Mpm Bioventures 2018, L.P. (CIK 0001729505)

Latest company ownership

Shares held
4,381,062
Last filed at
Dec 12, 2024
Confidence Score
49.9
2025Q4
Confidence Score History
2021Q4 2025Q4
Role: 10% Owner
Shares held
341,709
Last filed at
Jan 8, 2026
Confidence Score
87.5
2026Q1
Confidence Score History
2026Q1 2026Q1

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jan 12, 2026 Jan 14, 2026 Aktis Oncology, Inc. 10% Owner Buy 100.0 +1,112,777 12.17% $20M
Dec 10, 2024 Dec 12, 2024 Entrada Therapeutics, Inc. 10% Owner Sell 20.0 -44,722 -1.01% $917.1K
Nov 2, 2021 Nov 4, 2021 Entrada Therapeutics, Inc. 10% Owner Buy 87.5 +100,000 2.31% $2M