NRG ENERGY INC

Ticker: NRG CUSIP: 629377508 Class: COM NEW

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2025

Shares 50,166 Value ($000) $7,988 Avg Close $165.30 Range $147.98 - $180.08

Q3 2025

Shares 52,266 Value ($000) $8,464 Avg Close $155.26 Range $140.41 - $175.51

Q2 2025

Shares 53,166 Value ($000) $8,537 Avg Close $130.97 Range $78.84 - $167.70

Q1 2025

Shares 54,966 Value ($000) $5,247 Avg Close $100.05 Range $80.16 - $116.18

Q4 2024

Shares 54,966 Value ($000) $4,959 Avg Close $91.23 Range $82.59 - $101.75

Q3 2024

Shares 56,166 Value ($000) $5,117 Avg Close $78.00 Range $63.95 - $91.50

Q2 2024

Shares 57,066 Value ($000) $4,443 Avg Close $75.54 Range $64.99 - $85.55

Q1 2024

Shares 71,748 Value ($000) $4,857 Avg Close $54.38 Range $48.42 - $66.61

Q4 2023

Shares 71,648 Value ($000) $3,704 Avg Close $43.46 Range $34.98 - $50.29

Q3 2023

Shares 77,748 Value ($000) $2,995 Avg Close $36.05 Range $34.18 - $38.33

Q2 2023

Shares 81,048 Value ($000) $3,030 Avg Close $32.10 Range $28.87 - $35.49

Q1 2023

Shares 127,648 Value ($000) $4,377 Avg Close $30.88 Range $28.29 - $33.55

Q4 2022

Shares 126,948 Value ($000) $4,039 Avg Close $36.49 Range $28.34 - $42.36

Q3 2022

Shares 149,948 Value ($000) $5,739 Avg Close $36.50 Range $31.73 - $41.21

Q2 2022

Shares 150,348 Value ($000) $5,739 Avg Close $37.04 Range $32.42 - $43.47

Q1 2022

Shares 73,348 Value ($000) $2,814 Avg Close $35.00 Range $32.38 - $38.70

Q4 2021

Shares 73,218 Value ($000) $3,154 Avg Close $34.95 Range $30.97 - $38.65

Q3 2021

Shares 67,236 Value ($000) $2,745 Avg Close $37.59 Range $33.81 - $40.82

Q2 2021

Shares 67,336 Value ($000) $2,714 Avg Close $31.74 Range $28.06 - $36.14

Q1 2021

Shares 66,136 Value ($000) $2,495 Avg Close $34.57 Range $30.44 - $38.38

Q4 2020

Shares 66,136 Value ($000) $2,483 Avg Close $28.35 Range $25.62 - $32.51

Q3 2020

Shares 65,236 Value ($000) $2,005 Avg Close $28.19 Range $24.14 - $31.10

Q2 2020

Shares 62,336 Value ($000) $2,030 Avg Close $27.85 Range $21.27 - $32.45

Q1 2020

Shares 57,668 Value ($000) $1,572 Avg Close $28.87 Range $16.43 - $33.84

Q4 2019

Shares 60,868 Value ($000) $2,420 Avg Close $32.97 Range $31.50 - $34.84

Q3 2019

Shares 60,868 Value ($000) $2,410 Avg Close $30.11 Range $27.19 - $33.35

Q2 2019

Shares 63,968 Value ($000) $2,247 Avg Close $31.38 Range $27.48 - $35.79

Q1 2019

Shares 80,968 Value ($000) $3,440 Avg Close $34.42 Range $31.22 - $36.32

Q4 2018

Shares 82,968 Value ($000) $3,286 Avg Close $31.80 Range $29.14 - $35.81

Q3 2018

Shares 90,368 Value ($000) $3,380 Avg Close $27.85 Range $24.81 - $31.08

Q2 2018

Shares 88,568 Value ($000) $2,719 Avg Close $26.82 Range $24.72 - $29.18

Q1 2018

Shares 88,868 Value ($000) $2,713 Avg Close $22.96 Range $19.69 - $25.82

Q4 2017

Shares 88,168 Value ($000) $2,511 Avg Close $22.53 Range $20.30 - $24.66

Q3 2017

Shares 91,268 Value ($000) $2,336 Avg Close $19.55 Range $13.18 - $21.71

Q2 2017

Shares 103,768 Value ($000) $1,787 Avg Close $13.84 Range $11.99 - $15.73

Q1 2017

Shares 103,768 Value ($000) $1,940 Avg Close $13.67 Range $10.03 - $15.63

Q4 2016

Shares 103,168 Value ($000) $1,265 Avg Close $9.47 Range $8.10 - $10.75

Q3 2016

Shares 110,036 Value ($000) $1,234 Avg Close $10.69 Range $8.78 - $13.12

Q2 2016

Shares 109,436 Value ($000) $1,640 Avg Close $12.13 Range $9.56 - $15.00

