NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2025

Shares 2,138 Value ($000) $1,219 Avg Close $578.81 Range $543.66 - $638.31

Q3 2025

Shares 1,514 Value ($000) $923 Avg Close $563.27 Range $485.64 - $607.66

Q2 2025

Shares 1,394 Value ($000) $697 Avg Close $486.10 Range $444.43 - $537.86

Q1 2025

Shares 1,093 Value ($000) $560 Avg Close $470.02 Range $418.96 - $512.32

Q4 2024

Shares 1,406 Value ($000) $660 Avg Close $492.97 Range $454.91 - $543.79

Q3 2024

Shares 1,322 Value ($000) $698 Avg Close $478.00 Range $412.10 - $523.27

Q2 2024

Shares 1,333 Value ($000) $581 Avg Close $444.00 Range $408.11 - $476.20

Q1 2024

Shares 565 Value ($000) $270 Avg Close $445.90 Range $411.80 - $467.71

Q4 2023

Shares 377 Value ($000) $176 Avg Close $452.04 Range $399.15 - $478.42

Q3 2023

Shares 398 Value ($000) $175 Avg Close $421.70 Range $401.22 - $442.91

Q2 2023

Shares 458 Value ($000) $209 Avg Close $433.83 Range $409.59 - $461.42

Q1 2023

Shares 458 Value ($000) $211 Avg Close $442.02 Range $409.85 - $521.00

Q4 2022

Shares 439 Value ($000) $240 Avg Close $495.16 Range $438.99 - $527.30

Q3 2022

Shares 535 Value ($000) $252 Avg Close $450.68 Range $409.84 - $488.64

Q2 2022

Shares 438 Value ($000) $210 Avg Close $432.80 Range $406.48 - $465.03

Q1 2022

Shares 391 Value ($000) $175 Avg Close $387.65 Range $341.78 - $461.91

Q4 2021

Shares 8,236 Value ($000) $3,188 Avg Close $348.21 Range $322.83 - $380.81

Q3 2021

Shares 462 Value ($000) $166 Avg Close $336.41 Range $321.89 - $347.54

Q2 2021

Shares 2,076 Value ($000) $754 Avg Close $333.78 Range $297.33 - $352.23

Q1 2021

Shares 595 Value ($000) $193 Avg Close $278.19 Range $260.51 - $301.81

Q4 2020

Shares 623 Value ($000) $190 Avg Close $280.94 Range $261.36 - $297.23

Q3 2020

Shares 575 Value ($000) $181 Avg Close $298.08 Range $260.61 - $322.77

Q2 2020

Shares 834 Value ($000) $256 Avg Close $298.50 Range $264.17 - $324.61

Q1 2020

Shares 808 Value ($000) $244 Avg Close $315.50 Range $239.34 - $348.69

Q4 2019

Shares 1,294 Value ($000) $445 Avg Close $317.67 Range $303.11 - $340.24

Q3 2019

Shares 861 Value ($000) $323 Avg Close $318.69 Range $285.79 - $346.38

Q2 2019

Shares 283 Value ($000) $91 Avg Close $267.26 Range $236.79 - $292.13

Q1 2019

Shares 283 Value ($000) $76 Avg Close $243.65 Range $211.35 - $261.00

Q4 2018

Shares 124 Value ($000) $30 Avg Close $245.46 Range $199.36 - $285.49

Q3 2018

Shares 303 Value ($000) $96 Avg Close $269.78 Range $253.73 - $287.48

Q2 2018

Shares 244 Value ($000) $75 Avg Close $291.51 Range $266.24 - $317.78

Q1 2018

Shares 248 Value ($000) $87 Avg Close $294.31 Range $266.13 - $315.68

Q4 2017

Shares 339 Value ($000) $104 Avg Close $263.02 Range $251.27 - $273.10

Q3 2017

Shares 185 Value ($000) $53 Avg Close $234.97 Range $223.70 - $251.79

Q2 2017

Shares 340 Value ($000) $87 Avg Close $217.50 Range $204.18 - $228.88

Q1 2017

Shares 382 Value ($000) $91 Avg Close $205.77 Range $193.67 - $215.78

Q4 2016

Shares 606 Value ($000) $141 Avg Close $200.65 Range $182.75 - $218.77

Q3 2016

Shares 340 Value ($000) $73 Avg Close $186.23 Range $178.16 - $192.37

Q2 2016

Shares 340 Value ($000) $76 Avg Close $180.17 Range $167.24 - $191.50

