TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q4 2025

Shares 1,246 Value ($000) $1,657 Avg Close $1310.75 Range $1235.69 - $1367.65

Q3 2025

Shares 1,182 Value ($000) $1,558 Avg Close $1364.80 Range $1243.55 - $1519.36

Q2 2025

Shares 1,174 Value ($000) $1,785 Avg Close $1314.14 Range $1107.45 - $1430.11

Q1 2025

Shares 1,185 Value ($000) $1,639 Avg Close $1247.54 Range $1160.54 - $1316.81

Q4 2024

Shares 1,127 Value ($000) $1,428 Avg Close $1229.53 Range $1150.91 - $1333.02

Q3 2024

Shares 1,098 Value ($000) $1,567 Avg Close $1152.37 Range $1042.46 - $1269.97

Q2 2024

Shares 1,234 Value ($000) $1,577 Avg Close $1136.24 Range $1050.85 - $1213.74

Q1 2024

Shares 1,264 Value ($000) $1,557 Avg Close $997.72 Range $861.47 - $1097.97

Q4 2023

Shares 1,378 Value ($000) $1,394 Avg Close $802.78 Range $685.93 - $902.61

Q3 2023

Shares 1,473 Value ($000) $1,242 Avg Close $749.90 Range $712.93 - $803.50

Q2 2023

Shares 1,554 Value ($000) $1,390 Avg Close $676.05 Range $611.15 - $768.93

Q1 2023

Shares 1,574 Value ($000) $1,160 Avg Close $610.68 Range $533.03 - $659.90

Q4 2022

Shares 1,571 Value ($000) $989 Avg Close $503.62 Range $427.08 - $554.24

Q2 2022

Shares 1,598 Value ($000) $858 Avg Close $490.58 Range $415.64 - $563.58

Q1 2022

Shares 1,596 Value ($000) $1,040 Avg Close $534.00 Range $477.93 - $569.10

Q4 2021

Shares 26,299 Value ($000) $16,734 Avg Close $520.38 Range $459.39 - $570.21

Q3 2021

Shares 26,357 Value ($000) $16,462 Avg Close $519.19 Range $482.92 - $550.47

Q2 2021

Shares 26,385 Value ($000) $17,079 Avg Close $521.39 Range $479.18 - $571.85

Q1 2021

Shares 26,416 Value ($000) $15,530 Avg Close $489.77 Range $430.01 - $520.29

Q4 2020

Shares 26,412 Value ($000) $16,345 Avg Close $457.04 Range $377.14 - $517.44

Q3 2020

Shares 35,091 Value ($000) $16,672 Avg Close $390.77 Range $336.62 - $439.84

Q2 2020

Shares 36,025 Value ($000) $15,925 Avg Close $314.55 Range $216.10 - $446.79

Q1 2020

Shares 36,416 Value ($000) $11,660 Avg Close $452.74 Range $166.28 - $559.78

Q4 2019

Shares 36,372 Value ($000) $20,368 Avg Close $431.37 Range $390.88 - $473.78

Q3 2019

Shares 37,658 Value ($000) $19,607 Avg Close $392.06 Range $338.00 - $426.07

Q2 2019

Shares 39,177 Value ($000) $18,954 Avg Close $347.24 Range $325.07 - $371.97

Q1 2019

Shares 39,267 Value ($000) $17,827 Avg Close $301.26 Range $241.12 - $338.24

Q4 2018

Shares 45,686 Value ($000) $15,536 Avg Close $254.69 Range $228.13 - $278.59

Q3 2018

Shares 45,761 Value ($000) $17,037 Avg Close $267.24 Range $250.90 - $280.31

Q2 2018

Shares 45,810 Value ($000) $15,811 Avg Close $243.87 Range $221.45 - $258.04

Q1 2018

Shares 48,111 Value ($000) $14,767 Avg Close $218.67 Range $196.90 - $238.53

Q4 2017

Shares 53,031 Value ($000) $14,563 Avg Close $201.62 Range $189.22 - $211.95

Q3 2017

Shares 52,785 Value ($000) $13,494 Avg Close $189.94 Range $179.71 - $201.53

Q2 2017

Shares 54,861 Value ($000) $14,750 Avg Close $173.41 Range $148.53 - $187.86

Q1 2017

