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Sienna Gestion’s Atmos Energy ATO Stock Holding History

Sienna Gestion’s Portfolio ATO Stock Details ATO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$23.7M Buy
127,012
+70,512
+125% +$12.5M 1.54% 9
2025
Q4 		$9.48M Sell
56,500
-11,717
-17% -$2.03M 0.56% 58
2025
Q3 		$10.6M Hold
68,217
– – 0.74% 35
2025
Q2 		$9.6M Buy
68,217
+5,618
+9% +$873K 0.66% 47
2025
Q1 		$9.41M Sell
62,599
-3,321
-5% -$484K 0.76% 39
2024
Q4 		$9.18M Hold
65,920
– – 0.62% 48
2024
Q3 		$9.12M Buy
65,920
+20,148
+44% +$2.59M 0.61% 60
2024
Q2 		$5.34M Hold
45,772
– – 0.47% 84
2024
Q1 		$5.44M Buy
+45,772
New +$5.25M 0.47% 84

Other funds holding ATO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Aristotle Capital Management
Aristotle Capital Management Los Angeles, California $47.8B AUM 13.38% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Sienna Gestion's ATO Position: Q1 2026 in Review

Sienna Gestion increased its Atmos Energy (ATO) stake by 125% in Q1 2026, buying an estimated $12.5M and bringing the position to 127,012 shares worth $23.7M. The position accounts for 1.54% of the portfolio, ranked #9.

Sienna Gestion first reported a position in ATO in Q1 2024 and has held it in 9 quarters since. 1,012 funds tracked by Wall St. Rank hold ATO as of Q1 2026.

  • Sienna Gestion held 127,012 shares of Atmos Energy worth $23.7M as of Q1 2026.
  • Sienna Gestion bought 70,512 Atmos Energy shares in Q1 2026, an estimated $12.5M.
  • Atmos Energy made up 1.54% of Sienna Gestion's portfolio in Q1 2026, its #9 holding.
  • Sienna Gestion first reported a position in Atmos Energy in Q1 2024 and has held it in 9 quarters since.
  • 1,012 funds tracked by Wall St. Rank held Atmos Energy as of Q1 2026.

Based on Sienna Gestion's 13F filing for Q1 2026, filed 15 May 2026.