Simplex Trading
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Simplex Trading’s Atmos Energy ATO Stock Holding History

Simplex Trading’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
Q2 		$262K Buy
+1,521
New +$272K ﹤0.01% 4384
2026
Q1 		– Sell
-624
Closed -$110K – 9021
2025
Q4 		$105K Buy
+624
New +$108K ﹤0.01% 4949
2025
Q3 		– Sell
-2,590
Closed -$418K – 9017
2025
Q2 		$399K Sell
2,590
-3,725
-59% -$579K ﹤0.01% 3753
2025
Q1 		$976K Buy
6,315
+5,618
+806% +$820K ﹤0.01% 2731
2024
Q4 		$97K Buy
+697
New +$99.1K ﹤0.01% 5193
2024
Q2 		– Sell
-776
Closed -$90.4K – 8732
2024
Q1 		$92K Buy
776
+594
+326% +$68.1K ﹤0.01% 5670
2023
Q4 		$21K Buy
+182
New +$20.3K ﹤0.01% 6870
2021
Q2 		– Sell
-8,882
Closed -$891K – 10001
2021
Q1 		$877K Buy
+8,882
New +$808K ﹤0.01% 2571
2020
Q4 		– Sell
-1,008
Closed -$97.2K – 8303
2020
Q3 		$96K Buy
+1,008
New +$101K ﹤0.01% 4944
2020
Q2 		– Sell
-158
Closed -$15.9K – 7561
2020
Q1 		$15K Buy
+158
New +$17.4K ﹤0.01% 6162
2019
Q1 		– Sell
-82
Closed -$7.99K – 7102
2018
Q4 		$7K Buy
+82
New +$7.84K ﹤0.01% 6032
2018
Q1 		– Sell
-551
Closed -$44.9K – 6094
2017
Q4 		$47K Buy
551
+373
+210% +$32.8K ﹤0.01% 2499
2017
Q3 		$14K Buy
+178
New +$15.4K ﹤0.01% 3459
2017
Q1 		– Sell
-96
Closed -$7.37K – 6108
2016
Q4 		$7K Buy
+96
New +$6.93K ﹤0.01% 4018
2016
Q2 		– Sell
-982
Closed -$72.8K – 5782
2016
Q1 		$72K Buy
982
+126
+15% +$8.65K 0.01% 1627
2015
Q4 		$53K Buy
+856
New +$52.6K ﹤0.01% 1861
2015
Q1 		– Sell
-2,484
Closed -$138K – 4929
2014
Q4 		$138K Buy
+2,484
New +$131K 0.02% 763

Other funds holding ATO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Simplex Trading's ATO Position: Q2 2026 in Review

Simplex Trading opened a new position in Atmos Energy (ATO) in Q2 2026: 1,521 shares worth $262K. The stake represents ﹤0.01% of the portfolio and ranks #4384 among its holdings. This is a return to the name: Simplex Trading previously reported a position in ATO as recently as Q4 2025.

Simplex Trading first reported a position in ATO in Q4 2014 and has held it in 17 quarters since. The position peaked at $976K in Q1 2025. 1,042 funds tracked by Wall St. Rank hold ATO as of Q2 2026.

  • Simplex Trading held 1,521 shares of Atmos Energy worth $262K as of Q2 2026.
  • Atmos Energy was a new Simplex Trading position in Q2 2026.
  • Atmos Energy made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #4384 holding.
  • Simplex Trading first reported a position in Atmos Energy in Q4 2014 and has held it in 17 quarters since.
  • Simplex Trading's Atmos Energy position peaked at $976K in Q1 2025.
  • 1,042 funds tracked by Wall St. Rank held Atmos Energy as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.