Grid Dynamics Holdings, Inc.
GDYN- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001743725
In the last 90 days, Grid Dynamics Holdings, Inc. insiders filed 0 open-market purchases and 11 sales; 198 institutions reported holding it in 13F filings for Q2 2026, worth $352.9M in total; no superinvestor holds it.
Holders of 5% or more of GDYN
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Grid Dynamics Holdings, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Alyeska Investment Group, L.P. | 13G/A | 7.25%6.07M shares | +1.09 ppfrom 6.16% | Nov 14, 20254 filings | Aug 14, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 6.70%5.58M shares | −5.20 ppfrom 11.90% | Jan 8, 20252 filings | Jul 8, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
29 Schedule 13D and 13G filings on Grid Dynamics Holdings, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20264:37 PM ET | Alyeska Investment Group, L.P.and 2 others | 13G/A | 7.25%6.07M shares | +1.09 ppfrom 6.16% | Jun 30, 2026 | SEC |
| Jul 8, 202611:12 AM ET | BlackRock, Inc. | 13G/A | 6.70%5.58M shares | −5.20 ppfrom 11.90% | Jun 30, 2026 | SEC |
| May 15, 20264:31 PM ET | Alyeska Investment Group, L.P.and 2 others | 13G | 6.16%5.25M shares | +1.65 ppfrom 4.51% | Mar 31, 2026 | SEC |
| Mar 27, 20269:32 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −6.71 ppfrom 6.71%Below 5% | Mar 13, 2026 | SEC |
| Feb 17, 20264:37 PM ET | Alyeska Investment Group, L.P.and 2 others | 13G/A | 4.51%3.78M shares | −0.56 ppfrom 5.07%Below 5% | Dec 31, 2025 | SEC |
| Nov 14, 20255:46 PM ET | Alyeska Investment Group, L.P.and 2 others | 13G | 5.07%4.29M shares | New | Sep 30, 2025 | SEC |
| Nov 13, 20258:26 PM ET | Wasatch Advisors Inc | 13G/A | 0.00%0 shares | −5.40 ppfrom 5.40%Below 5% | Sep 30, 2025 | SEC |
| May 12, 20255:03 PM ET | Wasatch Advisors Inc | 13G/A | 5.40%4.56M shares | −1.30 ppfrom 6.70% | Mar 31, 2025 | SEC |
| Feb 12, 20253:23 PM ET | Wasatch Advisors Inc | 13G/A | 6.70%5.56M shares | – | Dec 31, 2024 | SEC |
| Jan 30, 20259:58 PM ET | Vanguard Group Inc | 13G/A | 6.71%5.54M shares | – | Dec 31, 2024 | SEC |
| Jan 8, 20257:07 PM ET | BlackRock, Inc. | 13G | 11.90%9.88M shares | New | Dec 31, 2024 | SEC |
| Sep 16, 2024 | GDD International Holding Co | 13D/AOld format | – | – | – | SEC |
| Apr 5, 2024 | Wasatch Advisors Inc | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13GOld format | – | New | – | SEC |
| Feb 9, 2024 | Wasatch Advisors Inc | 13G/AOld format | – | – | – | SEC |
| Jan 29, 20243:26 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2023 | Wasatch Advisors Inc | 13GOld format | – | New | – | SEC |
| Jan 31, 20231:58 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Bamco Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | William Blair Investment Management, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 3, 20224:41 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Oct 8, 20212:23 PM ET | Federated Hermes, Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 12, 20213:14 PM ET | Federated Hermes, Inc. | 13GOld format | – | New | – | SEC |
| Feb 12, 2021 | Bamco Inc | 13GOld format | – | New | – | SEC |
| Feb 11, 2021 | William Blair Investment Management, LLC | 13GOld format | – | New | – | SEC |
| Feb 9, 2021 | MMCAP International Inc. SPC | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2021 | Linden Capital L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 2, 20213:13 PM ET | BlackRock Inc. | 13GOld format | – | New | – | SEC |
| Feb 1, 2021 | Explorer Parent LLC | 13D/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
140 notices from officers, directors and other affiliates planning to sell Grid Dynamics Holdings, Inc. shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Nov 10, 20265:10 PM ET | Benhamou Survivor's TrustDirector | 54.8K | $740.4K | Nov 10, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 10, 20265:05 PM ET | BGV Opportunity Fund, L.P.Director | 129.8K | $1.82M | Nov 10, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 10, 20264:08 PM ET | Leonard LivschitzOfficer · Director | 20.0K | $268.0K | Nov 10, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 9, 20264:51 PM ET | Benhamou Survivor's TrustDirector | 389 | $5.17K | Nov 9, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 9, 20264:23 PM ET | BGV Opportunity Fund, L.P.Director | 100 | $1.33K | Nov 9, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 9, 20264:06 PM ET | BGV II, LP ,LPDirector | 54.2K | $715.8K | Nov 9, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 6, 20264:40 PM ET | BGV Opportunity Fund, L.P.Director | 50.4K | $665.6K | Nov 6, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 6, 20264:08 PM ET | Anil Kumar DoradlaOfficer | 1.50K | $19.9K | Nov 6, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 6, 202611:32 AM ET | Carney LloydDirector | 52.0K | $696.9K | Nov 6, 2026 | Fidelity Investments | SEC |
| Nov 5, 20264:13 PM ET | Lloyd A CarneyDirector | 15.2K | $202.9K | Nov 5, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 3, 20264:21 PM ET | Yury GryzlovOfficer | 4.71K | $63.8K | Nov 3, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 30, 20264:25 PM ET | Leonard LivschitzOfficer · Director | 10.0K | $120.2K | Oct 30, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 30, 20264:05 PM ET | Anil Kumar DoradlaOfficer | 20.0K | $210.2K | Oct 30, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 30, 20264:03 PM ET | Yury GryzlovOfficer | 10.5K | $110.5K | Oct 30, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 29, 20264:10 PM ET | Leonard LivschitzOfficer · Director | 10.0K | $90.0K | Oct 29, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 8, 20265:35 PM ET | Yury GryzlovOfficer | 4.85K | $38.8K | Oct 8, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 2, 20264:25 PM ET | Yury GryzlovOfficer | 1.25K | $10.5K | Oct 2, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 3, 20264:04 PM ET | Yury GryzlovOfficer | 3.92K | $31.3K | Sep 3, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 18, 20264:29 PM ET | Yury GryzlovOfficer | 467 | $3.52K | Aug 18, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 13, 20265:17 PM ET | Yury GryzlovOfficer | 3.93K | $31.4K | Aug 13, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jul 2, 20264:15 PM ET | Yury GryzlovOfficer | 1.25K | $7.83K | Jul 2, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 1, 20265:21 PM ET | Yury GryzlovOfficer | 4.43K | $35.5K | Jun 1, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 15, 20264:16 PM ET | Yury GryzlovOfficer | 467 | $3.01K | May 15, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Apr 2, 20264:16 PM ET | Yury GryzlovOfficer | 1.25K | $6.90K | Apr 2, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Mar 10, 20264:05 PM ET | Yury GryzlovOfficer | 21.3K | $132.3K | Mar 10, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
Showing the latest 25. See the GDYN notices from the last 12 months