NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025

Shares 215,362 Value ($000) $122,802 Avg Close $578.81 Range $543.66 - $638.31

Q3 2025

Shares 218,171 Value ($000) $132,936 Avg Close $563.27 Range $485.64 - $607.66

Q2 2025

Shares 217,035 Value ($000) $108,513 Avg Close $486.10 Range $444.43 - $537.86

Q1 2025

Shares 226,763 Value ($000) $116,105 Avg Close $470.02 Range $418.96 - $512.32

Q4 2024

Shares 228,900 Value ($000) $107,420 Avg Close $492.97 Range $454.91 - $543.79

Q3 2024

Shares 234,905 Value ($000) $124,046 Avg Close $478.00 Range $412.10 - $523.27

Q2 2024

Shares 234,753 Value ($000) $102,341 Avg Close $444.00 Range $408.11 - $476.20

Q1 2024

Shares 233,602 Value ($000) $111,816 Avg Close $445.90 Range $411.80 - $467.71

Q4 2023

Shares 232,623 Value ($000) $108,900 Avg Close $452.04 Range $399.15 - $478.42

Q3 2023

Shares 229,264 Value ($000) $100,920 Avg Close $421.70 Range $401.22 - $442.91

Q2 2023

Shares 239,774 Value ($000) $109,289 Avg Close $433.83 Range $409.59 - $461.42

Q1 2023

Shares 253,232 Value ($000) $116,922 Avg Close $442.02 Range $409.85 - $521.00

Q4 2022

Shares 257,407 Value ($000) $140,444 Avg Close $495.16 Range $438.99 - $527.30

Q3 2022

Shares 254,832 Value ($000) $119,853 Avg Close $450.68 Range $409.84 - $488.64

Q2 2022

Shares 261,276 Value ($000) $125,039 Avg Close $432.80 Range $406.48 - $465.03

Q1 2022

Shares 263,346 Value ($000) $117,774 Avg Close $387.65 Range $341.78 - $461.91

Q4 2021

Shares 280,955 Value ($000) $108,749 Avg Close $348.21 Range $322.83 - $380.81

Q3 2021

Shares 272,645 Value ($000) $98,193 Avg Close $336.41 Range $321.89 - $347.54

Q2 2021

Shares 277,810 Value ($000) $100,964 Avg Close $333.78 Range $297.33 - $352.23

Q1 2021

Shares 307,610 Value ($000) $99,555 Avg Close $278.19 Range $260.51 - $301.81

Q4 2020

Shares 305,531 Value ($000) $93,101 Avg Close $280.94 Range $261.36 - $297.23

Q3 2020

Shares 298,832 Value ($000) $94,279 Avg Close $298.08 Range $260.61 - $322.77

Q2 2020

Shares 294,748 Value ($000) $90,617 Avg Close $298.50 Range $264.17 - $324.61

Q1 2020

Shares 286,556 Value ($000) $86,698 Avg Close $315.50 Range $239.34 - $348.69

Q4 2019

Shares 291,195 Value ($000) $100,162 Avg Close $317.67 Range $303.11 - $340.24

Q3 2019

Shares 269,787 Value ($000) $101,113 Avg Close $318.69 Range $285.79 - $346.38

Q2 2019

Shares 266,875 Value ($000) $86,230 Avg Close $267.26 Range $236.79 - $292.13

Q1 2019

Shares 264,848 Value ($000) $71,403 Avg Close $243.65 Range $211.35 - $261.00

Q4 2018

Shares 270,275 Value ($000) $66,190 Avg Close $245.46 Range $199.36 - $285.49

Q3 2018

Shares 264,000 Value ($000) $83,786 Avg Close $269.78 Range $253.73 - $287.48

Q2 2018

Shares 264,287 Value ($000) $81,321 Avg Close $291.51 Range $266.24 - $317.78

Q1 2018

Shares 263,123 Value ($000) $91,862 Avg Close $294.31 Range $266.13 - $315.68

Q4 2017

Shares 272,441 Value ($000) $83,615 Avg Close $263.02 Range $251.27 - $273.10

Q3 2017

Shares 276,795 Value ($000) $79,639 Avg Close $234.97 Range $223.70 - $251.79

Q2 2017

Shares 299,165 Value ($000) $76,798 Avg Close $217.50 Range $204.18 - $228.88

Q1 2017

Shares 331,495 Value ($000) $78,843 Avg Close $205.77 Range $193.67 - $215.78

Q4 2016

Shares 346,595 Value ($000) $80,611 Avg Close $200.65 Range $182.75 - $218.77

Q3 2016

Shares 355,895 Value ($000) $76,144 Avg Close $186.23 Range $178.16 - $192.37

Q2 2016

Shares 352,895 Value ($000) $78,442 Avg Close $180.17 Range $167.24 - $191.50

Q1 2016

Shares 395,160 Value ($000) $78,202 Avg Close $161.05 Range $148.95 - $170.52

Q4 2015

