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MPM BIOIMPACT LLC

Position in ABVX — Abivax S.A.

CIK 1687078 BOSTON, MA

Position in ABVX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$44,821,601
+$32,877,310 QoQ
Shares Held
336,347
+213.6% QoQ
Ownership
0.385%
of shares outstanding
% of Portfolio
2.73%
of 13F equity value
Holder Rank
#38
of 301 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ABVX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

MPM BIOIMPACT LLC holds $1,463,416,616 across 34 Biotechnology names. ABVX ranks #13 (3.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ABVX

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $44,821,601 336,347
2026-03-31 $11,944,291 107,268
2025-12-31 $7,594,494 56,316