NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

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

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

Q4 2025

Shares 35,118 Value ($000) $20,025 Avg Close $578.81 Range $543.66 - $638.31

Q3 2025

Shares 36,418 Value ($000) $22,190 Avg Close $563.27 Range $485.64 - $607.66

Q2 2025

Shares 36,818 Value ($000) $18,408 Avg Close $486.10 Range $444.43 - $537.86

Q1 2025

Shares 36,918 Value ($000) $18,902 Avg Close $470.02 Range $418.96 - $512.32

Q4 2024

Shares 37,218 Value ($000) $17,466 Avg Close $492.97 Range $454.91 - $543.79

Q3 2024

Shares 37,418 Value ($000) $19,759 Avg Close $478.00 Range $412.10 - $523.27

Q2 2024

Shares 38,118 Value ($000) $16,618 Avg Close $444.00 Range $408.11 - $476.20

Q1 2024

Shares 38,618 Value ($000) $18,485 Avg Close $445.90 Range $411.80 - $467.71

Q4 2023

Shares 38,818 Value ($000) $18,172 Avg Close $452.04 Range $399.15 - $478.42

Q3 2023

Shares 39,018 Value ($000) $17,175 Avg Close $421.70 Range $401.22 - $442.91

Q2 2023

Shares 39,218 Value ($000) $17,876 Avg Close $433.83 Range $409.59 - $461.42

Q1 2023

Shares 39,518 Value ($000) $18,246 Avg Close $442.02 Range $409.85 - $521.00

Q4 2022

Shares 39,318 Value ($000) $21,452 Avg Close $495.16 Range $438.99 - $527.30

Q3 2022

Shares 39,318 Value ($000) $18,492 Avg Close $450.68 Range $409.84 - $488.64

Q2 2022

Shares 39,418 Value ($000) $18,864 Avg Close $432.80 Range $406.48 - $465.03

Q1 2022

Shares 41,370 Value ($000) $18,501 Avg Close $387.65 Range $341.78 - $461.91

Q4 2021

Shares 41,885 Value ($000) $16,212 Avg Close $348.21 Range $322.83 - $380.81

Q3 2021

Shares 39,533 Value ($000) $14,238 Avg Close $336.41 Range $321.89 - $347.54

Q2 2021

Shares 39,333 Value ($000) $14,295 Avg Close $333.78 Range $297.33 - $352.23

Q1 2021

Shares 39,933 Value ($000) $12,924 Avg Close $278.19 Range $260.51 - $301.81

Q4 2020

Shares 40,033 Value ($000) $12,199 Avg Close $280.94 Range $261.36 - $297.23

Q3 2020

Shares 39,533 Value ($000) $12,472 Avg Close $298.08 Range $260.61 - $322.77

Q2 2020

Shares 39,633 Value ($000) $12,185 Avg Close $298.50 Range $264.17 - $324.61

Q1 2020

Shares 35,917 Value ($000) $10,867 Avg Close $315.50 Range $239.34 - $348.69

Q4 2019

Shares 37,917 Value ($000) $13,042 Avg Close $317.67 Range $303.11 - $340.24

Q3 2019

Shares 37,817 Value ($000) $14,173 Avg Close $318.69 Range $285.79 - $346.38

Q2 2019

Shares 40,617 Value ($000) $13,124 Avg Close $267.26 Range $236.79 - $292.13

Q1 2019

Shares 48,917 Value ($000) $13,188 Avg Close $243.65 Range $211.35 - $261.00

Q4 2018

Shares 49,717 Value ($000) $12,176 Avg Close $245.46 Range $199.36 - $285.49

Q3 2018

Shares 51,917 Value ($000) $16,477 Avg Close $269.78 Range $253.73 - $287.48

Q2 2018

Shares 51,617 Value ($000) $15,883 Avg Close $291.51 Range $266.24 - $317.78

Q1 2018

Shares 149,317 Value ($000) $52,130 Avg Close $294.31 Range $266.13 - $315.68

Q4 2017

Shares 149,117 Value ($000) $45,765 Avg Close $263.02 Range $251.27 - $273.10

Q3 2017

Shares 150,917 Value ($000) $43,422 Avg Close $234.97 Range $223.70 - $251.79

Q2 2017

Shares 57,417 Value ($000) $14,740 Avg Close $217.50 Range $204.18 - $228.88

Q1 2017

Shares 57,317 Value ($000) $13,632 Avg Close $205.77 Range $193.67 - $215.78

Q4 2016

Shares 57,617 Value ($000) $13,401 Avg Close $200.65 Range $182.75 - $218.77

Q3 2016

Shares 176,489 Value ($000) $37,760 Avg Close $186.23 Range $178.16 - $192.37

Q2 2016

Shares 163,189 Value ($000) $36,274 Avg Close $180.17 Range $167.24 - $191.50

Q1 2016

