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Puma Biotechnology
PBYI

Overview Fund Activity

119 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, 33 reducing their positions, and 16 closing their positions.

Holders
119
Holders Change
+3
Holders Change %
+2.59%
% of All Funds
1.6%
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
33
Closed
16
Calls
$256K
Puts
$4K
Net Calls
+$252K
Net Calls Change
+$84K

Top Buyers

1
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$2.56M
2
Citadel Advisors
2
Citadel Advisors
Florida
$1.74M
3
LSV Asset Management
3
LSV Asset Management
Illinois
$1.84M
4
OSAM
4
O'Shaughnessy Asset Management
Connecticut
$1.5M
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$3.94M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$1.15M
2
Marshall Wace
2
Marshall Wace
United Kingdom
$252K
3
Goldman Sachs
3
Goldman Sachs
New York
$693K
4
GCP
4
GSA Capital Partners
United Kingdom
$0
5
BNP Paribas Financial Markets
5
BNP Paribas Financial Markets
France
$19.8K
Name Market Value Shares Shares
Change 		Shares
Change %
ACA
1
Acorn Capital Advisors
New York
$14.2M 4,131,299 +191,247 +5%
BlackRock
2
BlackRock
New York
$13.2M 3,835,715 -11,653 -0.3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$12.7M 3,706,452 +37,189 +1%
Acadian Asset Management
4
Acadian Asset Management
Massachusetts
$6.89M 2,008,146 – –
Renaissance Technologies
5
Renaissance Technologies
New York
$6.43M 1,874,713 +45,500 +2%
American Century Companies
6
American Century Companies
Missouri
$4.6M 1,342,275 +192,615 +17%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$3.94M 1,150,040 +261,377 +29%
KCM
8
Kennedy Capital Management
Missouri
$3.39M 987,001 +75,878 +8%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$3.33M 971,674 +16,218 +2%
Connor, Clark & Lunn Investment Management (CC&L)
10
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$3.09M 900,256 +68,567 +8%
Janus Henderson Group
11
Janus Henderson Group
United Kingdom
$2.56M 745,541 +745,541 New
State Street
12
State Street
Massachusetts
$2.52M 734,606 +84,814 +13%
D.E. Shaw & Co
13
D.E. Shaw & Co
New York
$2.2M 640,780 +69,115 +12%
LSV Asset Management
14
LSV Asset Management
Illinois
$1.84M 535,740 +482,340 +903%
Citadel Advisors
15
Citadel Advisors
Florida
$1.74M 507,818 +507,818 New
GC
16
Globeflex Capital
California
$1.55M 452,606 – –
Arrowstreet Capital
17
Arrowstreet Capital
Massachusetts
$1.55M 451,633 +93,012 +26%
Los Angeles Capital Management
18
Los Angeles Capital Management
California
$1.53M 445,477 +38,623 +9%
OSAM
19
O'Shaughnessy Asset Management
Connecticut
$1.5M 437,660 +329,715 +305%
SEI Investments
20
SEI Investments
Pennsylvania
$1.19M 347,234 -445 -0.1%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$1.18M 344,083 +3,197 +0.9%
Millennium Management
22
Millennium Management
New York
$1.15M 334,609 -1,050,585 -76%
Morgan Stanley
23
Morgan Stanley
New York
$1.11M 322,462 +59,924 +23%
Northern Trust
24
Northern Trust
Illinois
$1.04M 302,015 -15,423 -5%
Prudential Financial
25
Prudential Financial
New Jersey
$965K 281,244 -26,911 -9%
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