Sienna Gestion
- SEC CIK
- 0002021242
- Latest filing
- Aug 13, 2026
ATO holding history
Atmos Energy Corp in every 13F filed by Sienna Gestion, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
ATO overviewAll 13F holders of ATOFull Q2 2026 holdings
- Shares (Q2 2026)
- 117,688
- Value
- $20.8M
- % of portfolio
- 1.2%
- Quarters held
- 10
- Since Q1 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 117,688 | $20.8M | 1.2% | −9,324−7.3% | Reduced | Holders |
| Q1 2026 | 127,012 | $23.7M | 1.6% | +70,512+124.8% | Added | Holders |
| Q4 2025 | 56,500 | $9.48M | 0.6% | −11,717−17.2% | Reduced | Holders |
| Q3 2025 | 68,217 | $10.6M | 0.7% | 00.0% | Unchanged | Holders |
| Q2 2025 | 68,217 | $9.60M | 0.7% | +5,618+9.0% | Added | Holders |
| Q1 2025 | 62,599 | $9.41M | 0.8% | −3,321−5.0% | Reduced | Holders |
| Q4 2024 | 65,920 | $9.18M | 0.6% | 00.0% | Unchanged | Holders |
| Q3 2024 | 65,920 | $9.12M | 0.6% | +20,148+44.0% | Added | Holders |
| Q2 2024 | 45,772 | $5.34M | 0.5% | 00.0% | Unchanged | Holders |
| Q1 2024 | 45,772 | $5.44M | 0.5% | – | No prior filing | Holders |