GDYN
Grid Dynamics Holdings, Inc. · Technology · Information Technology Services
Momentum inputs (comparable managers):
holder breadth +11.1% ·
share flow -4.3% ·
net new positions +10.0%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| 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 | State Street Global Advisors ✦ (passive) | 2.52M | — | $55.95M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Wellington Management ✦ | 2.37M | -17.0% | $52.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 3 | Wellington Management ✦ | 2.37M | -17.0% | $52.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Wellington Management ✦ | 2.37M | -17.0% | $52.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 1.43M | +3.8% | $31.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 1.43M | +3.8% | $31.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | Marshall Wace ✦ | 594.18K | +4387.8% | $13.21M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Renaissance Technologies ✦ | 221.60K | -1.0% | $4.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 54.83K | New | $1.22M | 0.0% | New | 1 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 44.94K | -91.9% | $999,532 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 34.92K | +24.2% | $777,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | Millennium Management ✦ | 23.36K | New | $519,460 | 0.0% | New | 1 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 11.69K | +6.9% | $260,046 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 11.69K | +6.9% | $260,046 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 11.69K | +6.9% | $260,046 | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Two Sigma Investments | $1.22M | 0.0% |
| Millennium Management | $519,460 | 0.0% |
Exited
| D. E. Shaw & Co. | $650,188 | 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