AI Holders Summary · Q2 2026

68 institutions reported ANTX in Q2 2026. Vivo Capital, LLC leads at 14.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

Hide index funds / market makers / custodians(2 on this page)

#HolderValueShares% port.Quarter

Vivo Capital, LLC

CIK 0001674712

$15M3.2M1.39%Q2 2026 02

Commodore Capital LP

CIK 0001831942

$14M2.9M0.85%Q2 2026 03

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$11M2.3M0.00%Q2 2026 04

BlackRock, Inc.

CIK 0002012383

$8M1.7M0.00%Q2 2026 05

Spruce Street Capital LP

CIK 0002050194

$8M1.7M1.58%Q2 2026 06

Almitas Capital LLC

CIK 0001596468

$7M1.5M1.70%Q2 2026 07

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$6M1.2M0.00%Q2 2026 08

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 0001165408

$5M1.0M0.01%Q2 2026 09

CITADEL ADVISORS LLC

CIK 0001423053

$5M952K0.00%Q2 2026 10

Boxer Capital Management, LLC

CIK 0002018299

$4M749K0.27%Q2 2026 11

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$3M698K0.00%Q2 2026 12

SummitTX Capital, L.P.

CIK 0002052310

$3M597K0.07%Q2 2026 13

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$3M556K0.00%Q2 2026 14

Stonepine Capital Management, LLC

CIK 0001440771

$3M552K1.51%Q2 2026 15

AMERIPRISE FINANCIAL INC

CIK 0000820027

$3M537K0.00%Q2 2026 16

Sio Capital Management, LLC

CIK 0001482416

$3M530K0.42%Q2 2026 17

Woodline Partners LP

CIK 0001784547

$2M460K0.01%Q2 2026 18

Ally Bridge Group (NY) LLC

CIK 0001822947

$2M526K1.45%Q1 2026 19

Prosight Management, LP

CIK 0001617201

$2M516K0.29%Q1 2026 20

STATE STREET CORP

CIK 0000093751

$2M312K0.00%Q2 2026

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