ANAPTYSBIO INC

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

ANAB (ANAPTYSBIO INC) is held by 119 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($124.5M), STATE STREET CORP ($86.8M), VANGUARD CAPITAL MANAGEMENT LLC ($61.2M). Net institutional sentiment: Mixed.

119

Holders

(9 Elite)

$1B

Total Value

62% (124)

Consensus

77 buying - 47 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)47

Insider (Form 4)32

Activist (13D/13G)40

Congressional (STOCK Act)51

Holder Quality

27

★★★★★

Elite

19

★★★★

Strong

35

★★★

Solid

73

★★

Below

20

★

Weak

Held by 119 funds

9 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders Apr 1, 2026 · Activists Aug 14, 2026 · Congress none

ActivistSISirenia Capital Management LP5.0%Aug 14, 2026

ActivistPoint72 Asset Management, L.P.0.2%May 15, 2026

ActivistSISirenia Capital Management LP6.7%May 15, 2026

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Top Holders

Top Holders (119)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	1.8M(+9.7%)	$124.5M	0.0%	+218.14%	33
STATE STREET CORP	Increased	1.3M(+29.6%)	$86.8M	0.0%	+68.66%	38
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	906,233(+6.2%)	$61.2M	0.0%	+8.03%	31
MILLENNIUM MANAGEMENT LLC	Increased	807,316(+69.8%)	$54.5M	0.0%	+40.11%	44
Woodline Partners LP	Increased	717,014(+108.3%)	$48.4M	0.1%	+25.63%	56
GEODE CAPITAL MANAGEMENT, LLC	Increased	637,873(+22.6%)	$43.1M	0.0%	+48.60%	35
GOLDMAN SACHS GROUP INC	Increased	584,070(+75.5%)	$39.4M	0.0%	+42.34%	44
DED. E. Shaw & Co., Inc.	Decreased	539,666(-6.8%)	$36.4M	0.0%	+64.65%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	527,858(+1.5%)	$35.6M	0.0%	+9.33%	29
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Decreased	488,651(-0.7%)	$33M	0.0%	+84.16%	0
Nuveen, LLC	Increased	420,664(+33.1%)	$28.4M	0.0%	+74.39%	37
BANK OF AMERICA CORP /DE/	Decreased	417,812(-16.6%)	$28.2M	0.0%	+31.31%	0
CITADEL ADVISORS LLC	Increased	394,373(+68.9%)	$26.6M	0.0%	+3.83%	42
FEDERATED HERMES, INC.	Increased	391,667(+7.6%)	$26.4M	0.0%	+51.81%	31
SOSquarepoint Ops LLC	Increased	324,446(+21.2%)	$21.9M	0.0%	+21.55%	34
TWO SIGMA INVESTMENTS, LP	Decreased	262,995(-43.5%)	$17.8M	0.0%	+64.21%	0
FIRST TRUST ADVISORS LP	New	258,989	$17.5M	0.0%	-14.07%	39
MORGAN STANLEY	Decreased	257,091(-74.1%)	$17.4M	0.0%	+160.17%	0
FMR LLC	Decreased	240,511(-49.1%)	$16.2M	0.0%	+14.72%	0
Qube Research & Technologies Ltd	Decreased	228,777(-10.2%)	$15.4M	0.0%	+14.03%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer