PUMA BIOTECHNOLOGY INC (PBYI) is held by 88 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling PBYI?

In Q1 2026, 47 institutions opened or increased positions in PUMA BIOTECHNOLOGY INC while 36 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on PBYI?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for PUMA BIOTECHNOLOGY INC.

How many hedge funds hold PBYI?

88 institutional investors report holding PUMA BIOTECHNOLOGY INC (PBYI) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into PBYI?

As of Q1 2026, tracked institutions in PUMA BIOTECHNOLOGY INC show 47 buyers versus 36 sellers — net inflows.

PUMA BIOTECHNOLOGY INC

PBYI·74587V107·US·Common Stock·Healthcare - Biotechnology-13D/G

Holders

Avg rating(22 Elite)

$168.3M

Total Value

57% (96)

Fund Consensus

47 buying - 36 selling

Smart Money Verdict

View all

Held by 88 funds

22 elite

Who's Trading

Activist

The Vanguard Group0.0%Mar 27, 2026

InsiderAHAUERBACH ALAN HSell $106KJan 7, 2026

InsiderNFNOUGUES MAXIMO FSell $38KJan 7, 2026

InsiderHMHUNT DOUGLAS MSell $29KJan 7, 2026

InsiderAHAUERBACH ALAN HSell $99KJan 6, 2026

InsiderNFNOUGUES MAXIMO FSell $27KJan 6, 2026

InsiderHMHUNT DOUGLAS MSell $23KJan 6, 2026

InsiderMPMILLER MICHAEL PATRICKSell $97KNov 11, 2025

InsiderCACesano AlessandraSell $91KJul 18, 2025

Activist

BlackRock, Inc.5.6%Apr 17, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	3.6M(-1.2%)	$23M	0.0%	+151.48%	0
RENAISSANCE TECHNOLOGIES LLC	Decreased	1.9M(-8.5%)	$12.4M	0.0%	+18.19%	0
AMERICAN CENTURY COMPANIES INC	Increased	1.9M(+16.1%)	$12.2M	0.0%	+84.01%	32
VAVANGUARD CAPITAL MANAGEMENT LLC	New	1.8M	$11.6M	0.0%	+28.82%	39
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	1.7M	$11.1M	0.0%	+28.82%	38
MILLENNIUM MANAGEMENT LLC	Increased	1.5M(+8793.2%)	$9.4M	0.0%	+28.97%	45
DIMENSIONAL FUND ADVISORS LP	Increased	1.4M(+7.2%)	$9.2M	0.0%	+118.03%	30
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	Increased	1.1M(+1.6%)	$7.3M	0.0%	+69.83%	28
GEODE CAPITAL MANAGEMENT, LLC	Increased	1M(+2.3%)	$6.5M	0.0%	+5.35%	28
STATE STREET CORP	Increased	917,590(+4.6%)	$5.9M	0.0%	+102.56%	28
AQR CAPITAL MANAGEMENT LLC	Increased	800,194(+20.0%)	$5.1M	0.0%	+43.00%	32
Connor, Clark & Lunn Investment Management Ltd.	Decreased	782,798(-10.6%)	$5M	0.0%	+121.26%	0
GOLDMAN SACHS GROUP INC	Decreased	669,719(-15.7%)	$4.3M	0.0%	+52.74%	0
NORTHERN TRUST CORP	Increased	641,753(+4.2%)	$4.1M	0.0%	+11.22%	28
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Decreased	538,155(-1.8%)	$3.4M	0.0%	+118.97%	0
UBS Group AG	Increased	534,227(+319.6%)	$3.4M	0.0%	+42.72%	43
SEI INVESTMENTS CO	Increased	508,182(+18.2%)	$3.2M	0.0%	+2.16%	31
MORGAN STANLEY	Increased	359,742(+10.1%)	$2.3M	0.0%	+111.66%	29
DED. E. Shaw & Co., Inc.	Decreased	351,235(-7.2%)	$2.2M	0.0%	+157.42%	0
Bank of New York Mellon Corp	Decreased	347,881(-1.1%)	$2.2M	0.0%	+81.95%	0