NBIS
Nebius Group N.V. · Technology · Software - Infrastructure
Momentum inputs (comparable managers):
holder breadth +22.2% ·
share flow -30.0% ·
net new positions +18.2%
· formula
Ownership fragmentation: more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | 0 | 61.02K | $13.54M | n/a | −1 |
| Q2 2026 | 149 | +21 | 95.45M | $26.04B | +26 | −6 |
| Q1 2026 | 132 | -1 | 63.76M | $6.51B | +7 | −9 |
| Q4 2025 | 132 | +1 | 57.54M | $4.75B | +3 | −1 |
| Q3 2025 | 16 | +3 | 15.02M | $1.69B | +3 | −1 |
| Q2 2025 | 11 | +2 | 4.08M | $225.95M | +3 | −1 |
| Q1 2025 | 7 | -2 | 7.85M | $164.94M | n/a | −2 |
| Q4 2024 | 9 | +1 | 10.44M | $282.76M | +3 | −2 |
| Q3 2024 | 7 | -1 | 8.12M | $10.71M | n/a | −1 |
| Q2 2024 | 8 | n/a | 8.19M | $11.09M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | D. E. Shaw & Co. ✦ | 1.94M | New | $107.56M | 0.1% | New | 1 | SEC ↗ ×2 |
| 2 | Citadel Advisors ✦ | 1.14M | -75.4% | $62.91M | 0.1% | ▼ Trim | 5 | SEC ↗ ×2 |
| 3 | Millennium Management ✦ | 431.60K | -21.2% | $23.88M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 168.04K | New | $9.30M | 0.0% | New | 1 | SEC ↗ |
| 5 | State Street Global Advisors ✦ (passive) | 131.49K | +192.4% | $7.28M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | Two Sigma Investments ✦ | 73.00K | New | $4.04M | 0.0% | New | 1 | SEC ↗ |
| 7 | Norges Bank ✦ (passive) | 71.46K | -83.3% | $3.95M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 8 | T. Rowe Price ✦ | 69.58K | 0.0% | $3.85M | 0.0% | Held | 3 | SEC ↗ |
| 9 | Marshall Wace ✦ | 50.59K | -97.2% | $2.80M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 6.05K | n/a | $335,023 | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Fidelity (FMR) ✦ | 1.03K | n/a | $56,909 | 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
| D. E. Shaw & Co. | $107.56M | 0.1% |
| Geode Capital Management | $9.30M | 0.0% |
| Two Sigma Investments | $4.04M | 0.0% |
Exited
| Soros Fund Management | $7.04M | was 0.2% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 719 holders, 117.51M shares, $11.85B 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)
Director · 148 sh @ 169.99 · $25,159
Director · 148 sh @ 169.99 · $25,159
Director · 148 sh @ 169.99 · $25,159
Open-market sales (S)
Director · 960 sh · $180,672
Director · 400 sh · $74,668
Director · 200 sh · $36,870
Director · 200 sh · $36,442
Director · 400 sh · $72,508
Director · 600 sh · $108,156
Director · 400 sh · $71,612
Director · 400 sh · $71,160
Director · 500 sh · $87,860
Director · 400 sh · $69,880
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology