William Blair Investment Management
BGSI

William Blair Investment Management’s Boyd Group Services BGSI Stock Holding History

William Blair Investment Management’s Portfolio BGSI Stock Details BGSI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$17.3M Sell
135,248
-6,700
-5% -$1.08M 0.06% 264
2025
Q4 		$22.6M Buy
+141,948
New +$22.7M 0.06% 259

Other funds holding BGSI

1832 Asset Management
1832 Asset Management Toronto, Ontario, Canada $109B AUM 35.56% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return
BGC
Beutel, Goodman & Co Toronto, Ontario, Canada $14.8B AUM 15.12% 1-Year Est. Return
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $83.3B AUM 31.19% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $269B AUM 31.4% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return
CIBC Asset Management
CIBC Asset Management Toronto, Ontario, Canada $40.9B AUM 35.96% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
GCC
Guardian Capital (Canada) Toronto, Ontario, Canada $3.78B AUM 33.04% 1-Year Est. Return

William Blair Investment Management's BGSI Position: Q1 2026 in Review

William Blair Investment Management reduced its Boyd Group Services (BGSI) stake by 4.7% in Q1 2026, selling an estimated $1.08M and leaving 135,248 shares worth $17.3M. The position accounts for 0.06% of the portfolio, ranked #264.

William Blair Investment Management first reported a position in BGSI in Q4 2025 and has held it in 2 quarters since. The position peaked at $22.6M in Q4 2025. 119 funds tracked by Wall St. Rank hold BGSI as of Q1 2026.

  • William Blair Investment Management held 135,248 shares of Boyd Group Services worth $17.3M as of Q1 2026.
  • William Blair Investment Management sold 6,700 Boyd Group Services shares in Q1 2026, an estimated $1.08M.
  • Boyd Group Services made up 0.06% of William Blair Investment Management's portfolio in Q1 2026, its #264 holding.
  • William Blair Investment Management first reported a position in Boyd Group Services in Q4 2025 and has held it in 2 quarters since.
  • William Blair Investment Management's Boyd Group Services position peaked at $22.6M in Q4 2025.
  • 119 funds tracked by Wall St. Rank held Boyd Group Services as of Q1 2026.

Based on William Blair Investment Management's 13F filing for Q1 2026, filed 8 May 2026.