Werewolf Therapeutics, Inc.HOWL

4 13D/G filings 2 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 2 activist filings on this issuer

Median 30d

—

avg —

Median 60d

—

avg —

Median 90d

—

avg —

Median 180d

—

avg —

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Activist filings

2 SCHEDULE · 2 SC

Distinct filers

multi-activist cluster

Insiders (365d)

0 buys · 0 sales

Latest short DTC

5.10

as of 2026-03-31

Held by elite portfolio managers

1 holder · $9K

Point72 Asset Mgmt

Filed	Form	Filer	Stake	Shares
2025-12-29	SCHEDULE	MPM BioVentures 2014, L.P.	8.20%	3,977,612	view →
2025-05-14	SCHEDULE	RA CAPITAL MANAGEMENT, L.P.	15.00%	6,746,807	view →
2022-08-12	SC	RA CAPITAL MANAGEMENT, L.P.	—	—	view →
2021-06-16	SC	RA CAPITAL MANAGEMENT, L.P.	—	—	view →

Settlement	Short Interest	Days to Cover	% Δ vs prior
2026-03-31	1,383,049	5.10	-1.4%
2026-03-13	1,402,079	2.82	-32.3%
2026-02-27	2,069,809	5.02	+1.0%
2026-02-13	2,050,094	6.22	-15.3%
2026-01-30	2,419,408	4.63	+5.8%
2026-01-15	2,286,905	4.70	+7.9%
2025-12-31	2,118,631	1.63	+45.1%
2025-12-15	1,459,615	3.07	+42.4%

Free. We email you when criteria match. One-click unsubscribe in every email.

Custom alerts · full feed · daily intelligence · API. $1,500/mo. Pilots welcome.