Who owns Grid Dynamics (GDYN)?
101 holders named in SEC filings declare between 72.4% and 82.5% of Grid Dynamics' shares outstanding, as of Oct 1, 2026. The largest are BlackRock (8.2%), Alyeska Investment Group, L.P. (7.5%) and Vanguard (6.7%); the five largest hold 31.1% together. Another 101 institutions hold small positions worth 1.3%. At least 16.1% of the shares appear in no ownership filing: investors who do not have to report, mostly individuals. From Mar 31, 2026 to Jun 30, 2026, institutions that filed both quarters bought 14.8% and sold 23.0% of the shares, a net sale of 8.2%; 41 opened a position, 65 added, 58 reduced and 45 sold out. Biggest buyers: Jane Street (+1.3M shares) and T. Rowe Price (+1.1M shares). Biggest sellers: BlackRock (-5.1M) and ALLIANCEBERNSTEIN L.P. (-2.0M). Schedule 13D/G filings since Mar 31, 2026: Alyeska Investment Group, L.P. raised its stake to 7.5% on Jun 30, 2026 and BlackRock, Inc. cut its stake to 6.9% on Jun 30, 2026. Directors and officers, from their latest Form 4: Leonard Livschitz (4.1%), Lloyd Carney (1.3%) and Yury Gryzlov (0.62%). Over time, 187 managers declared Grid Dynamics in their 13F for Q2 2026, against 44 for Q1 2020: together at most 74.3% of the shares outstanding, against 39.7%.
| Holder | Filing | Share of capital | As of | Holding since (13F) |
|---|---|---|---|---|
| BlackRock | 13F | 8.2% | Jun 30, 2026 | Q1 2020 |
| Alyeska Investment Group, L.P. | 13F | 7.5% | Jun 30, 2026 | Q4 2023 |
| Vanguard | 13F | 6.7% | Jun 30, 2026 | Q2 2020 |
| T. Rowe Price | 13F | 4.6% | Jun 30, 2026 | Q3 2021 |
| Leonard Livschitz | Form 4 | 4.1% | Oct 1, 2026 | — |
| BAMCO INC /NY/ | 13F | 3.7% | Jun 30, 2026 | Q1 2020 |
| Morgan Stanley | 13F | 3.0% | Jun 30, 2026 | Q1 2020 |
| State Street | 13F | 2.5% | Jun 30, 2026 | Q2 2020 |
| Geode Capital | 13F | 2.2% | Jun 30, 2026 | Q2 2020 |
| FEDERATED HERMES, INC. | 13F | 2.2% | Jun 30, 2026 | Q1 2026 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 13F | 1.6% | Jun 30, 2026 | Q3 2025 |
| Jane Street | 13F | 1.5% | Jun 30, 2026 | Q2 2026 |
| Goldman Sachs | 13F | 1.5% | Jun 30, 2026 | Q2 2020 |
| ROYAL BANK OF CANADA | 13F | 1.4% | Jun 30, 2026 | Q4 2020 |
| Dimensional | 13F | 1.4% | Jun 30, 2026 | Q2 2021 |
| Millennium | 13F | 1.3% | Jun 30, 2026 | Q2 2026 |
| Ameriprise Financial, Inc. | 13F | 1.3% | Jun 30, 2026 | Q1 2022 |
| Focus Partners Wealth | 13F | 1.3% | Jun 30, 2026 | Q4 2024 |
| Lloyd Carney | Form 4 | 1.3% | Dec 23, 2025 | — |
| Northern Trust | 13F | 1.2% | Jun 30, 2026 | Q1 2020 |
| RIVERBRIDGE PARTNERS LLC | 13F | 1.2% | Jun 30, 2026 | Q1 2021 |
| CenterBook Partners LP | 13F | 1.0% | Jun 30, 2026 | Q1 2025 |
| CSM Advisors, LLC | 13F | 0.93% | Jun 30, 2026 | Q2 2026 |
| Charles Schwab | 13F | 0.92% | Jun 30, 2026 | Q2 2020 |
| S SQUARED TECHNOLOGY, LLC | 13F | 0.78% | Jun 30, 2026 | Q3 2020 |
Grid Dynamics institutional ownership over time
| Quarter | 13F managers | Share of the company (upper bound) | Value declared | Held by stock pickers |
|---|---|---|---|---|
| Q4 2020 | 74 | 47.5% | $304.8M | 70.7% |
| Q4 2021 | 164 | 67.9% | $1.7B | 65.8% |
| Q4 2022 | 156 | 69.9% | $580.1M | 70.3% |
| Q4 2023 | 140 | 71.5% | $720.5M | 69.5% |
| Q4 2024 | 197 | 92.7% | $1.6B | 63.7% |
| Q4 2025 | 195 | 79.4% | $607.6M | 54.4% |
| Q2 2026 | 187 | 74.3% | $352.9M | 57.8% |
From SEC Form 13F, every quarter since the end of 2019, read like the current quarter: entities of a house summed, a value contradicting its share count set aside. The share of the company is an upper bound — two managers can declare the same shares — over the shares outstanding at that date.