TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

Capital World Investors's Holding History (CIK: 0001422849)

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

Q4 2025

Shares 3,954,512 Value ($000) $5,258,898 Avg Close $1310.75 Range $1235.69 - $1367.65

Q3 2025

Shares 3,938,687 Value ($000) $5,191,256 Avg Close $1364.80 Range $1243.55 - $1519.36

Q2 2025

Shares 3,970,528 Value ($000) $6,037,743 Avg Close $1314.14 Range $1107.45 - $1430.11

Q1 2025

Shares 3,929,539 Value ($000) $5,435,691 Avg Close $1247.54 Range $1160.54 - $1316.81

Q4 2024

Shares 3,791,927 Value ($000) $4,805,434 Avg Close $1229.53 Range $1150.91 - $1333.02

Q3 2024

Shares 3,636,386 Value ($000) $5,189,596 Avg Close $1152.37 Range $1042.46 - $1269.97

Q2 2024

Shares 3,536,421 Value ($000) $4,518,167 Avg Close $1136.24 Range $1050.85 - $1213.74

Q1 2024

Shares 3,535,539 Value ($000) $4,354,369 Avg Close $997.72 Range $861.47 - $1097.97

Q4 2023

Shares 3,093,357 Value ($000) $3,129,240 Avg Close $802.78 Range $685.93 - $902.61

Q3 2023

Shares 2,973,299 Value ($000) $2,506,878 Avg Close $749.90 Range $712.93 - $803.50

Q2 2023

Shares 2,206,880 Value ($000) $1,973,326 Avg Close $676.05 Range $611.15 - $768.93

Q1 2023

Shares 1,871,546 Value ($000) $1,379,423 Avg Close $610.68 Range $533.03 - $659.90

Q4 2022

Shares 876,291 Value ($000) $551,757 Avg Close $503.62 Range $427.08 - $554.24

Q3 2022

Shares 867,067 Value ($000) $455,054 Avg Close $502.76 Range $427.88 - $565.18

Q2 2022

Shares 804,973 Value ($000) $432,005 Avg Close $490.58 Range $415.64 - $563.58

Q1 2022

Shares 820,913 Value ($000) $534,858 Avg Close $534.00 Range $477.93 - $569.10

Q4 2021

Shares 821,480 Value ($000) $522,691 Avg Close $520.38 Range $459.39 - $570.21

Q3 2021

Shares 848,640 Value ($000) $530,035 Avg Close $519.19 Range $482.92 - $550.47

Q2 2021

Shares 855,487 Value ($000) $553,748 Avg Close $521.39 Range $479.18 - $571.85

Q1 2021

Shares 849,360 Value ($000) $499,356 Avg Close $489.77 Range $430.01 - $520.29

Q4 2020

Shares 849,472 Value ($000) $525,696 Avg Close $457.04 Range $377.14 - $517.44

Q3 2020

Shares 945,261 Value ($000) $449,112 Avg Close $390.77 Range $336.62 - $439.84

Q2 2020

Shares 2,030,110 Value ($000) $897,410 Avg Close $314.55 Range $216.10 - $446.79

Q1 2020

Shares 2,159,667 Value ($000) $691,504 Avg Close $452.74 Range $166.28 - $559.78

Q4 2019

Shares 2,834,900 Value ($000) $1,587,544 Avg Close $431.37 Range $390.88 - $473.78

Q3 2019

Shares 2,631,879 Value ($000) $1,370,340 Avg Close $392.06 Range $338.00 - $426.07

Q2 2019

Shares 2,661,447 Value ($000) $1,287,608 Avg Close $347.24 Range $325.07 - $371.97

Q1 2019

Shares 2,590,026 Value ($000) $1,175,846 Avg Close $301.26 Range $241.12 - $338.24

Q4 2018

Shares 2,785,628 Value ($000) $947,281 Avg Close $254.69 Range $228.13 - $278.59

Q3 2018

Shares 2,694,628 Value ($000) $1,003,210 Avg Close $267.24 Range $250.90 - $280.31

Q2 2018

Shares 5,351,655 Value ($000) $1,847,070 Avg Close $243.87 Range $221.45 - $258.04

Q1 2018

Shares 5,351,600 Value ($000) $1,642,620 Avg Close $218.67 Range $196.90 - $238.53

Q4 2017

Shares 5,454,600 Value ($000) $1,497,942 Avg Close $201.62 Range $189.22 - $211.95

Q3 2017

Shares 5,413,500 Value ($000) $1,383,961 Avg Close $189.94 Range $179.71 - $201.53

Q2 2017

Shares 5,501,700 Value ($000) $1,479,242 Avg Close $173.41 Range $148.53 - $187.86

Q1 2017

Shares 5,526,700 Value ($000) $1,216,758 Avg Close $163.01 Range $139.17 - $177.33

Q4 2016

Shares 4,162,900 Value ($000) $1,036,396 Avg Close $176.01 Range $160.64 - $189.46

Q3 2016

Shares 3,888,100 Value ($000) $1,124,127 Avg Close $175.41 Range $160.79 - $183.97

Q2 2016

Shares 3,836,100 Value ($000) $1,011,541 Avg Close $152.60 Range $135.64 - $167.49

