ANAPTYSBIO INC (ANAB) is held by 113 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling ANAB?

In Q1 2026, 60 institutions opened or increased positions in ANAPTYSBIO INC while 51 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on ANAB?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ANAPTYSBIO INC.

How many hedge funds hold ANAB?

113 institutional investors report holding ANAPTYSBIO INC (ANAB) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into ANAB?

As of Q1 2026, tracked institutions in ANAPTYSBIO INC show 60 buyers versus 51 sellers — net inflows.

ANAPTYSBIO INC

ANAB·032724106·US·Common Stock·Healthcare - Biotechnology-13D/G

113

Holders

Avg rating(22 Elite)

$765.5M

Total Value

54% (119)

Fund Consensus

60 buying - 51 selling

Smart Money Verdict

View all

Held by 113 funds

22 elite

Who's Trading

ActivistSISirenia Capital Management LP6.7%May 15, 2026

Activist

Point72 Asset Management, L.P.0.2%May 15, 2026

InsiderSPSchmid John P.Sell $702KMar 30, 2026

InsiderSPSchmid John P.Sell $427KMar 30, 2026

InsiderSPSchmid John P.Sell $30KMar 30, 2026

InsiderFDFaga DanielSell $29KMar 27, 2026

InsiderFDFaga DanielSell $149KMar 27, 2026

InsiderFDFaga DanielSell $215KMar 27, 2026

InsiderFDFaga DanielSell $29KMar 27, 2026

InsiderFDFaga DanielSell $33KMar 27, 2026

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	1.7M(-3.1%)	$93.2M	0.0%	+393.08%	0
MORGAN STANLEY	Decreased	993,905(-3.9%)	$55.1M	0.0%	+197.80%	0
STATE STREET CORP	Decreased	992,445(-5.8%)	$55M	0.0%	+170.00%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	853,151	$47.3M	0.0%	+25.67%	40
DED. E. Shaw & Co., Inc.	Decreased	579,296(-13.6%)	$32.1M	0.0%	+88.47%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	520,241(+10.8%)	$28.9M	0.0%	+55.07%	32
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	519,870	$28.8M	0.0%	+25.67%	40
BANK OF AMERICA CORP /DE/	Increased	501,086(+283.2%)	$27.8M	0.0%	+50.30%	46
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Decreased	492,120(-12.1%)	$27.3M	0.0%	+110.79%	0
MILLENNIUM MANAGEMENT LLC	Decreased	475,572(-41.5%)	$26.4M	0.0%	+186.32%	0
FMR LLC	Increased	472,704(+1643.8%)	$26.2M	0.0%	+31.31%	46
TWO SIGMA INVESTMENTS, LP	Increased	465,083(+81.2%)	$25.8M	0.0%	+87.97%	44
FEDERATED HERMES, INC.	Increased	364,121(+21.6%)	$20.2M	0.0%	+84.47%	34
Woodline Partners LP	Decreased	344,256(-31.3%)	$19.1M	0.1%	+187.82%	0
GOLDMAN SACHS GROUP INC	Decreased	332,743(-16.6%)	$18.5M	0.0%	+223.17%	0
Nuveen, LLC	Decreased	316,065(-0.2%)	$17.5M	0.0%	+202.79%	0
SOSquarepoint Ops LLC	Increased	267,703(+66.5%)	$14.8M	0.0%	+52.54%	41
Qube Research & Technologies Ltd	Increased	254,736(+133.8%)	$14.1M	0.0%	+30.53%	45
CITADEL ADVISORS LLC	Increased	233,450(+113.2%)	$12.9M	0.0%	+38.78%	45
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	192,687(-3.0%)	$10.7M	0.0%	+58.06%	0