Puma Biotechnology, Inc.

PBYI

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001401667

SEC filings (opens in a new tab)

In the last 90 days, Puma Biotechnology, Inc. insiders filed 0 open-market purchases and 5 sales; 160 institutions reported holding it in 13F filings for Q2 2026, worth $313.6M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding Puma Biotechnology, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of PBYI: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Q4 2025	Change
Holders	132	151	+19
Shares	34.4M	35.3M	+964.7K (+2.8%)
Value	$182.5M	$210.2M	+$27.7M (+15.2%)

New holders (33)

Institutions that held Puma Biotechnology, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to PBYI in Q4 2025
Institution	Shares	Value	% of portfolio
Citadel Advisors LLC	162,670	$967.9K	0.00%
Haven Private, LLC	92,083	$547.9K	0.24%
OpenArc Corporate Advisory, LLC	89,361	$531.7K	0.01%
Canada Pension Plan Investment Board	75,200	$447.4K	0.00%
Nomura Asset Management International Inc.	61,255	$364.0K	0.00%
Verdad Advisers, LP	55,542	$330.5K	0.38%
Man Group plc	47,324	$281.6K	0.00%
Vise Technologies, Inc.	40,298	$239.8K	0.00%
EntryPoint Capital, LLC	35,389	$210.6K	0.08%
Stokes Family Office, LLC	28,091	$167.1K	0.02%
State Board of Administration of Florida Retirement System	27,335	$162.6K	0.00%
Brandywine Global Investment Management, LLC	21,800	$129.7K	0.00%
Heron Bay Capital Management	20,056	$119.3K	0.02%
One Wealth Advisors, LLC	19,389	$115.4K	0.01%
Engineers Gate Manager LP	18,786	$111.8K	0.00%
Axq Capital, LP	16,592	$98.7K	0.02%
Ieq Capital, LLC	11,495	$68.4K	0.00%
Abel Hall, LLC	10,793	$64.2K	0.01%
Williams & Novak, LLC	10,560	$62.8K	0.05%
ProShare Advisors LLC	10,062	$59.9K	0.00%
Wealth Enhancement Advisory Services, LLC	10,144	$59.4K	0.00%
Group One Trading, L.P.	9,233	$54.9K	0.00%
State of Alaska, Department of Revenue	8,445	$50.0K	0.00%
China Universal Asset Management Co., Ltd.	8,211	$48.9K	0.00%
Mirae Asset Global Investments Co., Ltd.	2,449	$14.6K	0.00%
GF Fund Management Co. Ltd.	989	$5.88K	0.00%
Farther Finance Advisors, LLC	529	$3.15K	0.00%
Rockefeller Capital Management L.P.	159	$946	0.00%
DecisionPoint Financial, LLC	100	$595	0.00%
MAI Capital Management	37	$221	0.00%
SJS Investment Consulting Inc.	36	$215	0.00%
National Bank of Canada	10	$59	0.00%
CWM Advisors, LLC	5	$31	0.00%

Sold out (14)

Institutions that held Puma Biotechnology, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of PBYI in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Marshall Wace, LLP	557,548	$2.96M
Tang Capital Management LLC	200,000	$1.06M
Wellington Management Group LLP	149,552	$794.1K
Hillsdale Investment Management Inc.	77,800	$413.1K
Assenagon Asset Management S.A.	72,979	$387.5K
Macquarie Group Ltd	61,255	$325.0K
Graham Capital Management, L.P.	52,708	$279.9K
Deutsche Bank AG	30,743	$163.2K
Sherbrooke Park Advisers LLC	30,527	$162.1K
XTX Topco Ltd	25,524	$135.5K
Sanctuary Advisors, LLC	23,866	$126.7K
Squarepoint Ops LLC	21,334	$113.3K
Luminist Capital LLC	250	$1.32K
Atlantic Union Bankshares Corp	150	$797