ILLINOIS TOOL WKS INC

Ticker: ITW CUSIP: 452308109 Class: COM

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

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

Q4 2025

Shares 478,226 Value ($000) $117,787 Avg Close $247.57 Range $237.29 - $261.06

Q3 2025

Shares 476,446 Value ($000) $124,238 Avg Close $257.33 Range $242.11 - $267.35

Q2 2025

Shares 468,543 Value ($000) $115,847 Avg Close $237.16 Range $210.69 - $248.54

Q1 2025

Shares 497,519 Value ($000) $123,390 Avg Close $250.69 Range $236.75 - $271.32

Q4 2024

Shares 504,883 Value ($000) $128,018 Avg Close $257.33 Range $244.78 - $270.69

Q3 2024

Shares 507,046 Value ($000) $132,882 Avg Close $237.29 Range $224.45 - $258.13

Q2 2024

Shares 503,913 Value ($000) $119,407 Avg Close $236.81 Range $223.33 - $257.46

Q1 2024

Shares 491,979 Value ($000) $132,013 Avg Close $247.64 Range $237.66 - $258.55

Q4 2023

Shares 489,369 Value ($000) $128,185 Avg Close $227.33 Range $206.29 - $251.34

Q3 2023

Shares 486,746 Value ($000) $112,102 Avg Close $230.07 Range $215.30 - $249.06

Q2 2023

Shares 505,421 Value ($000) $126,436 Avg Close $219.64 Range $203.55 - $237.00

Q1 2023

Shares 531,224 Value ($000) $129,326 Avg Close $217.67 Range $203.17 - $236.30

Q4 2022

Shares 539,062 Value ($000) $118,755 Avg Close $197.50 Range $167.30 - $214.80

Q3 2022

Shares 536,645 Value ($000) $96,945 Avg Close $181.67 Range $159.75 - $200.62

Q2 2022

Shares 549,733 Value ($000) $100,189 Avg Close $182.99 Range $162.17 - $195.56

Q1 2022

Shares 552,624 Value ($000) $115,719 Avg Close $203.67 Range $184.43 - $227.18

Q4 2021

Shares 585,136 Value ($000) $144,412 Avg Close $210.30 Range $184.61 - $225.16

Q3 2021

Shares 567,561 Value ($000) $117,275 Avg Close $202.90 Range $186.93 - $211.96

Q2 2021

Shares 588,446 Value ($000) $131,553 Avg Close $205.01 Range $194.69 - $216.70

Q1 2021

Shares 607,693 Value ($000) $134,616 Avg Close $184.98 Range $171.80 - $203.76

Q4 2020

Shares 600,690 Value ($000) $122,469 Avg Close $181.01 Range $166.62 - $198.99

Q3 2020

Shares 596,524 Value ($000) $115,254 Avg Close $167.30 Range $151.59 - $178.89

Q2 2020

Shares 589,008 Value ($000) $102,988 Avg Close $142.90 Range $116.56 - $161.60

Q1 2020

Shares 591,151 Value ($000) $84,014 Avg Close $147.58 Range $100.67 - $165.72

Q4 2019

Shares 593,701 Value ($000) $106,647 Avg Close $146.29 Range $126.07 - $157.39

Q3 2019

Shares 556,008 Value ($000) $87,010 Avg Close $130.19 Range $122.69 - $138.62

Q2 2019

Shares 549,588 Value ($000) $82,883 Avg Close $128.58 Range $116.59 - $135.13

Q1 2019

Shares 556,173 Value ($000) $79,828 Avg Close $117.01 Range $103.65 - $124.26

Q4 2018

Shares 553,008 Value ($000) $70,061 Avg Close $110.50 Range $98.77 - $121.67

Q3 2018

Shares 545,241 Value ($000) $76,944 Avg Close $117.42 Range $111.99 - $124.25

Q2 2018

Shares 550,892 Value ($000) $76,321 Avg Close $122.64 Range $114.08 - $132.71

Q1 2018

Shares 498,185 Value ($000) $78,046 Avg Close $136.85 Range $126.80 - $147.59

Q4 2017

Shares 514,951 Value ($000) $85,920 Avg Close $130.85 Range $121.38 - $139.21

Q3 2017

Shares 523,428 Value ($000) $77,446 Avg Close $116.05 Range $110.22 - $121.46

Q2 2017

Shares 566,674 Value ($000) $81,177 Avg Close $113.32 Range $105.74 - $122.08

Q1 2017

Shares 586,469 Value ($000) $77,690 Avg Close $104.58 Range $97.05 - $109.96

Q4 2016

Shares 613,369 Value ($000) $75,113 Avg Close $97.16 Range $89.66 - $102.92

Q3 2016

Shares 629,769 Value ($000) $75,472 Avg Close $92.87 Range $82.44 - $98.77

Q2 2016

Shares 624,469 Value ($000) $65,045 Avg Close $83.28 Range $78.19 - $87.12

Q1 2016

Shares 635,727 Value ($000) $65,124 Avg Close $73.25 Range $62.61 - $81.90