Q1 2016

Shares 3,836,100 Value ($000) $845,246 Avg Close $136.47 Range $112.97 - $145.25

Q4 2015

Shares 3,506,500 Value ($000) $801,060 Avg Close $140.66 Range $131.38 - $149.06

Q3 2015

Shares 3,305,000 Value ($000) $702,015 Avg Close $143.01 Range $130.21 - $153.05

Q2 2015

Shares 3,254,500 Value ($000) $731,189 Avg Close $140.09 Range $132.07 - $145.10

Q1 2015

Shares 3,137,500 Value ($000) $686,234 Avg Close $131.65 Range $121.43 - $141.37

Q4 2014

Shares 3,102,500 Value ($000) $609,176 Avg Close $117.83 Range $104.12 - $125.64

Q3 2014

Shares 2,888,958 Value ($000) $532,522 Avg Close $111.57 Range $102.95 - $120.15

Q2 2014

Shares 2,792,500 Value ($000) $467,074 Avg Close $101.01 Range $93.79 - $108.05

Q1 2014

Shares 2,072,500 Value ($000) $383,827 Avg Close $95.29 Range $86.57 - $102.25

Q4 2013

Shares 294,500 Value ($000) $47,420 Avg Close $81.23 Range $74.58 - $88.80

Q3 2013

Shares 842,385 Value ($000) $116,839 Avg Close $76.29 Range $70.62 - $81.77

Q2 2013

Shares 190,000 Value ($000) $29,786 Avg Close $70.58 Range $67.23 - $77.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,954,512	$5,258,898	$1310.75	$1235.69 - $1367.65
Q3 2025	3,938,687	$5,191,256	$1364.80	$1243.55 - $1519.36
Q2 2025	3,970,528	$6,037,743	$1314.14	$1107.45 - $1430.11
Q1 2025	3,929,539	$5,435,691	$1247.54	$1160.54 - $1316.81
Q4 2024	3,791,927	$4,805,434	$1229.53	$1150.91 - $1333.02
Q3 2024	3,636,386	$5,189,596	$1152.37	$1042.46 - $1269.97
Q2 2024	3,536,421	$4,518,167	$1136.24	$1050.85 - $1213.74
Q1 2024	3,535,539	$4,354,369	$997.72	$861.47 - $1097.97
Q4 2023	3,093,357	$3,129,240	$802.78	$685.93 - $902.61
Q3 2023	2,973,299	$2,506,878	$749.90	$712.93 - $803.50
Q2 2023	2,206,880	$1,973,326	$676.05	$611.15 - $768.93
Q1 2023	1,871,546	$1,379,423	$610.68	$533.03 - $659.90
Q4 2022	876,291	$551,757	$503.62	$427.08 - $554.24
Q3 2022	867,067	$455,054	$502.76	$427.88 - $565.18
Q2 2022	804,973	$432,005	$490.58	$415.64 - $563.58
Q1 2022	820,913	$534,858	$534.00	$477.93 - $569.10
Q4 2021	821,480	$522,691	$520.38	$459.39 - $570.21
Q3 2021	848,640	$530,035	$519.19	$482.92 - $550.47
Q2 2021	855,487	$553,748	$521.39	$479.18 - $571.85
Q1 2021	849,360	$499,356	$489.77	$430.01 - $520.29
Q4 2020	849,472	$525,696	$457.04	$377.14 - $517.44
Q3 2020	945,261	$449,112	$390.77	$336.62 - $439.84
Q2 2020	2,030,110	$897,410	$314.55	$216.10 - $446.79
Q1 2020	2,159,667	$691,504	$452.74	$166.28 - $559.78
Q4 2019	2,834,900	$1,587,544	$431.37	$390.88 - $473.78
Q3 2019	2,631,879	$1,370,340	$392.06	$338.00 - $426.07
Q2 2019	2,661,447	$1,287,608	$347.24	$325.07 - $371.97
Q1 2019	2,590,026	$1,175,846	$301.26	$241.12 - $338.24
Q4 2018	2,785,628	$947,281	$254.69	$228.13 - $278.59
Q3 2018	2,694,628	$1,003,210	$267.24	$250.90 - $280.31
Q2 2018	5,351,655	$1,847,070	$243.87	$221.45 - $258.04
Q1 2018	5,351,600	$1,642,620	$218.67	$196.90 - $238.53
Q4 2017	5,454,600	$1,497,942	$201.62	$189.22 - $211.95
Q3 2017	5,413,500	$1,383,961	$189.94	$179.71 - $201.53
Q2 2017	5,501,700	$1,479,242	$173.41	$148.53 - $187.86
Q1 2017	5,526,700	$1,216,758	$163.01	$139.17 - $177.33
Q4 2016	4,162,900	$1,036,396	$176.01	$160.64 - $189.46
Q3 2016	3,888,100	$1,124,127	$175.41	$160.79 - $183.97
Q2 2016	3,836,100	$1,011,541	$152.60	$135.64 - $167.49
Q1 2016	3,836,100	$845,246	$136.47	$112.97 - $145.25
Q4 2015	3,506,500	$801,060	$140.66	$131.38 - $149.06
Q3 2015	3,305,000	$702,015	$143.01	$130.21 - $153.05
Q2 2015	3,254,500	$731,189	$140.09	$132.07 - $145.10
Q1 2015	3,137,500	$686,234	$131.65	$121.43 - $141.37
Q4 2014	3,102,500	$609,176	$117.83	$104.12 - $125.64
Q3 2014	2,888,958	$532,522	$111.57	$102.95 - $120.15
Q2 2014	2,792,500	$467,074	$101.01	$93.79 - $108.05
Q1 2014	2,072,500	$383,827	$95.29	$86.57 - $102.25
Q4 2013	294,500	$47,420	$81.23	$74.58 - $88.80
Q3 2013	842,385	$116,839	$76.29	$70.62 - $81.77
Q2 2013	190,000	$29,786	$70.58	$67.23 - $77.43