WEREWOLF THERAPEUTICS, INC.

PublicCIK: 1785530
HOWLNASDAQ
Location

WALTHAM, MA

13F Filings

Institutional Holders

WEREWOLF THERAPEUTICS, INC.HOWL— Latest position per institution from SEC 13F filings

15

Institutional holders

23.09M

Total shares held

30.53M

Estimated value

1.15M

Avg. position size

1

MPM ASSET MANAGEMENT LLC

CIK 1263048

Shares

4.31M

Value

8.49M

Filed

Sep 30, 2025

2

RA CAPITAL MANAGEMENT, L.P.

CIK 1346824

Shares

2.39M

Value

859.35K

Filed

Jun 30, 2026

3

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 1165408

Shares

2M

Value

4.24M

Filed

Sep 30, 2024

4

BALYASNY ASSET MANAGEMENT L.P.

CIK 1218710

Shares

1.79M

Value

644.25K

Filed

Jun 30, 2026

5

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

1.59M

Value

3.87M

Filed

Jun 30, 2024

6

VANGUARD GROUP INC

CIK 102909

Shares

1.41M

Value

892.70K

Filed

Dec 31, 2025

7

RUBRIC CAPITAL MANAGEMENT LP

CIK 1687509

Shares

1.33M

Value

1.30M

Filed

Mar 31, 2025

8

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

1.22M

Value

438.47K

Filed

Jun 30, 2026

9

DEERFIELD MANAGEMENT COMPANY, L.P.

CIK 1009258

Shares

958.13K

Value

4.32K

Filed

Sep 30, 2022

10

MONASHEE INVESTMENT MANAGEMENT LLC

CIK 1627608

Shares

890K

Value

5.77M

Filed

Mar 31, 2024

11

EAGLE HEALTH INVESTMENTS LP

CIK 1842545

Shares

700K

Value

1.48M

Filed

Sep 30, 2024

12

RENAISSANCE TECHNOLOGIES LLC

CIK 1037389

Shares

674.63K

Value

242.80K

Filed

Jun 30, 2026

13

LYNX1 CAPITAL MANAGEMENT LP

CIK 1910456

Shares

657.79K

Value

236.74K

Filed

Jun 30, 2026

14

SPHERA FUNDS MANAGEMENT LTD.

CIK 1496201

Shares

626.81K

Value

225.59K

Filed

Jun 30, 2026

15

DC FUNDS, LP

CIK 1869028

Shares

589.10K

Value

212.02K

Filed

Jun 30, 2026

16

SQUADRON CAPITAL MANAGEMENT LLC

CIK 2050709

Shares

563.53K

Value

469.20K

Filed

Mar 31, 2026

17

PFM HEALTH SCIENCES, LP

CIK 1442756

Shares

401.11K

Value

790.19K

Filed

Sep 30, 2025

18

VERDAD ADVISERS, LP

CIK 1812822

Shares

348.71K

Value

125.50K

Filed

Jun 30, 2026

19

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

335.81K

Value

120.89K

Filed

Jun 30, 2026

20

BANK OF AMERICA CORP /DE/

CIK 70858

Shares

311.50K

Value

111.83K

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.