California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Atmos Energy ATO Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$87.5M Sell
473,753
-3,739
-0.8% -$661K 0.09% 186
2025
Q4 		$80M Buy
477,492
+900
+0.2% +$156K 0.08% 203
2025
Q3 		$81.4M Buy
476,592
+286,754
+151% +$46.3M 0.08% 200
2025
Q2 		$29.3M Sell
189,838
-284,542
-60% -$44.2M 0.03% 417
2025
Q1 		$73.3M Sell
474,380
-5,843
-1% -$852K 0.09% 202
2024
Q4 		$66.9M Buy
480,223
+45,022
+10% +$6.4M 0.08% 231
2024
Q3 		$60.4M Buy
435,201
+39,591
+10% +$5.09M 0.07% 263
2024
Q2 		$46.1M Buy
395,610
+119,213
+43% +$13.9M 0.06% 298
2024
Q1 		$32.9M Buy
276,397
+13,817
+5% +$1.58M 0.04% 371
2023
Q4 		$30.4M Buy
262,580
+12,337
+5% +$1.38M 0.04% 366
2023
Q3 		$26.5M Sell
250,243
-13,228
-5% -$1.54M 0.04% 374
2023
Q2 		$30.7M Sell
263,471
-755
-0.3% -$87.4K 0.04% 367
2023
Q1 		$29.7M Buy
264,226
+629
+0.2% +$71.5K 0.04% 367
2022
Q4 		$29.5M Buy
263,597
+11,970
+5% +$1.32M 0.05% 368
2022
Q3 		$25.6M Buy
251,627
+3,185
+1% +$365K 0.04% 381
2022
Q2 		$27.9M Buy
248,442
+174
+0.1% +$19.9K 0.04% 378
2022
Q1 		$29.7M Sell
248,268
-5,605
-2% -$612K 0.04% 416
2021
Q4 		$26.6M Buy
253,873
+6,752
+3% +$640K 0.03% 478
2021
Q3 		$21.8M Sell
247,121
-1,684
-0.7% -$163K 0.03% 522
2021
Q2 		$23.9M Sell
248,805
-34,951
-12% -$3.5M 0.03% 501
2021
Q1 		$28M Buy
283,756
+23,637
+9% +$2.15M 0.04% 439
2020
Q4 		$24.8M Buy
260,119
+8,327
+3% +$803K 0.03% 459
2020
Q3 		$24.1M Buy
251,792
+4,777
+2% +$477K 0.04% 402
2020
Q2 		$24.6M Sell
247,015
-19,683
-7% -$1.99M 0.04% 359
2020
Q1 		$26.5M Buy
266,698
+20,459
+8% +$2.25M 0.06% 291
2019
Q4 		$27.5M Sell
246,239
-13,424
-5% -$1.47M 0.05% 341
2019
Q3 		$29.6M Buy
259,663
+3,036
+1% +$332K 0.06% 304
2019
Q2 		$27.1M Buy
256,627
+10,506
+4% +$1.08M 0.05% 325
2019
Q1 		$25.3M Buy
246,121
+5,772
+2% +$563K 0.05% 333
2018
Q4 		$22.3M Buy
240,349
+15,375
+7% +$1.47M 0.05% 339
2018
Q3 		$21.1M Buy
224,974
+397
+0.2% +$36.6K 0.04% 410
2018
Q2 		$20.2M Buy
224,577
+5,344
+2% +$463K 0.04% 404
2018
Q1 		$18.5M Buy
219,233
+3,939
+2% +$321K 0.04% 424
2017
Q4 		$18.5M Buy
215,294
+1,566
+0.7% +$138K 0.04% 440
2017
Q3 		$17.9M Sell
213,728
-15,259
-7% -$1.32M 0.04% 425
2017
Q2 		$19M Buy
228,987
+21,697
+10% +$1.78M 0.04% 422
2017
Q1 		$16.4M Sell
207,290
-9,100
-4% -$698K 0.03% 507
2016
Q4 		$16M Sell
216,390
-5,700
-3% -$412K 0.03% 513
2016
Q3 		$16.5M Buy
222,090
+1,900
+0.9% +$146K 0.03% 486
2016
Q2 		$17.9M Sell
220,190
-578
-0.3% -$42.9K 0.04% 447
2016
Q1 		$16.4M Buy
220,768
+27,563
+14% +$1.89M 0.04% 486
2015
Q4 		$12.2M Buy
193,205
+3,019
+2% +$186K 0.03% 550
2015
Q3 		$11.1M Buy
190,186
+5,688
+3% +$312K 0.03% 570
2015
Q2 		$9.46M Sell
184,498
-4,871
-3% -$261K 0.02% 662
2015
Q1 		$10.5M Sell
189,369
-3,241
-2% -$178K 0.02% 634
2014
Q4 		$10.7M Buy
192,610
+1,817
+1% +$95.7K 0.03% 617
2014
Q3 		$9.1M Buy
190,793
+7,859
+4% +$392K 0.02% 679
2014
Q2 		$9.77M Buy
182,934
+2,900
+2% +$147K 0.02% 651
2014
Q1 		$8.48M Buy
180,034
+16,100
+10% +$741K 0.02% 682
2013
Q4 		$7.45M Buy
163,934
+1,100
+0.7% +$48.6K 0.02% 734
2013
Q3 		$6.93M Buy
162,834
+5,045
+3% +$213K 0.02% 733
2013
Q2 		$6.48M Buy
+157,789
New +$6.72M 0.02% 714

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

California State Teachers Retirement System (CalSTRS)'s ATO Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Atmos Energy (ATO) stake by 0.78% in Q1 2026, selling an estimated $661K and leaving 473,753 shares worth $87.5M. The position accounts for 0.09% of the portfolio, ranked #186.

California State Teachers Retirement System (CalSTRS) first reported a position in ATO in Q2 2013 and has held it in 52 quarters since. 1,012 funds tracked by Wall St. Rank hold ATO as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 473,753 shares of Atmos Energy worth $87.5M as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 3,739 Atmos Energy shares in Q1 2026, an estimated $661K.
  • Atmos Energy made up 0.09% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #186 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Atmos Energy in Q2 2013 and has held it in 52 quarters since.
  • 1,012 funds tracked by Wall St. Rank held Atmos Energy as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.