HOWL — Werewolf Therapeutics, Inc.

Ownership history in MPM BioImpact LLC  ·  19 quarters on record

This page tracks every 13F SEC filing in which MPM BioImpact LLC reported a position in Werewolf Therapeutics, Inc. (HOWL). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
6.84% (2021 Q2)
Avg. % of fund
2.14%
First filed
2021 Q2
Last filed
2025 Q4
Quarters held
19
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 1,393,557 -1,015,253 -42.1% 0.10% $884K $0.63
2025 Q3 UNCHANGED 2,408,810 — 0% 0.78% $4.7M $1.97
2025 Q2 UNCHANGED 2,408,810 — 0% 0.45% $2.6M $1.09
2025 Q1 ADDED 2,408,810 +20,799 +0.9% 0.40% $2.3M $0.97
15 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    HOWL price (monthly, adj. close)

Other funds also holding HOWL

As of 2025 Q4 — sorted by position size

DC Funds, LP 3Y 25.69% Lynx1 Capital Management LP 3Y 0.08% SPHERA FUNDS MANAGEMENT LTD. 3Y 7Y 0.08% RA CAPITAL MANAGEMENT, L.P. 3Y 7Y 0.04% Ranch Capital Advisors Inc. 3Y 0.0% HIGHLINE WEALTH PARTNERS LLC 0.0% Regal Investment Advisors LLC 3Y 7Y 0.0% Delta Investment Management, LLC 3Y 7Y 0.0% Financial Perspectives, Inc 0.0% BRIDGEWAY CAPITAL MANAGEMENT, LLC 3Y 7Y 0.0%
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