GDYN
Grid Dynamics Holdings, Inc. · Technology · Information Technology Services
Momentum inputs (comparable managers):
holder breadth +14.3% ·
share flow +30.0% ·
net new positions +12.5%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 79 | +7 | 44.93M | $255.09M | +13 | −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 | Wellington Management ✦ | 2.86M | +30.9% | $40.04M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 2 | Geode Capital Management ✦ (passive) | 1.38M | +1.3% | $19.34M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 3 | Citadel Advisors ✦ | 554.97K | +7667.2% | $7.77M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 4 | Renaissance Technologies ✦ | 223.80K | -22.2% | $3.13M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | D. E. Shaw & Co. ✦ | 46.44K | +50.5% | $650,188 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 28.10K | +2.2% | $394,000 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | Marshall Wace ✦ | 13.24K | New | $185,360 | 0.0% | New | 1 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 10.94K | -0.6% | $153,174 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $185,360 | 0.0% |
Exited
| No tracked exits this quarter. |
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 · 4.85K sh · $38,792
Officer · 1.25K sh · $10,533
Officer · 3.92K sh · $31,344
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