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 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 $5.72T AUM 30.48% 1-Year Est. Return

Thrivent Financial for Lutherans Minneapolis, Minnesota $52.5B AUM 27.12% 1-Year Est. Return

Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

PCMF

Private Capital Management (Florida) Naples, Florida $1B AUM 15.98% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Trigran Investments Northbrook, Illinois $418M AUM 3.34% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Mawer Investment Management's BBSI Position: Q1 2026 in Review

Mawer Investment Management reduced its Barrett Business Services (BBSI) stake by 13% in Q1 2026, selling an estimated $8.67M and leaving 1,701,812 shares worth $49.7M. The position accounts for 0.32% of the portfolio, ranked #65.

Mawer Investment Management first reported a position in BBSI in Q2 2024 and has held it in 8 quarters since. The position peaked at $91.7M in Q4 2024. 191 funds tracked by Wall St. Rank hold BBSI as of Q1 2026.

Mawer Investment Management held 1,701,812 shares of Barrett Business Services worth $49.7M as of Q1 2026.
Mawer Investment Management sold 262,241 Barrett Business Services shares in Q1 2026, an estimated $8.67M.
Barrett Business Services made up 0.32% of Mawer Investment Management's portfolio in Q1 2026, its #65 holding.
Mawer Investment Management first reported a position in Barrett Business Services in Q2 2024 and has held it in 8 quarters since.
Mawer Investment Management's Barrett Business Services position peaked at $91.7M in Q4 2024.
191 funds tracked by Wall St. Rank held Barrett Business Services as of Q1 2026.

Based on Mawer Investment Management's 13F filing for Q1 2026, filed 6 May 2026.