William Blair Investment Management
BSY icon

William Blair Investment Management’s Bentley Systems BSY Stock Holding History

William Blair Investment Management’s Portfolio BSY Stock Details BSY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$178M Buy
5,942,507
+2,619,784
+79% +$85.2M 0.53% 52
2026
Q1 		$117M Buy
3,322,723
+707,550
+27% +$26M 0.39% 71
2025
Q4 		$99.8M Sell
2,615,173
-316,123
-11% -$14.4M 0.28% 99
2025
Q3 		$151M Buy
+2,931,296
New +$161M 0.39% 70

Other funds holding BSY

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

William Blair Investment Management's BSY Position: Q2 2026 in Review

William Blair Investment Management increased its Bentley Systems (BSY) stake by 79% in Q2 2026, buying an estimated $85.2M and bringing the position to 5,942,507 shares worth $178M. The position accounts for 0.53% of the portfolio, ranked #52.

William Blair Investment Management first reported a position in BSY in Q3 2025 and has held it in 4 quarters since. 397 funds tracked by Wall St. Rank hold BSY as of Q2 2026.

  • William Blair Investment Management held 5,942,507 shares of Bentley Systems worth $178M as of Q2 2026.
  • William Blair Investment Management bought 2,619,784 Bentley Systems shares in Q2 2026, an estimated $85.2M.
  • Bentley Systems made up 0.53% of William Blair Investment Management's portfolio in Q2 2026, its #52 holding.
  • William Blair Investment Management first reported a position in Bentley Systems in Q3 2025 and has held it in 4 quarters since.
  • 397 funds tracked by Wall St. Rank held Bentley Systems as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.