PUMA BIOTECHNOLOGY, INC. (PBYI) Institutional Ownership & Insider Trading

161 institutions reported holding PUMA BIOTECHNOLOGY, INC. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 17 insider trades on Form 4 since 2025-10-01.

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

PBYIPUMA BIOTECHNOLOGY, INC.Follow PBYI — free

Drug Manufacturers - General · Healthcare

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Market cap: 568.9M
P/E TTM: 21.2
Dividend yield: —
52-week: —
Next earnings: 29 Oct, in 5 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

161 institutions held 74.9% of the shares. Across filers that reported both quarters, shares held changed +2.2%.

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	161	39	+2.2%	57	19	50	11
Mar 26	155	38	+8.1%	51	20	35	17
Dec 25	150	35	+2.8%	49	29	37	13
Sep 25	129	34	+4.8%	42	20	33	11
Jun 25	121	33	+7.8%	37	21	32	14
Mar 25	116	30	+2.9%	39	20	25	18
Dec 24	110	28	-10.8%	43	17	17	12
Sep 24	100	30	-6.4%	31	15	19	16

PUMA BIOTECHNOLOGY, INC. — questions

Who owns PUMA BIOTECHNOLOGY, INC. stock?: 161 institutions reported PUMA BIOTECHNOLOGY, INC. shares in 13F filings for the quarter ended 2026-06-30. The largest: ACORN CAPITAL ADVISORS, LLC (8.0%), BlackRock, Inc. (7.4%), AMERICAN CENTURY COMPANIES INC (4.5%).
Are PUMA BIOTECHNOLOGY, INC. insiders buying or selling?: 17 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 PUMA BIOTECHNOLOGY, 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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