AI Holders Summary · Q2 2026

188 institutions reported AQST in Q2 2026. Bratton Capital Management, L.P. leads at 17.2% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(4 on this page)

#HolderValueShares% port.Quarter

Bratton Capital Management, L.P.

CIK 0001723787

$41M9.8M100.00%Q2 2026 02

BlackRock, Inc.

CIK 0002012383

$34M8.1M0.00%Q2 2026 03

RTW INVESTMENTS, LP

CIK 0001493215

$31M7.4M0.26%Q2 2026 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$19M4.6M0.00%Q2 2026 05

FEDERATED HERMES, INC.

CIK 0001056288

$13M3.1M0.02%Q2 2026 06

STATE STREET CORP

CIK 0000093751

$12M2.9M0.00%Q2 2026 07

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$11M2.6M0.00%Q2 2026 08

Samsara BioCapital, LLC

CIK 0001744967

$10M2.5M1.01%Q1 2026 09

BANK OF AMERICA CORP /DE/

CIK 0000070858

$7M1.7M0.00%Q2 2026 10

Sio Capital Management, LLC

CIK 0001482416

$6M1.5M1.02%Q2 2026 11

CITADEL ADVISORS LLC

CIK 0001423053

$6M954K0.00%Q4 2025 12

D. E. Shaw & Co., Inc.

CIK 0001009207

$6M941K0.00%Q4 2025 13

Propel Bio Management, LLC

CIK 0001969764

$6M1.4M3.14%Q2 2026 14

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$6M1.4M0.00%Q2 2026 15

WASATCH ADVISORS LP

CIK 0000814133

$6M1.4M0.04%Q2 2026 16

TWO SIGMA INVESTMENTS, LP

CIK 0001179392

$5M1.3M0.00%Q2 2026 17

Nuveen, LLC

CIK 0001871926

$5M1.2M0.00%Q2 2026 18

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$5M1.1M0.00%Q1 2026 19

WELLS FARGO & COMPANY/MN

CIK 0000072971

$5M1.1M0.00%Q2 2026 20

Janney Montgomery Scott LLC

CIK 0001329948

$5M1.1M0.01%Q1 2026

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