DIAMONDBACK ENERGY INC

Ticker: FANG CUSIP: 25278X109 Class: Com

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

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

Q4 2025

Shares 224,129 Value ($000) $33,693 Avg Close $147.05 Range $136.09 - $164.44

Q3 2025

Shares 228,986 Value ($000) $32,768 Avg Close $140.85 Range $132.78 - $150.92

Q2 2025

Shares 228,719 Value ($000) $31,426 Avg Close $136.16 Range $111.64 - $158.42

Q1 2025

Shares 227,652 Value ($000) $36,397 Avg Close $157.12 Range $134.25 - $175.92

Q4 2024

Shares 227,033 Value ($000) $37,195 Avg Close $170.91 Range $147.80 - $193.97

Q3 2024

Shares 235,806 Value ($000) $40,653 Avg Close $185.12 Range $162.40 - $205.08

Q2 2024

Shares 223,574 Value ($000) $44,757 Avg Close $188.88 Range $176.97 - $200.66

Q1 2024

Shares 228,647 Value ($000) $45,311 Avg Close $158.99 Range $137.71 - $187.95

Q4 2023

Shares 237,979 Value ($000) $36,906 Avg Close $144.29 Range $130.38 - $156.18

Q3 2023

Shares 249,313 Value ($000) $38,614 Avg Close $134.18 Range $113.92 - $144.78

Q2 2023

Shares 268,705 Value ($000) $35,297 Avg Close $120.96 Range $111.82 - $133.71

Q1 2023

Shares 268,053 Value ($000) $36,233 Avg Close $123.77 Range $107.16 - $134.77

Q4 2022

Shares 271,687 Value ($000) $37,161 Avg Close $127.99 Range $109.31 - $147.01

Q3 2022

Shares 267,916 Value ($000) $32,273 Avg Close $107.46 Range $88.17 - $123.36

Q2 2022

Shares 273,579 Value ($000) $33,144 Avg Close $115.34 Range $99.43 - $137.94

Q1 2022

Shares 278,798 Value ($000) $38,218 Avg Close $107.62 Range $88.90 - $122.87

Q4 2021

Shares 299,097 Value ($000) $32,258 Avg Close $89.41 Range $78.03 - $96.88

Q3 2021

Shares 297,987 Value ($000) $28,210 Avg Close $65.95 Range $54.26 - $83.90

Q2 2021

Shares 311,600 Value ($000) $29,256 Avg Close $67.28 Range $58.90 - $79.08

Q1 2021

Shares 295,504 Value ($000) $21,717 Avg Close $55.57 Range $38.50 - $72.26

Q4 2020

Shares 274,418 Value ($000) $13,282 Avg Close $29.82 Range $18.91 - $41.72

Q3 2020

Shares 282,507 Value ($000) $8,509 Avg Close $30.37 Range $23.08 - $37.25

Q2 2020

Shares 297,172 Value ($000) $12,428 Avg Close $32.27 Range $18.63 - $47.52

Q1 2020

Shares 267,893 Value ($000) $7,019 Avg Close $49.28 Range $11.44 - $75.74

Q4 2019

Shares 254,466 Value ($000) $23,630 Avg Close $64.81 Range $57.18 - $72.77

Q3 2019

Shares 262,659 Value ($000) $23,616 Avg Close $77.41 Range $67.44 - $87.01

Q2 2019

Shares 261,441 Value ($000) $28,489 Avg Close $81.14 Range $73.48 - $88.64

Q1 2019

Shares 273,200 Value ($000) $27,738 Avg Close $79.50 Range $69.70 - $84.50

Q4 2018

Shares 277,154 Value ($000) $25,692 Avg Close $86.64 Range $66.08 - $109.08

Q3 2018

Shares 175,337 Value ($000) $23,704 Avg Close $98.81 Range $86.24 - $107.01

Q2 2018

Shares 175,335 Value ($000) $23,069 Avg Close $95.97 Range $83.42 - $106.92

Q1 2018

Shares 184,586 Value ($000) $23,354 Avg Close $97.43 Range $81.71 - $104.08

Q4 2017

Shares 189,876 Value ($000) $23,972 Avg Close $83.84 Range $74.00 - $98.56

Q3 2017

Shares 193,422 Value ($000) $18,948 Avg Close $71.15 Range $64.00 - $76.06

Q2 2017

Shares 210,064 Value ($000) $18,655 Avg Close $75.06 Range $64.35 - $83.65

Q1 2017

Shares 183,272 Value ($000) $19,008 Avg Close $79.82 Range $74.27 - $88.15

Q4 2016

Shares 165,772 Value ($000) $16,753 Avg Close $77.21 Range $68.62 - $87.56

Q3 2016

Shares 169,972 Value ($000) $16,409 Avg Close $71.21 Range $64.88 - $77.09

Q2 2016

Shares 154,872 Value ($000) $14,126 Avg Close $66.84 Range $56.54 - $74.24

Q1 2016

