AI Holders Summary · Q1 2026

171 institutions reported ABUS in Q1 2026. MORGAN STANLEY leads at 22.1% 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

MORGAN STANLEY

CIK 0000895421

$117M25.9M0.01%Q1 2026 02

Two Seas Capital LP

CIK 0001823138

$84M18.6M1.17%Q1 2026 03

Whitefort Capital Management, LP

CIK 0001884931

$67M14.9M19.81%Q1 2026 04

BlackRock, Inc.

CIK 0002012383

$58M13.0M0.00%Q1 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$30M6.7M0.00%Q1 2026 06

STATE STREET CORP

CIK 0000093751

$29M6.3M0.00%Q1 2026 07

BARCLAYS PLC

CIK 0000312069

$19M4.3M0.00%Q1 2026 08

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$17M3.8M0.00%Q1 2026 09

ADAR1 Capital Management, LLC

CIK 0001940272

$14M3.1M0.83%Q1 2026 10

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 0001165408

$12M2.7M0.02%Q1 2026 11

BlackBarn Capital Partners LP

CIK 0002010204

$11M2.5M0.91%Q1 2026 12

Legal & General Group Plc

CIK 0000764068

$11M2.4M0.00%Q1 2026 13

Woodline Partners LP

CIK 0001784547

$9M2.0M0.03%Q1 2026 14

Jefferies Financial Group Inc.

CIK 0000096223

$9M1.9M0.06%Q1 2026 15

Rubric Capital Management LP

CIK 0001687509

$8M1.6M0.09%Q4 2025 16

BANK OF AMERICA CORP /DE/

CIK 0000070858

$8M1.7M0.00%Q1 2026 17

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 0000884546· Index

$6M1.4M0.00%Q1 2026 18

Vanguard Portfolio Management

CIK 0002100121· Index

$6M1.4M0.00%Q1 2026 19

OSAIC HOLDINGS, INC.

CIK 0001677044

$6M1.3M0.01%Q1 2026 20

CITIGROUP INC

CIK 0000831001

$6M1.3M0.00%Q1 2026

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