GDYN
Grid Dynamics Holdings, Inc. · Technology · Information Technology Services
Momentum inputs (comparable managers):
holder breadth -30.0% ·
share flow +6.1% ·
net new positions -20.0%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 80 | +8 | 44.94M | $255.16M | +14 | −5 |
| Q1 2026 | 74 | -5 | 48.83M | $285.90M | +7 | −12 |
| Q4 2025 | 79 | +1 | 50.21M | $453.37M | +2 | −1 |
| Q3 2025 | 14 | +2 | 27.18M | $209.54M | +2 | — |
| Q2 2025 | 9 | -4 | 23.79M | $274.74M | — | −4 |
| Q1 2025 | 10 | 0 | 6.53M | $102.19M | — | — |
| Q4 2024 | 10 | +1 | 7.31M | $162.54M | +2 | −1 |
| Q3 2024 | 8 | +1 | 5.12M | $71.67M | +1 | — |
| Q2 2024 | 7 | — | 3.91M | $41.12M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 10.06M | — | $116.22M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 10.06M | — | $116.22M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 10.06M | — | $116.22M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 10.06M | — | $116.22M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 10.06M | — | $116.22M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 10.06M | — | $116.22M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 10.06M | — | $116.22M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 10.06M | — | $116.22M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 10.06M | — | $116.22M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 10.06M | — | $116.22M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 10.06M | — | $116.22M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 10.06M | — | $116.22M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 10.06M | — | $116.22M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | The Vanguard Group ✦ (passive) | 5.82M | — | $67.22M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 5.82M | — | $67.22M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 5.82M | — | $67.22M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 5.82M | — | $67.22M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 5.82M | — | $67.22M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Wellington Management ✦ | 2.90M | +54.2% | $33.53M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 20 | Wellington Management ✦ | 2.90M | +54.2% | $33.53M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 21 | Wellington Management ✦ | 2.90M | +54.2% | $33.53M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 22 | Wellington Management ✦ | 2.90M | +54.2% | $33.53M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 23 | Wellington Management ✦ | 2.90M | +54.2% | $33.53M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 24 | Wellington Management ✦ | 2.90M | +54.2% | $33.53M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 25 | State Street Global Advisors ✦ (passive) | 2.60M | +5.7% | $30.08M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 26 | Geode Capital Management ✦ (passive) | 1.64M | +7.0% | $18.94M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 27 | Geode Capital Management ✦ (passive) | 1.64M | +7.0% | $18.94M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 28 | Renaissance Technologies ✦ | 428.27K | +83.7% | $4.95M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 29 | Two Sigma Investments ✦ | 281.11K | +415.6% | $3.25M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | T. Rowe Price ✦ | 45.38K | +16.4% | $525,000 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 31 | Fidelity (FMR) ✦ | 2.93K | — | $33,876 | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Fidelity (FMR) ✦ | 2.93K | — | $33,876 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Marshall Wace | $4.15M | was 0.0% |
| Millennium Management | $376,617 | was 0.0% |
| Citadel Advisors | $315,676 | was 0.0% |
| AQR Capital Management | $242,320 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 193 holders, 67.61M shares, $373.43M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 467 sh · $3,517
Officer · 3.93K sh · $31,440
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology