MPM Asset Management LLC
In its 13F for Q2 2024 (holdings as of June 30, 2024, filed August 14, 2024), MPM Asset Management LLC reported 6 stock positions worth $182.1 million. Its top holding was Entrada Therapeutics (TRDA) at 34.6% of the portfolio, followed by Dyne Therapeutics (DYN, 30.3%) and Iteos Therapeutics (ITOS, 22.3%). Compared with Q1 2024, it reduced 1. The biggest sale was Dyne Therapeutics (DYN, shares −55%).
- Most Recent 13F
- Q3 2025
- Location
- BOSTON, MA
- CIK
- 0001263048
- Portfolio Value
- $182.1M (Q2 2024)
- SEC Filing
- 0000950123-24-008624 ↗ filed Aug 14, 2024
Holdings Value
Holdings 6 stocks · $182.1M
| TRDA Entrada Therapeutics Inc. | 34.64% | 4,425,784 | $63.1M | No change |
| DYN Dyne Therapeutics Inc. | 30.26% | 1,561,496 | $55.1M | Reduce -54.8% |
| ITOS Iteos Therapeutics Inc. | 22.32% | 2,738,785 | $40.6M | No change |
| HOWL Werewolf Therapeutics Inc. | 5.74% | 4,284,172 | $10.5M | No change |
| RPTX Repare Therapeutics Inc. | 4.06% | 2,242,636 | $7.4M | No change |
| ADAPY Adaptimmune Therapeutics-ADR | 2.97% | 5,555,461 | $5.4M | No change |
Portfolio Sells Q1 2024 → Q2 2024
| DYN Dyne Therapeutics Inc. | Reduce -54.8% | 30.26% | −9.70 |
Portfolio Buys Q1 2024 → Q2 2024
| None this quarter. | |||
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q3 2025 | 4 | $44.5M | TRDA, DYN, HOWL, RPTX |
| Q2 2025 | 5 | $43.3M | TRDA, DYN, HOWL, RPTX, ADAPY |
| Q1 2025 | 6 | $69.4M | TRDA, ITOS, DYN, HOWL, RPTX |
| Q4 2024 | 6 | $124.4M | TRDA, ITOS, DYN, HOWL, ADAPY |
| Q3 2024 | 6 | $145.3M | TRDA, ITOS, DYN, HOWL, RPTX |
| Q2 2024 | 6 | $182.1M | TRDA, DYN, ITOS, HOWL, RPTX |
| Q1 2024 | 6 | $245.2M | DYN, TRDA, ITOS, HOWL, RPTX |