Q1 2016

Shares 108,436 Value ($000) $1,411 Avg Close $9.31 Range $7.18 - $11.83

Q4 2015

Shares 107,436 Value ($000) $1,265 Avg Close $10.14 Range $7.09 - $12.83

Q3 2015

Shares 119,436 Value ($000) $1,774 Avg Close $15.78 Range $11.49 - $18.37

Q2 2015

Shares 129,336 Value ($000) $2,959 Avg Close $19.73 Range $18.06 - $21.19

Q1 2015

Shares 130,236 Value ($000) $3,281 Avg Close $19.83 Range $17.92 - $21.82

Q4 2014

Shares 139,236 Value ($000) $3,752 Avg Close $23.11 Range $20.15 - $26.53

Q3 2014

Shares 138,436 Value ($000) $4,220 Avg Close $24.27 Range $22.55 - $28.97

Q2 2014

Shares 138,136 Value ($000) $5,139 Avg Close $26.64 Range $24.30 - $29.51

Q1 2014

Shares 132,736 Value ($000) $4,221 Avg Close $22.10 Range $20.41 - $24.72

Q4 2013

Shares 131,436 Value ($000) $3,775 Avg Close $21.45 Range $20.20 - $23.16

Q3 2013

Shares 131,336 Value ($000) $3,589 Avg Close $20.64 Range $19.31 - $22.23

Q2 2013

Shares 130,936 Value ($000) $3,496 Avg Close $20.46 Range $18.93 - $21.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	50,166	$7,988	$165.30	$147.98 - $180.08
Q3 2025	52,266	$8,464	$155.26	$140.41 - $175.51
Q2 2025	53,166	$8,537	$130.97	$78.84 - $167.70
Q1 2025	54,966	$5,247	$100.05	$80.16 - $116.18
Q4 2024	54,966	$4,959	$91.23	$82.59 - $101.75
Q3 2024	56,166	$5,117	$78.00	$63.95 - $91.50
Q2 2024	57,066	$4,443	$75.54	$64.99 - $85.55
Q1 2024	71,748	$4,857	$54.38	$48.42 - $66.61
Q4 2023	71,648	$3,704	$43.46	$34.98 - $50.29
Q3 2023	77,748	$2,995	$36.05	$34.18 - $38.33
Q2 2023	81,048	$3,030	$32.10	$28.87 - $35.49
Q1 2023	127,648	$4,377	$30.88	$28.29 - $33.55
Q4 2022	126,948	$4,039	$36.49	$28.34 - $42.36
Q3 2022	149,948	$5,739	$36.50	$31.73 - $41.21
Q2 2022	150,348	$5,739	$37.04	$32.42 - $43.47
Q1 2022	73,348	$2,814	$35.00	$32.38 - $38.70
Q4 2021	73,218	$3,154	$34.95	$30.97 - $38.65
Q3 2021	67,236	$2,745	$37.59	$33.81 - $40.82
Q2 2021	67,336	$2,714	$31.74	$28.06 - $36.14
Q1 2021	66,136	$2,495	$34.57	$30.44 - $38.38
Q4 2020	66,136	$2,483	$28.35	$25.62 - $32.51
Q3 2020	65,236	$2,005	$28.19	$24.14 - $31.10
Q2 2020	62,336	$2,030	$27.85	$21.27 - $32.45
Q1 2020	57,668	$1,572	$28.87	$16.43 - $33.84
Q4 2019	60,868	$2,420	$32.97	$31.50 - $34.84
Q3 2019	60,868	$2,410	$30.11	$27.19 - $33.35
Q2 2019	63,968	$2,247	$31.38	$27.48 - $35.79
Q1 2019	80,968	$3,440	$34.42	$31.22 - $36.32
Q4 2018	82,968	$3,286	$31.80	$29.14 - $35.81
Q3 2018	90,368	$3,380	$27.85	$24.81 - $31.08
Q2 2018	88,568	$2,719	$26.82	$24.72 - $29.18
Q1 2018	88,868	$2,713	$22.96	$19.69 - $25.82
Q4 2017	88,168	$2,511	$22.53	$20.30 - $24.66
Q3 2017	91,268	$2,336	$19.55	$13.18 - $21.71
Q2 2017	103,768	$1,787	$13.84	$11.99 - $15.73
Q1 2017	103,768	$1,940	$13.67	$10.03 - $15.63
Q4 2016	103,168	$1,265	$9.47	$8.10 - $10.75
Q3 2016	110,036	$1,234	$10.69	$8.78 - $13.12
Q2 2016	109,436	$1,640	$12.13	$9.56 - $15.00
Q1 2016	108,436	$1,411	$9.31	$7.18 - $11.83
Q4 2015	107,436	$1,265	$10.14	$7.09 - $12.83
Q3 2015	119,436	$1,774	$15.78	$11.49 - $18.37
Q2 2015	129,336	$2,959	$19.73	$18.06 - $21.19
Q1 2015	130,236	$3,281	$19.83	$17.92 - $21.82
Q4 2014	139,236	$3,752	$23.11	$20.15 - $26.53
Q3 2014	138,436	$4,220	$24.27	$22.55 - $28.97
Q2 2014	138,136	$5,139	$26.64	$24.30 - $29.51
Q1 2014	132,736	$4,221	$22.10	$20.41 - $24.72
Q4 2013	131,436	$3,775	$21.45	$20.20 - $23.16
Q3 2013	131,336	$3,589	$20.64	$19.31 - $22.23
Q2 2013	130,936	$3,496	$20.46	$18.93 - $21.83