Shares 156,076 Value ($000) $12,046 Avg Close $54.55 Range $42.90 - $61.76

Q4 2015

Shares 127,213 Value ($000) $8,511 Avg Close $57.52 Range $47.56 - $63.56

Q3 2015

Shares 125,257 Value ($000) $8,092 Avg Close $52.53 Range $46.61 - $59.82

Q2 2015

Shares 115,078 Value ($000) $8,675 Avg Close $61.45 Range $56.73 - $66.36

Q1 2015

Shares 80,905 Value ($000) $6,217 Avg Close $53.65 Range $42.94 - $60.90

Q4 2014

Shares 77,905 Value ($000) $4,657 Avg Close $49.19 Range $39.97 - $59.50

Q3 2014

Shares 77,374 Value ($000) $5,786 Avg Close $62.67 Range $54.64 - $69.97

Q2 2014

Shares 69,475 Value ($000) $6,169 Avg Close $58.84 Range $49.53 - $72.17

Q1 2014

Shares 38,575 Value ($000) $2,596 Avg Close $44.48 Range $34.04 - $54.90

Q4 2013

Shares 35,375 Value ($000) $1,870 Avg Close $38.43 Range $32.62 - $45.40

Q3 2013

Shares 34,875 Value ($000) $1,487 Avg Close $31.43 Range $25.84 - $36.51

Q2 2013

Shares 31,075 Value ($000) $1,035 Avg Close $23.41 Range $18.43 - $27.77

Q1 2013

Shares 25,000 Value ($000) $671 Avg Close $17.38 Range $14.38 - $21.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	224,129	$33,693	$147.05	$136.09 - $164.44
Q3 2025	228,986	$32,768	$140.85	$132.78 - $150.92
Q2 2025	228,719	$31,426	$136.16	$111.64 - $158.42
Q1 2025	227,652	$36,397	$157.12	$134.25 - $175.92
Q4 2024	227,033	$37,195	$170.91	$147.80 - $193.97
Q3 2024	235,806	$40,653	$185.12	$162.40 - $205.08
Q2 2024	223,574	$44,757	$188.88	$176.97 - $200.66
Q1 2024	228,647	$45,311	$158.99	$137.71 - $187.95
Q4 2023	237,979	$36,906	$144.29	$130.38 - $156.18
Q3 2023	249,313	$38,614	$134.18	$113.92 - $144.78
Q2 2023	268,705	$35,297	$120.96	$111.82 - $133.71
Q1 2023	268,053	$36,233	$123.77	$107.16 - $134.77
Q4 2022	271,687	$37,161	$127.99	$109.31 - $147.01
Q3 2022	267,916	$32,273	$107.46	$88.17 - $123.36
Q2 2022	273,579	$33,144	$115.34	$99.43 - $137.94
Q1 2022	278,798	$38,218	$107.62	$88.90 - $122.87
Q4 2021	299,097	$32,258	$89.41	$78.03 - $96.88
Q3 2021	297,987	$28,210	$65.95	$54.26 - $83.90
Q2 2021	311,600	$29,256	$67.28	$58.90 - $79.08
Q1 2021	295,504	$21,717	$55.57	$38.50 - $72.26
Q4 2020	274,418	$13,282	$29.82	$18.91 - $41.72
Q3 2020	282,507	$8,509	$30.37	$23.08 - $37.25
Q2 2020	297,172	$12,428	$32.27	$18.63 - $47.52
Q1 2020	267,893	$7,019	$49.28	$11.44 - $75.74
Q4 2019	254,466	$23,630	$64.81	$57.18 - $72.77
Q3 2019	262,659	$23,616	$77.41	$67.44 - $87.01
Q2 2019	261,441	$28,489	$81.14	$73.48 - $88.64
Q1 2019	273,200	$27,738	$79.50	$69.70 - $84.50
Q4 2018	277,154	$25,692	$86.64	$66.08 - $109.08
Q3 2018	175,337	$23,704	$98.81	$86.24 - $107.01
Q2 2018	175,335	$23,069	$95.97	$83.42 - $106.92
Q1 2018	184,586	$23,354	$97.43	$81.71 - $104.08
Q4 2017	189,876	$23,972	$83.84	$74.00 - $98.56
Q3 2017	193,422	$18,948	$71.15	$64.00 - $76.06
Q2 2017	210,064	$18,655	$75.06	$64.35 - $83.65
Q1 2017	183,272	$19,008	$79.82	$74.27 - $88.15
Q4 2016	165,772	$16,753	$77.21	$68.62 - $87.56
Q3 2016	169,972	$16,409	$71.21	$64.88 - $77.09
Q2 2016	154,872	$14,126	$66.84	$56.54 - $74.24
Q1 2016	156,076	$12,046	$54.55	$42.90 - $61.76
Q4 2015	127,213	$8,511	$57.52	$47.56 - $63.56
Q3 2015	125,257	$8,092	$52.53	$46.61 - $59.82
Q2 2015	115,078	$8,675	$61.45	$56.73 - $66.36
Q1 2015	80,905	$6,217	$53.65	$42.94 - $60.90
Q4 2014	77,905	$4,657	$49.19	$39.97 - $59.50
Q3 2014	77,374	$5,786	$62.67	$54.64 - $69.97
Q2 2014	69,475	$6,169	$58.84	$49.53 - $72.17
Q1 2014	38,575	$2,596	$44.48	$34.04 - $54.90
Q4 2013	35,375	$1,870	$38.43	$32.62 - $45.40
Q3 2013	34,875	$1,487	$31.43	$25.84 - $36.51
Q2 2013	31,075	$1,035	$23.41	$18.43 - $27.77
Q1 2013	25,000	$671	$17.38	$14.38 - $21.04