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Werewolf Therapeutics, Inc.

HOWL
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001785530

In the last 90 days, Werewolf Therapeutics, Inc. insiders filed 0 open-market purchases and 2 sales; 45 institutions reported holding it in 13F filings for Q2 2026, worth $3.91M in total; no superinvestor holds it.

13F holders, Q4 2024

Institutional positions in Werewolf Therapeutics, Inc. as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
73
+4 vs. Q3 2024
Shares held
28.2M
−4.04M (−12.5%) vs. Q3 2024
Total value
$41.7M
−$26.6M (−38.9%) vs. Q3 2024
New holders
12
29 more added
Sold out
8
14 more reduced

Compare with Q3 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting HOWL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2024: 73 institutions
Q1 2021: 0 institutionsQ2 2021: 45 institutionsQ3 2021: 42 institutionsQ4 2021: 51 institutionsQ1 2022: 49 institutionsQ2 2022: 46 institutionsQ3 2022: 44 institutionsQ4 2022: 39 institutionsQ1 2023: 38 institutionsQ2 2023: 36 institutionsQ3 2023: 35 institutionsQ4 2023: 41 institutionsQ1 2024: 61 institutionsQ2 2024: 71 institutionsQ3 2024: 69 institutionsQ4 2024: 73 institutionsQ1 2025: 70 institutionsQ2 2025: 65 institutionsQ3 2025: 62 institutionsQ4 2025: 51 institutionsQ1 2026: 48 institutionsQ2 2026: 45 institutions
Value heldQ4 2024: $41.7M
Q1 2021: $0Q2 2021: $344.3MQ3 2021: $326.2MQ4 2021: $228.4MQ1 2022: $84.3MQ2 2022: $78.0MQ3 2022: $94.5MQ4 2022: $42.8MQ1 2023: $62.5MQ2 2023: $73.3MQ3 2023: $51.1MQ4 2023: $106.8MQ1 2024: $209.7MQ2 2024: $79.3MQ3 2024: $68.3MQ4 2024: $41.7MQ1 2025: $26.7MQ2 2025: $24.3MQ3 2025: $41.6MQ4 2025: $9.34MQ1 2026: $11.7MQ2 2026: $3.91M
Institutions holding HOWL and their total value by quarter
QuarterHoldersValue
Q2 202645$3.91M
Q1 202648$11.7M
Q4 202551$9.34M
Q3 202562$41.6M
Q2 202565$24.3M
Q1 202570$26.7M
Q4 202473$41.7M
Q3 202469$68.3M
Q2 202471$79.3M
Q1 202461$209.7M
Q4 202341$106.8M
Q3 202335$51.1M
Q2 202336$73.3M
Q1 202338$62.5M
Q4 202239$42.8M
Q3 202244$94.5M
Q2 202246$78.0M
Q1 202249$84.3M
Q4 202151$228.4M
Q3 202142$326.2M
Q2 202145$344.3M
Q1 20210$0

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding Werewolf Therapeutics, Inc.; share changes are against Q3 2024.

