AI Holders Summary · Q1 2026

161 institutions reported EOLS in Q1 2026. Nantahala Capital Management, LLC leads at 15.4% 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

Nantahala Capital Management, LLC

CIK 0001472322

$26M6.4M0.96%Q1 2026 02

BlackRock, Inc.

CIK 0002012383

$18M4.3M0.00%Q1 2026 03

BRAIDWELL LP

CIK 0001920938

$13M3.1M0.43%Q1 2026 04

Frazier Life Sciences Management, L.P.

CIK 0001892134

$11M2.6M0.28%Q1 2026 05

D. E. Shaw & Co., Inc.

CIK 0001009207

$10M1.5M0.01%Q4 2025 06

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$10M2.5M0.00%Q1 2026 07

CITADEL ADVISORS LLC

CIK 0001423053

$10M1.4M0.00%Q4 2025 08

Soleus Capital Management, L.P.

CIK 0001802630

$9M2.2M0.37%Q1 2026 09

Stonepine Capital Management, LLC

CIK 0001440771

$9M2.2M3.59%Q1 2026 10

Assenagon Asset Management S.A.

CIK 0001546007· Quasi-passive

$6M908K0.01%Q2 2026 11

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$6M1.5M0.00%Q1 2026 12

ARMISTICE CAPITAL, LLC

CIK 0001601086

$6M1.4M0.10%Q1 2026 13

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$6M1.4M0.00%Q1 2026 14

STATE STREET CORP

CIK 0000093751

$5M1.3M0.00%Q1 2026 15

PERCEPTIVE ADVISORS LLC

CIK 0001224962

$5M1.3M0.10%Q1 2026 16

RICE HALL JAMES & ASSOCIATES, LLC

CIK 0001230765

$5M1.3M0.29%Q1 2026 17

PINNACLE ASSOCIATES LTD

CIK 0000743127

$5M1.2M0.06%Q1 2026 18

GOLDMAN SACHS GROUP INC

CIK 0000886982

$4M1.1M0.00%Q1 2026 19

UBS Group AG

CIK 0001610520

$3M753K0.00%Q1 2026 20

HRT FINANCIAL LP

CIK 0001475597

$3M429K0.01%Q4 2025

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