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John Overdeck’s Grid Dynamics Holdings GDYN Stock Holding History

John Overdeck’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
2026
Q2 		$1.18M Buy
+207,573
New +$1.28M ﹤0.01% 3479
2025
Q4 		– Sell
-74,588
Closed -$575K – 4182
2025
Q3 		$575K Sell
74,588
-206,524
-73% -$1.84M ﹤0.01% 2921
2025
Q2 		$3.25M Buy
281,112
+226,587
+416% +$2.98M 0.01% 1516
2025
Q1 		$853K Sell
54,525
-306
-0.6% -$6.13K ﹤0.01% 2265
2024
Q4 		$1.22M Buy
+54,831
New +$958K ﹤0.01% 2051
2023
Q3 		– Sell
-64,534
Closed -$597K – 3044
2023
Q2 		$597K Buy
+64,534
New +$647K ﹤0.01% 2247
2023
Q1 		– Sell
-34,000
Closed -$381K – 3038
2022
Q4 		$381K Buy
+34,000
New +$441K ﹤0.01% 2140
2022
Q3 		– Sell
-37,600
Closed -$632K – 2589
2022
Q2 		$632K Sell
37,600
-715,967
-95% -$11.7M ﹤0.01% 1731
2022
Q1 		$10.6M Buy
+753,567
New +$15.4M 0.03% 589
2021
Q4 		– Sell
-62,600
Closed -$1.83M – 4486
2021
Q3 		$1.83M Buy
62,600
+37,511
+150% +$917K ﹤0.01% 2072
2021
Q2 		$377K Buy
+25,089
New +$393K ﹤0.01% 3324
2021
Q1 		– Sell
-48,624
Closed -$613K – 3966
2020
Q4 		$613K Buy
48,624
+2,647
+6% +$25.5K ﹤0.01% 2356
2020
Q3 		$355K Buy
45,977
+14,824
+48% +$107K ﹤0.01% 2477
2020
Q2 		$215K Buy
+31,153
New +$255K ﹤0.01% 2595

Other funds holding GDYN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 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
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return

John Overdeck's GDYN Position: Q2 2026 in Review

John Overdeck opened a new position in Grid Dynamics Holdings (GDYN) in Q2 2026: 207,573 shares worth $1.18M. The stake represents ﹤0.01% of the portfolio and ranks #3479 among its holdings. This is a return to the name: John Overdeck previously reported a position in GDYN as recently as Q3 2025.

John Overdeck first reported a position in GDYN in Q2 2020 and has held it in 14 quarters since. The position peaked at $10.6M in Q1 2022. 196 funds tracked by Wall St. Rank hold GDYN as of Q2 2026.

  • John Overdeck held 207,573 shares of Grid Dynamics Holdings worth $1.18M as of Q2 2026.
  • Grid Dynamics Holdings was a new John Overdeck position in Q2 2026.
  • Grid Dynamics Holdings made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #3479 holding.
  • John Overdeck first reported a position in Grid Dynamics Holdings in Q2 2020 and has held it in 14 quarters since.
  • John Overdeck's Grid Dynamics Holdings position peaked at $10.6M in Q1 2022.
  • 196 funds tracked by Wall St. Rank held Grid Dynamics Holdings as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.