$243 Million is the total value of MPM ASSET MANAGEMENT LLC's 7 reported holdings in Q1 2019. The portfolio turnover from Q4 2018 to Q1 2019 was 50.0% .
| Value | Shares | ↓ Weighting | ||||||
|---|---|---|---|---|---|---|---|---|
| RYTM | Rhythm Pharmaceuticals, Inc. | $84,283,000 | +2.0% | 3,074,893 | 0.0% | 34.75% | -50.3% | |
| TCRR | New | TCR2 Therapeutics, Inc. | $70,607,000 | – | 4,050,865 | +100.0% | 29.12% | – |
| HARP | New | Harpoon Therapeutics, Inc. | $42,846,000 | – | 4,524,425 | +100.0% | 17.67% | – |
| CHMA | Chiasma, Inc. | $29,829,000 | +67.2% | 5,736,296 | 0.0% | 12.30% | -18.5% | |
| SNDX | Syndax Pharmaceuticals, Inc. | $11,386,000 | +18.0% | 2,168,691 | 0.0% | 4.70% | -42.5% | |
| CNAT | Conatus Pharmaceuticals, Inc. | $2,662,000 | -37.6% | 2,464,807 | 0.0% | 1.10% | -69.6% | |
| PETX | Aratana Therapeutics, Inc. | $900,000 | -41.3% | 250,000 | 0.0% | 0.37% | -71.4% | |
| PRTO | Exit | Proteon Therapeutics, Inc. | $0 | – | -983,381 | -100.0% | -1.89% | – |
Original filings
The following EDGAR filing(s) were analyzed to create this report:
- View 13F-HR/A filed 2019-05-29
Top long-term holdings
| Name | Quarters owned | Latest quarter owned | Max weighting |
|---|---|---|---|
| Chiasma, Inc. | 24 | Q2 2021 | 19.8% |
| Aratana Therapeutics, Inc. | 24 | Q1 2019 | 26.8% |
| Conatus Pharmaceuticals, Inc. | 23 | Q1 2019 | 9.7% |
| Rhythm Pharmaceuticals, Inc. | 19 | Q2 2022 | 69.9% |
| Harpoon Therapeutics, Inc. | 19 | Q3 2023 | 31.9% |
| Syndax Pharmaceuticals, Inc. | 19 | Q3 2020 | 14.5% |
| Radius Health, Inc. | 17 | Q2 2018 | 76.4% |
| TCR2 Therapeutics, Inc. | 17 | Q1 2023 | 29.1% |
| Proteon Therapeutics, Inc. | 17 | Q4 2018 | 3.0% |
| EpiZyme, Inc. | 15 | Q4 2016 | 35.9% |
View MPM ASSET MANAGEMENT LLC's complete holdings history.
Latest filings
| Type | Filed |
|---|---|
| 13F-HR | 2024-02-13 |
| 13F-HR | 2023-11-14 |
| 13F-HR/A | 2023-09-07 |
| 13F-HR | 2023-08-14 |
| 4 | 2023-06-05 |
| 4 | 2023-05-24 |
| 13F-HR | 2023-05-12 |
| 13F-HR | 2023-02-14 |
| 13F-HR | 2022-11-14 |
| 13F-HR | 2022-08-11 |
View MPM ASSET MANAGEMENT LLC's complete filings history.
All filings
- Holdings (13F-HR)
- Significant ownership (13-D/G)
- Insider transactions (4, 5, 6)
- Events (8-K)
- Shareholder votes (proxy)
View complete filings history.