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MPM ASSET MANAGEMENT LLC
Period ended Sep 30, 2025 · Latest filing Nov 14, 2025
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2025: $44,506,160
More quarters will appear as history becomes available.
Top holdings
Top 10 at Sep 30, 2025. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- Entrada Therapeutics, Inc. · Common · 29384C108 · shares: $25,410,160
- Dyne Therapeutics, Inc. · Common · 26818M108 · shares: $8,632,056
- Werewolf Therapeutics, Inc. · Common · 95075A107 · shares: $8,490,424
- Repare Therapeutics, Inc. · Common · 760273102 · shares: $1,973,520
Reported holdings
4 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| Entrada Therapeutics, Inc. | Common | 29384C108 | — | 4,381,062 shares | $25,410,160 |
| Dyne Therapeutics, Inc. | Common | 26818M108 | — | 682,376 shares | $8,632,056 |
| Werewolf Therapeutics, Inc. | Common | 95075A107 | — | 4,309,860 shares | $8,490,424 |
| Repare Therapeutics, Inc. | Common | 760273102 | — | 1,121,318 shares | $1,973,520 |