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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, Q1 2022

Institutional positions in Werewolf Therapeutics, Inc. as of Mar 31, 2022. 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
49
−2 vs. Q4 2021
Shares held
19.0M
−120.8K (−0.6%) vs. Q4 2021
Total value
$84.3M
−$144.0M (−63.1%) vs. Q4 2021
New holders
6
16 more added
Sold out
8
15 more reduced

Compare with Q4 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 holdersQ1 2022: 49 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 heldQ1 2022: $84.3M
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, Q1 2022

Shares, value and share of portfolio for each institution holding Werewolf Therapeutics, Inc.; share changes are against Q4 2021.

Institutions holding HOWL in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.4,291,881$18.9M0.41%00.0%Unchanged
MPM Asset Management LLC4,284,172$18.9M6.44%00.0%Unchanged
MPM Oncology Impact Management LP2,388,011$10.5M2.82%00.0%Unchanged
BlackRock Inc.1,283,545$5.65M0.00%+7,337+0.6%Added
Adage Capital Partners GP, L.L.C.975,597$4.29M0.01%+15,149+1.6%Added
Deerfield Management Company, L.P. (Series C)958,125$4.22M0.09%00.0%Unchanged
DC Funds, LP589,102$2.59M33.68%+8,200+1.4%Added
PFM Health Sciences, LP585,327$2.58M0.10%+185,327+46.3%Added
Sphera Funds Management Ltd.584,203$2.57M0.43%−64,188−9.9%Reduced
Vanguard Group Inc522,087$2.30M0.00%−5,458−1.0%Reduced
FMR LLC518,635$2.28M0.00%+147,901+39.9%Added
State Street Corp335,087$1.47M0.00%+75,461+29.1%Added
Geode Capital Management, LLC288,305$1.27M0.00%+74,081+34.6%Added
Platinum Investment Management Ltd213,381$939.0K0.03%00.0%Unchanged
Alyeska Investment Group, L.P.206,201$907.0K0.01%00.0%Unchanged
Northern Trust Corp195,068$859.0K0.00%−4,997−2.5%Reduced
Migdal Insurance & Financial Holdings Ltd.187,500$825.0K0.01%00.0%Unchanged
Nuveen Asset Management, LLC36,879$731.0K0.00%00.0%Unchanged
Caas Capital Management LP101,595$447.0K0.08%−61,004−37.5%Reduced
Bank of New York Mellon Corp68,338$301.0K0.00%+3,555+5.5%Added
Charles Schwab Investment Management Inc60,646$267.0K0.00%+52+0.1%Added
Granite Point Capital Management, L.P.55,000$242.0K0.12%+40,000+266.7%Added
Evercore Wealth Management, LLC46,500$205.0K0.00%+25,000+116.3%Added
Millennium Management LLC42,401$187.0K0.00%+42,401New
Rhumbline Advisers22,550$99.0K0.00%+3,245+16.8%Added
Bank of America Corp22,317$98.0K0.00%−5,948−21.0%Reduced
Citadel Advisors LLC20,144$89.0K0.00%+20,144New
JPMorgan Chase & Co15,627$68.0K0.00%−12,430−44.3%Reduced
Two Sigma Investments, LP15,180$67.0K0.00%−6,854−31.1%Reduced
Deutsche Bank AG14,349$63.0K0.00%−1,698−10.6%Reduced
New York State Common Retirement Fund14,053$62.0K0.00%+189+1.4%Added
American International Group, Inc.13,111$58.0K0.00%−923−6.6%Reduced
Goldman Sachs Group Inc11,655$51.0K0.00%+1,575+15.6%Added
California State Teachers Retirement System11,286$50.0K0.00%−3,148−21.8%Reduced
Morgan Stanley7,630$33.0K0.00%−433−5.4%Reduced
Wells Fargo & Company5,747$26.0K0.00%−6,952−54.7%Reduced
Barclays PLC4,287$19.0K0.00%+4,287New
Amalgamated Bank3,946$17.0K0.00%+3,946New
Amalgamated Financial Corp.3,946$17.0K0.00%+3,946New
Citigroup Inc2,682$12.0K0.00%−5,238−66.1%Reduced
Tower Research Capital LLC (TRC)2,717$12.0K0.00%+2,065+316.7%Added
Legal & General Group Plc2,613$11.0K0.00%+121+4.9%Added
UBS Group AG2,103$9.00K0.00%−7,356−77.8%Reduced
Ameritas Investment Partners, Inc.2,041$9.00K0.00%00.0%Unchanged
Royal Bank of Canada1,622$7.00K0.00%−4,058−71.4%Reduced
STRS Ohio1,800$7.00K0.00%00.0%Unchanged
Oliver Lagore Vanvalin Investment Group580$3.00K0.00%+580New
Financial Perspectives, Inc250$1.10K0.00%00.0%Unchanged
Daiwa Securities Group Inc.80$00.00%00.0%Unchanged
Avidity Partners Management LP0$00.00%−485,000−100.0%Sold out
Soleus Capital Management, L.P.0$00.00%−64,585−100.0%Sold out
Manufacturers Life Insurance Company, The0$00.00%−12,831−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−11,829−100.0%Sold out
MetLife Investment Management0$00.00%−11,421−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−8,460−100.0%Sold out
High Net Worth Advisory Group LLC0$00.00%−500−100.0%Sold out
Confluence Wealth Services, Inc.0$00.00%−100−100.0%Sold out