AI Holders Summary · Q1 2026

326 institutions reported ACHC in Q1 2026. BlackRock, Inc. leads at 13.7% 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

BlackRock, Inc.

CIK 0002012383

$273M11.7M0.00%Q1 2026 02

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$212M9.1M0.04%Q1 2026 03

FMR LLC

CIK 0000315066

$161M6.9M0.01%Q1 2026 04

Khrom Capital Management LLC

CIK 0001877963

$122M5.2M11.11%Q1 2026 05

Vanguard Portfolio Management

CIK 0002100121· Index

$118M5.1M0.01%Q1 2026 06

DME Capital Management, LP

CIK 0001489933

$106M4.5M3.31%Q1 2026 07

MORGAN STANLEY

CIK 0000895421

$105M4.5M0.01%Q1 2026 08

ABRAMS BISON INVESTMENTS, LLC

CIK 0001317588

$102M4.4M4.43%Q1 2026 09

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$97M4.2M0.00%Q1 2026 10

CARRONADE CAPITAL MANAGEMENT, LP

CIK 0001866872

$90M3.8M1.17%Q1 2026 11

Jefferies Financial Group Inc.

CIK 0000096223

$84M3.6M0.58%Q1 2026 12

STATE STREET CORP

CIK 0000093751

$75M3.2M0.00%Q1 2026 13

UBS Group AG

CIK 0001610520

$66M2.8M0.01%Q1 2026 14

DEERFIELD MANAGEMENT COMPANY, L.P.

CIK 0001009258

$64M4.5M0.82%Q4 2025 15

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$60M2.6M0.01%Q1 2026 16

MAK CAPITAL ONE LLC

CIK 0001385702

$57M2.4M8.38%Q1 2026 17

CITIGROUP INC

CIK 0000831001

$55M2.4M0.02%Q1 2026 18

VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.

CIK 0001021642

$53M1.8M0.47%Q2 2026 19

GOLDMAN SACHS GROUP INC

CIK 0000886982

$52M2.2M0.01%Q1 2026 20

Invenomic Capital Management LP

CIK 0001769456

$47M3.3M2.19%Q4 2025

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