Grid Dynamics Holdings, Inc. (GDYN) ownership: Top institutional holder: BlackRock, Inc. ($67.16M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 11782501.00 | $67.16M | 2026-03-31 |
| VANGUARD GROUP INC | 5920753.00 | $53.46M | 2025-12-31 |
| Alyeska Investment Group, L.P. | 5254813.00 | $29.95M | 2026-03-31 |
| ALLIANCEBERNSTEIN L.P. | 2273678.00 | $20.53M | 2026-03-31 |
| BAMCO INC /NY/ | 3000322.00 | $17.10M | 2026-03-31 |
| STATE STREET CORP | 2916353.00 | $16.62M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2822129.00 | $16.09M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2779953.00 | $15.85M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-14 | |
| Sell | null | 2026-08-14 | |
| Sell | null | 2026-08-13 | |
| Sell | null | 2026-08-07 | |
| Sell | null | 2026-07-28 | |
| Sell | null | 2026-07-02 | |
| Sell | null | 2026-07-02 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.