Mawer Investment Management’s Barrett Business Services BBSI Stock Holding History

Mawer Investment Management’s Portfolio BBSI Stock Details BBSI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$43.7M	Sell	1,230,575 -471,237	-28%	-$14.8M	0.3%	64
2026 Q1	$49.7M	Sell	1,701,812 -262,241	-13%	-$8.67M	0.32%	65
2025 Q4	$71.1M	Buy	1,964,053 +13,331	+0.7%	+$510K	0.4%	54
2025 Q3	$86.5M	Buy	1,950,722 +666	+0%	+$30.5K	0.45%	44
2025 Q2	$81.3M	Sell	1,950,056 -13,059	-0.7%	-$537K	0.41%	51
2025 Q1	$80.8M	Sell	1,963,115 -147,435	-7%	-$6.15M	0.39%	55
2024 Q4	$91.7M	Buy	2,110,550 +276,098	+15%	+$11.2M	0.42%	51
2024 Q3	$68.8M	Buy	1,834,452 +1,289,147	+236%	+$45.4M	0.31%	58
2024 Q2	$17.9M	Buy	+545,305	New	+$17.2M	0.08%	77

Other funds holding BBSI

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Thrivent Financial for Lutherans Minneapolis, Minnesota $59.5B AUM 35.96% 1-Year Est. Return

Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

PCMF

Private Capital Management (Florida) Naples, Florida $1.14B AUM 34.86% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Trigran Investments Northbrook, Illinois $545M AUM 56.2% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Mawer Investment Management's BBSI Position: Q2 2026 in Review

Mawer Investment Management reduced its Barrett Business Services (BBSI) stake by 28% in Q2 2026, selling an estimated $14.8M and leaving 1,230,575 shares worth $43.7M. The position accounts for 0.3% of the portfolio, ranked #64.

Mawer Investment Management first reported a position in BBSI in Q2 2024 and has held it in 9 quarters since. The position peaked at $91.7M in Q4 2024. 198 funds tracked by Wall St. Rank hold BBSI as of Q2 2026.

Mawer Investment Management held 1,230,575 shares of Barrett Business Services worth $43.7M as of Q2 2026.
Mawer Investment Management sold 471,237 Barrett Business Services shares in Q2 2026, an estimated $14.8M.
Barrett Business Services made up 0.3% of Mawer Investment Management's portfolio in Q2 2026, its #64 holding.
Mawer Investment Management first reported a position in Barrett Business Services in Q2 2024 and has held it in 9 quarters since.
Mawer Investment Management's Barrett Business Services position peaked at $91.7M in Q4 2024.
198 funds tracked by Wall St. Rank held Barrett Business Services as of Q2 2026.

Based on Mawer Investment Management's 13F filing for Q2 2026, filed 7 Aug 2026.