13F

Stock

Werewolf Therapeutics, Inc.

HOWL · held by 51 managers

Reported value

$9.34M

Holders

51

+0 new · −0 exited

Holders’ est. mark

−$1.03M

Price effect on 3 books still in the name

Largest holder

$4.23M

RA CAPITAL MANAGEMENT, L.P.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
RA CAPITAL MANAGEMENT, L.P.6.68M$4.23MHeld
Vanguard1.41M$892.7KHeld
MPM BIOIMPACT LLC1.39M$883.5KHeld
BANK OF AMERICA CORP /DE/737.5K$466.9K−$986.1KCut−$3.14M
Renaissance Technologies677.8K$429.4KHeld
Lynx1 Capital Management LP655.9K$415.5KHeld
SPHERA FUNDS MANAGEMENT LTD.626.8K$397.1KHeld
DC Funds, LP589.1K$373.2KHeld
GEODE CAPITAL MANAGEMENT, LLC335.9K$212.8KHeld
MILLENNIUM MANAGEMENT LLC240.1K$152.1KHeld
Alyeska Investment Group, L.P.235.7K$149.3KHeld
JANE STREET GROUP, LLC157.3K$99.7KHeld
State Street119.2K$75.5KHeld
BlackRock, Inc.101.6K$64.4KHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP99.8K$63.2KHeld
NORTHERN TRUST CORP86.9K$55KHeld
BRIDGEWAY CAPITAL MANAGEMENT, LLC77K$48.8KHeld
UBS Group AG60.7K$38.4KHeld
Vontobel Holding Ltd.60K$38KHeld
Regal Investment Advisors LLC52.6K$33.3KHeld
EDGEWOOD MANAGEMENT LLC50K$31.7KHeld
MORGAN STANLEY46K$29.1K−$25.7KCut−$8.78K
GOLDMAN SACHS GROUP INC34.1K$21.6KHeld
SIMPLEX TRADING, LLC24.1K$15.3KHeld
CERTUITY, LLC15K$9.5KHeld
Delta Investment Management, LLC14.9K$9.46KHeld
Point72 Asset Management, L.P.14.5K$9.18KHeld
BARCLAYS PLC13.2K$8.39K−$17.7KCut−$17.8K
Larson Financial Group LLC13.1K$8.27KHeld
HBK Sorce Advisory LLC13.2K$8.1KHeld
Engineers Gate Manager LP12.2K$7.72KHeld
HIGHLINE WEALTH PARTNERS LLC12K$7.6KHeld
Ranch Capital Advisors Inc.12K$7.6KHeld
StoneX Group Inc.10.5K$6.66KHeld
TWO SIGMA ADVISERS, LP10.3K$6.53KHeld
Cetera Investment Advisers10.2K$6.46KHeld
OSAIC HOLDINGS, INC.8.63K$5.43KHeld
Financial Perspectives, Inc6.75K$4.28KHeld
TFC Financial Management, Inc.4.5K$2.85KHeld
FEDERATED HERMES, INC.4.39K$2.78KHeld
Fidelity3.63K$2.3KHeld
JPMORGAN CHASE & CO2.07K$1.31KHeld
GROUP ONE TRADING LLC1.87K$1.19KHeld
BNP PARIBAS FINANCIAL MARKETS792$502Held
NISA INVESTMENT ADVISORS, LLC345$219Held
Arax Advisory Partners39$25Held
SBI Securities Co., Ltd.40$25Held
Optiver Holding B.V.22$14Held
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO4$3Held
CITIGROUP INC1$1Held
ROYAL BANK OF CANADA62$0Held

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.