13F Insight
DOSSIER · 13F-HR · Q1 2026

MPM BioImpact LLC

$1.3B in tracked AUM across 41 positions as of Q1 2026.

MB
CIK 0001687078 · last filed Mar 31, 2026
Total AUM
$1.3B
as of Q1 2026
Holdings
41
—
positions
Whale Score
64
64
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026

MPM BioImpact LLC filed its latest 13F-HR for Q1 2026. See the latest holdings and position changes below.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
DBVT
DBV Technologies S A
$109M5.2M8.4%02
CGEM
Cullinan Therapeutics, Inc.
$109M7.6M8.4%03
AKTS
Aktis Oncology, Inc.
$87M4.8M6.7%04
LQDA
Liquidia Corporation
$53M1.4M4.1%05
ALMS
Alumis Inc
$53M2.4M4.1%06
EWTX
Edgewise Therapeutics Inc
$52M1.7M4.0%07
RVMD
Revolution Medicines, Inc.
$49M507K3.8%08
AGIO
Agios Pharmaceuticals Inc
$44M1.3M3.4%09
CORT
Corcept Therapeutics, Inc.
$40M986K3.1%10
TRVI
Trevi Therapeutics Inc
$39M3.3M3.0%

Filing history

2026Q1Mar 31
$1.3B▲ 48.2%
41 positionsView →2025Q4Dec 31
$874M▲ 90.3%
38 positionsView →2025Q3Sep 30
$459M▼ 20.4%
30 positionsView →2025Q2Jun 30
$577M▲ 37.6%
44 positionsLocked2025Q1Mar 31
$419M▼ 40.5%
35 positionsLocked2024Q4Dec 31
$704M▲ 5.7%
47 positionsLocked2024Q3Sep 30
$667M▲ 3.6%
43 positionsLocked2024Q2Jun 30
$644M▲ 3.5%
44 positionsLocked2024Q1Mar 31
$622M▲ 45.5%
38 positionsLocked2023Q4Dec 31
$427M▲ 14.1%
32 positionsLocked2023Q3Sep 30
$375M▼ 24.6%
32 positionsLocked2023Q2Jun 30
$497M▲ 29.0%
34 positionsLocked
Showing 12 of 26