Corp ET AL	17,305	$839K	0.0%	+24.8%	0.063%
2/18/2026	Quadrature Capital Ltd	24,280	$1.18M	0.0%	N/A	0.088%
2/18/2026	Millennium Management LLC	813,571	$39.44M	0.0%	-46.8%	2.938%
2/18/2026	Engineers Gate Manager LP	10,880	$527K	0.0%	-62.7%	0.039%
2/18/2026	Eversept Partners LP	120,927	$5.86M	0.3%	N/A	0.437%
2/18/2026	683 Capital Management LLC	648,093	$31.42M	1.4%	+18.5%	2.341%
2/17/2026	Schonfeld Strategic Advisors LLC	24,431	$1.18M	0.0%	N/A	0.088%
2/17/2026	First Light Asset Management LLC	646,238	$31.33M	2.4%	-34.7%	2.334%
2/17/2026	Trexquant Investment LP	58,809	$2.85M	0.0%	-47.4%	0.212%
2/17/2026	Jump Financial LLC	120,217	$5.83M	0.1%	+46.5%	0.434%
2/17/2026	Price T Rowe Associates Inc. MD	26,005	$1.26M	0.0%	-91.3%	0.094%
2/17/2026	Osaic Holdings Inc.	27,737	$1.34M	0.0%	+1,427.4%	0.100%
2/17/2026	Russell Investments Group Ltd.	19,714	$956K	0.0%	-42.1%	0.071%
2/17/2026	Granahan Investment Management LLC	125,855	$6.10M	0.3%	-14.8%	0.455%
2/17/2026	State of Wisconsin Investment Board	8,955	$434K	0.0%	N/A	0.032%
2/17/2026	ExodusPoint Capital Management LP	83,313	$4.04M	0.0%	+214.4%	0.301%
2/17/2026	Royal Bank of Canada	1,718	$83K	0.0%	+987.3%	0.006%
2/16/2026	Squarepoint Ops LLC	160,731	$7.79M	0.0%	+136.3%	0.580%
2/16/2026	Sofinnova Investments Inc.	287,690	$13.95M	0.6%	+13.1%	1.039%
2/16/2026	Panagora Asset Management Inc.	20,872	$1.01M	0.0%	-67.3%	0.075%
2/16/2026	Entropy Technologies LP	8,300	$402K	0.0%	N/A	0.030%
2/16/2026	Barclays PLC	59,654	$2.89M	0.0%	-6.0%	0.215%
2/13/2026	The Manufacturers Life Insurance Company	5,682	$275K	0.0%	-15.4%	0.021%
2/13/2026	Affinity Asset Advisors LLC	444,692	$21.56M	1.2%	N/A	1.606%
2/13/2026	Smartleaf Asset Management LLC	835	$40K	0.0%	+5,864.3%	0.003%
2/13/2026	Bridgefront Capital LLC	8,549	$414K	0.1%	N/A	0.031%
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2/13/2026	Jacobs Levy Equity Management Inc.	55,088	$2.67M	0.0%	-85.4%	0.199%
2/13/2026	Rafferty Asset Management LLC	35,310	$1.71M	0.0%	+17.4%	0.128%
2/13/2026	Headlands Technologies LLC	25,278	$1.23M	0.1%	N/A	0.091%
2/13/2026	Charles Schwab Investment Management Inc.	198,660	$9.63M	0.0%	-3.8%	0.717%
2/13/2026	Police & Firemen s Retirement System of New Jersey	5,641	$273K	0.0%	+23.7%	0.020%
2/13/2026	State Street Corp	1,053,474	$51.07M	0.0%	+20.6%	3.805%
2/13/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	30,508	$1.48M	0.0%	-8.3%	0.110%
2/13/2026	Wells Fargo & Company MN	22,207	$1.08M	0.0%	+61.6%	0.080%
2/12/2026	Orion Porfolio Solutions LLC	14,697	$713K	0.0%	+7.0%	0.053%
2/12/2026	MetLife Investment Management LLC	10,327	$501K	0.0%	-13.4%	0.037%

ANAB Institutional Ownership - Frequently Asked Questions

During the previous two years, 181 institutional investors and hedge funds held shares of AnaptysBio. The most heavily invested institutionals were EcoR1 Capital LLC ($146.49M), BlackRock Inc. ($124.47M), FMR LLC ($110.86M), California State Teachers Retirement System ($80.32M), Vanguard Group Inc. ($74.86M), Tang Capital Management LLC ($64.58M), and Affinity Asset Advisors LLC ($52.13M).Learn more on AnaptysBio's institutional investors.

Of the 162 institutional investors that purchased AnaptysBio's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: First Light Asset Management LLC ($3.76M), BlackRock Inc. ($1.84M), Fairmount Funds Management LLC ($1.82M), Boxer Capital Management LLC ($1.30M), California State Teachers Retirement System ($1.18M), Assenagon Asset Management S.A. ($991.79K), and Affinity Asset Advisors LLC ($940K).

Institutional investors have bought a total of 9,829,037 shares in the last 24 months. This purchase volume represents approximately $546.73M in transactions.

Of the 52 institutional investors that sold AnaptysBio's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: First Light Asset Management LLC ($2.97M), UBS Group AG ($1.20M), Citigroup Inc. ($975.95K), Bank of America Corp DE ($949.56K), Millennium Management LLC ($715.76K), JPMorgan Chase & Co. ($465.55K), and Victory Capital Management Inc. ($328.03K).

Institutional investors have sold a total of 9,548,224 shares in the last 24 months. This volume of shares sold represents approximately $336.06M in transactions.

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Institutional ownership data for NASDAQ:ANAB is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/25/2026. New 13F filings are added each quarter as they're published.

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AnaptysBio (ANAB) Institutional Ownership

ANAB Institutional Buying and Selling by Quarter

AnaptysBio Major Shareholders & Ownership History

ANAB Institutional Ownership - Frequently Asked Questions

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AnaptysBio (ANAB) Institutional Ownership

Institutional Ownership Changes (13F Filings) for AnaptysBio (NASDAQ:ANAB)

ANAB Institutional Buying and Selling by Quarter

AnaptysBio Major Shareholders & Ownership History

ANAB Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ANAB shares?

Which institutional investors have been buying AnaptysBio's stock?

How much institutional buying is happening at AnaptysBio?

Which of AnaptysBio's major shareholders have been selling company stock?

How much institutional selling is happening at AnaptysBio?

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