Q1 2016

Shares 286 Value ($000) $57 Avg Close $161.05 Range $148.95 - $170.52

Q4 2015

Shares 286 Value ($000) $54 Avg Close $155.62 Range $137.87 - $164.41

Q3 2015

Shares 286 Value ($000) $47 Avg Close $141.60 Range $128.46 - $149.14

Q2 2015

Shares 514 Value ($000) $82 Avg Close $134.61 Range $127.92 - $140.47

Q1 2015

Shares 514 Value ($000) $83 Avg Close $133.81 Range $118.31 - $143.99

Q4 2014

Shares 760 Value ($000) $112 Avg Close $114.24 Range $98.32 - $128.02

Q3 2014

Shares 1,500 Value ($000) $198 Avg Close $104.60 Range $97.77 - $111.63

Q2 2014

Shares 1,289 Value ($000) $154 Avg Close $99.58 Range $95.46 - $103.59

Q1 2014

Shares 606 Value ($000) $75 Avg Close $97.12 Range $89.29 - $103.07

Q4 2013

Shares 114 Value ($000) $13 Avg Close $87.28 Range $75.26 - $95.04

Q2 2013

Shares 200 Value ($000) $17 Avg Close $62.64 Range $55.45 - $68.16

Q1 2013

Shares 62 Value ($000) $4 Avg Close $53.29 Range $51.18 - $56.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,138	$1,219	$578.81	$543.66 - $638.31
Q3 2025	1,514	$923	$563.27	$485.64 - $607.66
Q2 2025	1,394	$697	$486.10	$444.43 - $537.86
Q1 2025	1,093	$560	$470.02	$418.96 - $512.32
Q4 2024	1,406	$660	$492.97	$454.91 - $543.79
Q3 2024	1,322	$698	$478.00	$412.10 - $523.27
Q2 2024	1,333	$581	$444.00	$408.11 - $476.20
Q1 2024	565	$270	$445.90	$411.80 - $467.71
Q4 2023	377	$176	$452.04	$399.15 - $478.42
Q3 2023	398	$175	$421.70	$401.22 - $442.91
Q2 2023	458	$209	$433.83	$409.59 - $461.42
Q1 2023	458	$211	$442.02	$409.85 - $521.00
Q4 2022	439	$240	$495.16	$438.99 - $527.30
Q3 2022	535	$252	$450.68	$409.84 - $488.64
Q2 2022	438	$210	$432.80	$406.48 - $465.03
Q1 2022	391	$175	$387.65	$341.78 - $461.91
Q4 2021	8,236	$3,188	$348.21	$322.83 - $380.81
Q3 2021	462	$166	$336.41	$321.89 - $347.54
Q2 2021	2,076	$754	$333.78	$297.33 - $352.23
Q1 2021	595	$193	$278.19	$260.51 - $301.81
Q4 2020	623	$190	$280.94	$261.36 - $297.23
Q3 2020	575	$181	$298.08	$260.61 - $322.77
Q2 2020	834	$256	$298.50	$264.17 - $324.61
Q1 2020	808	$244	$315.50	$239.34 - $348.69
Q4 2019	1,294	$445	$317.67	$303.11 - $340.24
Q3 2019	861	$323	$318.69	$285.79 - $346.38
Q2 2019	283	$91	$267.26	$236.79 - $292.13
Q1 2019	283	$76	$243.65	$211.35 - $261.00
Q4 2018	124	$30	$245.46	$199.36 - $285.49
Q3 2018	303	$96	$269.78	$253.73 - $287.48
Q2 2018	244	$75	$291.51	$266.24 - $317.78
Q1 2018	248	$87	$294.31	$266.13 - $315.68
Q4 2017	339	$104	$263.02	$251.27 - $273.10
Q3 2017	185	$53	$234.97	$223.70 - $251.79
Q2 2017	340	$87	$217.50	$204.18 - $228.88
Q1 2017	382	$91	$205.77	$193.67 - $215.78
Q4 2016	606	$141	$200.65	$182.75 - $218.77
Q3 2016	340	$73	$186.23	$178.16 - $192.37
Q2 2016	340	$76	$180.17	$167.24 - $191.50
Q1 2016	286	$57	$161.05	$148.95 - $170.52
Q4 2015	286	$54	$155.62	$137.87 - $164.41
Q3 2015	286	$47	$141.60	$128.46 - $149.14
Q2 2015	514	$82	$134.61	$127.92 - $140.47
Q1 2015	514	$83	$133.81	$118.31 - $143.99
Q4 2014	760	$112	$114.24	$98.32 - $128.02
Q3 2014	1,500	$198	$104.60	$97.77 - $111.63
Q2 2014	1,289	$154	$99.58	$95.46 - $103.59
Q1 2014	606	$75	$97.12	$89.29 - $103.07
Q4 2013	114	$13	$87.28	$75.26 - $95.04
Q2 2013	200	$17	$62.64	$55.45 - $68.16
Q1 2013	62	$4	$53.29	$51.18 - $56.31