AI Holders Summary · Q1 2026

197 institutions reported BBSI in Q1 2026. BlackRock, Inc. leads at 12.3% 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

$56M1.9M0.00%Q1 2026 02

THRIVENT FINANCIAL FOR LUTHERANS

CIK 0000314984

$50M1.7M0.09%Q1 2026 03

Mawer Investment Management Ltd.

CIK 0001538449

$50M1.7M0.32%Q1 2026 04

ROYCE & ASSOCIATES LP

CIK 0000906304

$40M1.4M0.40%Q1 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$31M1.1M0.00%Q1 2026 06

Private Capital Management, LLC

CIK 0001588456

$29M1000K2.91%Q1 2026 07

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$25M860K0.00%Q1 2026 08

Trigran Investments, Inc.

CIK 0001336800

$21M718K5.01%Q1 2026 09

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$19M661K0.00%Q1 2026 10

STATE STREET CORP

CIK 0000093751

$19M658K0.00%Q1 2026 11

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$19M639K0.03%Q1 2026 12

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$18M619K0.00%Q1 2026 13

HEARTLAND ADVISORS INC

CIK 0000937394

$16M450K0.88%Q4 2025 14

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 0000884546· Index

$9M313K0.00%Q1 2026 15

Tieton Capital Management, LLC

CIK 0001381954

$9M251K3.12%Q4 2025 16

JACOBS LEVY EQUITY MANAGEMENT, INC

CIK 0000884414

$9M301K0.04%Q1 2026 17

Polar Asset Management Partners Inc.

CIK 0001326389

$8M285K0.17%Q1 2026 18

RIVERBRIDGE PARTNERS LLC

CIK 0001112325

$8M284K0.20%Q1 2026 19

NORTHERN TRUST CORP

CIK 0000073124· Index

$8M273K0.00%Q1 2026 20

TEACHER RETIREMENT SYSTEM OF TEXAS

CIK 0000796848

$8M271K0.03%Q1 2026

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