ATMOS ENERGY CORP

Ticker: ATO CUSIP: 049560105 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 477,492 Value ($000) $80,042 Avg Close $172.31 Range $165.37 - $179.62

Q3 2025

Shares 476,592 Value ($000) $81,378 Avg Close $160.05 Range $148.35 - $170.22

Q2 2025

Shares 189,838 Value ($000) $29,256 Avg Close $153.12 Range $139.28 - $164.72

Q1 2025

Shares 474,380 Value ($000) $73,330 Avg Close $143.02 Range $133.16 - $152.73

Q4 2024

Shares 480,223 Value ($000) $66,881 Avg Close $138.63 Range $132.87 - $149.29

Q3 2024

Shares 435,201 Value ($000) $60,367 Avg Close $124.46 Range $109.64 - $135.08

Q2 2024

Shares 395,610 Value ($000) $46,148 Avg Close $112.11 Range $106.47 - $116.56

Q1 2024

Shares 276,397 Value ($000) $32,855 Avg Close $109.59 Range $105.24 - $114.22

Q4 2023

Shares 262,580 Value ($000) $30,433 Avg Close $106.01 Range $95.54 - $112.68

Q3 2023

Shares 250,243 Value ($000) $26,508 Avg Close $110.00 Range $99.68 - $117.75

Q2 2023

Shares 263,471 Value ($000) $30,652 Avg Close $108.41 Range $103.17 - $111.81

Q1 2023

Shares 264,226 Value ($000) $29,688 Avg Close $105.88 Range $98.79 - $112.70

Q4 2022

Shares 263,597 Value ($000) $29,541 Avg Close $101.69 Range $90.11 - $112.36

Q3 2022

Shares 251,627 Value ($000) $25,628 Avg Close $105.33 Range $93.67 - $111.79

Q2 2022

Shares 248,442 Value ($000) $27,850 Avg Close $104.70 Range $93.56 - $112.06

Q1 2022

Shares 248,268 Value ($000) $29,666 Avg Close $99.21 Range $90.38 - $110.22

Q4 2021

Shares 253,873 Value ($000) $26,598 Avg Close $85.46 Range $78.93 - $95.35

Q3 2021

Shares 247,121 Value ($000) $21,796 Avg Close $86.62 Range $77.13 - $91.37

Q2 2021

Shares 248,805 Value ($000) $23,913 Avg Close $89.25 Range $85.46 - $93.19

Q1 2021

Shares 283,756 Value ($000) $28,049 Avg Close $80.51 Range $75.08 - $88.10

Q4 2020

Shares 260,119 Value ($000) $24,823 Avg Close $84.69 Range $79.43 - $90.82

Q3 2020

Shares 251,792 Value ($000) $24,069 Avg Close $87.17 Range $79.28 - $93.24

Q2 2020

Shares 247,015 Value ($000) $24,598 Avg Close $87.57 Range $79.06 - $96.43

Q1 2020

Shares 266,698 Value ($000) $26,464 Avg Close $94.97 Range $67.49 - $104.36

Q4 2019

Shares 246,239 Value ($000) $27,544 Avg Close $94.23 Range $90.61 - $97.90

Q3 2019

Shares 259,663 Value ($000) $29,573 Avg Close $93.46 Range $88.89 - $98.75

Q2 2019

Shares 256,627 Value ($000) $27,090 Avg Close $87.10 Range $83.76 - $92.55

Q1 2019

Shares 246,121 Value ($000) $25,333 Avg Close $82.49 Range $75.32 - $88.35

Q4 2018

Shares 240,349 Value ($000) $22,285 Avg Close $80.45 Range $74.21 - $84.63

Q3 2018

Shares 224,974 Value ($000) $21,127 Avg Close $77.27 Range $74.53 - $79.98

Q2 2018

Shares 224,577 Value ($000) $20,243 Avg Close $72.10 Range $68.34 - $76.14

Q1 2018

Shares 219,233 Value ($000) $18,468 Avg Close $67.40 Range $63.14 - $71.11

Q4 2017

Shares 215,294 Value ($000) $18,492 Avg Close $72.39 Range $68.66 - $77.26

Q3 2017

Shares 213,728 Value ($000) $17,919 Avg Close $70.65 Range $67.11 - $73.09

Q2 2017

Shares 228,987 Value ($000) $18,994 Avg Close $66.84 Range $63.72 - $70.25

Q1 2017

Shares 207,290 Value ($000) $16,374 Avg Close $62.15 Range $58.60 - $65.46

Q4 2016

Shares 216,390 Value ($000) $16,045 Avg Close $58.13 Range $55.00 - $60.79

Q3 2016

Shares 222,090 Value ($000) $16,539 Avg Close $61.59 Range $57.49 - $65.43

Q2 2016

Shares 220,190 Value ($000) $17,906 Avg Close $59.01 Range $55.88 - $64.94

Q1 2016

Shares 220,768 Value ($000) $16,394 Avg Close $54.32 Range $47.33 - $59.20

