Updated: May 19, 2026

MPM BioImpact LLC

ITOSiTeos Therapeutics, Inc.SEC CIK: 0001687078
Estimated Net Worth
$161 Million
Last Updated: May 19, 2026 11:44 PM EST

Transaction Summary

Total Transactions66
Buy-Sell Ratio0.14
Buy Transactions7
Sell Transactions51

Transaction Volume

Total Volume$90.8M
Net Volume-$78.18M
Buy Volume$6.31M
Sell Volume$84.49M

Trade Analysis

AVG Trade Size$1.38M
Largest Trade$10.45M
Most Active MonthSep
Most Active Year2021

Trading Sentiment

OverallBearish
Recent TradeSelling
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

MPM BioImpact LLC has an estimated net worth of $161 Million. This is based on reported shares across multiple companies, which include iTeos Therapeutics, Inc., Werewolf Therapeutics, Inc., Harpoon Therapeutics, Inc., Spring Bank Pharmaceuticals, Inc., TCR2 THERAPEUTICS INC., SUNESIS PHARMACEUTICALS INC, Oncorus, Inc., and Cullinan Oncology, Inc..



2020 was MPM BioImpact LLC's most active year for acquiring shares with 24 total transactions. MPM BioImpact LLC's most active month to acquire stocks was the month of June. 2021 was MPM BioImpact LLC's most active year for disposing of shares, totalling 145 transactions. MPM BioImpact LLC's most active month to dispose stocks was the month of August. 2019 saw MPM BioImpact LLC paying a total of $13,506,258.12 for 7,269,851 shares, this is the most they've acquired in one year. In 2025 MPM BioImpact LLC cashed out on 3,021,749 shares for a total of $10,545,326.58, their largest year based on trade value.

Holdings & Transactions

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