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Puma Biotechnology, Inc.

PBYI
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001401667

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.

Q2 2025 vs. Q1 2025

How the institutions holding Puma Biotechnology, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of PBYI: Q1 2025 compared with Q2 2025
MeasureQ1 2025Of which not filed for Q2 2025Q2 2025Change
Holders1161121+6
Shares30.4M13.8K32.8M+2.41M (+7.9%)
Value$90.0M$40.9K$112.5M+$22.6M (+25.1%)

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (22)

Institutions that held Puma Biotechnology, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to PBYI in Q2 2025
InstitutionSharesValue% of portfolio
Janus Henderson Group PLC745,541$2.56M0.00%
Citadel Advisors LLC507,818$1.74M0.00%
Ritholtz Wealth Management196,985$675.7K0.01%
Evergreen Capital Management LLC96,000$329.3K0.01%
Hillsdale Investment Management Inc.84,800$290.9K0.01%
Panagora Asset Management Inc76,684$263.0K0.00%
State Board of Administration of Florida Retirement System71,727$246.0K0.00%
Kapitalo Investimentos Ltda70,269$241.0K0.05%
Jane Street Group, LLC39,448$135.3K0.00%
Empowered Funds, LLC38,292$131.3K0.00%
Kathmere Capital Management, LLC20,204$69.3K0.01%
Squarepoint Ops LLC17,794$61.0K0.00%
D'Orazio & Associates, Inc.15,027$51.5K0.01%
Ethic Inc.15,168$50.5K0.00%
Ieq Capital, LLC14,305$49.1K0.00%
Alliancebernstein L.P.13,800$47.3K0.00%
Cerity Partners LLC10,528$36.1K0.00%
Global Retirement Partners, LLC1,492$5.12K0.00%
Essential Partners LLC439$1.51K0.00%
Clearstead Advisors, LLC335$1.15K0.00%
Luminist Capital LLC250$8980.00%
Allworth Financial LP1$40.00%

Sold out (16)

Institutions that held Puma Biotechnology, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Not filed for Q2 2025 yet (1)

Institutions that held Puma Biotechnology, Inc. at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding PBYI in Q1 2025 that haven't filed for Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
CAPROCK Group, Inc.13,817$40.9K