Optiver Holding
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Optiver Holding’s Barrett Business Services BBSI Stock Holding History

Optiver Holding’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 		$5.89K Buy
202
+12
+6% +$397 ﹤0.01% 1360
2025
Q4 		$6.88K Buy
190
+8
+4% +$306 ﹤0.01% 1242
2025
Q3 		$8.07K Buy
+182
New +$8.33K ﹤0.01% 1430

Other funds holding BBSI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Thrivent Financial for Lutherans
Thrivent Financial for Lutherans Minneapolis, Minnesota $52.5B AUM 27.12% 1-Year Est. Return
Mawer Investment Management
Mawer Investment Management Calgary, Alberta, Canada $15.4B AUM 10.9% 1-Year Est. Return
RA
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
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
TI
Trigran Investments Northbrook, Illinois $418M AUM 3.34% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Optiver Holding's BBSI Position: Q1 2026 in Review

Optiver Holding increased its Barrett Business Services (BBSI) stake by 6.3% in Q1 2026, buying an estimated $397 and bringing the position to 202 shares worth $5.89K. The position accounts for ﹤0.01% of the portfolio, ranked #1360.

Optiver Holding first reported a position in BBSI in Q3 2025 and has held it in 3 quarters since. The position peaked at $8.07K in Q3 2025. 191 funds tracked by Wall St. Rank hold BBSI as of Q1 2026.

  • Optiver Holding held 202 shares of Barrett Business Services worth $5.89K as of Q1 2026.
  • Optiver Holding bought 12 Barrett Business Services shares in Q1 2026, an estimated $397.
  • Barrett Business Services made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #1360 holding.
  • Optiver Holding first reported a position in Barrett Business Services in Q3 2025 and has held it in 3 quarters since.
  • Optiver Holding's Barrett Business Services position peaked at $8.07K in Q3 2025.
  • 191 funds tracked by Wall St. Rank held Barrett Business Services as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.