TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

Zurcher Kantonalbank (Zurich Cantonalbank)'s Holding History (CIK: 0001368163)

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

Q4 2025

Shares 32,996 Value ($000) $43,880 Avg Close $1310.75 Range $1235.69 - $1367.65

Q3 2025

Shares 40,834 Value ($000) $53,820 Avg Close $1364.80 Range $1243.55 - $1519.36

Q2 2025

Shares 47,290 Value ($000) $71,911 Avg Close $1314.14 Range $1107.45 - $1430.11

Q1 2025

Shares 38,871 Value ($000) $53,770 Avg Close $1247.54 Range $1160.54 - $1316.81

Q4 2024

Shares 38,676 Value ($000) $49,013 Avg Close $1229.53 Range $1150.91 - $1333.02

Q3 2024

Shares 35,904 Value ($000) $51,240 Avg Close $1152.37 Range $1042.46 - $1269.97

Q2 2024

Shares 33,694 Value ($000) $43,048 Avg Close $1136.24 Range $1050.85 - $1213.74

Q1 2024

Shares 32,091 Value ($000) $39,523 Avg Close $997.72 Range $861.47 - $1097.97

Q4 2023

Shares 35,850 Value ($000) $36,266 Avg Close $802.78 Range $685.93 - $902.61

Q3 2023

Shares 36,070 Value ($000) $30,412 Avg Close $749.90 Range $712.93 - $803.50

Q2 2023

Shares 35,501 Value ($000) $31,744 Avg Close $676.05 Range $611.15 - $768.93

Q1 2023

Shares 30,216 Value ($000) $22,271 Avg Close $610.68 Range $533.03 - $659.90

Q4 2022

Shares 27,714 Value ($000) $17,450 Avg Close $503.62 Range $427.08 - $554.24

Q3 2022

Shares 15,299 Value ($000) $8,029 Avg Close $502.76 Range $427.88 - $565.18

Q2 2022

Shares 14,085 Value ($000) $7,559 Avg Close $490.58 Range $415.64 - $563.58

Q1 2022

Shares 28,133 Value ($000) $18,330 Avg Close $534.00 Range $477.93 - $569.10

Q4 2021

Shares 23,634 Value ($000) $15,038 Avg Close $520.38 Range $459.39 - $570.21

Q3 2021

Shares 20,822 Value ($000) $13,005 Avg Close $519.19 Range $482.92 - $550.47

Q2 2021

Shares 21,181 Value ($000) $13,710 Avg Close $521.39 Range $479.18 - $571.85

Q1 2021

Shares 19,147 Value ($000) $11,257 Avg Close $489.77 Range $430.01 - $520.29

Q4 2020

Shares 19,749 Value ($000) $12,222 Avg Close $457.04 Range $377.14 - $517.44

Q3 2020

Shares 19,913 Value ($000) $9,461 Avg Close $390.77 Range $336.62 - $439.84

Q2 2020

Shares 16,790 Value ($000) $7,422 Avg Close $314.55 Range $216.10 - $446.79

Q1 2020

Shares 13,094 Value ($000) $4,193 Avg Close $452.74 Range $166.28 - $559.78

Q4 2019

Shares 10,852 Value ($000) $6,077 Avg Close $431.37 Range $390.88 - $473.78

Q3 2019

Shares 14,837 Value ($000) $7,725 Avg Close $392.06 Range $338.00 - $426.07

Q2 2019

Shares 15,080 Value ($000) $7,296 Avg Close $347.24 Range $325.07 - $371.97

Q1 2019

Shares 14,839 Value ($000) $6,737 Avg Close $301.26 Range $241.12 - $338.24

Q4 2018

Shares 14,348 Value ($000) $4,879 Avg Close $254.69 Range $228.13 - $278.59

Q3 2018

Shares 14,208 Value ($000) $5,290 Avg Close $267.24 Range $250.90 - $280.31

Q2 2018

Shares 12,903 Value ($000) $4,453 Avg Close $243.87 Range $221.45 - $258.04

Q1 2018

Shares 10,769 Value ($000) $3,305 Avg Close $218.67 Range $196.90 - $238.53

Q4 2017

Shares 9,885 Value ($000) $2,715 Avg Close $201.62 Range $189.22 - $211.95

Q3 2017

Shares 9,885 Value ($000) $2,527 Avg Close $189.94 Range $179.71 - $201.53

Q2 2017

Shares 9,458 Value ($000) $2,543 Avg Close $173.41 Range $148.53 - $187.86

Q1 2017

Shares 8,984 Value ($000) $1,978 Avg Close $163.01 Range $139.17 - $177.33

Q4 2016

Shares 8,712 Value ($000) $2,169 Avg Close $176.01 Range $160.64 - $189.46

Q3 2016

Shares 8,624 Value ($000) $2,493 Avg Close $175.41 Range $160.79 - $183.97

Q2 2016

Shares 4,648 Value ($000) $1,226 Avg Close $152.60 Range $135.64 - $167.49

Q1 2016

Shares 4,648 Value ($000) $1,024 Avg Close $136.47 Range $112.97 - $145.25

