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NASDAQ: HOWL
Werewolf Therapeutics Inc Stock Ownership - Who owns Werewolf Therapeutics?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Werewolf Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Luke EvninDirector2026-01-1638,782$0.54
$20.94kSell
Luke EvninDirector2026-01-1537,413$0.55
$20.58kSell
Luke EvninDirector2026-01-1430,616$0.57
$17.45kSell
Luke EvninDirector2026-01-1343,198$0.55
$23.76kSell
Luke EvninDirector2026-01-1258,980$0.57
$33.62kSell
Luke EvninDirector2026-01-0924,678$0.61
$15.05kSell
Luke EvninDirector2026-01-087,716$0.63
$4.86kSell
Luke EvninDirector2026-01-0711,915$0.64
$7.63kSell
Luke EvninDirector2026-01-0640,761$0.65
$26.49kSell
Luke EvninDirector2026-01-0518,378$0.64
$11.76kSell

1 of 12

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Net Insider Buy/Sell (L12M) Ownership

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HOWL Shareholders

What type of owners hold Werewolf Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ansbert Gadicke22.02%10,688,831$7.17MInsider
Mpm Bioventures 2014 LP22.02%10,688,831$7.17MInsider
Ra Capital Management LP13.76%6,681,307$4.48MInstitution
Luke Evnin12.25%5,947,334$3.99MInsider
Mpm Asset Management LLC8.88%4,309,860$2.89MInstitution
James E. Flynn5.26%2,552,787$1.71MInsider
Mpm Bioimpact LLC4.96%2,408,810$1.62MInstitution
Taiho Ventures LLC4.26%2,068,909$1.39MInsider
Sakae Asanuma4.26%2,068,909$1.39MInsider
Arkin Bio Ventures 2 LP4.22%2,046,634$1.37MInsider

1 of 3

HOWL vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
HOWL32.90%67.10%Net SellingNet Selling
PSTV3.79%17.39%Net BuyingNet Buying
ANEB40.89%59.11%
LTRN20.33%59.87%Net Selling
KYNB8.64%91.36%Net BuyingNet Buying
View Top Biotech Stocks

Werewolf Therapeutics Stock Ownership FAQ

Who owns Werewolf Therapeutics?

Werewolf Therapeutics (NASDAQ: HOWL) is owned by 43.49% institutional shareholders, 88.70% Werewolf Therapeutics insiders, and 0.00% retail investors. Ansbert Gadicke is the largest individual Werewolf Therapeutics shareholder, owning 10.69M shares representing 22.02% of the company. Ansbert Gadicke's Werewolf Therapeutics shares are currently valued at $7.63M.

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