NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025

Shares 71,659 Value ($000) $40,861 Avg Close $578.81 Range $543.66 - $638.31

Q3 2025

Shares 71,979 Value ($000) $43,858 Avg Close $563.27 Range $485.64 - $607.66

Q2 2025

Shares 81,490 Value ($000) $40,743 Avg Close $486.10 Range $444.43 - $537.86

Q1 2025

Shares 77,815 Value ($000) $39,842 Avg Close $470.02 Range $418.96 - $512.32

Q4 2024

Shares 76,883 Value ($000) $36,080 Avg Close $492.97 Range $454.91 - $543.79

Q3 2024

Shares 82,903 Value ($000) $43,779 Avg Close $478.00 Range $412.10 - $523.27

Q2 2024

Shares 85,852 Value ($000) $37,427 Avg Close $444.00 Range $408.11 - $476.20

Q1 2024

Shares 78,926 Value ($000) $37,779 Avg Close $445.90 Range $411.80 - $467.71

Q4 2023

Shares 82,806 Value ($000) $38,765 Avg Close $452.04 Range $399.15 - $478.42

Q3 2023

Shares 77,561 Value ($000) $34,142 Avg Close $421.70 Range $401.22 - $442.91

Q2 2023

Shares 75,240 Value ($000) $34,294 Avg Close $433.83 Range $409.59 - $461.42

Q1 2023

Shares 82,012 Value ($000) $37,867 Avg Close $442.02 Range $409.85 - $521.00

Q4 2022

Shares 74,570 Value ($000) $40,686 Avg Close $495.16 Range $438.99 - $527.30

Q3 2022

Shares 86,402 Value ($000) $40,637 Avg Close $450.68 Range $409.84 - $488.64

Q2 2022

Shares 105,980 Value ($000) $50,719 Avg Close $432.80 Range $406.48 - $465.03

Q1 2022

Shares 125,531 Value ($000) $56,140 Avg Close $387.65 Range $341.78 - $461.91

Q4 2021

Shares 154,738 Value ($000) $59,894 Avg Close $348.21 Range $322.83 - $380.81

Q3 2021

Shares 149,369 Value ($000) $53,795 Avg Close $336.41 Range $321.89 - $347.54

Q2 2021

Shares 151,883 Value ($000) $55,199 Avg Close $333.78 Range $297.33 - $352.23

Q1 2021

Shares 159,980 Value ($000) $51,776 Avg Close $278.19 Range $260.51 - $301.81

Q4 2020

Shares 176,278 Value ($000) $53,715 Avg Close $280.94 Range $261.36 - $297.23

Q3 2020

Shares 224,790 Value ($000) $70,919 Avg Close $298.08 Range $260.61 - $322.77

Q2 2020

Shares 268,662 Value ($000) $82,597 Avg Close $298.50 Range $264.17 - $324.61

Q1 2020

Shares 259,526 Value ($000) $78,520 Avg Close $315.50 Range $239.34 - $348.69

Q4 2019

Shares 202,283 Value ($000) $69,579 Avg Close $317.67 Range $303.11 - $340.24

Q3 2019

Shares 206,917 Value ($000) $77,550 Avg Close $318.69 Range $285.79 - $346.38

Q2 2019

Shares 193,977 Value ($000) $62,676 Avg Close $267.26 Range $236.79 - $292.13

Q1 2019

Shares 221,676 Value ($000) $59,764 Avg Close $243.65 Range $211.35 - $261.00

Q4 2018

Shares 205,788 Value ($000) $50,397 Avg Close $245.46 Range $199.36 - $285.49

Q3 2018

Shares 148,228 Value ($000) $47,043 Avg Close $269.78 Range $253.73 - $287.48

Q2 2018

Shares 168,100 Value ($000) $51,724 Avg Close $291.51 Range $266.24 - $317.78

Q1 2018

Shares 151,723 Value ($000) $52,970 Avg Close $294.31 Range $266.13 - $315.68

Q4 2017

Shares 149,660 Value ($000) $45,932 Avg Close $263.02 Range $251.27 - $273.10

Q3 2017

Shares 146,980 Value ($000) $42,289 Avg Close $234.97 Range $223.70 - $251.79

Q2 2017

Shares 137,825 Value ($000) $35,381 Avg Close $217.50 Range $204.18 - $228.88

Q1 2017

Shares 105,575 Value ($000) $25,110 Avg Close $205.77 Range $193.67 - $215.78

Q4 2016

Shares 84,974 Value ($000) $19,763 Avg Close $200.65 Range $182.75 - $218.77

Q3 2016

Shares 124,239 Value ($000) $26,581 Avg Close $186.23 Range $178.16 - $192.37

Q2 2016

Shares 135,739 Value ($000) $30,172 Avg Close $180.17 Range $167.24 - $191.50

Q1 2016

Shares 154,699 Value ($000) $30,615 Avg Close $161.05 Range $148.95 - $170.52

