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Security record · archived quarter

ABVX

Abivax S.A. · Healthcare · Biotechnology

116.52 -1.2% mkt cap $8.56B quote delayed (FMP) · as of Aug 26 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
5Tracked holders
-1Δ holders
1.91MShares held
$14.02MReported value
+1New positions
−2Exits
Strongly Falling How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -16.7% · share flow -14.2% · net new positions -20.0%formula
Broad distribution — falling shares and fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 83 +12 15.45M $2.06B +16 −3
Q1 2026 72 -1 18.00M $2.00B +4 −5
Q4 2025 72 +3 22.08M $2.98B +3
Q3 2025 11 +5 9.45M $802.20M +5
Q2 2025 4 -1 2.69M $20.57M −1
Q1 2025 5 0 2.48M $15.51M +1 −1
Q4 2024 5 -1 1.91M $14.02M +1 −2
Q3 2024 6 +1 2.23M $25.72M +1
Q2 2024 5 1.50M $19.77M
Holder count
Who holds it · Q4 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 Millennium Management 931.18K +44.2% $6.82M 0.0% ▲ Add 3 SEC ↗
2 Citadel Advisors 855.68K +83.5% $6.26M 0.0% ▲ Add 3 SEC ↗
3 Citadel Advisors 855.68K +83.5% $6.26M 0.0% ▲ Add 3 SEC ↗
4 Point72 Asset Management 91.30K -83.2% $668,316 0.0% ▼ Trim 3 SEC ↗
5 Two Sigma Investments 19.74K New $144,468 0.0% New 1 SEC ↗
6 Geode Capital Management (passive) 16.75K +7.6% $122,602 0.0% ▲ Add 3 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Two Sigma Investments $144,468 0.0%

Exited

Adage Capital Partners $6.12M was 0.0%
Marshall Wace $356,085 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 250 holders, 49.39M shares, $5.28B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2024 · Methodology · Get this via the API