NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2025

Shares 2,255 Value ($000) $1,286 Avg Close $578.81 Range $543.66 - $638.31

Q3 2025

Shares 2,192 Value ($000) $1,336 Avg Close $563.27 Range $485.64 - $607.66

Q2 2025

Shares 2,244 Value ($000) $1,122 Avg Close $486.10 Range $444.43 - $537.86

Q1 2025

Shares 2,438 Value ($000) $1,245 Avg Close $470.02 Range $418.96 - $512.32

Q4 2024

Shares 44,382 Value ($000) $20,828 Avg Close $492.97 Range $454.91 - $543.79

Q3 2024

Shares 46,067 Value ($000) $24,327 Avg Close $478.00 Range $412.10 - $523.27

Q2 2024

Shares 46,011 Value ($000) $20,059 Avg Close $444.00 Range $408.11 - $476.20

Q1 2024

Shares 46,503 Value ($000) $22,259 Avg Close $445.90 Range $411.80 - $467.71

Q4 2023

Shares 46,238 Value ($000) $21,646 Avg Close $452.04 Range $399.15 - $478.42

Q3 2023

Shares 47,116 Value ($000) $20,740 Avg Close $421.70 Range $401.22 - $442.91

Q2 2023

Shares 46,979 Value ($000) $21,413 Avg Close $433.83 Range $409.59 - $461.42

Q1 2023

Shares 51,243 Value ($000) $23,660 Avg Close $442.02 Range $409.85 - $521.00

Q4 2022

Shares 2,475 Value ($000) $1,350 Avg Close $495.16 Range $438.99 - $527.30

Q3 2022

Shares 2,473 Value ($000) $1,163 Avg Close $450.68 Range $409.84 - $488.64

Q2 2022

Shares 2,427 Value ($000) $1,162 Avg Close $432.80 Range $406.48 - $465.03

Q1 2022

Shares 2,069 Value ($000) $925 Avg Close $387.65 Range $341.78 - $461.91

Q4 2021

Shares 2,212 Value ($000) $856 Avg Close $348.21 Range $322.83 - $380.81

Q3 2021

Shares 2,491 Value ($000) $897 Avg Close $336.41 Range $321.89 - $347.54

Q2 2021

Shares 19,668 Value ($000) $7,148 Avg Close $333.78 Range $297.33 - $352.23

Q1 2021

Shares 2,191 Value ($000) $709 Avg Close $278.19 Range $260.51 - $301.81

Q4 2020

Shares 2,236 Value ($000) $681 Avg Close $280.94 Range $261.36 - $297.23

Q3 2020

Shares 2,651 Value ($000) $836 Avg Close $298.08 Range $260.61 - $322.77

Q2 2020

Shares 2,570 Value ($000) $790 Avg Close $298.50 Range $264.17 - $324.61

Q1 2020

Shares 2,561 Value ($000) $775 Avg Close $315.50 Range $239.34 - $348.69

Q4 2019

Shares 2,407 Value ($000) $828 Avg Close $317.67 Range $303.11 - $340.24

Q3 2019

Shares 2,298 Value ($000) $861 Avg Close $318.69 Range $285.79 - $346.38

Q2 2019

Shares 2,307 Value ($000) $746 Avg Close $267.26 Range $236.79 - $292.13

Q1 2019

Shares 2,317 Value ($000) $624 Avg Close $243.65 Range $211.35 - $261.00

Q4 2018

Shares 2,334 Value ($000) $572 Avg Close $245.46 Range $199.36 - $285.49

Q3 2018

Shares 2,529 Value ($000) $803 Avg Close $269.78 Range $253.73 - $287.48

Q2 2018

Shares 2,505 Value ($000) $771 Avg Close $291.51 Range $266.24 - $317.78

Q1 2018

Shares 2,517 Value ($000) $879 Avg Close $294.31 Range $266.13 - $315.68

Q4 2017

Shares 3,503 Value ($000) $1,075 Avg Close $263.02 Range $251.27 - $273.10

Q3 2017

Shares 3,503 Value ($000) $1,008 Avg Close $234.97 Range $223.70 - $251.79

Q2 2017

Shares 3,476 Value ($000) $892 Avg Close $217.50 Range $204.18 - $228.88

Q1 2017

Shares 3,736 Value ($000) $889 Avg Close $205.77 Range $193.67 - $215.78

Q4 2016

Shares 3,716 Value ($000) $864 Avg Close $200.65 Range $182.75 - $218.77

Q3 2016

Shares 4,907 Value ($000) $1,050 Avg Close $186.23 Range $178.16 - $192.37

Q2 2016

Shares 4,956 Value ($000) $1,102 Avg Close $180.17 Range $167.24 - $191.50

Q1 2016

