AI Holders Summary · Q1 2026

323 institutions reported BLKB in Q1 2026. CLEARLAKE CAPITAL GROUP, L.P. leads at 29.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

Hide index funds / market makers / custodians(7 on this page)

#HolderValueShares% port.Quarter

CLEARLAKE CAPITAL GROUP, L.P.

CIK 0001688282

$377M9.8M55.34%Q1 2026 02

BlackRock, Inc.

CIK 0002012383

$177M6.0M0.00%Q2 2026 03

MORGAN STANLEY

CIK 0000895421

$145M4.9M0.01%Q2 2026 04

Vanguard Portfolio Management

CIK 0002100121· Index

$93M3.1M0.00%Q2 2026 05

JANUS HENDERSON GROUP PLC

CIK 0001274173

$60M1.6M0.03%Q1 2026 06

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$57M1.9M0.00%Q2 2026 07

STATE STREET CORP

CIK 0000093751

$49M1.7M0.00%Q2 2026 08

Jupiter Topco LLC

CIK 0002146052

$47M1.6M0.02%Q2 2026 09

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$39M941K0.00%Q3 2026 10

GOLDMAN SACHS GROUP INC

CIK 0000886982

$37M1.2M0.00%Q2 2026 11

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$25M858K0.01%Q2 2026 12

Clearline Capital LP

CIK 0001600136

$24M385K1.20%Q4 2025 13

Qube Research & Technologies Ltd

CIK 0001729829

$24M814K0.02%Q2 2026 14

FULLER & THALER ASSET MANAGEMENT, INC.

CIK 0001082327

$21M713K0.06%Q2 2026 15

SHAPIRO CAPITAL MANAGEMENT LLC

CIK 0001177244

$21M704K1.26%Q2 2026 16

TWO SIGMA INVESTMENTS, LP

CIK 0001179392

$19M652K0.01%Q2 2026 17

FIRST TRUST ADVISORS LP

CIK 0001125816· Index

$19M626K0.01%Q2 2026 18

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$18M441K0.00%Q3 2026 19

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 0000884546· Index

$16M550K0.00%Q2 2026 20

NORTHERN TRUST CORP

CIK 0000073124· Index

$16M536K0.00%Q2 2026

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