GRID DYNAMICS HLDGS INC

Ticker: GDYN CUSIP: 39813G109 Class: Common Stock

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 657,332 Value ($000) $5,936 Avg Close $8.66 Range $7.40 - $10.21

Q3 2025

Shares 779,204 Value ($000) $6,008 Avg Close $8.93 Range $7.37 - $12.86

Q2 2025

Shares 796,643 Value ($000) $9,201 Avg Close $13.15 Range $11.08 - $15.88

Q1 2025

Shares 786,105 Value ($000) $12,303 Avg Close $20.04 Range $15.23 - $25.50

Q4 2024

Shares 780,202 Value ($000) $17,352 Avg Close $17.46 Range $13.77 - $24.16

Q3 2024

Shares 802,437 Value ($000) $11,234 Avg Close $12.92 Range $10.15 - $14.67

Q2 2024

Shares 827,889 Value ($000) $8,701 Avg Close $10.31 Range $9.07 - $12.36

Q1 2024

Shares 868,704 Value ($000) $10,676 Avg Close $13.05 Range $11.64 - $14.70

Q4 2023

Shares 880,186 Value ($000) $11,733 Avg Close $12.19 Range $9.92 - $14.24

Q3 2023

Shares 904,544 Value ($000) $11,017 Avg Close $11.09 Range $9.00 - $12.39

Q2 2023

Shares 935,942 Value ($000) $8,657 Avg Close $10.02 Range $8.00 - $13.15

Q1 2023

Shares 886,147 Value ($000) $10,155 Avg Close $11.74 Range $9.55 - $14.16

Q4 2022

Shares 885,726 Value ($000) $9,938 Avg Close $12.97 Range $10.13 - $20.12

Q3 2022

Shares 908,599 Value ($000) $17,018 Avg Close $18.95 Range $15.77 - $24.27

Q2 2022

Shares 962,600 Value ($000) $16,191 Avg Close $16.34 Range $13.26 - $21.10

Q1 2022

Shares 1,001,039 Value ($000) $14,095 Avg Close $20.44 Range $9.09 - $39.67

Q4 2021

Shares 946,870 Value ($000) $35,953 Avg Close $34.56 Range $25.75 - $42.81

Q3 2021

Shares 1,018,990 Value ($000) $29,775 Avg Close $24.45 Range $15.29 - $32.69

Q2 2021

Shares 953,215 Value ($000) $14,327 Avg Close $15.67 Range $13.84 - $19.08

Q1 2021

Shares 907,439 Value ($000) $14,456 Avg Close $14.37 Range $11.97 - $16.85

Q4 2020

Shares 781,234 Value ($000) $9,844 Avg Close $9.65 Range $7.61 - $12.94

Q3 2020

Shares 38,916 Value ($000) $301 Avg Close $7.22 Range $6.33 - $8.10

Q2 2020

Shares 17,600 Value ($000) $121 Avg Close $8.19 Range $6.30 - $10.16

Q1 2020

Shares 50,000 Value ($000) $400 Avg Close $10.50 Range $4.61 - $13.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	657,332	$5,936	$8.66	$7.40 - $10.21
Q3 2025	779,204	$6,008	$8.93	$7.37 - $12.86
Q2 2025	796,643	$9,201	$13.15	$11.08 - $15.88
Q1 2025	786,105	$12,303	$20.04	$15.23 - $25.50
Q4 2024	780,202	$17,352	$17.46	$13.77 - $24.16
Q3 2024	802,437	$11,234	$12.92	$10.15 - $14.67
Q2 2024	827,889	$8,701	$10.31	$9.07 - $12.36
Q1 2024	868,704	$10,676	$13.05	$11.64 - $14.70
Q4 2023	880,186	$11,733	$12.19	$9.92 - $14.24
Q3 2023	904,544	$11,017	$11.09	$9.00 - $12.39
Q2 2023	935,942	$8,657	$10.02	$8.00 - $13.15
Q1 2023	886,147	$10,155	$11.74	$9.55 - $14.16
Q4 2022	885,726	$9,938	$12.97	$10.13 - $20.12
Q3 2022	908,599	$17,018	$18.95	$15.77 - $24.27
Q2 2022	962,600	$16,191	$16.34	$13.26 - $21.10
Q1 2022	1,001,039	$14,095	$20.44	$9.09 - $39.67
Q4 2021	946,870	$35,953	$34.56	$25.75 - $42.81
Q3 2021	1,018,990	$29,775	$24.45	$15.29 - $32.69
Q2 2021	953,215	$14,327	$15.67	$13.84 - $19.08
Q1 2021	907,439	$14,456	$14.37	$11.97 - $16.85
Q4 2020	781,234	$9,844	$9.65	$7.61 - $12.94
Q3 2020	38,916	$301	$7.22	$6.33 - $8.10
Q2 2020	17,600	$121	$8.19	$6.30 - $10.16
Q1 2020	50,000	$400	$10.50	$4.61 - $13.51