AI Holders Summary · Q1 2026

250 institutions reported AGIO in Q1 2026. ARMISTICE CAPITAL, LLC leads at 12.5% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(5 on this page)

#HolderValueShares% port.Quarter

ARMISTICE CAPITAL, LLC

CIK 0001601086

$200M5.9M3.56%Q1 2026 02

BlackRock, Inc.

CIK 0002012383

$195M5.8M0.00%Q1 2026 03

FARALLON CAPITAL MANAGEMENT LLC

CIK 0000909661

$192M5.7M1.10%Q1 2026 04

STATE STREET CORP

CIK 0000093751

$114M3.4M0.00%Q1 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$89M2.6M0.00%Q1 2026 06

Lynx1 Capital Management LP

CIK 0001910456

$88M2.6M13.96%Q1 2026 07

Vanguard Portfolio Management

CIK 0002100121· Index

$88M2.6M0.00%Q1 2026 08

Erste Asset Management GmbH

CIK 0002024532

$80M2.7M0.74%Q1 2026 09

BNP Paribas Asset Management Holding S.A.

CIK 0001520354

$53M1.6M0.06%Q1 2026 10

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$53M1.6M0.01%Q1 2026 11

D. E. Shaw & Co., Inc.

CIK 0001009207

$51M1.9M0.03%Q4 2025 12

Delaware Management Holdings, Inc.

CIK 0000921739

$51M1.5M0.09%Q1 2026 13

T. Rowe Price Investment Management, Inc.

CIK 0001897612

$50M1.5M0.03%Q1 2026 14

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$50M1.5M0.00%Q1 2026 15

MPM BioImpact LLC

CIK 0001687078

$44M1.3M3.41%Q1 2026 16

CITADEL ADVISORS LLC

CIK 0001423053

$44M1.6M0.01%Q4 2025 17

Frazier Life Sciences Management, L.P.

CIK 0001892134

$42M1.3M1.09%Q1 2026 18

GW&K Investment Management, LLC

CIK 0001082917

$41M1.2M0.36%Q1 2026 19

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$39M1.2M0.01%Q1 2026 20

MORGAN STANLEY

CIK 0000895421

$33M968K0.00%Q1 2026

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