Shares 54,688 Value ($000) $12,040 Avg Close $163.01 Range $139.17 - $177.33

Q4 2016

Shares 53,168 Value ($000) $13,237 Avg Close $176.01 Range $160.64 - $189.46

Q3 2016

Shares 61,567 Value ($000) $17,800 Avg Close $175.41 Range $160.79 - $183.97

Q2 2016

Shares 67,882 Value ($000) $17,900 Avg Close $152.60 Range $135.64 - $167.49

Q1 2016

Shares 68,495 Value ($000) $15,092 Avg Close $136.47 Range $112.97 - $145.25

Q4 2015

Shares 58,492 Value ($000) $13,362 Avg Close $140.66 Range $131.38 - $149.06

Q3 2015

Shares 36,385 Value ($000) $7,729 Avg Close $143.01 Range $130.21 - $153.05

Q2 2015

Shares 18,020 Value ($000) $4,049 Avg Close $140.09 Range $132.07 - $145.10

Q1 2015

Shares 1,439 Value ($000) $315 Avg Close $131.65 Range $121.43 - $141.37

Q4 2014

Shares 1,439 Value ($000) $283 Avg Close $117.83 Range $104.12 - $125.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,246	$1,657	$1310.75	$1235.69 - $1367.65
Q3 2025	1,182	$1,558	$1364.80	$1243.55 - $1519.36
Q2 2025	1,174	$1,785	$1314.14	$1107.45 - $1430.11
Q1 2025	1,185	$1,639	$1247.54	$1160.54 - $1316.81
Q4 2024	1,127	$1,428	$1229.53	$1150.91 - $1333.02
Q3 2024	1,098	$1,567	$1152.37	$1042.46 - $1269.97
Q2 2024	1,234	$1,577	$1136.24	$1050.85 - $1213.74
Q1 2024	1,264	$1,557	$997.72	$861.47 - $1097.97
Q4 2023	1,378	$1,394	$802.78	$685.93 - $902.61
Q3 2023	1,473	$1,242	$749.90	$712.93 - $803.50
Q2 2023	1,554	$1,390	$676.05	$611.15 - $768.93
Q1 2023	1,574	$1,160	$610.68	$533.03 - $659.90
Q4 2022	1,571	$989	$503.62	$427.08 - $554.24
Q2 2022	1,598	$858	$490.58	$415.64 - $563.58
Q1 2022	1,596	$1,040	$534.00	$477.93 - $569.10
Q4 2021	26,299	$16,734	$520.38	$459.39 - $570.21
Q3 2021	26,357	$16,462	$519.19	$482.92 - $550.47
Q2 2021	26,385	$17,079	$521.39	$479.18 - $571.85
Q1 2021	26,416	$15,530	$489.77	$430.01 - $520.29
Q4 2020	26,412	$16,345	$457.04	$377.14 - $517.44
Q3 2020	35,091	$16,672	$390.77	$336.62 - $439.84
Q2 2020	36,025	$15,925	$314.55	$216.10 - $446.79
Q1 2020	36,416	$11,660	$452.74	$166.28 - $559.78
Q4 2019	36,372	$20,368	$431.37	$390.88 - $473.78
Q3 2019	37,658	$19,607	$392.06	$338.00 - $426.07
Q2 2019	39,177	$18,954	$347.24	$325.07 - $371.97
Q1 2019	39,267	$17,827	$301.26	$241.12 - $338.24
Q4 2018	45,686	$15,536	$254.69	$228.13 - $278.59
Q3 2018	45,761	$17,037	$267.24	$250.90 - $280.31
Q2 2018	45,810	$15,811	$243.87	$221.45 - $258.04
Q1 2018	48,111	$14,767	$218.67	$196.90 - $238.53
Q4 2017	53,031	$14,563	$201.62	$189.22 - $211.95
Q3 2017	52,785	$13,494	$189.94	$179.71 - $201.53
Q2 2017	54,861	$14,750	$173.41	$148.53 - $187.86
Q1 2017	54,688	$12,040	$163.01	$139.17 - $177.33
Q4 2016	53,168	$13,237	$176.01	$160.64 - $189.46
Q3 2016	61,567	$17,800	$175.41	$160.79 - $183.97
Q2 2016	67,882	$17,900	$152.60	$135.64 - $167.49
Q1 2016	68,495	$15,092	$136.47	$112.97 - $145.25
Q4 2015	58,492	$13,362	$140.66	$131.38 - $149.06
Q3 2015	36,385	$7,729	$143.01	$130.21 - $153.05
Q2 2015	18,020	$4,049	$140.09	$132.07 - $145.10
Q1 2015	1,439	$315	$131.65	$121.43 - $141.37
Q4 2014	1,439	$283	$117.83	$104.12 - $125.64