William Blair Investment Management
KNSL icon

William Blair Investment Management’s Kinsale Capital Group KNSL Stock Holding History

William Blair Investment Management’s Portfolio KNSL Stock Details KNSL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-7,144
Closed -$3.04M – 437
2025
Q3 		$3.04M Sell
7,144
-9,517
-57% -$4.31M 0.01% 344
2025
Q2 		$8.06M Sell
16,661
-20,998
-56% -$9.79M 0.02% 332
2025
Q1 		$18.3M Buy
37,659
+5,892
+19% +$2.64M 0.05% 302
2024
Q4 		$14.8M Buy
+31,767
New +$15M 0.04% 330

Other funds holding KNSL

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
First Manhattan
First Manhattan New York $39.2B AUM 21.04% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
LCIP
Life Cycle Investment Partners London $21.4B AUM
DC
Davenport & Co Richmond, Virginia $20.4B AUM 18.11% 1-Year Est. Return

William Blair Investment Management's KNSL Position: Q4 2025 in Review

William Blair Investment Management sold out of Kinsale Capital Group (KNSL) in Q4 2025, closing a stake of 7,144 shares — an estimated $3.04M sold.

William Blair Investment Management first reported a position in KNSL in Q4 2024 and held it in 4 quarters. The position peaked at $18.3M in Q1 2025. 593 funds tracked by Wall St. Rank hold KNSL as of Q4 2025.

  • William Blair Investment Management reported no remaining Kinsale Capital Group position as of Q4 2025 after selling out during the quarter.
  • William Blair Investment Management sold 7,144 Kinsale Capital Group shares in Q4 2025, an estimated $3.04M.
  • William Blair Investment Management first reported a position in Kinsale Capital Group in Q4 2024 and held it in 4 quarters.
  • William Blair Investment Management's Kinsale Capital Group position peaked at $18.3M in Q1 2025.
  • 593 funds tracked by Wall St. Rank held Kinsale Capital Group as of Q4 2025.

Based on William Blair Investment Management's 13F filing for Q4 2025, filed 9 Feb 2026.