ATO
Atmos Energy Corporation · Utilities · Regulated Gas
Momentum inputs (comparable managers):
holder breadth -7.7% ·
share flow +25.3% ·
net new positions -8.3%
— formula
Concentrated accumulation — rising shares among fewer 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 | 159 | +2 | 128.38M | $22.12B | +9 | −6 |
| Q1 2026 | 159 | -4 | 128.47M | $23.72B | +4 | −9 |
| Q4 2025 | 162 | 0 | 141.61M | $23.73B | +1 | — |
| Q3 2025 | 20 | +1 | 74.76M | $12.76B | +1 | −1 |
| Q2 2025 | 17 | 0 | 71.66M | $11.04B | — | — |
| Q1 2025 | 14 | 0 | 37.80M | $5.84B | — | — |
| Q4 2024 | 14 | +1 | 39.49M | $5.50B | +1 | — |
| Q3 2024 | 12 | -1 | 29.18M | $4.05B | — | −1 |
| Q2 2024 | 13 | — | 23.28M | $2.71B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Wellington Management ✦ | 13.75M | +10.8% | $1.91B | 0.3% | ▲ Add | 2 | SEC ↗ |
| 2 | Wellington Management ✦ | 13.75M | +10.8% | $1.91B | 0.3% | ▲ Add | 2 | SEC ↗ |
| 3 | Wellington Management ✦ | 13.75M | +10.8% | $1.91B | 0.3% | ▲ Add | 2 | SEC ↗ |
| 4 | Wellington Management ✦ | 13.75M | +10.8% | $1.91B | 0.3% | ▲ Add | 2 | SEC ↗ |
| 5 | Wellington Management ✦ | 13.75M | +10.8% | $1.91B | 0.3% | ▲ Add | 2 | SEC ↗ |
| 6 | Wellington Management ✦ | 13.75M | +10.8% | $1.91B | 0.3% | ▲ Add | 2 | SEC ↗ |
| 7 | Wellington Management ✦ | 13.75M | +10.8% | $1.91B | 0.3% | ▲ Add | 2 | SEC ↗ |
| 8 | Wellington Management ✦ | 13.75M | +10.8% | $1.91B | 0.3% | ▲ Add | 2 | SEC ↗ |
| 9 | Wellington Management ✦ | 13.75M | +10.8% | $1.91B | 0.3% | ▲ Add | 2 | SEC ↗ |
| 10 | T. Rowe Price ✦ | 8.74M | +116.4% | $1.21B | 0.1% | ▲ Add | 2 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 8.74M | +116.4% | $1.21B | 0.1% | ▲ Add | 2 | SEC ↗ |
| 12 | Geode Capital Management ✦ (passive) | 3.70M | -0.7% | $511.34M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | Geode Capital Management ✦ (passive) | 3.70M | -0.7% | $511.34M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | Norges Bank ✦ (passive) | 1.13M | -20.4% | $156.35M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | Adage Capital Partners ✦ | 546.30K | +38.4% | $75.78M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 473.95K | +6.7% | $65.25M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 473.95K | +6.7% | $65.25M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 473.95K | +6.7% | $65.25M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 19 | Citadel Advisors ✦ | 373.16K | +65.3% | $51.76M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 20 | Citadel Advisors ✦ | 373.16K | +65.3% | $51.76M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 21 | Millennium Management ✦ | 224.66K | -6.5% | $31.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | D. E. Shaw & Co. ✦ | 166.69K | +18.7% | $23.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | Renaissance Technologies ✦ | 49.60K | -77.3% | $6.88M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 24 | Marshall Wace ✦ | 29.71K | +27.8% | $4.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | Marshall Wace ✦ | 29.71K | +27.8% | $4.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | Gotham Asset Management ✦ | 3.68K | +40.2% | $510,037 | 0.0% | ▲ Add | 2 | 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
| Two Sigma Investments | $962,246 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,008 holders, 159.15M shares, $28.36B 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 · 300 sh @ 167.59 · $50,278
Open-market sales (S)
No open-market insider sales in our coverage window.
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology