13F Insight
DOSSIER · 13F Holders · Q1 2026Technology · Services-Help Supply ServicesBellwetherCompounder
BBSI

BARRETT BUSINESS SVCS INC

196 institutions still hold BARRETT BUSINESS SVCS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 068463108·Services-Help Supply Services·196 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 2.4%
vs prior quarter
13F value held
$411M
48.0% inst. owned
of float
Holders
196
+82 QoQ
filers reporting
Activity
+91 / −111
+796 added · −764 reduced
this quarter
Concentration
13.55%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

196 institutions reported BBSI in Q1 2026. BlackRock, Inc. leads at 13.6% of the visible book. +82 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$56M1.9M0.00%Q1 202602
Mawer Investment Management Ltd.
CIK 0001538449
$50M1.7M0.32%Q1 202603
ROYCE & ASSOCIATES LP
CIK 0000906304
$40M1.4M0.40%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$31M1.1M0.00%Q1 202605
Private Capital Management, LLC
CIK 0001588456
$29M1000K2.91%Q1 202606
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$25M860K0.00%Q1 202607
Trigran Investments, Inc.
CIK 0001336800
$21M718K5.01%Q1 202608
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$19M661K0.00%Q1 202609
STATE STREET CORP
CIK 0000093751
$19M658K0.00%Q1 202610
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$19M639K0.03%Q1 202611
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$18M619K0.00%Q1 202612
HEARTLAND ADVISORS INC
CIK 0000937394
$16M450K0.88%Q4 202513
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$9M313K0.00%Q1 202614
Tieton Capital Management, LLC
CIK 0001381954
$9M251K3.12%Q4 202515
JACOBS LEVY EQUITY MANAGEMENT, INC
CIK 0000884414
$9M301K0.04%Q1 202616
Polar Asset Management Partners Inc.
CIK 0001326389
$8M285K0.17%Q1 202617
RIVERBRIDGE PARTNERS LLC
CIK 0001112325
$8M284K0.20%Q1 202618
NORTHERN TRUST CORP
CIK 0000073124· Index
$8M273K0.00%Q1 202619
TEACHER RETIREMENT SYSTEM OF TEXAS
CIK 0000796848
$8M271K0.03%Q1 202620
GOLDMAN SACHS GROUP INC
CIK 0000886982
$8M269K0.00%Q1 2026
Page 1 of 10
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