Stock Ownership/ABVX

ABIVAX SA (ABVX): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in ABVX · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
18
13F filers
Aggregate Value
$559.4M
Across holders
Last Price
$116.15
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity13 increased5 reduced4 exited
Full exits: Hudson Bay Capital Management LP, CAXTON ASSOCIATES LLP, BAKER BROS. ADVISORS LP, Brevan Howard Capital Management LP
Institutional Holders of ABVX
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18 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.44M$191.7M34.3%0.0%Added+$82.0MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund604K$80.5M14.4%0.1%Added+$52.0MQ2 2026
ORBIMED ADVISORS LLC
CIK 0001055951
Hedge Fund547K$72.8M13.0%1.3%Added+$10.8MQ2 2026
Holocene Advisors, LP
CIK 0001700574
Hedge Fund419K$55.8M10.0%0.1%Added+$21.3MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund234K$31.1M5.6%0.0%Reduced$-49.6MQ2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund227K$30.2M5.4%0.1%Added+$143KQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund187K$25.0M4.5%0.0%Added+$11.4MQ2 2026
FARALLON CAPITAL MANAGEMENT LLC
CIK 0000909661
Hedge Fund122K$16.3M2.9%0.1%Added+$16.0MQ2 2026
Verition Fund Management LLC
CIK 0001454027
Hedge Fund106K$14.1M2.5%0.1%Added+$13.4MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund90K$12.0M2.2%0.0%Added+$11.4MQ2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$191.7M· 34.3% of total· 0.0% port· 1.44M sh· +$82.0M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$80.5M· 14.4% of total· 0.1% port· 604K sh· +$52.0M QoQ· Q2 2026
ORBIMED ADVISORS LLCAdded
Hedge Fund
$72.8M· 13.0% of total· 1.3% port· 547K sh· +$10.8M QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$55.8M· 10.0% of total· 0.1% port· 419K sh· +$21.3M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$31.1M· 5.6% of total· 0.0% port· 234K sh· $-49.6M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$30.2M· 5.4% of total· 0.1% port· 227K sh· +$143K QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$25.0M· 4.5% of total· 0.0% port· 187K sh· +$11.4M QoQ· Q2 2026
FARALLON CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$16.3M· 2.9% of total· 0.1% port· 122K sh· +$16.0M QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$14.1M· 2.5% of total· 0.1% port· 106K sh· +$13.4M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$12.0M· 2.2% of total· 0.0% port· 90K sh· +$11.4M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$10.8M· 1.9% of total· 0.0% port· 81K sh· — QoQ· Q2 2026
MAVERICK CAPITAL LTDAdded
Hedge Fund
$5.3M· 1.0% of total· 0.0% port· 40K sh· — QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$4.2M· 0.8% of total· 0.0% port· 32K sh· +$3.6M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$4.2M· 0.7% of total· 0.0% port· 31K sh· — QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$3.5M· 0.6% of total· 0.0% port· 27K sh· $-49.8M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$1.2M· 0.2% of total· 0.0% port· 9K sh· $-719K QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$670K· 0.1% of total· 0.0% port· 5K sh· $-596K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$2K· 0.0% of total· 0.0% port· 12 sh· $-5K QoQ· Q2 2026
1–10 of 18
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