Question 1

What is MPM ASSET MANAGEMENT LLC's portfolio value?

Accepted Answer

As of Q3 2025, MPM ASSET MANAGEMENT LLC manages $44.5M across 4 reported positions in their SEC 13F filing.

Question 2

What are MPM ASSET MANAGEMENT LLC's top holdings?

Accepted Answer

MPM ASSET MANAGEMENT LLC's largest 13F positions include TRDA, DYN, HOWL, representing approximately 95.6% of the reported portfolio.

Question 3

How many stocks does MPM ASSET MANAGEMENT LLC hold?

Accepted Answer

MPM ASSET MANAGEMENT LLC holds 4 reported positions as of their Q3 2025 13F filing.

Question 4

When did MPM ASSET MANAGEMENT LLC last file a 13F?

Accepted Answer

The most recent 13F filing from MPM ASSET MANAGEMENT LLC reports positions as of Q3 2025. 13F filings are required within 45 days of each calendar quarter end.

Rank	Stock	Shares	Value	% of Portfolio
1	TRDA Entrada Therapeutics, Inc.	4,381,062	$25.4M	57.09%
2	DYN Dyne Therapeutics, Inc.	682,376	$8.6M	19.40%
3	HOWL Werewolf Therapeutics, Inc.	4,309,860	$8.5M	19.08%
4	RPTX Repare Therapeutics, Inc.	1,121,318	$2.0M	4.43%

Sector	# Holdings	Value	%
Healthcare	3	$42.5M	95.6%
Unknown	1	$2.0M	4.4%

MPM ASSET MANAGEMENT LLC

Top 10 Holdings

Quarterly Changes

Top Buys

Top Sells

Closed Positions (1)

Sector Breakdown