Comparable stake leader
Alyeska Investment Group, L.P.
SEC ownership of GRID DYNAMICS HOLDINGS, INC.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001743725.
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
50/50
Latest evidence
21 Aug 2026
- Public ticker
- GDYN on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Alyeska Investment Group, L.P.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Alyeska Investment Group, L.P.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
21 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001743725
- Issuer location
- San Ramon, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of GRID DYNAMICS HOLDINGS, INC. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Alyeska Investment Group,...
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
50/50
Latest evidence
21 Aug 2026
13D/G
13F
3/4/5
Lead comparable stake: 7.2%
13D/G row: Alyeska Investment Group, L.P.
Showing 1-8 of 50 holder rows.
Quick read
Alyeska Investment Group, L.P. leads the comparable SEC ownership view at 7.2%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Alyeska Investment Group, L.P.'s linked filing trail.
Comparable ownership
Top 5
Alyeska Investment Group, L.P.
7.2%
VANGUARD GROUP INC
6.7%
BlackRock, Inc.
6.7%
Leonard Livschitz
4%
Yury Gryzlov
0.61%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Alyeska Investment Group, L.P. |
13D/G
13F
Company
|
7.2%
|
$35,851,201
6,066,193 shares
|
+$13,496,590 | 30 Jun 2026 |
| VANGUARD GROUP INC |
13D/G
The Vanguard Group
|
6.7%
|
$77,552,719
5,535,526 shares
|
$0 | 31 Dec 2024 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.7%
from 13D/G
|
$37,923,037
6,676,591 shares
|
— | 30 Jun 2026 |
| Leonard Livschitz |
3/4/5
CHIEF EXECUTIVE OFFICER, Director
|
4%
|
$19,120,936
3,366,362 shares
|
-$557,300 | 21 Aug 2026 |
| Yury Gryzlov |
3/4/5
CHIEF OPERATING OFFICER
|
0.61%
|
$3,817,619
506,988 shares
|
-$468,585 | 18 Aug 2026 |
| T. Rowe Price Investment Management, Inc. |
13F
Company
|
4.4%
|
$21,089,000
3,712,682 shares
|
— | 30 Jun 2026 |
| BAMCO INC /NY/ |
13F
Company
|
3.6%
|
$17,040,000
3,000,000 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
3.4%
|
$15,922,494
2,803,256 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$1,118,815.
Buys
$0
Insiders: 0
Sells
$1,118,815
Insiders: 4
Net
-$1,118,815
Shares: -128,160
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 128,160
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 5,642 | $0 | $42,788 | -$42,788 |
| 3-6 | 0 | 27,413 | $0 | $177,664 | -$177,664 |
| 6-9 | 0 | 84,368 | $0 | $801,730 | -$801,730 |
| 9-12 | 0 | 10,737 | $0 | $96,633 | -$96,633 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-15 of 15 reporting-owner rows connected to GRID DYNAMICS HOLDINGS, INC.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
15
Largest Forms 3/4/5 holder
Beijing Teamsun Technology Co. Ltd.
Net 12M change
-$1,118,815
Latest report
21 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Beijing Teamsun Technology Co. Ltd. | 10%+ Owner | $177,781,542 | Filing P/S | 12 Sep 2024 | ||
| Leonard Livschitz | CHIEF EXECUTIVE OFFICER, Director | $19,120,936 | -$557,300 | -2.8% | Median | 21 Aug 2026 |
| Lloyd Carney | Director | $15,227,225 | Mixed | 23 Dec 2025 | ||