Shares 165,089 Value ($000) $32,671 Avg Close $161.05 Range $148.95 - $170.52

Q4 2015

Shares 181,589 Value ($000) $34,286 Avg Close $155.62 Range $137.87 - $164.41

Q3 2015

Shares 215,789 Value ($000) $35,810 Avg Close $141.60 Range $128.46 - $149.14

Q2 2015

Shares 223,189 Value ($000) $35,404 Avg Close $134.61 Range $127.92 - $140.47

Q1 2015

Shares 205,789 Value ($000) $33,124 Avg Close $133.81 Range $118.31 - $143.99

Q4 2014

Shares 251,289 Value ($000) $37,037 Avg Close $114.24 Range $98.32 - $128.02

Q3 2014

Shares 188,489 Value ($000) $24,835 Avg Close $104.60 Range $97.77 - $111.63

Q2 2014

Shares 236,989 Value ($000) $28,351 Avg Close $99.58 Range $95.46 - $103.59

Q1 2014

Shares 209,489 Value ($000) $25,847 Avg Close $97.12 Range $89.29 - $103.07

Q4 2013

Shares 211,289 Value ($000) $24,216 Avg Close $87.28 Range $75.26 - $95.04

Q3 2013

Shares 194,089 Value ($000) $18,489 Avg Close $74.87 Range $66.06 - $80.62

Q2 2013

Shares 182,489 Value ($000) $15,110 Avg Close $62.64 Range $55.45 - $68.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	35,118	$20,025	$578.81	$543.66 - $638.31
Q3 2025	36,418	$22,190	$563.27	$485.64 - $607.66
Q2 2025	36,818	$18,408	$486.10	$444.43 - $537.86
Q1 2025	36,918	$18,902	$470.02	$418.96 - $512.32
Q4 2024	37,218	$17,466	$492.97	$454.91 - $543.79
Q3 2024	37,418	$19,759	$478.00	$412.10 - $523.27
Q2 2024	38,118	$16,618	$444.00	$408.11 - $476.20
Q1 2024	38,618	$18,485	$445.90	$411.80 - $467.71
Q4 2023	38,818	$18,172	$452.04	$399.15 - $478.42
Q3 2023	39,018	$17,175	$421.70	$401.22 - $442.91
Q2 2023	39,218	$17,876	$433.83	$409.59 - $461.42
Q1 2023	39,518	$18,246	$442.02	$409.85 - $521.00
Q4 2022	39,318	$21,452	$495.16	$438.99 - $527.30
Q3 2022	39,318	$18,492	$450.68	$409.84 - $488.64
Q2 2022	39,418	$18,864	$432.80	$406.48 - $465.03
Q1 2022	41,370	$18,501	$387.65	$341.78 - $461.91
Q4 2021	41,885	$16,212	$348.21	$322.83 - $380.81
Q3 2021	39,533	$14,238	$336.41	$321.89 - $347.54
Q2 2021	39,333	$14,295	$333.78	$297.33 - $352.23
Q1 2021	39,933	$12,924	$278.19	$260.51 - $301.81
Q4 2020	40,033	$12,199	$280.94	$261.36 - $297.23
Q3 2020	39,533	$12,472	$298.08	$260.61 - $322.77
Q2 2020	39,633	$12,185	$298.50	$264.17 - $324.61
Q1 2020	35,917	$10,867	$315.50	$239.34 - $348.69
Q4 2019	37,917	$13,042	$317.67	$303.11 - $340.24
Q3 2019	37,817	$14,173	$318.69	$285.79 - $346.38
Q2 2019	40,617	$13,124	$267.26	$236.79 - $292.13
Q1 2019	48,917	$13,188	$243.65	$211.35 - $261.00
Q4 2018	49,717	$12,176	$245.46	$199.36 - $285.49
Q3 2018	51,917	$16,477	$269.78	$253.73 - $287.48
Q2 2018	51,617	$15,883	$291.51	$266.24 - $317.78
Q1 2018	149,317	$52,130	$294.31	$266.13 - $315.68
Q4 2017	149,117	$45,765	$263.02	$251.27 - $273.10
Q3 2017	150,917	$43,422	$234.97	$223.70 - $251.79
Q2 2017	57,417	$14,740	$217.50	$204.18 - $228.88
Q1 2017	57,317	$13,632	$205.77	$193.67 - $215.78
Q4 2016	57,617	$13,401	$200.65	$182.75 - $218.77
Q3 2016	176,489	$37,760	$186.23	$178.16 - $192.37
Q2 2016	163,189	$36,274	$180.17	$167.24 - $191.50
Q1 2016	165,089	$32,671	$161.05	$148.95 - $170.52
Q4 2015	181,589	$34,286	$155.62	$137.87 - $164.41
Q3 2015	215,789	$35,810	$141.60	$128.46 - $149.14
Q2 2015	223,189	$35,404	$134.61	$127.92 - $140.47
Q1 2015	205,789	$33,124	$133.81	$118.31 - $143.99
Q4 2014	251,289	$37,037	$114.24	$98.32 - $128.02
Q3 2014	188,489	$24,835	$104.60	$97.77 - $111.63
Q2 2014	236,989	$28,351	$99.58	$95.46 - $103.59
Q1 2014	209,489	$25,847	$97.12	$89.29 - $103.07
Q4 2013	211,289	$24,216	$87.28	$75.26 - $95.04
Q3 2013	194,089	$18,489	$74.87	$66.06 - $80.62
Q2 2013	182,489	$15,110	$62.64	$55.45 - $68.16