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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, Q3 2021

Institutional positions in Werewolf Therapeutics, Inc. as of Sep 30, 2021. 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
42
−3 vs. Q2 2021
Shares held
19.0M
−750.3K (−3.8%) vs. Q2 2021
Total value
$326.2M
−$18.1M (−5.3%) vs. Q2 2021
New holders
2
15 more added
Sold out
5
12 more reduced

Compare with Q2 2021: 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 holdersQ3 2021: 42 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 heldQ3 2021: $326.2M
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, Q3 2021

Shares, value and share of portfolio for each institution holding Werewolf Therapeutics, Inc.; share changes are against Q2 2021.

Institutions holding HOWL in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.4,291,881$73.6M1.02%00.0%Unchanged
MPM Asset Management LLC4,284,172$73.5M17.04%00.0%Unchanged
MPM Oncology Impact Management LP2,388,011$41.0M6.36%00.0%Unchanged
Deerfield Management Company, L.P. (Series C)1,752,787$30.1M0.59%−800,000−31.3%Reduced
Adage Capital Partners GP, L.L.C.985,448$16.9M0.03%−15,149−1.5%Reduced
Sphera Funds Management Ltd.688,475$11.8M1.17%−17,819−2.5%Reduced
Avidity Partners Management LP625,120$10.7M0.27%−25,145−3.9%Reduced
DC Funds, LP589,102$10.1M39.69%00.0%Unchanged
Soleus Capital Management, L.P.563,396$9.67M1.51%00.0%Unchanged
PFM Health Sciences, LP400,000$6.86M0.22%00.0%Unchanged
BlackRock Inc.369,961$6.35M0.00%+4,098+1.1%Added
Nicholas Investment Partners, LP296,283$5.08M0.37%+1,629+0.6%Added
FMR LLC238,500$4.09M0.00%−76,500−24.3%Reduced
Platinum Investment Management Ltd213,381$3.66M0.10%+6,466+3.1%Added
Alyeska Investment Group, L.P.206,201$3.54M0.04%00.0%Unchanged
Migdal Insurance & Financial Holdings Ltd.187,500$3.22M0.03%00.0%Unchanged
Vanguard Group Inc170,265$2.92M0.00%−2,862−1.7%Reduced
Caas Capital Management LP162,599$2.79M0.21%+62,599+62.6%Added
Geode Capital Management, LLC136,472$2.34M0.00%+28,294+26.2%Added
Russell Investments Group, Ltd.125,873$2.16M0.00%+125,873New
State Street Corp116,064$1.99M0.00%+37,827+48.3%Added
Northern Trust Corp70,404$1.21M0.00%−5,370−7.1%Reduced
Bank of New York Mellon Corp29,789$512.0K0.00%+7,576+34.1%Added
Nuveen Asset Management, LLC19,963$396.0K0.00%+7,962+66.3%Added
Evercore Wealth Management, LLC21,500$369.0K0.01%00.0%Unchanged
Charles Schwab Investment Management Inc19,422$334.0K0.00%+3,384+21.1%Added
Levin Capital Strategies, L.P.15,000$257.0K0.03%+15,000New
New York State Common Retirement Fund14,765$253.0K0.00%+1,734+13.3%Added
Deutsche Bank AG4,351$75.0K0.00%−141−3.1%Reduced
American International Group, Inc.4,143$71.0K0.00%−98−2.3%Reduced
California State Teachers Retirement System4,042$69.0K0.00%−6,423−61.4%Reduced
JPMorgan Chase & Co3,848$66.0K0.00%−5,504−58.9%Reduced
STRS Ohio1,800$30.0K0.00%00.0%Unchanged
UBS Group AG1,639$28.0K0.00%+639+63.9%Added
Morgan Stanley1,514$26.0K0.00%+1,247+467.0%Added
Citigroup Inc867$15.0K0.00%−1,149−57.0%Reduced
Royal Bank of Canada796$14.0K0.00%+277+53.4%Added
Legal & General Group Plc736$13.0K0.00%00.0%Unchanged
Bank of America Corp619$11.0K0.00%+132+27.1%Added
Ameritas Investment Partners, Inc.593$10.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)418$7.00K0.00%+366+703.8%Added
Financial Perspectives, Inc250$4.29K0.00%00.0%Unchanged
Goldman Sachs Group Inc0$00.00%−37,435−100.0%Sold out
Aristides Capital LLC0$00.00%−25,585−100.0%Sold out
Arena Capital Advisors, LLC- CA0$00.00%−14,958−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−11,300−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−10,000−100.0%Sold out