MPM ASSET MANAGEMENT LLC current holdings: USA Stocks
MPM ASSET MANAGEMENT LLC reported $0.04 billion in share positions in stocks (listed in the US), 4 positions, in its Form 13F for the quarter ended 2025-09-30; the largest are TRDA, DYN, HOWL.
- TRDA: Country of operation United States; Class Common; Shares 4,381,062; Value $25,410,160.
- DYN: Country of operation United States; Class Common; Shares 682,376; Value $8,632,056.
- HOWL: Country of operation United States; Class Common; Shares 4,309,860; Value $8,490,424.
- RPTX: Country of operation —; Class Common; Shares 1,121,318; Value $1,973,520.
Form 13F-HR as filed (SEC CIK 1263048): quarter ended 2025-09-30, filed 2025-11-14. The manager files one row per sub-manager; rows for the same security, class and put/call are added together.
Performance is each holding's price change from its close on the 2025-09-30 quarter end to its latest retained close (2026-09-29, or the date shown for a stock that stopped trading). Price only; dividends are not included. A stock that split in the period is restated by the split ratio in its own Form 8-K; a dash marks a holding with no retained closes.
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