Institutions holding HOWL in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.6,144,881$9.09M0.12%00.0%Unchanged
MPM Asset Management LLC4,284,172$6.34M5.10%00.0%Unchanged
PFM Health Sciences, LP2,905,465$4.30M0.33%−493,282−14.5%Reduced
MPM Oncology Impact Management LP2,388,011$3.53M0.50%00.0%Unchanged
Bank of America Corp2,078,875$3.08M0.00%−74,842−3.5%Reduced
BlackRock, Inc.1,700,432$2.52M0.00%+63,382+3.9%Added
Vanguard Group Inc1,420,969$2.10M0.00%+5,439+0.4%Added
Rubric Capital Management LP1,333,893$1.97M0.04%00.0%Unchanged
Geode Capital Management, LLC702,558$1.04M0.00%+16,569+2.4%Added
Sphera Funds Management Ltd.626,810$927.7K0.17%00.0%Unchanged
Millennium Management LLC596,289$882.5K0.00%−727,484−55.0%Reduced
DC Funds, LP589,102$871.9K24.47%00.0%Unchanged
State Street Corp426,772$631.6K0.00%−49,667−10.4%Reduced
Northern Trust Corp244,390$361.7K0.00%+16,640+7.3%Added
Acadian Asset Management LLC242,264$358.0K0.00%−23,095−8.7%Reduced
BIT Capital GmbH241,056$356.8K0.03%00.0%Unchanged
Alyeska Investment Group, L.P.235,705$348.8K0.00%00.0%Unchanged
Dimensional Fund Advisors LP194,746$288.2K0.00%−63,098−24.5%Reduced
Goldman Sachs Group Inc141,830$209.9K0.00%+26,689+23.2%Added
Two Sigma Advisers, LP139,100$205.9K0.00%−117,200−45.7%Reduced
Morgan Stanley138,142$204.5K0.00%+19,102+16.0%Added
Bridgeway Capital Management, LLC109,586$162.2K0.00%+21,500+24.4%Added
Deutsche Bank AG101,626$150.4K0.00%+83,172+450.7%Added
Walleye Capital LLC96,850$143.3K0.00%−12,118−11.1%Reduced
Two Sigma Investments, LP93,440$138.3K0.00%−87,168−48.3%Reduced
Nuveen Asset Management, LLC73,370$108.6K0.00%00.0%Unchanged
Charles Schwab Investment Management Inc71,860$106.4K0.00%−6,982−8.9%Reduced
Bank of New York Mellon Corp71,300$105.5K0.00%+13,372+23.1%Added
JPMorgan Chase & Co62,928$93.1K0.00%+36,288+136.2%Added
Barclays PLC59,748$88.4K0.00%+4,938+9.0%Added
Renaissance Technologies LLC56,900$84.2K0.00%−95,300−62.6%Reduced
Jane Street Group, LLC54,713$81.0K0.00%+39,564+261.2%Added
Edgewood Management LLC50,000$74.0K0.00%00.0%Unchanged
Levin Capital Strategies, L.P.50,000$74.0K0.01%+50,000New
American Century Companies Inc42,511$62.9K0.00%+1,098+2.7%Added
Susquehanna International Group, LLP33,862$50.1K0.00%+33,862New
UBS Group AG30,493$45.1K0.00%+15,014+97.0%Added
Rhumbline Advisers28,916$42.8K0.00%+520+1.8%Added
Regal Investment Advisors LLC27,204$40.3K0.00%+12,745+88.1%Added
XTX Topco Ltd24,905$36.9K0.00%+3,696+17.4%Added
Citigroup Inc23,729$35.1K0.00%+718+3.1%Added
SEI Investments Co21,322$31.6K0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.17,871$26.4K0.00%+760+4.4%Added
D. E. Shaw & Co., Inc.17,776$26.3K0.00%+17,776New
Wells Fargo & Company16,981$25.1K0.00%+4,135+32.2%Added
HBK Sorce Advisory LLC15,357$22.7K0.00%+1,678+12.3%Added
Corebridge Financial, Inc.15,156$22.4K0.00%−1,144−7.0%Reduced
Camden Capital, LLC15,000$22.2K0.00%00.0%Unchanged
Intech Investment Management LLC14,866$22.0K0.00%+14,866New
Invesco Ltd.14,589$21.6K0.00%+953+7.0%Added
SG Americas Securities, LLC13,779$20.0K0.00%+262+1.9%Added
Two Sigma Securities, LLC12,740$18.9K0.00%+12,740New
Larson Financial Group LLC10,000$14.8K0.00%+10,000New
Advisor Group Holdings, Inc.8,575$12.7K0.00%+8,575New
BNP Paribas Arbitrage, SA6,832$10.1K0.00%+6,832New
Financial Perspectives, Inc6,750$9.99K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)5,856$8.67K0.00%+600+11.4%Added
New York State Common Retirement Fund5,100$7.55K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.2,987$4.42K0.00%00.0%Unchanged
Royal Bank of Canada3,376$4.00K0.00%+129+4.0%Added
Legal & General Group Plc2,642$3.91K0.00%00.0%Unchanged
TFC Financial Management2,500$3.70K0.00%+1,000+66.7%Added
California State Teachers Retirement System2,209$3.27K0.00%00.0%Unchanged
FMR LLC1,831$2.71K0.00%+317+20.9%Added
Simplex Trading, LLC1,634$2.00K0.00%−1,805−52.5%Reduced
Amalgamated Bank1,055$2.00K0.00%00.0%Unchanged
Sterling Capital Management LLC771$1.14K0.00%+690+851.9%Added
Federated Hermes, Inc.414$6130.00%+414New
Nisa Investment Advisors, LLC40$590.00%−85−68.0%Reduced
SBI Securities Co., Ltd.40$590.00%+40New
EverSource Wealth Advisors, LLC33$490.00%+33New
IFP Advisors, Inc1$10.00%+1New
CWM, LLC307$00.00%+115+59.9%Added
Adage Capital Partners GP, L.L.C.0$00.00%−2,000,594−100.0%Sold out
Eagle Health Investments LP0$00.00%−700,000−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−109,816−100.0%Sold out
Engineers Gate Manager LP0$00.00%−11,777−100.0%Sold out
Citadel Advisors LLC0$00.00%−11,507−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−381−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−86−100.0%Sold out
Capital Performance Advisors LLP0$00.00%−60−100.0%Sold out