Simplex Trading
GDYN icon

Simplex Trading’s Grid Dynamics Holdings GDYN Stock Holding History

Simplex Trading’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 		$225K Buy
39,630
+26,148
+194% +$162K ﹤0.01% 4562
2026
Q1 		$76.8K Sell
13,482
-17,927
-57% -$132K ﹤0.01% 5385
2025
Q4 		$284K Buy
31,409
+28,733
+1,074% +$249K ﹤0.01% 3875
2025
Q3 		$20K Buy
+2,676
New +$23.9K ﹤0.01% 7319
2025
Q2 		– Sell
-13
Closed -$171 – 9011
2025
Q1 		$0 Sell
13
-5,026
-100% -$101K ﹤0.01% 8880
2024
Q4 		$112K Buy
5,039
+4,724
+1,500% +$82.5K ﹤0.01% 5074
2024
Q3 		$4K Sell
315
-667
-68% -$8.62K ﹤0.01% 7714
2024
Q2 		$10K Buy
+982
New +$10.1K ﹤0.01% 7420
2023
Q4 		– Sell
-4,925
Closed -$60K – 9152
2023
Q3 		$59K Buy
+4,925
New +$54.6K ﹤0.01% 5647
2022
Q3 		– Sell
-35
Closed -$663 – 10243
2022
Q2 		$0 Sell
35
-4,339
-99% -$70.9K ﹤0.01% 10328
2022
Q1 		$61K Buy
4,374
+3,977
+1,002% +$81.3K ﹤0.01% 6852
2021
Q4 		$15K Sell
397
-1,183
-75% -$40.9K ﹤0.01% 8676
2021
Q3 		$29K Sell
1,580
-1,213
-43% -$29.7K ﹤0.01% 8115
2021
Q2 		$41K Buy
+2,793
New +$43.8K ﹤0.01% 7890
2021
Q1 		– Sell
-172
Closed -$2.47K – 9215
2020
Q4 		$2K Buy
+172
New +$1.66K ﹤0.01% 7972

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

Simplex Trading's GDYN Position: Q2 2026 in Review

Simplex Trading increased its Grid Dynamics Holdings (GDYN) stake by 194% in Q2 2026, buying an estimated $162K and bringing the position to 39,630 shares worth $225K. The position accounts for ﹤0.01% of the portfolio, ranked #4562.

Simplex Trading first reported a position in GDYN in Q4 2020 and has held it in 15 quarters since. The position peaked at $284K in Q4 2025. 198 funds tracked by Wall St. Rank hold GDYN as of Q2 2026.

  • Simplex Trading held 39,630 shares of Grid Dynamics Holdings worth $225K as of Q2 2026.
  • Simplex Trading bought 26,148 Grid Dynamics Holdings shares in Q2 2026, an estimated $162K.
  • Grid Dynamics Holdings made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #4562 holding.
  • Simplex Trading first reported a position in Grid Dynamics Holdings in Q4 2020 and has held it in 15 quarters since.
  • Simplex Trading's Grid Dynamics Holdings position peaked at $284K in Q4 2025.
  • 198 funds tracked by Wall St. Rank held Grid Dynamics Holdings as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.