MPM BioImpact’s RAPT Therapeutics RAPT Stock Holding History

MPM BioImpact’s Portfolio RAPT Stock Details RAPT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-397,906	Closed	-$13.5M	–	45
2025 Q4	$13.5M	Buy	+397,906	New	+$12.4M	1.54%	31

MPM BioImpact's RAPT Position: Q1 2026 in Review

MPM BioImpact sold out of RAPT Therapeutics (RAPT) in Q1 2026, closing a stake of 397,906 shares — an estimated $13.5M sold.

MPM BioImpact first reported a position in RAPT in Q4 2025 and held it in 1 quarter. The position peaked at $13.5M in Q4 2025. 0 funds tracked by Wall St. Rank hold RAPT as of Q1 2026.

MPM BioImpact reported no remaining RAPT Therapeutics position as of Q1 2026 after selling out during the quarter.
MPM BioImpact sold 397,906 RAPT Therapeutics shares in Q1 2026, an estimated $13.5M.
MPM BioImpact first reported a position in RAPT Therapeutics in Q4 2025 and held it in 1 quarter.
MPM BioImpact's RAPT Therapeutics position peaked at $13.5M in Q4 2025.
0 funds tracked by Wall St. Rank held RAPT Therapeutics as of Q1 2026.

Based on MPM BioImpact's 13F filing for Q1 2026, filed 15 May 2026.