Q4 2015

Shares 182,689 Value ($000) $34,493 Avg Close $155.62 Range $137.87 - $164.41

Q3 2015

Shares 297,439 Value ($000) $49,360 Avg Close $141.60 Range $128.46 - $149.14

Q2 2015

Shares 301,519 Value ($000) $47,830 Avg Close $134.61 Range $127.92 - $140.47

Q1 2015

Shares 329,689 Value ($000) $53,067 Avg Close $133.81 Range $118.31 - $143.99

Q4 2014

Shares 333,889 Value ($000) $49,212 Avg Close $114.24 Range $98.32 - $128.02

Q3 2014

Shares 333,819 Value ($000) $43,984 Avg Close $104.60 Range $97.77 - $111.63

Q2 2014

Shares 332,759 Value ($000) $39,808 Avg Close $99.58 Range $95.46 - $103.59

Q1 2014

Shares 368,048 Value ($000) $45,410 Avg Close $97.12 Range $89.29 - $103.07

Q4 2013

Shares 367,868 Value ($000) $42,161 Avg Close $87.28 Range $75.26 - $95.04

Q3 2013

Shares 382,278 Value ($000) $36,416 Avg Close $74.87 Range $66.06 - $80.62

Q2 2013

Shares 395,678 Value ($000) $32,762 Avg Close $62.64 Range $55.45 - $68.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	71,659	$40,861	$578.81	$543.66 - $638.31
Q3 2025	71,979	$43,858	$563.27	$485.64 - $607.66
Q2 2025	81,490	$40,743	$486.10	$444.43 - $537.86
Q1 2025	77,815	$39,842	$470.02	$418.96 - $512.32
Q4 2024	76,883	$36,080	$492.97	$454.91 - $543.79
Q3 2024	82,903	$43,779	$478.00	$412.10 - $523.27
Q2 2024	85,852	$37,427	$444.00	$408.11 - $476.20
Q1 2024	78,926	$37,779	$445.90	$411.80 - $467.71
Q4 2023	82,806	$38,765	$452.04	$399.15 - $478.42
Q3 2023	77,561	$34,142	$421.70	$401.22 - $442.91
Q2 2023	75,240	$34,294	$433.83	$409.59 - $461.42
Q1 2023	82,012	$37,867	$442.02	$409.85 - $521.00
Q4 2022	74,570	$40,686	$495.16	$438.99 - $527.30
Q3 2022	86,402	$40,637	$450.68	$409.84 - $488.64
Q2 2022	105,980	$50,719	$432.80	$406.48 - $465.03
Q1 2022	125,531	$56,140	$387.65	$341.78 - $461.91
Q4 2021	154,738	$59,894	$348.21	$322.83 - $380.81
Q3 2021	149,369	$53,795	$336.41	$321.89 - $347.54
Q2 2021	151,883	$55,199	$333.78	$297.33 - $352.23
Q1 2021	159,980	$51,776	$278.19	$260.51 - $301.81
Q4 2020	176,278	$53,715	$280.94	$261.36 - $297.23
Q3 2020	224,790	$70,919	$298.08	$260.61 - $322.77
Q2 2020	268,662	$82,597	$298.50	$264.17 - $324.61
Q1 2020	259,526	$78,520	$315.50	$239.34 - $348.69
Q4 2019	202,283	$69,579	$317.67	$303.11 - $340.24
Q3 2019	206,917	$77,550	$318.69	$285.79 - $346.38
Q2 2019	193,977	$62,676	$267.26	$236.79 - $292.13
Q1 2019	221,676	$59,764	$243.65	$211.35 - $261.00
Q4 2018	205,788	$50,397	$245.46	$199.36 - $285.49
Q3 2018	148,228	$47,043	$269.78	$253.73 - $287.48
Q2 2018	168,100	$51,724	$291.51	$266.24 - $317.78
Q1 2018	151,723	$52,970	$294.31	$266.13 - $315.68
Q4 2017	149,660	$45,932	$263.02	$251.27 - $273.10
Q3 2017	146,980	$42,289	$234.97	$223.70 - $251.79
Q2 2017	137,825	$35,381	$217.50	$204.18 - $228.88
Q1 2017	105,575	$25,110	$205.77	$193.67 - $215.78
Q4 2016	84,974	$19,763	$200.65	$182.75 - $218.77
Q3 2016	124,239	$26,581	$186.23	$178.16 - $192.37
Q2 2016	135,739	$30,172	$180.17	$167.24 - $191.50
Q1 2016	154,699	$30,615	$161.05	$148.95 - $170.52
Q4 2015	182,689	$34,493	$155.62	$137.87 - $164.41
Q3 2015	297,439	$49,360	$141.60	$128.46 - $149.14
Q2 2015	301,519	$47,830	$134.61	$127.92 - $140.47
Q1 2015	329,689	$53,067	$133.81	$118.31 - $143.99
Q4 2014	333,889	$49,212	$114.24	$98.32 - $128.02
Q3 2014	333,819	$43,984	$104.60	$97.77 - $111.63
Q2 2014	332,759	$39,808	$99.58	$95.46 - $103.59
Q1 2014	368,048	$45,410	$97.12	$89.29 - $103.07
Q4 2013	367,868	$42,161	$87.28	$75.26 - $95.04
Q3 2013	382,278	$36,416	$74.87	$66.06 - $80.62
Q2 2013	395,678	$32,762	$62.64	$55.45 - $68.16