| Victoria Livshitz | EVP of Customer Success | $6,045,561 | Mixed | 13 Jun 2021 | ||
| Eric Benhamou | Director | $5,755,928 | Mixed | 23 Dec 2025 | ||
| Stan Klimoff | Chief Strategy Officer | $3,830,887 | Mixed | 03 May 2023 | ||
| Yury Gryzlov | Chief Operating Officer | $3,817,619 | -$468,585 | -11% | Filing P/S | 18 Aug 2026 |
| Anil Doradla | Chief Financial Officer | $2,796,493 | -$63,680 | -2.2% | Mixed | 28 Jul 2026 |
| Vadim Kozyrkov | SVP of Engineering | $2,438,296 | Mixed | 13 Sep 2021 | ||
| Shuo Zhang | Director | $902,021 | -$29,250 | -3.1% | Mixed | 07 Aug 2026 |
| Michael Christopher Southworth | Director | $741,450 | Mixed | 23 Dec 2025 | ||
| Weihang Wang | Director | $707,063 | Mixed | 23 Dec 2025 | ||
| Yueou Wang | Director | $707,063 | Mixed | 23 Dec 2025 | ||
| Marina Levinson | Director | $683,866 | Mixed | 23 Dec 2025 | ||
| Patrick Nicolet | Director | $415,179 | Mixed | 23 Dec 2025 |
Recent insider transactions for GRID DYNAMICS HOLDINGS, INC.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Leonard Livschitz | GDYN | Common Stock | Tax liability | -1.58% | -174 | 10,834 | 21 Aug 2026 | See footnote | ||
| Yury Gryzlov | GDYN | Common Stock | Sale | -0.09% | $3,517 | $7.53 | -467 | 506,988 | 18 Aug 2026 | Direct |
| Leonard Livschitz | GDYN | Common Stock | Tax liability | -2.24% | -252 | 11,008 | 14 Aug 2026 | See footnote | ||
| Yury Gryzlov | GDYN | Common Stock | Tax liability | -0.12% | -632 | 507,455 | 14 Aug 2026 | Direct | ||
| Yury Gryzlov | GDYN | Common Stock | Sale | -0.77% | $31,440 | $8.00 | -3,930 | 508,087 | 13 Aug 2026 | Direct |
| Shuo Zhang | GDYN | Common Stock | Gift | -4.67% | -5,134 | 104,772 | 07 Aug 2026 | Direct | ||
| Anil Doradla | GDYN | Common Stock | Tax liability | -0.17% | -667 | 397,358 | 28 Jul 2026 | Direct | ||
| Yury Gryzlov | GDYN | Common Stock | Sale | -0.24% | $7,831 | $6.29 | -1,245 | 512,017 | 02 Jul 2026 | Direct |
| Leonard Livschitz | GDYN | Common Stock | Tax liability | -1.06% | -35,968 | 3,355,528 | 02 Jul 2026 | Direct | ||
| Leonard Livschitz | GDYN | Common Stock | Tax liability | -1.06% | -35,968 | 3,355,528 | 01 Jul 2026 | Direct | ||
| Yury Gryzlov | GDYN | Common Stock | Tax liability | -0.33% | -1,686 | 513,262 | 01 Jul 2026 | Direct | ||
| Anil Doradla | GDYN | Common Stock | Tax liability | -0.53% | -2,118 | 398,025 | 01 Jul 2026 | Direct | ||
| Yury Gryzlov | GDYN | Common Stock | Sale | -0.85% | $35,480 | $8.00 | -4,435 | 514,948 | 01 Jun 2026 | Direct |
| Leonard Livschitz | GDYN | Common Stock | Tax liability | -1.42% | -162 | 11,260 | 22 May 2026 | See footnote | ||
| Leonard Livschitz | GDYN | Common Stock | Tax liability | -2.02% | -236 | 11,422 | 15 May 2026 | See footnote | ||
| Yury Gryzlov | GDYN | Common Stock | Sale | -0.09% | $3,012 | $6.45 | -467 | 519,383 | 15 May 2026 | Direct |
| Yury Gryzlov | GDYN | Common Stock | Tax liability | -0.12% | -632 | 519,850 | 14 May 2026 | Direct | ||
| Anil Doradla | GDYN | Common Stock | Tax liability | -0.18% | -702 | 400,143 | 28 Apr 2026 | Direct | ||
| Yury Gryzlov | GDYN | Common Stock | Sale | -0.24% | $6,897 | $5.54 | -1,245 | 520,482 | 02 Apr 2026 | Direct |
| Leonard Livschitz | GDYN | Common Stock | Tax liability | -1.05% | -35,968 | 3,391,496 | 01 Apr 2026 | Direct | ||
