AI Holders Summary · Q2 2026

149 institutions reported ALEC in Q2 2026. TCG Crossover Management, LLC leads at 13.9% 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

TCG Crossover Management, LLC

CIK 0001839948

$20M10.0M0.48%Q2 2026 02

Nantahala Capital Management, LLC

CIK 0001472322

$17M8.6M0.29%Q2 2026 03

BlackRock, Inc.

CIK 0002012383

$16M7.8M0.00%Q2 2026 04

ACADIAN ASSET MANAGEMENT LLC

CIK 0000916542

$9M4.0M0.01%Q1 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$8M4.0M0.00%Q2 2026 06

Kynam Capital Management, LP

CIK 0001907884

$8M3.8M0.42%Q2 2026 07

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$8M3.8M0.01%Q2 2026 08

Merck & Co., Inc.

CIK 0000310158

$7M3.5M1.35%Q2 2026 09

ADAR1 Capital Management, LLC

CIK 0001940272

$6M2.9M0.27%Q2 2026 10

Vanguard Portfolio Management

CIK 0002100121· Index

$6M2.8M0.00%Q2 2026 11

683 Capital Management, LLC

CIK 0001404574

$5M3.4M0.23%Q4 2025 12

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$5M2.5M0.00%Q2 2026 13

JACOBS LEVY EQUITY MANAGEMENT, INC

CIK 0000884414

$5M2.2M0.02%Q1 2026 14

Ikarian Capital, LLC

CIK 0001778253

$4M2.1M0.36%Q1 2026 15

Spruce Street Capital LP

CIK 0002050194

$4M2.1M0.83%Q2 2026 16

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$4M2.0M0.00%Q2 2026 17

STATE STREET CORP

CIK 0000093751

$4M1.9M0.00%Q2 2026 18

D. E. Shaw & Co., Inc.

CIK 0001009207

$4M2.4M0.00%Q4 2025 19

MEDICI CAPITAL LLC

CIK 0001777234

$3M1.7M6.51%Q2 2026 20

Affinity Asset Advisors, LLC

CIK 0001773195

$3M1.5M0.14%Q2 2026

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