# Werewolf Therapeutics, Inc. Common

Werewolf Therapeutics, Inc. Common is a security (CUSIP 95075A107) tracked across SEC portfolio filings. 51 institutional managers reported $20.0M on Form 13F as of 2026-06-30; 3 registered fund positions totaling $287K via N-PORT as of 2026-05-29.

## Summary

- Issuer: Werewolf Therapeutics, Inc.
- Class: Common
- CUSIP: 95075A107
- Asset category: EC
- 13F holders: 51
- 13F value: $20.0M
- 13F period: 2026-06-30
- N-PORT fund positions: 3
- N-PORT value: $287K
- N-PORT report: 2026-05-29

## Top institutional holders (Form 13F)

_Showing 15 of 51 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [MPM ASSET MANAGEMENT LLC](https://search.stillhousedata.com/firm/148467) | BOSTON, MA | $8.5M | 4,309,860 |
| RA CAPITAL MANAGEMENT, L.P. | Boston, MA | $5.6M | 6,681,307 |
| [MPM BIOIMPACT LLC](https://search.stillhousedata.com/firm/309865) | BOSTON, MA | $1.0M | 1,208,810 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $893K | 1,408,047 |
| [Lynx1 Capital Management LP](https://search.stillhousedata.com/firm/310301) | SAN JUAN, PR | $548K | 657,786 |
| [SPHERA FUNDS MANAGEMENT LTD.](https://search.stillhousedata.com/firm/312614) | TEL AVIV, L3 | $522K | 626,810 |
| DC Funds, LP | MCLEAN, VA | $490K | 589,102 |
| [Squadron Capital Management LLC](https://search.stillhousedata.com/firm/334296) | WESTMONT, IL | $469K | 563,535 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $430K | 516,218 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $324K | 389,487 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $220K | 264,583 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $110K | 132,050 |
| STATE STREET CORP | BOSTON, MA | $99K | 119,168 |
| [Cubist Systematic Strategies, LLC](https://search.stillhousedata.com/firm/292081) | Stamford, CT | $92K | 46,711 |
| BlackRock, Inc. | New York, NY | $85K | 101,608 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $287K | 0.04% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $416 | 0.00% |
| Guggenheim Active Allocation Fund | Guggenheim Active Allocation Fund | $69 | 0.00% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/95075A107.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.