AI Holders Summary · Q1 2026

53 institutions reported ANTX in Q1 2026. Vivo Capital, LLC leads at 16.0% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(3 on this page)

#HolderValueShares% port.Quarter

Vivo Capital, LLC

CIK 0001674712

$11M3.2M0.90%Q1 2026 02

Commodore Capital LP

CIK 0001831942

$8M2.3M0.46%Q1 2026 03

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$8M2.2M0.00%Q1 2026 04

Spruce Street Capital LP

CIK 0002050194

$6M1.7M1.34%Q1 2026 05

Almitas Capital LLC

CIK 0001596468

$5M1.5M1.14%Q1 2026 06

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$3M1.0M0.00%Q1 2026 07

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 0001165408

$3M1.0M0.01%Q1 2026 08

Woodline Partners LP

CIK 0001784547

$3M994K0.01%Q1 2026 09

Boxer Capital Management, LLC

CIK 0002018299

$3M749K0.34%Q1 2026 10

Stonepine Capital Management, LLC

CIK 0001440771

$2M714K0.98%Q1 2026 11

AMERIPRISE FINANCIAL INC

CIK 0000820027

$2M696K0.00%Q1 2026 12

Sio Capital Management, LLC

CIK 0001482416

$2M657K0.32%Q1 2026 13

Ally Bridge Group (NY) LLC

CIK 0001822947

$2M526K1.45%Q1 2026 14

Prosight Management, LP

CIK 0001617201

$2M516K0.29%Q1 2026 15

BANK OF NOVA SCOTIA

CIK 0000009631

$2M459K0.00%Q1 2026 16

BANK OF AMERICA CORP /DE/

CIK 0000070858

$1M394K0.00%Q1 2026 17

BlackRock, Inc.

CIK 0002012383

$1M319K0.00%Q1 2026 18

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$1M304K0.00%Q1 2026 19

LANDSCAPE CAPITAL MANAGEMENT, L.L.C.

CIK 0001536186

$1M298K0.06%Q1 2026 20

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$981K287K0.00%Q1 2026

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