AnaptysBio, Inc. (ANAB) Institutional Ownership & Insider Trading

212 institutions reported holding AnaptysBio, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 42 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

ANABAnaptysBio, Inc.Follow ANAB — free

Biotechnology · Healthcare

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Market cap: 1.5B
P/E TTM: —
Dividend yield: —
52-week: —
Next earnings: 10 Nov, in 17 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

212 institutions held —% of the shares. Across filers that reported both quarters, shares held changed +6.6%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	212	30	+6.6%	72	38	61	30
Mar 26	205	28	-2.7%	51	42	62	18
Dec 25	177	29	-7.9%	47	31	61	19
Sep 25	163	32	-12.8%	42	30	53	12
Jun 25	147	37	-8.2%	41	23	51	28
Mar 25	153	40	+13.2%	39	41	41	25
Dec 24	134	35	+2.7%	48	17	33	48
Sep 24	159	34	+12.4%	59	33	30	10

AnaptysBio, Inc. — questions

Who owns AnaptysBio, Inc. stock?: 212 institutions reported AnaptysBio, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: EcoR1 Capital, LLC (26.4%), BlackRock, Inc. (6.2%), TANG CAPITAL MANAGEMENT LLC (4.5%).
Are AnaptysBio, Inc. insiders buying or selling?: 42 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from AnaptysBio, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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