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Barrett Business Services
BBSI

191 hedge funds and large institutions have $623M invested in Barrett Business Services in 2026 Q1 according to their latest regulatory filings, with 33 funds opening new positions, 80 increasing their positions, 57 reducing their positions, and 37 closing their positions.

New
Increased
Maintained
Reduced
Closed

40% more repeat investments, than reductions

Existing positions increased: 80 | Existing positions reduced: 57

0.55% less ownership

Funds ownership: 85.22% → 84.68% (-0.55%)

3% less funds holding

Funds holding: 197 → 191 (-6)

11% less first-time investments, than exits

New positions opened: 33 | Existing positions closed: 37

21% less capital invested

Capital invested by funds: $791M → $623M (-$168M)

100% less funds holding in top 10

Funds holding in top 10: 1 → 0 (-1)

Holders
191
Holders Change
-6
Holders Change %
-3.05%
% of All Funds
2.35%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
33
Increased
80
Reduced
57
Closed
37
Calls
$6K
Puts
–
Net Calls
+$6K
Net Calls Change
+$10K

Top Buyers

1
RA
Royce & Associates
New York
+$16.6M
2
PAMP
Polar Asset Management Partners
Ontario, Canada
+$9.42M
3
Goldman Sachs
Goldman Sachs
New York
+$4.21M
4
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
+$3.3M
5
YIH
Y-Intercept (HK)
Hong Kong
+$2.85M

Top Sellers

1
GKIM
GW&K Investment Management
Massachusetts
-$18.6M
2
Point72 Asset Management
Point72 Asset Management
Connecticut
-$9.19M
3
Mawer Investment Management
Mawer Investment Management
Alberta, Canada
-$8.67M
4
Thrivent Financial for Lutherans
Thrivent Financial for Lutherans
Minnesota
-$5.98M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$5.61M
Name Holding Trade Value Shares
Change 		Change in
Stake
Citigroup
51
Citigroup
New York
$1.54M +$754K +22,816 +76%
Swiss National Bank
52
Swiss National Bank
Switzerland
$1.48M – – –
EGM
53
Engineers Gate Manager
New York
$1.48M +$235K +7,107 +16%
Squarepoint
54
Squarepoint
New York
$1.47M -$347K -10,512 -17%
XT
55
XTX Topco
Cayman Islands
$1.46M +$879K +26,597 +114%
Franklin Resources
56
Franklin Resources
California
$1.36M +$103K +3,130 +7%
UBS AM
57
UBS AM
Illinois
$1.35M +$51.1K +1,547 +3%
RC
58
RBF Capital
California
$1.34M – – –
Boston Partners
59
Boston Partners
Massachusetts
$1.33M +$63.5K +1,923 +4%
Invesco
60
Invesco
Georgia
$1.29M +$74.8K +2,265 +5%
T. Rowe Price Associates
61
T. Rowe Price Associates
Maryland
$1.23M +$235K +7,120 +20%
Qube Research & Technologies (QRT)
62
Qube Research & Technologies (QRT)
United Kingdom
$1.19M -$5.61M -169,648 -81%
SFI
63
Susquehanna Fundamental Investments
Pennsylvania
$1.16M +$1.31M +39,795 New
PRCP
64
Pacific Ridge Capital Partners
Oregon
$1.12M +$264 +8 +0%
WH
65
Willner & Heller
California
$1.11M +$99.8K +3,020 +9%
Principal Financial Group
66
Principal Financial Group
Iowa
$1.07M +$464K +14,039 +62%
CAPTRUST Financial Advisors
67
CAPTRUST Financial Advisors
North Carolina
$1.05M -$18.9K -572 -2%
Canada Pension Plan Investment Board
68
Canada Pension Plan Investment Board
Ontario, Canada
$1.02M +$13.2K +400 +1%
GCP
69
GSA Capital Partners
United Kingdom
$1.02M +$351K +10,634 +44%
Corient Private Wealth
70
Corient Private Wealth
Florida
$1.01M +$1.14M +34,636 New
Susquehanna International Group
71
Susquehanna International Group
Pennsylvania
$952K +$1.08M +32,635 New
Citadel Advisors
72
Citadel Advisors
Florida
$935K -$1.52M -45,978 -59%
RhumbLine Advisers
73
RhumbLine Advisers
Massachusetts
$909K +$9.62K +291 +0.9%
PCM
74
Polaris Capital Management
Massachusetts
$899K -$264K -8,000 -21%
D.E. Shaw & Co
75
D.E. Shaw & Co
New York
$891K +$445K +13,467 +79%
1 2
3
4 5

BBSI Hedge Fund Activity: Q1 2026 in Review

191 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Barrett Business Services (BBSI) for Q1 2026, worth a combined $623M — down 21% from $791M a quarter earlier.

Sellers outnumbered buyers: 37 funds closed out of BBSI and 33 opened new positions — a net loss of 4 holders — while 57 trimmed existing stakes and 80 added.

The largest buyer was Royce & Associates, adding an estimated $16.6M. The largest seller was GW&K Investment Management, exiting entirely with an estimated $18.6M sold.

  • 191 institutional investors held Barrett Business Services (BBSI) as of Q1 2026, down from 197 in Q4 2025.
  • Funds reported $623M of Barrett Business Services stock for Q1 2026, down 21% quarter-over-quarter.
  • 33 funds opened new Barrett Business Services positions in Q1 2026 and 37 closed out, a net change of -4 holders.
  • The largest Barrett Business Services buyer in Q1 2026 was Royce & Associates, an estimated $16.6M added.
  • The largest Barrett Business Services seller in Q1 2026 was GW&K Investment Management, an estimated $18.6M sold.

Based on aggregated 13F filings for Q1 2026.