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Werewolf Therapeutics
HOWL

Overview Fund Activity

64 hedge funds and large institutions have $24.3M invested in Werewolf Therapeutics in 2025 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 14 increasing their positions, 19 reducing their positions, and 22 closing their positions.

Holders
64
Holders Change
-6
Holders Change %
-8.57%
% of All Funds
0.86%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
17
Increased
14
Reduced
19
Closed
22
Calls
$1K
Puts
$9K
Net Calls
-$8K
Net Calls Change
+$10K

Top Buyers

1
RCM
1
RA Capital Management
Massachusetts
$7.28M
2
Jane Street
2
Jane Street
New York
$409K
3
Renaissance Technologies
3
Renaissance Technologies
New York
$345K
4
Goldman Sachs
4
Goldman Sachs
New York
$248K
5
Marshall Wace
5
Marshall Wace
United Kingdom
$113K

Top Sellers

1
PHS
1
PFM Health Sciences
California
$437K
2
BlackRock
2
BlackRock
New York
$395K
3
RCMNY
3
Rubric Capital Management (New York)
New York
$0
4
Geode Capital Management
4
Geode Capital Management
Massachusetts
$358K
5
State Street
5
State Street
Massachusetts
$130K
Name Market Value Shares Shares
Change 		Shares
Change %
RCM
1
RA Capital Management
Massachusetts
$7.28M 6,681,307 +536,426 +9%
MAM
2
MPM Asset Management
Massachusetts
$4.7M 4,309,860 – –
MB
3
MPM BioImpact
Massachusetts
$2.63M 2,408,810 – –
Bank of America
4
Bank of America
North Carolina
$2.32M 2,129,024 +25,882 +1%
Vanguard Group
5
Vanguard Group
Pennsylvania
$1.42M 1,298,251 -211,185 -14%
Millennium Management
6
Millennium Management
New York
$759K 696,695 -87,922 -11%
SFM
7
Sphera Funds Management
Israel
$683K 626,810 – –
DF
8
DC Funds
Virginia
$642K 589,102 – –
PHS
9
PFM Health Sciences
California
$437K 401,110 -2,105,410 -84%
Jane Street
10
Jane Street
New York
$409K 374,939 +374,939 New
BlackRock
11
BlackRock
New York
$395K 361,983 -1,309,872 -78%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$358K 327,955 -389,569 -54%
Renaissance Technologies
13
Renaissance Technologies
New York
$345K 316,300 +252,400 +395%
Alyeska Investment Group
14
Alyeska Investment Group
Illinois
$257K 235,705 – –
Goldman Sachs
15
Goldman Sachs
New York
$248K 227,442 +115,457 +103%
State Street
16
State Street
Massachusetts
$130K 119,168 -325,104 -73%
Marshall Wace
17
Marshall Wace
United Kingdom
$113K 103,785 +103,785 New
BCM
18
Bridgeway Capital Management
Texas
$111K 102,000 +62,414 +158%
AQR Capital Management
19
AQR Capital Management
Connecticut
$100K 92,168 +10,499 +13%
YIH
20
Y-Intercept (HK)
Hong Kong
$92K 84,421 +84,421 New
Northern Trust
21
Northern Trust
Illinois
$71.8K 65,836 -192,622 -75%
Acadian Asset Management
22
Acadian Asset Management
Massachusetts
$66K 61,277 -189,399 -76%
Two Sigma Advisers
23
Two Sigma Advisers
New York
$61.7K 56,600 -20,400 -26%
Edgewood Management
24
Edgewood Management
Connecticut
$54.5K 50,000 – –
Two Sigma Investments
25
Two Sigma Investments
New York
$49.5K 45,422 -12,710 -22%
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