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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.

13F holders, Q1 2025

Institutional positions in Puma Biotechnology, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
116
+5 vs. Q4 2024
Shares held
30.4M
+1.10M (+3.7%) vs. Q4 2024
Total value
$90.0M
+$611.2K (+0.7%) vs. Q4 2024
New holders
25
44 more added
Sold out
20
25 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PBYI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 116 institutions
Q1 2021: 118 institutionsQ2 2021: 120 institutionsQ3 2021: 116 institutionsQ4 2021: 102 institutionsQ1 2022: 104 institutionsQ2 2022: 89 institutionsQ3 2022: 83 institutionsQ4 2022: 89 institutionsQ1 2023: 78 institutionsQ2 2023: 68 institutionsQ3 2023: 69 institutionsQ4 2023: 82 institutionsQ1 2024: 93 institutionsQ2 2024: 99 institutionsQ3 2024: 100 institutionsQ4 2024: 112 institutionsQ1 2025: 116 institutionsQ2 2025: 121 institutionsQ3 2025: 132 institutionsQ4 2025: 151 institutionsQ1 2026: 157 institutionsQ2 2026: 160 institutions
Value heldQ1 2025: $90.0M
Q1 2021: $355.9MQ2 2021: $319.3MQ3 2021: $226.0MQ4 2021: $92.2MQ1 2022: $86.1MQ2 2022: $79.5MQ3 2022: $65.5MQ4 2022: $116.3MQ1 2023: $86.1MQ2 2023: $93.8MQ3 2023: $67.6MQ4 2023: $115.2MQ1 2024: $157.7MQ2 2024: $100.9MQ3 2024: $75.9MQ4 2024: $89.7MQ1 2025: $90.0MQ2 2025: $112.5MQ3 2025: $182.5MQ4 2025: $210.2MQ1 2026: $241.8MQ2 2026: $313.6M
Institutions holding PBYI and their total value by quarter
QuarterHoldersValue
Q2 2026160$313.6M
Q1 2026157$241.8M
Q4 2025151$210.2M
Q3 2025132$182.5M
Q2 2025121$112.5M
Q1 2025116$90.0M
Q4 2024112$89.7M
Q3 2024100$75.9M
Q2 202499$100.9M
Q1 202493$157.7M
Q4 202382$115.2M
Q3 202369$67.6M
Q2 202368$93.8M
Q1 202378$86.1M
Q4 202289$116.3M
Q3 202283$65.5M
Q2 202289$79.5M
Q1 2022104$86.1M
Q4 2021102$92.2M
Q3 2021116$226.0M
Q2 2021120$319.3M
Q1 2021118$355.9M

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Puma Biotechnology, Inc.; share changes are against Q4 2024.

Institutions holding PBYI in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Headlands Technologies LLC1,217$3.60K0.00%+1,217New
GHP Investment Advisors, Inc.1,170$3.46K0.00%00.0%Unchanged
GPS Wealth Strategies Group, LLC1,000$2.96K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC775$2.24K0.00%00.0%Unchanged
Fourth Dimension Wealth, LLC700$2.07K0.00%00.0%Unchanged
Sterling Capital Management LLC505$1.50K0.00%−421−45.5%Reduced
Nisa Investment Advisors, LLC417$1.23K0.00%−79−15.9%Reduced
WealthCollab, LLC311$9210.00%+311New
Coldstream Capital Management Inc304$9000.00%+304New
US Bancorp200$5920.00%00.0%Unchanged
True Wealth Design, LLC142$4210.00%+118+491.7%Added
South State Corp.111$3290.00%+111New
SBI Securities Co., Ltd.56$1660.00%00.0%Unchanged
IFP Advisors, Inc14$410.00%00.0%Unchanged
EverSource Wealth Advisors, LLC6$180.00%+6New
ZRC Wealth Management, LLC3$90.00%00.0%Unchanged
Citadel Advisors LLC0$00.00%−159,425−100.0%Sold out
Squarepoint Ops LLC0$00.00%−75,929−100.0%Sold out
Panagora Asset Management Inc0$00.00%−58,849−100.0%Sold out
Winton Group Ltd0$00.00%−38,241−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−35,300−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−32,615−100.0%Sold out
SG Americas Securities, LLC0$00.00%−24,668−100.0%Sold out
Jane Street Group, LLC0$00.00%−22,480−100.0%Sold out
State of Wyoming0$00.00%−20,426−100.0%Sold out
Ritholtz Wealth Management0$00.00%−20,128−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−17,700−100.0%Sold out
Jain Global LLC0$00.00%−11,871−100.0%Sold out
ProShare Advisors LLC0$00.00%−11,853−100.0%Sold out
PDT Partners, LLC0$00.00%−11,131−100.0%Sold out
Verition Fund Management LLC0$00.00%−10,955−100.0%Sold out
Advantage Alpha Capital Partners LP0$00.00%−6,796−100.0%Sold out
R Squared Ltd0$00.00%−5,020−100.0%Sold out
Caitong International Asset Management Co., Ltd0$00.00%−133−100.0%Sold out
Aventura Private Wealth, LLC0$00.00%−100−100.0%Sold out
Richards, Merrill & Peterson, Inc.0$00.00%−40−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed