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.

Q3 2025 vs. Q2 2025

How the institutions holding Puma Biotechnology, Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of PBYI: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Q3 2025	Change
Holders	121	132	+11
Shares	32.8M	34.4M	+1.57M (+4.8%)
Value	$112.5M	$182.5M	+$70.0M (+62.2%)

New holders (23)

Institutions that held Puma Biotechnology, Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to PBYI in Q3 2025
Institution	Shares	Value	% of portfolio
Wellington Management Group LLP	149,552	$794.1K	0.00%
First Trust Advisors LP	119,779	$636.0K	0.00%
Assenagon Asset Management S.A.	72,979	$387.5K	0.00%
Lazard Asset Management LLC	63,147	$335.3K	0.00%
Round Rock Advisors, LLC	65,396	$329.6K	0.05%
Winton Group Ltd	61,324	$325.6K	0.01%
State of Wisconsin Investment Board	54,318	$288.4K	0.00%
Graham Capital Management, L.P.	52,708	$279.9K	0.01%
Cambridge Investment Research Advisors, Inc.	50,823	$270.0K	0.00%
Sherbrooke Park Advisers LLC	30,527	$162.1K	0.08%
Sanctuary Advisors, LLC	23,866	$126.7K	0.00%
Baron Wealth Management LLC	21,767	$115.6K	0.04%
State of Wyoming	12,737	$67.6K	0.01%
Perkins Capital Management Inc	12,200	$64.8K	0.06%
CAPROCK Group, Inc.	11,768	$59.3K	0.00%
SRS Capital Advisors, Inc.	1,272	$6.75K	0.00%
Optiver Holding B.V.	768	$4.08K	0.00%
Rothschild Investment LLC	250	$1.33K	0.00%
Atlantic Union Bankshares Corp	150	$797	0.00%
The PNC Financial Services Group, Inc.	117	$621	0.00%
GAMMA Investing LLC	78	$414	0.00%
Jones Financial Companies LLLP	68	$329	0.00%
Sunbelt Securities, Inc.	30	$159	0.00%

Sold out (12)

Institutions that held Puma Biotechnology, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of PBYI in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Janus Henderson Group PLC	745,541	$2.56M
Citadel Advisors LLC	507,818	$1.74M
Eversept Partners, LP	240,688	$825.6K
State Board of Administration of Florida Retirement System	71,727	$246.0K
Kapitalo Investimentos Ltda	70,269	$241.0K
Susquehanna International Group, LLP	57,724	$198.0K
HSBC Holdings PLC	19,751	$66.6K
Ieq Capital, LLC	14,305	$49.1K
Voya Investment Management LLC	12,976	$44.5K
Williams & Novak, LLC	12,520	$42.9K
Fourth Dimension Wealth, LLC	500	$1.72K
South State Corp.	111	$381