NGG
National Grid plc · Utilities · Regulated Electric
Momentum inputs (comparable managers):
holder breadth +30.0% ·
share flow -9.7% ·
net new positions +20.0%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 105 | +3 | 49.94M | $4.14B | +5 | −2 |
| Q1 2026 | 103 | +4 | 45.63M | $3.85B | +11 | −7 |
| Q4 2025 | 98 | 0 | 42.03M | $3.25B | — | — |
| Q3 2025 | 14 | +1 | 19.18M | $1.39B | +2 | −1 |
| Q2 2025 | 10 | 0 | 10.96M | $815.81M | +3 | −3 |
| Q1 2025 | 8 | +1 | 3.71M | $243.57M | +2 | −1 |
| Q4 2024 | 7 | -5 | 3.81M | $226.23M | +1 | −6 |
| Q3 2024 | 11 | +4 | 3.69M | $259.49M | +5 | −1 |
| Q2 2024 | 7 | — | 4.09M | $232.06M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Renaissance Technologies ✦ | 3.12M | +1.8% | $217.34M | 0.3% | ▲ Add | 2 | SEC ↗ |
| 2 | Adage Capital Partners ✦ | 150.00K | -45.5% | $10.45M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | Arrowstreet Capital ✦ | 101.22K | New | $9.43M | 0.0% | New | 1 | SEC ↗ |
| 4 | T. Rowe Price ✦ | 132.24K | New | $9.21M | 0.0% | New | 1 | SEC ↗ |
| 5 | T. Rowe Price ✦ | 132.24K | New | $9.21M | 0.0% | New | 1 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 86.28K | -37.4% | $6.01M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | Wellington Management ✦ | 63.10K | +7.5% | $4.40M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Wellington Management ✦ | 63.10K | +7.5% | $4.40M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | Millennium Management ✦ | 13.06K | -45.7% | $910,099 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | Fisher Asset Management ✦ | 10.87K | -7.6% | $757,208 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | D. E. Shaw & Co. ✦ | 6.32K | New | $440,175 | 0.0% | New | 1 | SEC ↗ |
| 12 | Two Sigma Investments ✦ | 4.68K | New | $326,265 | 0.0% | New | 1 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 3.10K | New | $216,185 | 0.0% | New | 1 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 3.10K | New | $216,185 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Arrowstreet Capital | $9.43M | 0.0% |
| T. Rowe Price | $9.21M | 0.0% |
| T. Rowe Price | $9.21M | 0.0% |
| D. E. Shaw & Co. | $440,175 | 0.0% |
| Two Sigma Investments | $326,265 | 0.0% |
| AQR Capital Management | $216,185 | 0.0% |
| AQR Capital Management | $216,185 | 0.0% |
Exited
| Marshall Wace | $29.10M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 2 holders, 179.11K shares, $19.29M 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.