AI Holders Summary · Q1 2026

491 institutions reported ALK in Q1 2026. BlackRock, Inc. leads at 15.5% 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

BlackRock, Inc.

CIK 0002012383

$432M11.7M0.01%Q1 2026 02

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$233M6.3M0.05%Q1 2026 03

Vanguard Portfolio Management

CIK 0002100121· Index

$190M5.2M0.01%Q1 2026 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$186M5.1M0.00%Q1 2026 05

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$182M4.9M0.09%Q1 2026 06

CITADEL ADVISORS LLC

CIK 0001423053

$166M3.3M0.02%Q4 2025 07

DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main

CIK 0001694217

$162M4.4M0.14%Q1 2026 08

FMR LLC

CIK 0000315066

$131M3.6M0.01%Q1 2026 09

Capital World Investors

CIK 0001422849

$130M3.5M0.02%Q1 2026 10

STATE STREET CORP

CIK 0000093751

$128M3.5M0.00%Q1 2026 11

FRONTIER CAPITAL MANAGEMENT CO LLC

CIK 0000351173

$124M3.4M1.28%Q1 2026 12

PRIMECAP MANAGEMENT CO/CA/

CIK 0000763212

$120M3.3M0.09%Q1 2026 13

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

CIK 0000912938

$106M2.9M0.04%Q1 2026 14

MORGAN STANLEY

CIK 0000895421

$103M2.8M0.01%Q1 2026 15

CAUSEWAY CAPITAL MANAGEMENT LLC

CIK 0001165797

$92M2.5M1.13%Q1 2026 16

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$79M2.1M0.00%Q1 2026 17

UBS Group AG

CIK 0001610520

$61M1.7M0.01%Q1 2026 18

PAR CAPITAL MANAGEMENT INC

CIK 0001051359

$58M1.6M1.69%Q1 2026 19

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$56M1.5M0.01%Q1 2026 20

AMERIPRISE FINANCIAL INC

CIK 0000820027

$52M1.4M0.01%Q1 2026

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