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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, Q2 2022

Institutional positions in Werewolf Therapeutics, Inc. as of Jun 30, 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
46
−2 vs. Q1 2022
Shares held
19.1M
+56.4K (+0.3%) vs. Q1 2022
Total value
$78.0M
−$6.23M (−7.4%) vs. Q1 2022
New holders
14
7 more added
Sold out
16
15 more reduced

1 institution that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: 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 holdersQ2 2022: 46 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 heldQ2 2022: $78.0M
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, Q2 2022

Shares, value and share of portfolio for each institution holding Werewolf Therapeutics, Inc.; share changes are against Q1 2022.

Institutions holding HOWL in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.4,291,881$17.6M0.47%00.0%Unchanged
MPM Asset Management LLC4,284,172$17.5M7.39%00.0%Unchanged
MPM Oncology Impact Management LP2,388,011$9.77M2.71%00.0%Unchanged
PFM Health Sciences, LP1,730,723$7.08M0.28%+1,145,396+195.7%Added
Adage Capital Partners GP, L.L.C.1,000,597$4.09M0.01%+25,000+2.6%Added
Deerfield Management Company, L.P. (Series C)958,125$3.92M0.08%00.0%Unchanged
Sphera Funds Management Ltd.597,003$2.44M0.46%+12,800+2.2%Added
DC Funds, LP589,102$2.41M33.24%00.0%Unchanged
Laurion Capital Management LP535,160$2.19M0.09%+535,160New
FMR LLC518,772$2.12M0.00%+1370.0%Added
Vanguard Group Inc396,069$1.62M0.00%−126,018−24.1%Reduced
Millennium Management LLC248,917$1.02M0.00%+206,516+487.1%Added
Oasis Management Co Ltd.246,305$1.01M0.18%+246,305New
Platinum Investment Management Ltd213,381$873.0K0.03%00.0%Unchanged
Alyeska Investment Group, L.P.206,201$843.0K0.01%00.0%Unchanged
Rubric Capital Management LP204,996$838.0K0.04%+204,996New
BlackRock Inc.183,957$752.0K0.00%−1,099,588−85.7%Reduced
Ergoteles LLC129,000$528.0K0.02%+129,000New
Geode Capital Management, LLC79,280$324.0K0.00%−209,025−72.5%Reduced
Caas Capital Management LP62,599$256.0K0.03%−38,996−38.4%Reduced
Bridgeway Capital Management, LLC36,211$148.0K0.00%+36,211New
State Street Corp24,568$100.0K0.00%−310,519−92.7%Reduced
Qube Research & Technologies Ltd22,535$92.0K0.00%+22,535New
Morgan Stanley22,286$91.0K0.00%+14,656+192.1%Added
Bailard, Inc.21,200$87.0K0.00%+21,200New
Renaissance Technologies LLC16,800$69.0K0.00%+16,800New
Northern Trust Corp13,818$57.0K0.00%−181,250−92.9%Reduced
Cubist Systematic Strategies, LLC13,250$54.0K0.00%+13,250New
Goldman Sachs Group Inc10,983$45.0K0.00%−672−5.8%Reduced
Y-Intercept (Hong Kong) Ltd11,124$45.0K0.01%+11,124New
UBS Group AG4,257$18.0K0.00%+2,154+102.4%Added
JPMorgan Chase & Co3,698$15.0K0.00%−11,929−76.3%Reduced
Bank of America Corp2,694$11.0K0.00%−19,623−87.9%Reduced
Tower Research Capital LLC (TRC)2,343$10.0K0.00%−374−13.8%Reduced
Citigroup Inc736$3.00K0.00%−1,946−72.6%Reduced
Oliver Lagore Vanvalin Investment Group580$2.00K0.00%00.0%Unchanged
Financial Perspectives, Inc250$1.02K0.00%00.0%Unchanged
New York State Common Retirement Fund187$1.00K0.00%−13,866−98.7%Reduced
Royal Bank of Canada233$1.00K0.00%−1,389−85.6%Reduced
Wells Fargo & Company50$00.00%−5,697−99.1%Reduced
Barclays PLC108$00.00%−4,179−97.5%Reduced
Daiwa Securities Group Inc.80$00.00%00.0%Unchanged
Credit Suisse AG14$00.00%+14New
Group One Trading, L.P.15$00.00%+15New
Glassman Wealth Services5$00.00%+5New
Ellevest, Inc.31$00.00%+31New
Migdal Insurance & Financial Holdings Ltd.0$00.00%−187,500−100.0%Sold out
Nuveen Asset Management, LLC0$00.00%−36,879−100.0%Sold out
Bank of New York Mellon Corp0$00.00%−68,338−100.0%Sold out
Charles Schwab Investment Management Inc0$00.00%−60,646−100.0%Sold out
Granite Point Capital Management, L.P.0$00.00%−55,000−100.0%Sold out
Evercore Wealth Management, LLC0$00.00%−46,500−100.0%Sold out
Rhumbline Advisers0$00.00%−22,550−100.0%Sold out
Citadel Advisors LLC0$00.00%−20,144−100.0%Sold out
Two Sigma Investments, LP0$00.00%−15,180−100.0%Sold out
Deutsche Bank AG0$00.00%−14,349−100.0%Sold out
American International Group, Inc.0$00.00%−13,111−100.0%Sold out
California State Teachers Retirement System0$00.00%−11,286−100.0%Sold out
Amalgamated Bank0$00.00%−3,946−100.0%Sold out
Legal & General Group Plc0$00.00%−2,613−100.0%Sold out
Ameritas Investment Partners, Inc.0$00.00%−2,041−100.0%Sold out
STRS Ohio0$00.00%−1,800−100.0%Sold out
Amalgamated Financial Corp.––––Not filed