AI Holders Summary · Q2 2026

162 institutions reported ETON in Q2 2026. Opaleye Management Inc. leads at 17.5% 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

Opaleye Management Inc.

CIK 0001595855

$104M2.9M9.38%Q2 2026 02

Nantahala Capital Management, LLC

CIK 0001472322

$85M2.4M1.41%Q2 2026 03

EcoR1 Capital, LLC

CIK 0001587114

$79M2.2M3.82%Q2 2026 04

BlackRock, Inc.

CIK 0002012383

$69M1.9M0.00%Q2 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$35M977K0.00%Q2 2026 06

MORGAN STANLEY

CIK 0000895421

$28M768K0.00%Q2 2026 07

STATE STREET CORP

CIK 0000093751

$25M702K0.00%Q2 2026 08

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$24M652K0.00%Q2 2026 09

OBERWEIS ASSET MANAGEMENT INC/

CIK 0000937886

$18M502K0.38%Q2 2026 10

National Philanthropic Trust

CIK 0001785342

$18M492K0.26%Q2 2026 11

Westside Investment Management, Inc.

CIK 0001538383

$16M431K2.05%Q2 2026 12

Pillsbury Lake Capital LLC

CIK 0002111915

$14M387K3.83%Q2 2026 13

Nuveen, LLC

CIK 0001871926

$14M376K0.00%Q2 2026 14

BNP PARIBAS FINANCIAL MARKETS

CIK 0001166588

$12M322K0.00%Q2 2026 15

Woodline Partners LP

CIK 0001784547

$11M311K0.03%Q2 2026 16

THOMPSON SIEGEL & WALMSLEY LLC

CIK 0001008322

$10M406K0.18%Q1 2026 17

NORTHERN TRUST CORP

CIK 0000073124· Index

$9M256K0.00%Q2 2026 18

MARSHALL WACE, LLP

CIK 0001318757

$9M249K0.01%Q2 2026 19

Vanguard Portfolio Management

CIK 0002100121· Index

$7M195K0.00%Q2 2026 20

JPMORGAN CHASE & CO

CIK 0000019617

$7M192K0.00%Q2 2026

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