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
Beijing Teamsun Technology Co. Ltd.
Comparable rows
3/50
Latest evidence
03 Nov 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
-
3 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
-
03 Nov 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
Beijing Teamsun Technolog...
Comparable rows
3/50
Latest evidence
03 Nov 2026
13D/G
13F
3/4/5
Lead comparable stake: 7.2%
47 rows are not safely comparable across share classes.
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%.
3 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 3
Alyeska Investment Group, L.P.
7.2%
VANGUARD GROUP INC
6.7%
BlackRock, Inc.
6.7%
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%
Reported 13D/G
· 30 Jun 2026
|
$35,851,201
6,066,193 shares
|
+$13,496,590 | 30 Jun 2026 |
| VANGUARD GROUP INC |
13D/G
The Vanguard Group
|
6.7%
Reported 13D/G
· 31 Dec 2024
|
$77,552,719
5,535,526 shares
|
$0 | 31 Dec 2024 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.7%
Reported 13D/G
· 30 Jun 2026
|
$37,923,037
6,676,591 shares
|
— | 30 Jun 2026 |
| Beijing Teamsun Technology Co. Ltd. |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$177,781,542
13,889,183 shares
|
— | 12 Sep 2024 |
| Leonard Livschitz |
3/4/5
CHIEF EXECUTIVE OFFICER, Director
|
—
denominator unverified
|
$39,746,082
3,310,394 shares
|
-$677,500 | 30 Oct 2026 |
| T. Rowe Price Investment Management, Inc. |
13F
Company
|
—
denominator unverified
|
$21,089,000
3,712,682 shares
|
— | 30 Jun 2026 |
| BAMCO INC /NY/ |
13F
Company
|
—
denominator unverified
|
$17,040,000
3,000,000 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$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: -$1,697,620.
Buys
$0
Insiders: 0
Sells
$1,697,620
Insiders: 4
Net
-$1,697,620
Shares: -182,662
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 182,662
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 69,636 | $0 | $710,395 | -$710,395 |
| 3-6 | 0 | 6,147 | $0 | $46,323 | -$46,323 |
| 6-9 | 0 | 22,511 | $0 | $139,172 | -$139,172 |
| 9-12 | 0 | 84,368 | $0 | $801,730 | -$801,730 |
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
-$1.7M
Full value: -$1,697,620 · USD · 12-month changeLatest report
03 Nov 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 | $39,746,082 | -$677,500 | -1.7% | Mixed | 30 Oct 2026 |
| Lloyd Carney | Director | $15,227,225 | Mixed | 23 Dec 2025 | ||
| Yury Gryzlov | Chief Operating Officer | $6,504,853 | -$716,990 | -9.9% | Filing P/S | 03 Nov 2026 |
| Victoria Livshitz | EVP of Customer Success | $6,045,561 | Mixed | 13 Jun 2021 | ||
| Eric Benhamou | Director | $5,755,928 | Mixed | 23 Dec 2025 | ||
| Anil Doradla | Chief Financial Officer | $3,936,089 | -$273,880 | -6.5% | Filing P/S | 30 Oct 2026 |
| Stan Klimoff | Chief Strategy Officer | $3,830,887 | Mixed | 03 May 2023 | ||
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Yury Gryzlov | GDYN | Common Stock | Sale | -0.97% | -$63,888 | $13.55 | -4,715 | 480,063 | 03 Nov 2026 | Direct |
| Leonard Livschitz | GDYN | Common Stock | Sale | -0.3% | -$120,200 | $12.02 | -10,000 | 3,299,560 | 30 Oct 2026 | Direct |
| Anil Doradla | GDYN | Common Stock | Sale | -5.07% | -$210,200 | $10.51 | -20,000 | 374,509 | 30 Oct 2026 | Direct |
| Yury Gryzlov | GDYN | Common Stock | Sale | -2.12% | -$110,481 | $10.51 | -10,512 | 484,778 | 30 Oct 2026 | Direct |
| Leonard Livschitz | GDYN | Common Stock | Sale | -0.3% | -$90,000 | $9.00 | -10,000 | 3,309,560 | 29 Oct 2026 | Direct |
| Anil Doradla | GDYN | Common Stock | Tax liability | -0.19% | -738 | 394,509 | 28 Oct 2026 | Direct | ||
| Yury Gryzlov | GDYN | Common Stock | Sale | -0.97% | -$38,792 | $8.00 | -4,849 | 495,290 | 08 Oct 2026 | Direct |
| Yury Gryzlov | GDYN | Common Stock | Sale | -0.25% | -$10,533 | $8.46 | -1,245 | 500,139 | 02 Oct 2026 | Direct |
| Anil Doradla | GDYN | Common Stock | Tax liability | -0.53% | -2,111 | 395,247 | 01 Oct 2026 | Direct | ||
| Yury Gryzlov | GDYN | Common Stock | Tax liability | -0.34% | -1,686 | 501,384 | 01 Oct 2026 | Direct | ||
| Leonard Livschitz | GDYN | Common Stock | Tax liability | -1.07% | -35,968 | 3,319,560 | 01 Oct 2026 | Direct | ||
| Yury Gryzlov | GDYN | Common Stock | Sale | -0.77% | -$31,344 | $8.00 | -3,918 | 503,070 | 03 Sep 2026 | Direct |
| 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 |
* marks a reported price that did not pass the local price check.