Q4 2015

Shares 554,451 Value ($000) $51,387 Avg Close $71.40 Range $63.03 - $74.70

Q3 2015

Shares 545,686 Value ($000) $44,915 Avg Close $68.35 Range $61.54 - $73.68

Q2 2015

Shares 546,486 Value ($000) $50,162 Avg Close $73.98 Range $71.31 - $77.64

Q1 2015

Shares 592,948 Value ($000) $57,599 Avg Close $74.54 Range $69.91 - $77.42

Q4 2014

Shares 603,048 Value ($000) $57,109 Avg Close $70.08 Range $60.82 - $75.22

Q3 2014

Shares 630,553 Value ($000) $53,231 Avg Close $66.18 Range $62.50 - $68.52

Q2 2014

Shares 623,574 Value ($000) $54,600 Avg Close $65.43 Range $61.51 - $68.13

Q1 2014

Shares 648,074 Value ($000) $52,708 Avg Close $61.28 Range $57.74 - $63.70

Q4 2013

Shares 683,874 Value ($000) $57,500 Avg Close $59.45 Range $55.46 - $63.85

Q3 2013

Shares 679,174 Value ($000) $51,801 Avg Close $54.78 Range $51.08 - $58.87

Q2 2013

Shares 658,182 Value ($000) $45,526 Avg Close $49.85 Range $44.73 - $53.46

Q1 2013

Shares 700,044 Value ($000) $42,661 Avg Close $46.28 Range $44.22 - $48.58

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	478,226	$117,787	$247.57	$237.29 - $261.06
Q3 2025	476,446	$124,238	$257.33	$242.11 - $267.35
Q2 2025	468,543	$115,847	$237.16	$210.69 - $248.54
Q1 2025	497,519	$123,390	$250.69	$236.75 - $271.32
Q4 2024	504,883	$128,018	$257.33	$244.78 - $270.69
Q3 2024	507,046	$132,882	$237.29	$224.45 - $258.13
Q2 2024	503,913	$119,407	$236.81	$223.33 - $257.46
Q1 2024	491,979	$132,013	$247.64	$237.66 - $258.55
Q4 2023	489,369	$128,185	$227.33	$206.29 - $251.34
Q3 2023	486,746	$112,102	$230.07	$215.30 - $249.06
Q2 2023	505,421	$126,436	$219.64	$203.55 - $237.00
Q1 2023	531,224	$129,326	$217.67	$203.17 - $236.30
Q4 2022	539,062	$118,755	$197.50	$167.30 - $214.80
Q3 2022	536,645	$96,945	$181.67	$159.75 - $200.62
Q2 2022	549,733	$100,189	$182.99	$162.17 - $195.56
Q1 2022	552,624	$115,719	$203.67	$184.43 - $227.18
Q4 2021	585,136	$144,412	$210.30	$184.61 - $225.16
Q3 2021	567,561	$117,275	$202.90	$186.93 - $211.96
Q2 2021	588,446	$131,553	$205.01	$194.69 - $216.70
Q1 2021	607,693	$134,616	$184.98	$171.80 - $203.76
Q4 2020	600,690	$122,469	$181.01	$166.62 - $198.99
Q3 2020	596,524	$115,254	$167.30	$151.59 - $178.89
Q2 2020	589,008	$102,988	$142.90	$116.56 - $161.60
Q1 2020	591,151	$84,014	$147.58	$100.67 - $165.72
Q4 2019	593,701	$106,647	$146.29	$126.07 - $157.39
Q3 2019	556,008	$87,010	$130.19	$122.69 - $138.62
Q2 2019	549,588	$82,883	$128.58	$116.59 - $135.13
Q1 2019	556,173	$79,828	$117.01	$103.65 - $124.26
Q4 2018	553,008	$70,061	$110.50	$98.77 - $121.67
Q3 2018	545,241	$76,944	$117.42	$111.99 - $124.25
Q2 2018	550,892	$76,321	$122.64	$114.08 - $132.71
Q1 2018	498,185	$78,046	$136.85	$126.80 - $147.59
Q4 2017	514,951	$85,920	$130.85	$121.38 - $139.21
Q3 2017	523,428	$77,446	$116.05	$110.22 - $121.46
Q2 2017	566,674	$81,177	$113.32	$105.74 - $122.08
Q1 2017	586,469	$77,690	$104.58	$97.05 - $109.96
Q4 2016	613,369	$75,113	$97.16	$89.66 - $102.92
Q3 2016	629,769	$75,472	$92.87	$82.44 - $98.77
Q2 2016	624,469	$65,045	$83.28	$78.19 - $87.12
Q1 2016	635,727	$65,124	$73.25	$62.61 - $81.90
Q4 2015	554,451	$51,387	$71.40	$63.03 - $74.70
Q3 2015	545,686	$44,915	$68.35	$61.54 - $73.68
Q2 2015	546,486	$50,162	$73.98	$71.31 - $77.64
Q1 2015	592,948	$57,599	$74.54	$69.91 - $77.42
Q4 2014	603,048	$57,109	$70.08	$60.82 - $75.22
Q3 2014	630,553	$53,231	$66.18	$62.50 - $68.52
Q2 2014	623,574	$54,600	$65.43	$61.51 - $68.13
Q1 2014	648,074	$52,708	$61.28	$57.74 - $63.70
Q4 2013	683,874	$57,500	$59.45	$55.46 - $63.85
Q3 2013	679,174	$51,801	$54.78	$51.08 - $58.87
Q2 2013	658,182	$45,526	$49.85	$44.73 - $53.46
Q1 2013	700,044	$42,661	$46.28	$44.22 - $48.58