ATO
Atmos Energy Corporation · Utilities · Regulated Gas
Momentum inputs (comparable managers):
holder breadth +7.7% ·
share flow -0.8% ·
net new positions +7.1%
— 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 | 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 ✦ | 13.13M | -4.5% | $1.83B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 2 | Wellington Management ✦ | 13.13M | -4.5% | $1.83B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 3 | Wellington Management ✦ | 13.13M | -4.5% | $1.83B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 4 | Wellington Management ✦ | 13.13M | -4.5% | $1.83B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 5 | Wellington Management ✦ | 13.13M | -4.5% | $1.83B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 6 | Wellington Management ✦ | 13.13M | -4.5% | $1.83B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 7 | Wellington Management ✦ | 13.13M | -4.5% | $1.83B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 8 | Wellington Management ✦ | 13.13M | -4.5% | $1.83B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 9 | Wellington Management ✦ | 13.13M | -4.5% | $1.83B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 10 | State Street Global Advisors ✦ (passive) | 10.63M | — | $1.48B | 0.1% | n/c | 1 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 8.55M | -2.2% | $1.19B | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 12 | T. Rowe Price ✦ | 8.55M | -2.2% | $1.19B | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 13 | Geode Capital Management ✦ (passive) | 3.81M | +2.9% | $528.76M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Geode Capital Management ✦ (passive) | 3.81M | +2.9% | $528.76M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Norges Bank ✦ (passive) | 1.48M | +31.6% | $206.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | Citadel Advisors ✦ | 728.19K | +95.1% | $101.41M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 17 | Citadel Advisors ✦ | 728.19K | +95.1% | $101.41M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 18 | Adage Capital Partners ✦ | 470.00K | -14.0% | $65.46M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 330.39K | -30.3% | $46.01M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 330.39K | -30.3% | $46.01M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 330.39K | -30.3% | $46.01M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 22 | D. E. Shaw & Co. ✦ | 168.19K | +0.9% | $23.42M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | D. E. Shaw & Co. ✦ | 168.19K | +0.9% | $23.42M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 24 | Two Sigma Investments ✦ | 71.59K | New | $9.97M | 0.0% | New | 1 | SEC ↗ |
| 25 | Marshall Wace ✦ | 66.39K | +123.5% | $9.25M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 26 | Marshall Wace ✦ | 66.39K | +123.5% | $9.25M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | Millennium Management ✦ | 42.04K | -81.3% | $5.86M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | Renaissance Technologies ✦ | 17.30K | -65.1% | $2.41M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | Gotham Asset Management ✦ | 3.41K | -7.4% | $474,354 | 0.0% | ▼ Trim | 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 | $9.97M | 0.0% |
Exited
| No tracked exits this quarter. |
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