| Anil Doradla | GDYN | Common Stock | Tax liability | -0.52% | -2,108 | 400,845 | 01 Apr 2026 | Direct | ||
| Yury Gryzlov | GDYN | Common Stock | Tax liability | -0.32% | -1,686 | 521,727 | 01 Apr 2026 | Direct | ||
| Yury Gryzlov | GDYN | Common Stock | Sale | -3.9% | $132,275 | $6.22 | -21,266 | 523,413 | 10 Mar 2026 | Direct |
| Leonard Livschitz | GDYN | Common Stock | Tax liability | -1.5% | -178 | 11,658 | 21 Feb 2026 | See footnote | ||
| Yury Gryzlov | GDYN | Common Stock | Tax liability | -0.48% | -2,629 | 544,679 | 14 Feb 2026 | Direct | ||
| Leonard Livschitz | GDYN | Common Stock | Tax liability | -7.96% | -1,024 | 11,836 | 14 Feb 2026 | See footnote | ||
| Yury Gryzlov | GDYN | Common Stock | Tax liability | -4.53% | -25,964 | 547,308 | 10 Feb 2026 | Direct | ||
| Anil Doradla | GDYN | Common Stock | Tax liability | -5.2% | -22,125 | 402,953 | 10 Feb 2026 | Direct | ||
| Leonard Livschitz | GDYN | Common Stock | Tax liability | -9.39% | -355,119 | 3,427,464 | 10 Feb 2026 | Direct | ||
| Yury Gryzlov | GDYN | Common Stock | Award | 20.8% | 98,736 | 573,272 | 07 Feb 2026 | Direct | ||
| Anil Doradla | GDYN | Common Stock | Award | 13.1% | 49,368 | 425,078 | 07 Feb 2026 | Direct | ||
| Leonard Livschitz | GDYN | Common Stock | Award | 21.1% | 658,240 | 3,782,583 | 07 Feb 2026 | Direct | ||
| Anil Doradla | GDYN | Common Stock | Tax liability | -0.2% | -765 | 375,710 | 28 Jan 2026 | Direct | ||
| Leonard Livschitz | GDYN | Common Stock | Sale | -0.32% | $90,000 | $9.00 | -10,000 | 3,124,343 | 20 Jan 2026 | Direct |
| Anil Doradla | GDYN | Common Stock | Sale | -0.53% | $20,000 | $10.00 | -2,000 | 376,475 | 07 Jan 2026 | Direct |
| Leonard Livschitz | GDYN | Common Stock | Sale | -0.32% | $97,000 | $9.70 | -10,000 | 3,134,343 | 06 Jan 2026 | Direct |
| Yury Gryzlov | GDYN | Common Stock | Tax liability | -0.37% | -1,753 | 474,536 | 01 Jan 2026 | Direct | ||
| Yury Gryzlov | GDYN | Common Stock | Award | 8.18% | 36,000 | 476,289 | 01 Jan 2026 | Direct | ||
| Leonard Livschitz | GDYN | Common Stock | Tax liability | -1.16% | -37,035 | 3,144,343 | 01 Jan 2026 | Direct | ||
| Leonard Livschitz | GDYN | Common Stock | Award | 12.8% | 360,000 | 3,181,378 | 01 Jan 2026 | Direct | ||
| Anil Doradla | GDYN | Common Stock | Tax liability | -0.62% | -2,377 | 378,475 | 01 Jan 2026 | Direct | ||
| Anil Doradla | GDYN | Common Stock | Award | 10.4% | 36,000 | 380,852 | 01 Jan 2026 | Direct | ||
| Lloyd Carney | GDYN | Common Stock | Award | 0.33% | 2,309 | 692,286 | 23 Dec 2025 | Direct | ||
| Leonard Livschitz | GDYN | Common Stock | Sale | -0.35% | $93,300 | $9.33 | -10,000 | 2,821,378 | 23 Dec 2025 | Direct |
| Shuo Zhang | GDYN | Common Stock | Award | 18.8% | 17,391 | 109,906 | 23 Dec 2025 | Direct | ||
| Patrick Nicolet | GDYN | Common Stock | Award | 61.5% | 12,499 | 32,831 | 23 Dec 2025 | Direct | ||
| Yueou Wang | GDYN | Common Stock | Award | 36.1% | 12,499 | 47,125 | 23 Dec 2025 | Direct | ||
| Michael Christopher Southworth | GDYN | Common Stock | Award | 52.4% | 19,021 | 55,331 | 23 Dec 2025 | Direct | ||
| Weihang Wang | GDYN | Common Stock | Award | 36.1% | 12,499 | 47,125 | 23 Dec 2025 | Direct | ||
| Marina Levinson | GDYN | Common Stock | Award | 51.9% | 17,391 | 50,881 | 23 Dec 2025 | Direct |
* marks a reported price that did not pass the local price check.