Shares 345,479 Value ($000) $65,230 Avg Close $155.62 Range $137.87 - $164.41

Q3 2015

Shares 361,284 Value ($000) $59,955 Avg Close $141.60 Range $128.46 - $149.14

Q2 2015

Shares 353,923 Value ($000) $56,143 Avg Close $134.61 Range $127.92 - $140.47

Q1 2015

Shares 381,949 Value ($000) $61,479 Avg Close $133.81 Range $118.31 - $143.99

Q4 2014

Shares 388,231 Value ($000) $57,221 Avg Close $114.24 Range $98.32 - $128.02

Q3 2014

Shares 407,787 Value ($000) $53,730 Avg Close $104.60 Range $97.77 - $111.63

Q2 2014

Shares 395,826 Value ($000) $47,353 Avg Close $99.58 Range $95.46 - $103.59

Q1 2014

Shares 403,826 Value ($000) $49,824 Avg Close $97.12 Range $89.29 - $103.07

Q4 2013

Shares 401,926 Value ($000) $46,065 Avg Close $87.28 Range $75.26 - $95.04

Q3 2013

Shares 422,826 Value ($000) $40,278 Avg Close $74.87 Range $66.06 - $80.62

Q2 2013

Shares 409,800 Value ($000) $33,931 Avg Close $62.64 Range $55.45 - $68.16

Q1 2013

Shares 412,286 Value ($000) $28,922 Avg Close $53.29 Range $51.18 - $56.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	215,362	$122,802	$578.81	$543.66 - $638.31
Q3 2025	218,171	$132,936	$563.27	$485.64 - $607.66
Q2 2025	217,035	$108,513	$486.10	$444.43 - $537.86
Q1 2025	226,763	$116,105	$470.02	$418.96 - $512.32
Q4 2024	228,900	$107,420	$492.97	$454.91 - $543.79
Q3 2024	234,905	$124,046	$478.00	$412.10 - $523.27
Q2 2024	234,753	$102,341	$444.00	$408.11 - $476.20
Q1 2024	233,602	$111,816	$445.90	$411.80 - $467.71
Q4 2023	232,623	$108,900	$452.04	$399.15 - $478.42
Q3 2023	229,264	$100,920	$421.70	$401.22 - $442.91
Q2 2023	239,774	$109,289	$433.83	$409.59 - $461.42
Q1 2023	253,232	$116,922	$442.02	$409.85 - $521.00
Q4 2022	257,407	$140,444	$495.16	$438.99 - $527.30
Q3 2022	254,832	$119,853	$450.68	$409.84 - $488.64
Q2 2022	261,276	$125,039	$432.80	$406.48 - $465.03
Q1 2022	263,346	$117,774	$387.65	$341.78 - $461.91
Q4 2021	280,955	$108,749	$348.21	$322.83 - $380.81
Q3 2021	272,645	$98,193	$336.41	$321.89 - $347.54
Q2 2021	277,810	$100,964	$333.78	$297.33 - $352.23
Q1 2021	307,610	$99,555	$278.19	$260.51 - $301.81
Q4 2020	305,531	$93,101	$280.94	$261.36 - $297.23
Q3 2020	298,832	$94,279	$298.08	$260.61 - $322.77
Q2 2020	294,748	$90,617	$298.50	$264.17 - $324.61
Q1 2020	286,556	$86,698	$315.50	$239.34 - $348.69
Q4 2019	291,195	$100,162	$317.67	$303.11 - $340.24
Q3 2019	269,787	$101,113	$318.69	$285.79 - $346.38
Q2 2019	266,875	$86,230	$267.26	$236.79 - $292.13
Q1 2019	264,848	$71,403	$243.65	$211.35 - $261.00
Q4 2018	270,275	$66,190	$245.46	$199.36 - $285.49
Q3 2018	264,000	$83,786	$269.78	$253.73 - $287.48
Q2 2018	264,287	$81,321	$291.51	$266.24 - $317.78
Q1 2018	263,123	$91,862	$294.31	$266.13 - $315.68
Q4 2017	272,441	$83,615	$263.02	$251.27 - $273.10
Q3 2017	276,795	$79,639	$234.97	$223.70 - $251.79
Q2 2017	299,165	$76,798	$217.50	$204.18 - $228.88
Q1 2017	331,495	$78,843	$205.77	$193.67 - $215.78
Q4 2016	346,595	$80,611	$200.65	$182.75 - $218.77
Q3 2016	355,895	$76,144	$186.23	$178.16 - $192.37
Q2 2016	352,895	$78,442	$180.17	$167.24 - $191.50
Q1 2016	395,160	$78,202	$161.05	$148.95 - $170.52
Q4 2015	345,479	$65,230	$155.62	$137.87 - $164.41
Q3 2015	361,284	$59,955	$141.60	$128.46 - $149.14
Q2 2015	353,923	$56,143	$134.61	$127.92 - $140.47
Q1 2015	381,949	$61,479	$133.81	$118.31 - $143.99
Q4 2014	388,231	$57,221	$114.24	$98.32 - $128.02
Q3 2014	407,787	$53,730	$104.60	$97.77 - $111.63
Q2 2014	395,826	$47,353	$99.58	$95.46 - $103.59
Q1 2014	403,826	$49,824	$97.12	$89.29 - $103.07
Q4 2013	401,926	$46,065	$87.28	$75.26 - $95.04
Q3 2013	422,826	$40,278	$74.87	$66.06 - $80.62
Q2 2013	409,800	$33,931	$62.64	$55.45 - $68.16
Q1 2013	412,286	$28,922	$53.29	$51.18 - $56.31