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DIADEMA PARTNERS LP

Position in ABVX — Abivax S.A.

CIK 2026172 MORRISTOWN, NJ

Position in ABVX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$21,807,199
+$13,350,835 QoQ
Shares Held
163,644
+115.5% QoQ
Ownership
0.188%
of shares outstanding
% of Portfolio
8.23%
of 13F equity value
Holder Rank
#60
of 301 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ABVX Over Time

Shares Held

Position Value (USD)

Derivatives in ABVX

reported options exposure · as of Jun 30, 2026
CallValue
$46,534,392
CallShares
349,200
PutValue
$33,634,824
PutShares
252,400

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

DIADEMA PARTNERS LP holds $217,374,297 across 66 Biotechnology names. ABVX ranks #2 (10.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 ABVX
Abivax S.A.
This page
163,644 $21,807,199

All Filings in ABVX

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $21,807,199 163,644
2026-06-30 $46,534,392 349,200
2026-06-30 $33,634,824 252,400
2026-03-31 $11,135,000 100,000
2026-03-31 $8,456,364 75,944
2026-03-31 $11,135,000 100,000
2025-12-31 $10,200,971 75,644
2025-09-30 $3,533,538 41,620