NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2025

Shares 15,869 Value ($000) $9,048 Avg Close $578.81 Range $543.66 - $638.31

Q3 2025

Shares 15,549 Value ($000) $9,474 Avg Close $563.27 Range $485.64 - $607.66

Q2 2025

Shares 16,405 Value ($000) $8,202 Avg Close $486.10 Range $444.43 - $537.86

Q1 2025

Shares 16,671 Value ($000) $8,536 Avg Close $470.02 Range $418.96 - $512.32

Q4 2024

Shares 18,105 Value ($000) $8,496 Avg Close $492.97 Range $454.91 - $543.79

Q3 2024

Shares 19,301 Value ($000) $10,192 Avg Close $478.00 Range $412.10 - $523.27

Q2 2024

Shares 18,813 Value ($000) $8,202 Avg Close $444.00 Range $408.11 - $476.20

Q1 2024

Shares 22,448 Value ($000) $10,745 Avg Close $445.90 Range $411.80 - $467.71

Q4 2023

Shares 23,273 Value ($000) $10,895 Avg Close $452.04 Range $399.15 - $478.42

Q3 2023

Shares 23,139 Value ($000) $10,185 Avg Close $421.70 Range $401.22 - $442.91

Q2 2023

Shares 24,195 Value ($000) $11,028 Avg Close $433.83 Range $409.59 - $461.42

Q1 2023

Shares 24,676 Value ($000) $11,394 Avg Close $442.02 Range $409.85 - $521.00

Q4 2022

Shares 28,131 Value ($000) $15,348 Avg Close $495.16 Range $438.99 - $527.30

Q3 2022

Shares 29,320 Value ($000) $13,790 Avg Close $450.68 Range $409.84 - $488.64

Q2 2022

Shares 28,714 Value ($000) $13,741 Avg Close $432.80 Range $406.48 - $465.03

Q1 2022

Shares 28,238 Value ($000) $12,629 Avg Close $387.65 Range $341.78 - $461.91

Q4 2021

Shares 27,592 Value ($000) $10,680 Avg Close $348.21 Range $322.83 - $380.81

Q3 2021

Shares 17,176 Value ($000) $6,186 Avg Close $336.41 Range $321.89 - $347.54

Q2 2021

Shares 16,878 Value ($000) $6,134 Avg Close $333.78 Range $297.33 - $352.23

Q1 2021

Shares 17,102 Value ($000) $5,535 Avg Close $278.19 Range $260.51 - $301.81

Q4 2020

Shares 17,586 Value ($000) $5,359 Avg Close $280.94 Range $261.36 - $297.23

Q3 2020

Shares 17,620 Value ($000) $5,559 Avg Close $298.08 Range $260.61 - $322.77

Q2 2020

Shares 17,964 Value ($000) $5,523 Avg Close $298.50 Range $264.17 - $324.61

Q1 2020

Shares 18,696 Value ($000) $5,657 Avg Close $315.50 Range $239.34 - $348.69

Q4 2019

Shares 18,609 Value ($000) $6,401 Avg Close $317.67 Range $303.11 - $340.24

Q3 2019

Shares 17,539 Value ($000) $6,573 Avg Close $318.69 Range $285.79 - $346.38

Q2 2019

Shares 17,367 Value ($000) $5,611 Avg Close $267.26 Range $236.79 - $292.13

Q1 2019

Shares 18,129 Value ($000) $4,888 Avg Close $243.65 Range $211.35 - $261.00

Q4 2018

Shares 13,901 Value ($000) $3,404 Avg Close $245.46 Range $199.36 - $285.49

Q3 2018

Shares 11,698 Value ($000) $3,713 Avg Close $269.78 Range $253.73 - $287.48

Q2 2018

Shares 11,655 Value ($000) $3,586 Avg Close $291.51 Range $266.24 - $317.78

Q1 2018

Shares 12,462 Value ($000) $4,351 Avg Close $294.31 Range $266.13 - $315.68

Q4 2017

Shares 12,194 Value ($000) $3,742 Avg Close $263.02 Range $251.27 - $273.10

Q3 2017

Shares 11,870 Value ($000) $3,415 Avg Close $234.97 Range $223.70 - $251.79

Q2 2017

Shares 11,800 Value ($000) $3,029 Avg Close $217.50 Range $204.18 - $228.88

Q1 2017

Shares 12,936 Value ($000) $3,148 Avg Close $205.77 Range $193.67 - $215.78

Q4 2016

Shares 12,559 Value ($000) $2,921 Avg Close $200.65 Range $182.75 - $218.77

Q3 2016

Shares 12,833 Value ($000) $2,746 Avg Close $186.23 Range $178.16 - $192.37

Q2 2016

Shares 13,556 Value ($000) $3,013 Avg Close $180.17 Range $167.24 - $191.50

Q1 2016

