Trigran Investments’s Barrett Business Services BBSI Stock Holding History

Trigran Investments’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	$21M	Buy	718,390 +69,652	+11%	+$2.3M	5.01%	11
2025 Q4	$23.5M	Buy	648,738 +249,052	+62%	+$9.53M	4.63%	12
2025 Q3	$17.7M	Buy	399,686 +219,049	+121%	+$10M	3.21%	13
2025 Q2	$7.53M	Buy	+180,637	New	+$7.43M	1.31%	15
2024 Q3	–	Sell	-18,228	Closed	-$597K	–	21
2024 Q2	$597K	Buy	+18,228	New	+$576K	0.06%	20

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

Mawer Investment Management Calgary, Alberta, Canada $15.4B AUM 10.9% 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

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

Trigran Investments's BBSI Position: Q1 2026 in Review

Trigran Investments increased its Barrett Business Services (BBSI) stake by 11% in Q1 2026, buying an estimated $2.3M and bringing the position to 718,390 shares worth $21M. The position accounts for 5.01% of the portfolio, ranked #11.

Trigran Investments first reported a position in BBSI in Q2 2024 and has held it in 5 quarters since. The position peaked at $23.5M in Q4 2025. 191 funds tracked by Wall St. Rank hold BBSI as of Q1 2026.

Trigran Investments held 718,390 shares of Barrett Business Services worth $21M as of Q1 2026.
Trigran Investments bought 69,652 Barrett Business Services shares in Q1 2026, an estimated $2.3M.
Barrett Business Services made up 5.01% of Trigran Investments's portfolio in Q1 2026, its #11 holding.
Trigran Investments first reported a position in Barrett Business Services in Q2 2024 and has held it in 5 quarters since.
Trigran Investments's Barrett Business Services position peaked at $23.5M in Q4 2025.
191 funds tracked by Wall St. Rank held Barrett Business Services as of Q1 2026.

Based on Trigran Investments's 13F filing for Q1 2026, filed 13 May 2026.