William Blair Investment Management
GDYN icon

William Blair Investment Management’s Grid Dynamics Holdings GDYN Stock Holding History

William Blair Investment Management’s Portfolio GDYN Stock Details GDYN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-1,456,824
Closed -$16.8M – 428
2025
Q2 		$16.8M Buy
1,456,824
+67,781
+5% +$891K 0.04% 298
2025
Q1 		$21.7M Buy
1,389,043
+391,218
+39% +$7.84M 0.06% 279
2024
Q4 		$22.2M Buy
+997,825
New +$17.4M 0.05% 300
2022
Q4 		– Sell
-1,101,950
Closed -$20.6M – 408
2022
Q3 		$20.6M Buy
1,101,950
+58,306
+6% +$1.11M 0.08% 252
2022
Q2 		$17.6M Sell
1,043,644
-396,755
-28% -$6.48M 0.07% 271
2022
Q1 		$20.3M Buy
1,440,399
+86,084
+6% +$1.76M 0.06% 284
2021
Q4 		$51.4M Sell
1,354,315
-88,710
-6% -$3.07M 0.14% 157
2021
Q3 		$42.2M Sell
1,443,025
-1,737,261
-55% -$42.5M 0.12% 200
2021
Q2 		$47.8M Sell
3,180,286
-115,523
-4% -$1.81M 0.15% 151
2021
Q1 		$52.5M Sell
3,295,809
-305,276
-8% -$4.39M 0.17% 139
2020
Q4 		$45.4M Buy
3,601,085
+339,438
+10% +$3.28M 0.15% 138
2020
Q3 		$25.2M Buy
3,261,647
+1,007,709
+45% +$7.28M 0.1% 170
2020
Q2 		$15.6M Buy
2,253,938
+281,554
+14% +$2.31M 0.06% 208
2020
Q1 		$15.8M Buy
+1,972,384
New +$20.7M 0.08% 195

Other funds holding GDYN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FSC
Fourth Sail Capital Camana Bay Grand Cayman, Cayman Islands $608M AUM 48.69% 1-Year Est. Return
RP
Riverbridge Partners Minneapolis, Minnesota $3.58B AUM 4.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Loomis, Sayles & Company
Loomis, Sayles & Company Boston, Massachusetts $74.3B AUM 24.01% 1-Year Est. Return

William Blair Investment Management's GDYN Position: Q3 2025 in Review

William Blair Investment Management sold out of Grid Dynamics Holdings (GDYN) in Q3 2025, closing a stake of 1,456,824 shares — an estimated $16.8M sold.

William Blair Investment Management first reported a position in GDYN in Q1 2020 and held it in 14 quarters. The position peaked at $52.5M in Q1 2021. 188 funds tracked by Wall St. Rank hold GDYN as of Q3 2025.

  • William Blair Investment Management reported no remaining Grid Dynamics Holdings position as of Q3 2025 after selling out during the quarter.
  • William Blair Investment Management sold 1,456,824 Grid Dynamics Holdings shares in Q3 2025, an estimated $16.8M.
  • William Blair Investment Management first reported a position in Grid Dynamics Holdings in Q1 2020 and held it in 14 quarters.
  • William Blair Investment Management's Grid Dynamics Holdings position peaked at $52.5M in Q1 2021.
  • 188 funds tracked by Wall St. Rank held Grid Dynamics Holdings as of Q3 2025.

Based on William Blair Investment Management's 13F filing for Q3 2025, filed 12 Nov 2025.