Shares 11,481 Value ($000) $2,271 Avg Close $161.05 Range $148.95 - $170.52

Q4 2015

Shares 9,727 Value ($000) $1,836 Avg Close $155.62 Range $137.87 - $164.41

Q3 2015

Shares 9,400 Value ($000) $1,560 Avg Close $141.60 Range $128.46 - $149.14

Q2 2015

Shares 9,615 Value ($000) $1,525 Avg Close $134.61 Range $127.92 - $140.47

Q1 2015

Shares 11,648 Value ($000) $1,874 Avg Close $133.81 Range $118.31 - $143.99

Q4 2014

Shares 11,320 Value ($000) $1,668 Avg Close $114.24 Range $98.32 - $128.02

Q3 2014

Shares 11,104 Value ($000) $1,462 Avg Close $104.60 Range $97.77 - $111.63

Q2 2014

Shares 11,149 Value ($000) $1,333 Avg Close $99.58 Range $95.46 - $103.59

Q1 2014

Shares 11,066 Value ($000) $1,365 Avg Close $97.12 Range $89.29 - $103.07

Q4 2013

Shares 10,971 Value ($000) $1,257 Avg Close $87.28 Range $75.26 - $95.04

Q3 2013

Shares 24,949 Value ($000) $2,376 Avg Close $74.87 Range $66.06 - $80.62

Q2 2013

Shares 24,602 Value ($000) $2,036 Avg Close $62.64 Range $55.45 - $68.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	15,869	$9,048	$578.81	$543.66 - $638.31
Q3 2025	15,549	$9,474	$563.27	$485.64 - $607.66
Q2 2025	16,405	$8,202	$486.10	$444.43 - $537.86
Q1 2025	16,671	$8,536	$470.02	$418.96 - $512.32
Q4 2024	18,105	$8,496	$492.97	$454.91 - $543.79
Q3 2024	19,301	$10,192	$478.00	$412.10 - $523.27
Q2 2024	18,813	$8,202	$444.00	$408.11 - $476.20
Q1 2024	22,448	$10,745	$445.90	$411.80 - $467.71
Q4 2023	23,273	$10,895	$452.04	$399.15 - $478.42
Q3 2023	23,139	$10,185	$421.70	$401.22 - $442.91
Q2 2023	24,195	$11,028	$433.83	$409.59 - $461.42
Q1 2023	24,676	$11,394	$442.02	$409.85 - $521.00
Q4 2022	28,131	$15,348	$495.16	$438.99 - $527.30
Q3 2022	29,320	$13,790	$450.68	$409.84 - $488.64
Q2 2022	28,714	$13,741	$432.80	$406.48 - $465.03
Q1 2022	28,238	$12,629	$387.65	$341.78 - $461.91
Q4 2021	27,592	$10,680	$348.21	$322.83 - $380.81
Q3 2021	17,176	$6,186	$336.41	$321.89 - $347.54
Q2 2021	16,878	$6,134	$333.78	$297.33 - $352.23
Q1 2021	17,102	$5,535	$278.19	$260.51 - $301.81
Q4 2020	17,586	$5,359	$280.94	$261.36 - $297.23
Q3 2020	17,620	$5,559	$298.08	$260.61 - $322.77
Q2 2020	17,964	$5,523	$298.50	$264.17 - $324.61
Q1 2020	18,696	$5,657	$315.50	$239.34 - $348.69
Q4 2019	18,609	$6,401	$317.67	$303.11 - $340.24
Q3 2019	17,539	$6,573	$318.69	$285.79 - $346.38
Q2 2019	17,367	$5,611	$267.26	$236.79 - $292.13
Q1 2019	18,129	$4,888	$243.65	$211.35 - $261.00
Q4 2018	13,901	$3,404	$245.46	$199.36 - $285.49
Q3 2018	11,698	$3,713	$269.78	$253.73 - $287.48
Q2 2018	11,655	$3,586	$291.51	$266.24 - $317.78
Q1 2018	12,462	$4,351	$294.31	$266.13 - $315.68
Q4 2017	12,194	$3,742	$263.02	$251.27 - $273.10
Q3 2017	11,870	$3,415	$234.97	$223.70 - $251.79
Q2 2017	11,800	$3,029	$217.50	$204.18 - $228.88
Q1 2017	12,936	$3,148	$205.77	$193.67 - $215.78
Q4 2016	12,559	$2,921	$200.65	$182.75 - $218.77
Q3 2016	12,833	$2,746	$186.23	$178.16 - $192.37
Q2 2016	13,556	$3,013	$180.17	$167.24 - $191.50
Q1 2016	11,481	$2,271	$161.05	$148.95 - $170.52
Q4 2015	9,727	$1,836	$155.62	$137.87 - $164.41
Q3 2015	9,400	$1,560	$141.60	$128.46 - $149.14
Q2 2015	9,615	$1,525	$134.61	$127.92 - $140.47
Q1 2015	11,648	$1,874	$133.81	$118.31 - $143.99
Q4 2014	11,320	$1,668	$114.24	$98.32 - $128.02
Q3 2014	11,104	$1,462	$104.60	$97.77 - $111.63
Q2 2014	11,149	$1,333	$99.58	$95.46 - $103.59
Q1 2014	11,066	$1,365	$97.12	$89.29 - $103.07
Q4 2013	10,971	$1,257	$87.28	$75.26 - $95.04
Q3 2013	24,949	$2,376	$74.87	$66.06 - $80.62
Q2 2013	24,602	$2,036	$62.64	$55.45 - $68.16