Penbrook Management’s Barrett Business Services BBSI Stock Holding History

Penbrook 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	–	Sell	-8,800	Closed	-$319K	–	95
2025 Q4	$319K	Sell	8,800 -2,500	-22%	-$95.7K	0.22%	75
2025 Q3	$501K	Sell	11,300 -11,900	-51%	-$545K	0.35%	58
2025 Q2	$961K	Buy	23,200 +11,600	+100%	+$477K	0.36%	61
2025 Q1	$477K	Sell	11,600 -400	-3%	-$16.7K	0.36%	60
2024 Q4	$521K	Hold	12,000	–	–	0.36%	60
2024 Q3	$450K	Sell	12,000 -5,600	-32%	-$197K	0.29%	67
2024 Q2	$577K	Hold	17,600	–	–	0.35%	58
2024 Q1	$558K	Sell	17,600 -3,600	-17%	-$104K	0.35%	63
2023 Q4	$614K	Hold	21,200	–	–	0.41%	53
2023 Q3	$478K	Sell	21,200 -400	-2%	-$9.23K	0.35%	64
2023 Q2	$471K	Sell	21,600 -400	-2%	-$8.57K	0.34%	69
2023 Q1	$488K	Hold	22,000	–	–	0.37%	64
2022 Q4	$513K	Hold	22,000	–	–	0.44%	62
2022 Q3	$429K	Hold	22,000	–	–	0.37%	66
2022 Q2	$401K	Sell	22,000 -800	-4%	-$14.7K	0.32%	74
2022 Q1	$442K	Hold	22,800	–	–	0.29%	79
2021 Q4	$394K	Sell	22,800 -1,600	-7%	-$30.4K	0.24%	81
2021 Q3	$465K	Sell	24,400 -400	-2%	-$7.49K	0.29%	81
2021 Q2	$450K	Hold	24,800	–	–	0.27%	81
2021 Q1	$427K	Hold	24,800	–	–	0.31%	78
2020 Q4	$423K	Hold	24,800	–	–	0.33%	73
2020 Q3	$325K	Sell	24,800 -400	-2%	-$5.47K	0.28%	79
2020 Q2	$335K	Hold	25,200	–	–	0.33%	79
2020 Q1	$250K	Sell	25,200 -800	-3%	-$14K	0.32%	77
2019 Q4	$588K	Hold	26,000	–	–	0.57%	59
2019 Q3	$577K	Sell	26,000 -400	-2%	-$8.69K	0.63%	58
2019 Q2	$545K	Hold	26,400	–	–	0.58%	60
2019 Q1	$510K	Sell	26,400 -1,600	-6%	-$27.8K	0.53%	65
2018 Q4	$401K	Hold	28,000	–	–	0.46%	66
2018 Q3	$467K	Sell	28,000 -1,200	-4%	-$24.3K	0.45%	71
2018 Q2	$705K	Sell	29,200 -2,000	-6%	-$43.3K	0.68%	54
2018 Q1	$646K	Sell	31,200 -2,400	-7%	-$43.7K	0.65%	55
2017 Q4	$542K	Buy	+33,600	New	+$524K	0.49%	69
2016 Q3	$476K	Sell	38,400 -7,080	-16%	-$79.9K	0.51%	68
2016 Q2	$470K	Sell	45,480 -1,600	-3%	-$13.2K	0.52%	66
2016 Q1	$338K	Hold	47,080	–	–	0.37%	77
2015 Q4	$512K	Buy	+47,080	New	+$520K	0.53%	65

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

Penbrook Management's BBSI Position: Q1 2026 in Review

Penbrook Management sold out of Barrett Business Services (BBSI) in Q1 2026, closing a stake of 8,800 shares — an estimated $319K sold.

Penbrook Management first reported a position in BBSI in Q4 2015 and held it in 37 quarters. The position peaked at $961K in Q2 2025. 191 funds tracked by Wall St. Rank hold BBSI as of Q1 2026.

Penbrook Management reported no remaining Barrett Business Services position as of Q1 2026 after selling out during the quarter.
Penbrook Management sold 8,800 Barrett Business Services shares in Q1 2026, an estimated $319K.
Penbrook Management first reported a position in Barrett Business Services in Q4 2015 and held it in 37 quarters.
Penbrook Management's Barrett Business Services position peaked at $961K in Q2 2025.
191 funds tracked by Wall St. Rank held Barrett Business Services as of Q1 2026.

Based on Penbrook Management's 13F filing for Q1 2026, filed 21 Apr 2026.