Shares 5,294 Value ($000) $1,048 Avg Close $161.05 Range $148.95 - $170.52

Q4 2015

Shares 4,481 Value ($000) $846 Avg Close $155.62 Range $137.87 - $164.41

Q3 2015

Shares 4,539 Value ($000) $753 Avg Close $141.60 Range $128.46 - $149.14

Q2 2015

Shares 2,793 Value ($000) $443 Avg Close $134.61 Range $127.92 - $140.47

Q1 2015

Shares 2,228 Value ($000) $359 Avg Close $133.81 Range $118.31 - $143.99

Q4 2014

Shares 2,478 Value ($000) $365 Avg Close $114.24 Range $98.32 - $128.02

Q3 2014

Shares 2,475 Value ($000) $326 Avg Close $104.60 Range $97.77 - $111.63

Q2 2014

Shares 2,522 Value ($000) $302 Avg Close $99.58 Range $95.46 - $103.59

Q1 2014

Shares 4,236 Value ($000) $523 Avg Close $97.12 Range $89.29 - $103.07

Q4 2013

Shares 2,563 Value ($000) $294 Avg Close $87.28 Range $75.26 - $95.04

Q3 2013

Shares 13,513 Value ($000) $1,288 Avg Close $74.87 Range $66.06 - $80.62

Q2 2013

Shares 11,385 Value ($000) $943 Avg Close $62.64 Range $55.45 - $68.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,255	$1,286	$578.81	$543.66 - $638.31
Q3 2025	2,192	$1,336	$563.27	$485.64 - $607.66
Q2 2025	2,244	$1,122	$486.10	$444.43 - $537.86
Q1 2025	2,438	$1,245	$470.02	$418.96 - $512.32
Q4 2024	44,382	$20,828	$492.97	$454.91 - $543.79
Q3 2024	46,067	$24,327	$478.00	$412.10 - $523.27
Q2 2024	46,011	$20,059	$444.00	$408.11 - $476.20
Q1 2024	46,503	$22,259	$445.90	$411.80 - $467.71
Q4 2023	46,238	$21,646	$452.04	$399.15 - $478.42
Q3 2023	47,116	$20,740	$421.70	$401.22 - $442.91
Q2 2023	46,979	$21,413	$433.83	$409.59 - $461.42
Q1 2023	51,243	$23,660	$442.02	$409.85 - $521.00
Q4 2022	2,475	$1,350	$495.16	$438.99 - $527.30
Q3 2022	2,473	$1,163	$450.68	$409.84 - $488.64
Q2 2022	2,427	$1,162	$432.80	$406.48 - $465.03
Q1 2022	2,069	$925	$387.65	$341.78 - $461.91
Q4 2021	2,212	$856	$348.21	$322.83 - $380.81
Q3 2021	2,491	$897	$336.41	$321.89 - $347.54
Q2 2021	19,668	$7,148	$333.78	$297.33 - $352.23
Q1 2021	2,191	$709	$278.19	$260.51 - $301.81
Q4 2020	2,236	$681	$280.94	$261.36 - $297.23
Q3 2020	2,651	$836	$298.08	$260.61 - $322.77
Q2 2020	2,570	$790	$298.50	$264.17 - $324.61
Q1 2020	2,561	$775	$315.50	$239.34 - $348.69
Q4 2019	2,407	$828	$317.67	$303.11 - $340.24
Q3 2019	2,298	$861	$318.69	$285.79 - $346.38
Q2 2019	2,307	$746	$267.26	$236.79 - $292.13
Q1 2019	2,317	$624	$243.65	$211.35 - $261.00
Q4 2018	2,334	$572	$245.46	$199.36 - $285.49
Q3 2018	2,529	$803	$269.78	$253.73 - $287.48
Q2 2018	2,505	$771	$291.51	$266.24 - $317.78
Q1 2018	2,517	$879	$294.31	$266.13 - $315.68
Q4 2017	3,503	$1,075	$263.02	$251.27 - $273.10
Q3 2017	3,503	$1,008	$234.97	$223.70 - $251.79
Q2 2017	3,476	$892	$217.50	$204.18 - $228.88
Q1 2017	3,736	$889	$205.77	$193.67 - $215.78
Q4 2016	3,716	$864	$200.65	$182.75 - $218.77
Q3 2016	4,907	$1,050	$186.23	$178.16 - $192.37
Q2 2016	4,956	$1,102	$180.17	$167.24 - $191.50
Q1 2016	5,294	$1,048	$161.05	$148.95 - $170.52
Q4 2015	4,481	$846	$155.62	$137.87 - $164.41
Q3 2015	4,539	$753	$141.60	$128.46 - $149.14
Q2 2015	2,793	$443	$134.61	$127.92 - $140.47
Q1 2015	2,228	$359	$133.81	$118.31 - $143.99
Q4 2014	2,478	$365	$114.24	$98.32 - $128.02
Q3 2014	2,475	$326	$104.60	$97.77 - $111.63
Q2 2014	2,522	$302	$99.58	$95.46 - $103.59
Q1 2014	4,236	$523	$97.12	$89.29 - $103.07
Q4 2013	2,563	$294	$87.28	$75.26 - $95.04
Q3 2013	13,513	$1,288	$74.87	$66.06 - $80.62
Q2 2013	11,385	$943	$62.64	$55.45 - $68.16