Q4 2015

Shares 193,205 Value ($000) $12,180 Avg Close $48.30 Range $44.95 - $51.11

Q3 2015

Shares 190,186 Value ($000) $11,065 Avg Close $42.88 Range $39.71 - $45.70

Q2 2015

Shares 184,498 Value ($000) $9,461 Avg Close $41.53 Range $39.55 - $43.78

Q1 2015

Shares 189,369 Value ($000) $10,472 Avg Close $42.34 Range $39.60 - $45.52

Q4 2014

Shares 192,610 Value ($000) $10,736 Avg Close $40.22 Range $35.95 - $44.62

Q3 2014

Shares 190,793 Value ($000) $9,101 Avg Close $37.83 Range $35.35 - $40.41

Q2 2014

Shares 182,934 Value ($000) $9,769 Avg Close $38.03 Range $34.82 - $40.36

Q1 2014

Shares 180,034 Value ($000) $8,485 Avg Close $34.39 Range $32.86 - $35.99

Q4 2013

Shares 163,934 Value ($000) $7,446 Avg Close $32.69 Range $30.16 - $35.01

Q3 2013

Shares 162,834 Value ($000) $6,935 Avg Close $31.01 Range $28.94 - $33.33

Q2 2013

Shares 157,789 Value ($000) $6,479 Avg Close $31.05 Range $27.80 - $33.01

Q1 2013

Shares 156,490 Value ($000) $6,681 Avg Close $27.73 Range $25.08 - $31.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	477,492	$80,042	$172.31	$165.37 - $179.62
Q3 2025	476,592	$81,378	$160.05	$148.35 - $170.22
Q2 2025	189,838	$29,256	$153.12	$139.28 - $164.72
Q1 2025	474,380	$73,330	$143.02	$133.16 - $152.73
Q4 2024	480,223	$66,881	$138.63	$132.87 - $149.29
Q3 2024	435,201	$60,367	$124.46	$109.64 - $135.08
Q2 2024	395,610	$46,148	$112.11	$106.47 - $116.56
Q1 2024	276,397	$32,855	$109.59	$105.24 - $114.22
Q4 2023	262,580	$30,433	$106.01	$95.54 - $112.68
Q3 2023	250,243	$26,508	$110.00	$99.68 - $117.75
Q2 2023	263,471	$30,652	$108.41	$103.17 - $111.81
Q1 2023	264,226	$29,688	$105.88	$98.79 - $112.70
Q4 2022	263,597	$29,541	$101.69	$90.11 - $112.36
Q3 2022	251,627	$25,628	$105.33	$93.67 - $111.79
Q2 2022	248,442	$27,850	$104.70	$93.56 - $112.06
Q1 2022	248,268	$29,666	$99.21	$90.38 - $110.22
Q4 2021	253,873	$26,598	$85.46	$78.93 - $95.35
Q3 2021	247,121	$21,796	$86.62	$77.13 - $91.37
Q2 2021	248,805	$23,913	$89.25	$85.46 - $93.19
Q1 2021	283,756	$28,049	$80.51	$75.08 - $88.10
Q4 2020	260,119	$24,823	$84.69	$79.43 - $90.82
Q3 2020	251,792	$24,069	$87.17	$79.28 - $93.24
Q2 2020	247,015	$24,598	$87.57	$79.06 - $96.43
Q1 2020	266,698	$26,464	$94.97	$67.49 - $104.36
Q4 2019	246,239	$27,544	$94.23	$90.61 - $97.90
Q3 2019	259,663	$29,573	$93.46	$88.89 - $98.75
Q2 2019	256,627	$27,090	$87.10	$83.76 - $92.55
Q1 2019	246,121	$25,333	$82.49	$75.32 - $88.35
Q4 2018	240,349	$22,285	$80.45	$74.21 - $84.63
Q3 2018	224,974	$21,127	$77.27	$74.53 - $79.98
Q2 2018	224,577	$20,243	$72.10	$68.34 - $76.14
Q1 2018	219,233	$18,468	$67.40	$63.14 - $71.11
Q4 2017	215,294	$18,492	$72.39	$68.66 - $77.26
Q3 2017	213,728	$17,919	$70.65	$67.11 - $73.09
Q2 2017	228,987	$18,994	$66.84	$63.72 - $70.25
Q1 2017	207,290	$16,374	$62.15	$58.60 - $65.46
Q4 2016	216,390	$16,045	$58.13	$55.00 - $60.79
Q3 2016	222,090	$16,539	$61.59	$57.49 - $65.43
Q2 2016	220,190	$17,906	$59.01	$55.88 - $64.94
Q1 2016	220,768	$16,394	$54.32	$47.33 - $59.20
Q4 2015	193,205	$12,180	$48.30	$44.95 - $51.11
Q3 2015	190,186	$11,065	$42.88	$39.71 - $45.70
Q2 2015	184,498	$9,461	$41.53	$39.55 - $43.78
Q1 2015	189,369	$10,472	$42.34	$39.60 - $45.52
Q4 2014	192,610	$10,736	$40.22	$35.95 - $44.62
Q3 2014	190,793	$9,101	$37.83	$35.35 - $40.41
Q2 2014	182,934	$9,769	$38.03	$34.82 - $40.36
Q1 2014	180,034	$8,485	$34.39	$32.86 - $35.99
Q4 2013	163,934	$7,446	$32.69	$30.16 - $35.01
Q3 2013	162,834	$6,935	$31.01	$28.94 - $33.33
Q2 2013	157,789	$6,479	$31.05	$27.80 - $33.01
Q1 2013	156,490	$6,681	$27.73	$25.08 - $31.01