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Puma Biotechnology
PBYI

Overview Fund Activity

121 hedge funds and large institutions have $112M invested in Puma Biotechnology in 2025 Q2 according to their latest regulatory filings, with 22 funds opening new positions, 41 increasing their positions, 34 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
121
Holders Change
+5
Holders Change %
+4.31%
% of All Funds
1.62%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
22
Increased
41
Reduced
34
Closed
16
Calls
$330K
Puts
$4K
Net Calls
+$326K
Net Calls Change
+$158K

Top Buyers

1
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$2.56M
2
Citadel Advisors
Citadel Advisors
Florida
+$1.74M
3
LSV Asset Management
LSV Asset Management
Illinois
+$1.65M
4
OSAM
O'Shaughnessy Asset Management
Connecticut
+$1.13M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$896K

Top Sellers

1
Millennium Management
Millennium Management
New York
-$3.6M
2
Marshall Wace
Marshall Wace
United Kingdom
-$490K
3
Goldman Sachs
Goldman Sachs
New York
-$316K
4
GCP
GSA Capital Partners
United Kingdom
-$294K
5
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
-$245K
Name Holding Trade Value Shares
Change 		Shares
Change %
UBS Group
26
UBS Group
Switzerland
$940K -$19.1K -5,567 -2%
Two Sigma Advisers
27
Two Sigma Advisers
New York
$843K -$3.77K -1,100 -0.4%
EP
28
Eversept Partners
New York
$826K -$120K -35,100 -13%
Mackenzie Financial
29
Mackenzie Financial
Ontario, Canada
$712K +$171K +49,878 +32%
BCM
30
Bridgeway Capital Management
Texas
$696K +$417K +121,690 +150%
Federated Hermes
31
Federated Hermes
Pennsylvania
$694K +$4.71K +1,373 +0.7%
Goldman Sachs
32
Goldman Sachs
New York
$693K -$316K -92,214 -31%
TCM
33
Tang Capital Management
California
$686K – – –
RWM
34
Ritholtz Wealth Management
New York
$676K +$676K +196,985 New
PFS
35
Prospera Financial Services
Texas
$656K +$24K +6,987 +4%
Two Sigma Investments
36
Two Sigma Investments
New York
$654K -$7.47K -2,179 -1%
SO
37
STRS Ohio
Ohio
$505K +$18.5K +5,400 +4%
AQR Capital Management
38
AQR Capital Management
Connecticut
$486K +$313K +91,315 +181%
Qube Research & Technologies (QRT)
39
Qube Research & Technologies (QRT)
United Kingdom
$470K -$54.4K -15,864 -10%
Fidelity Investments
40
Fidelity Investments
Massachusetts
$454K +$17.8K +5,190 +4%
Charles Schwab
41
Charles Schwab
California
$437K +$31.5K +9,189 +8%
Barclays
42
Barclays
United Kingdom
$372K +$86.9K +25,392 +30%
XT
43
XTX Topco
Cayman Islands
$358K -$71.7K -20,893 -17%
ECM
44
Evergreen Capital Management
Washington
$329K +$329K +96,000 New
HIM
45
Hillsdale Investment Management
Ontario, Canada
$291K +$291K +84,800 New
NL
46
Nuveen LLC
North Carolina
$271K – – –
PAM
47
Panagora Asset Management
Massachusetts
$263K +$263K +76,684 New
Royal Bank of Canada
48
Royal Bank of Canada
Ontario, Canada
$262K -$32K -9,364 -11%
Marshall Wace
49
Marshall Wace
United Kingdom
$252K -$490K -142,998 -66%
State Board of Administration of Florida Retirement System
50
State Board of Administration of Florida Retirement System
Florida
$246K +$246K +71,727 New
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