DOSSIER · 13F-HR · Q3 2025

MPM ASSET MANAGEMENT LLC

$43M in tracked AUM across 3 positions as of Q3 2025.

MA
CIK 0001263048 · last filed Sep 30, 2025
Total AUM
$43M
as of Q3 2025
Holdings
3
positions
Whale Score
53
53
tracked
Activity
no data
changes this Q
AI Analysis · Q3 2025

Based on the SEC 13F filing data provided for MPM Asset Management LLC as of September 30, 2025, here is a comprehensive analysis.

Portfolio Overview

MPM Asset Management LLC presents a highly concentrated, high-conviction investment portfolio with a total value of $42.53 million. The fund’s strategy is characterized by extreme selectivity, holding only 3 positions, which indicates a preference for idiosyncratic risk over broad market diversification. The portfolio experienced a slight con...

Key Holdings

The portfolio is dominated by three core positions, all of which represent significant weightings in the fund.

Quarter at a glance — Q3 2025

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q3 2025.

#HoldingValueSharesWeight
01
TRDA
Entrada Therapeutics, Inc.
$25M4.4M59.7%
02
DYN
Dyne Therapeutics, Inc.
$9M682K20.3%
03
HOWL
Werewolf Therapeutics, Inc.
$8M4.3M20.0%

Filing history

2025Q3Sep 30
$43M 1.9%
3 positionsView →
2025Q2Jun 30
$43M 36.6%
5 positionsLocked
2025Q1Mar 31
$68M 45.1%
5 positionsLocked
2024Q4Dec 31
$124M 14.4%
6 positionsLocked
2024Q3Sep 30
$145M 20.2%
6 positionsLocked
2024Q2Jun 30
$182M 25.7%
6 positionsLocked
2024Q1Mar 31
$245M 20.5%
6 positionsLocked
2023Q4Dec 31
$204M 9.0%
7 positionsLocked
2023Q3Sep 30
$187M 8.4%
7 positionsLocked
2023Q2Jun 30
$204M 15.0%
8 positionsLocked
2023Q1Mar 31
$240M 0.4%
9 positionsLocked
2022Q4Dec 31
$239M 9.0%
9 positionsLocked
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