Werewolf TherapeuticsHOWL

13F holders, Q2 2024 (June 30)
71holders +10
21new positions
12sold out
4famous investors
$2.44avg. 13F price*

At the end of Q2 2024, 71 institutions reported holding Werewolf Therapeutics Inc. (HOWL) in their 13F filings, up 10 from Q1 2024. 21 opened new positions and 12 sold out. The largest holders were Ra Capital Management, L.P. ($15.0M), MPM Asset Management LLC ($10.5M) and PFM Health Sciences, LP ($7.9M). 4 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Werewolf Therapeutics Inc.
CUSIP
95075A107
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080 Q1 2024: 61Q1 2024Q2 2024: 71Q2 2024Q3 2024: 69Q3 2024Q4 2024: 73Q4 2024Q1 2025: 70Q1 2025Q2 2025: 65Q2 2025Q3 2025: 62Q3 2025Q4 2025: 51Q4 2025Q1 2026: 48Q1 2026Q2 2026: 45Q2 2026

Total Exit/New Position Q1 2024 → Q2 2024

InstitutionsTotal Value
New Positions21$2.8M
Exits12$9.3M

All 13F filers, Q1 2024 → Q2 2024: 5,330,430 shares bought and 5,129,355 shares sold, net +201,075 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 71 holders

Ra Capital Management, L.P. 0.20% No change 6,144,881 $15.0M
MPM Asset Management LLC 5.74% No change 4,284,172 $10.5M
PFM Health Sciences, LP 0.44% Add +7.8% 3,241,074 $7.9M
MPM Bioimpact LLC 0.91% No change 2,388,011 $5.8M
Bank of America Corp. 0.00% Add +14.2% 2,147,425 $5.2M
Adage Capital Partners Gp, L.L.C. 0.01% Reduce -33.3% 2,000,594 $4.9M
BlackRock Inc. 0.00% Add +863.5% 1,587,724 $3.9M
Rubric Capital Management LP 0.09% Reduce -17.7% 1,333,893 $3.3M
Vanguard Group Inc. 0.00% Add +19.6% 1,323,781 $3.2M
Millennium Management 0.00% Add +96.4% 1,110,298 $2.7M
Eagle Health Investments LP 0.31% No change 700,000 $1.7M
Geode Capital Management, LLC 0.00% Add +148.5% 645,297 $1.6M
Sphera Funds Management LTD. 0.25% No change 626,810 $1.5M
DC Funds, LP 23.87% No change 589,102 $1.4M
State Street Corp. 0.00% Add +495.6% 423,911 $1.0M
Point72 Asset Management 0.00% New 319,477 $780K
Two Sigma Advisers, LP 0.00% Reduce -3.4% 239,300 $584K
Alyeska Investment Group, L.P. 0.00% No change 235,705 $575K
Verition Fund Management LLC 0.00% Reduce -59.1% 233,828 $571K
BIT Capital GmbH 0.05% New 233,370 $569K
Two Sigma Investments, LP 0.00% Add +18.5% 219,366 $535K
Acadian Asset Management LLC 0.00% Add +22.8% 212,296 $516K
HRT Financial LP 0.00% Add +424.6% 197,377 $481K
Renaissance Technologies 0.00% Add +103.1% 171,000 $417K
Janus Henderson Group PLC 0.00% Reduce -90.0% 167,987 $407K
Dimensional Fund Advisors LP 0.00% Add +43.9% 160,577 $392K
Marshall Wace, LLP 0.00% Add +410.5% 134,184 $327K
Royce & Associates LP 0.00% Add +236.2% 125,484 $306K
Bridgeway Capital Management, LLC 0.01% Add +47.0% 125,086 $305K
Walleye Capital LLC 0.00% New 98,440 $240K
Charles Schwab Investment Management Inc. 0.00% New 78,842 $192K
Bank of New York Mellon Corp 0.00% New 67,644 $165K
Citadel Advisors 0.00% Add +1981.2% 63,954 $156K
Murchinson Ltd. 0.03% New 62,500 $153K
Northern Trust Corp. 0.00% Add +20.8% 58,598 $143K
Goldman Sachs Group Inc. 0.00% Reduce -69.8% 52,089 $127K
Nuveen Asset Management, LLC 0.00% New 52,048 $127K
Edgewood Management LLC 0.00% No change 50,000 $122K
Morgan Stanley 0.00% Add +138.2% 49,012 $120K
Man Group plc 0.00% Reduce -44.1% 44,481 $109K
New York State Common Retirement Fund 0.00% New 39,900 $97K
American Century Companies Inc. 0.00% Add +50.7% 37,634 $92K
Alpine Global Management, LLC 0.02% New 37,551 $92K
Boothbay Fund Management, LLC 0.00% New 37,500 $92K
Rhumbline Advisers 0.00% New 32,547 $79K
Jane Street Group, LLC 0.00% Reduce -81.8% 28,580 $70K
Cubist Systematic Strategies, LLC 0.00% Reduce -30.2% 28,371 $69K
Barclays PLC 0.00% Add +1168.4% 23,820 $58K
Tower Research Capital LLC (TRC) 0.00% Add +125.6% 23,767 $58K
Jump Financial, LLC 0.00% New 21,099 $51K
Corebridge Financial, Inc. 0.00% — 16,401 $40K
Point72 (DIFC) Ltd 0.00% New 14,046 $34K
Invesco Ltd. 0.00% New 14,028 $34K
HBK Sorce Advisory LLC 0.00% No change 13,227 $32K
JPMorgan Chase & Co. 0.00% Reduce -81.6% 13,075 $32K
Wells Fargo & Company 0.00% Add +6336.6% 12,487 $30K
Balyasny Asset Management L.P. 0.00% Reduce -54.6% 10,459 $26K
Paloma Partners Management Co 0.00% New 10,043 $25K
Certuity, LLC 0.00% No change 10,000 $24K
UBS Group AG 0.00% Add +26408.1% 9,808 $24K
Qube Research & Technologies Ltd 0.00% Reduce -92.9% 8,315 $20K
Citigroup Inc. 0.00% Reduce -90.5% 6,791 $17K
Financial Perspectives, Inc 0.01% No change 6,750 $16K
Royal Bank of Canada 0.00% Add +7509.5% 3,196 $8K
Ameritas Investment Partners, Inc. 0.00% New 2,987 $7K
Legal & General Group Plc 0.00% New 2,642 $6K
California State Teachers Retirement System 0.00% New 2,209 $5K
TFC Financial Management, Inc. 0.00% New 1,500 $4K
Amalgamated Bank 0.00% New 1,055 $3K
FMR LLC 0.00% New 3 $7
Simplex Trading, LLC 0.00% Reduce -32.7% 136 $0

"% of holder's portfolio" is HOWL's weight in each manager's 13F, not the share of Werewolf Therapeutics Inc. the manager owns.