AI Holders Summary · Q1 2026

628 institutions reported HOLX in Q1 2026. BlackRock, Inc. leads at 17.6% 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

BlackRock, Inc.

CIK 0002012383

$1.7B22.5M0.03%Q1 2026 02

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$1.1B14.5M0.03%Q1 2026 03

STATE STREET CORP

CIK 0000093751

$755M10.0M0.03%Q1 2026 04

HBK INVESTMENTS L P

CIK 0001011443

$741M9.8M7.52%Q1 2026 05

Vanguard Portfolio Management

CIK 0002100121· Index

$727M9.6M0.04%Q1 2026 06

FIL Ltd

CIK 0000318989

$591M7.8M0.46%Q1 2026 07

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$456M6.1M0.03%Q1 2026 08

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$428M5.7M0.18%Q1 2026 09

UBS Group AG

CIK 0001610520

$385M5.1M0.06%Q1 2026 10

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$357M4.7M0.46%Q1 2026 11

Pentwater Capital Management LP

CIK 0001425851

$340M4.5M1.76%Q1 2026 12

MORGAN STANLEY

CIK 0000895421

$270M3.6M0.02%Q1 2026 13

GLAZER CAPITAL, LLC

CIK 0001076809

$269M3.6M5.71%Q1 2026 14

JPMORGAN CHASE & CO

CIK 0000019617

$249M3.3M0.02%Q1 2026 15

Invesco Ltd.

CIK 0000914208

$239M3.2M0.02%Q1 2026 16

Qube Research & Technologies Ltd

CIK 0001729829

$237M3.1M0.26%Q1 2026 17

O'Connor Alternative Investments LLC

CIK 0002081629

$236M3.1M20.19%Q1 2026 18

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$221M2.9M0.12%Q1 2026 19

NORTHERN TRUST CORP

CIK 0000073124· Index

$202M2.7M0.03%Q1 2026 20

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)

CIK 0001132716

$194M2.6M5.75%Q4 2025

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