Citadel Advisors’s Barrett Business Services BBSI Stock Holding History

Citadel Advisors’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
2025 Q2	–	Sell	-200	Closed	-$8.23K	–	12554
2025 Q1	$8.23K	Sell	200 -200	-50%	-$8.34K	﹤0.01%	13650
2024 Q4	$17.4K	Sell	400 -200	-33%	-$8.08K	﹤0.01%	13259
2024 Q3	$22.5K	Sell	600 -600	-50%	-$21.1K	﹤0.01%	12698
2024 Q2	$39.3K	Sell	1,200 -2,000	-63%	-$63.2K	﹤0.01%	12013
2024 Q1	$101K	Buy	+3,200	New	+$92.8K	﹤0.01%	11341
2023 Q4	–	Sell	-4,400	Closed	-$99.3K	–	14264
2023 Q3	$99.3K	Buy	+4,400	New	+$101K	﹤0.01%	10905
2023 Q1	–	Sell	-2,000	Closed	-$46.6K	–	14703
2022 Q4	$46.6K	Buy	+2,000	New	+$45.3K	﹤0.01%	12221
2018 Q4	–	Sell	-15,200	Closed	-$254K	–	9091
2018 Q3	$254K	Sell	15,200 -2,400	-14%	-$48.6K	﹤0.01%	7840
2018 Q2	$425K	Buy	17,600 +4,400	+33%	+$95.2K	﹤0.01%	6640
2018 Q1	$274K	Buy	+13,200	New	+$240K	﹤0.01%	6875

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

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

Citadel Advisors's BBSI Position: Q1 2026 in Review

Citadel Advisors reduced its Barrett Business Services (BBSI) stake by 59% in Q1 2026, selling an estimated $1.52M and leaving 32,041 shares worth $935K. The position accounts for ﹤0.01% of the portfolio, ranked #7807.

Citadel Advisors first reported a position in BBSI in Q3 2013 and has held it in 31 quarters since. The position peaked at $3.7M in Q4 2022. 191 funds tracked by Wall St. Rank hold BBSI as of Q1 2026.

Citadel Advisors held 32,041 shares of Barrett Business Services worth $935K as of Q1 2026.
Citadel Advisors sold 45,978 Barrett Business Services shares in Q1 2026, an estimated $1.52M.
Barrett Business Services made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #7807 holding.
Citadel Advisors first reported a position in Barrett Business Services in Q3 2013 and has held it in 31 quarters since.
Citadel Advisors's Barrett Business Services position peaked at $3.7M in Q4 2022.
191 funds tracked by Wall St. Rank held Barrett Business Services as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.