Q4 2015

Shares 4,414 Value ($000) $1,008 Avg Close $140.66 Range $131.38 - $149.06

Q3 2015

Shares 5,082 Value ($000) $1,079 Avg Close $143.01 Range $130.21 - $153.05

Q2 2015

Shares 4,107 Value ($000) $923 Avg Close $140.09 Range $132.07 - $145.10

Q1 2015

Shares 4,107 Value ($000) $898 Avg Close $131.65 Range $121.43 - $141.37

Q4 2014

Shares 3,439 Value ($000) $675 Avg Close $117.83 Range $104.12 - $125.64

Q3 2014

Shares 3,439 Value ($000) $634 Avg Close $111.57 Range $102.95 - $120.15

Q2 2014

Shares 3,152 Value ($000) $527 Avg Close $101.01 Range $93.79 - $108.05

Q1 2014

Shares 3,152 Value ($000) $584 Avg Close $95.29 Range $86.57 - $102.25

Q4 2013

Shares 2,699 Value ($000) $435 Avg Close $81.23 Range $74.58 - $88.80

Q3 2013

Shares 2,438 Value ($000) $338 Avg Close $76.29 Range $70.62 - $81.77

Q2 2013

Shares 2,438 Value ($000) $382 Avg Close $70.58 Range $67.23 - $77.43

Q1 2013

Shares 1,938 Value ($000) $296 Avg Close $66.95 Range $62.56 - $72.02

Q4 2012

Shares 1,618 Value ($000) $221 Avg Close — Range —

Q3 2012

Shares 1,491 Value ($000) $212 Avg Close — Range —

Q2 2012

Shares 1,401 Value ($000) $188 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	32,996	$43,880	$1310.75	$1235.69 - $1367.65
Q3 2025	40,834	$53,820	$1364.80	$1243.55 - $1519.36
Q2 2025	47,290	$71,911	$1314.14	$1107.45 - $1430.11
Q1 2025	38,871	$53,770	$1247.54	$1160.54 - $1316.81
Q4 2024	38,676	$49,013	$1229.53	$1150.91 - $1333.02
Q3 2024	35,904	$51,240	$1152.37	$1042.46 - $1269.97
Q2 2024	33,694	$43,048	$1136.24	$1050.85 - $1213.74
Q1 2024	32,091	$39,523	$997.72	$861.47 - $1097.97
Q4 2023	35,850	$36,266	$802.78	$685.93 - $902.61
Q3 2023	36,070	$30,412	$749.90	$712.93 - $803.50
Q2 2023	35,501	$31,744	$676.05	$611.15 - $768.93
Q1 2023	30,216	$22,271	$610.68	$533.03 - $659.90
Q4 2022	27,714	$17,450	$503.62	$427.08 - $554.24
Q3 2022	15,299	$8,029	$502.76	$427.88 - $565.18
Q2 2022	14,085	$7,559	$490.58	$415.64 - $563.58
Q1 2022	28,133	$18,330	$534.00	$477.93 - $569.10
Q4 2021	23,634	$15,038	$520.38	$459.39 - $570.21
Q3 2021	20,822	$13,005	$519.19	$482.92 - $550.47
Q2 2021	21,181	$13,710	$521.39	$479.18 - $571.85
Q1 2021	19,147	$11,257	$489.77	$430.01 - $520.29
Q4 2020	19,749	$12,222	$457.04	$377.14 - $517.44
Q3 2020	19,913	$9,461	$390.77	$336.62 - $439.84
Q2 2020	16,790	$7,422	$314.55	$216.10 - $446.79
Q1 2020	13,094	$4,193	$452.74	$166.28 - $559.78
Q4 2019	10,852	$6,077	$431.37	$390.88 - $473.78
Q3 2019	14,837	$7,725	$392.06	$338.00 - $426.07
Q2 2019	15,080	$7,296	$347.24	$325.07 - $371.97
Q1 2019	14,839	$6,737	$301.26	$241.12 - $338.24
Q4 2018	14,348	$4,879	$254.69	$228.13 - $278.59
Q3 2018	14,208	$5,290	$267.24	$250.90 - $280.31
Q2 2018	12,903	$4,453	$243.87	$221.45 - $258.04
Q1 2018	10,769	$3,305	$218.67	$196.90 - $238.53
Q4 2017	9,885	$2,715	$201.62	$189.22 - $211.95
Q3 2017	9,885	$2,527	$189.94	$179.71 - $201.53
Q2 2017	9,458	$2,543	$173.41	$148.53 - $187.86
Q1 2017	8,984	$1,978	$163.01	$139.17 - $177.33
Q4 2016	8,712	$2,169	$176.01	$160.64 - $189.46
Q3 2016	8,624	$2,493	$175.41	$160.79 - $183.97
Q2 2016	4,648	$1,226	$152.60	$135.64 - $167.49
Q1 2016	4,648	$1,024	$136.47	$112.97 - $145.25
Q4 2015	4,414	$1,008	$140.66	$131.38 - $149.06
Q3 2015	5,082	$1,079	$143.01	$130.21 - $153.05
Q2 2015	4,107	$923	$140.09	$132.07 - $145.10
Q1 2015	4,107	$898	$131.65	$121.43 - $141.37
Q4 2014	3,439	$675	$117.83	$104.12 - $125.64
Q3 2014	3,439	$634	$111.57	$102.95 - $120.15
Q2 2014	3,152	$527	$101.01	$93.79 - $108.05
Q1 2014	3,152	$584	$95.29	$86.57 - $102.25
Q4 2013	2,699	$435	$81.23	$74.58 - $88.80
Q3 2013	2,438	$338	$76.29	$70.62 - $81.77
Q2 2013	2,438	$382	$70.58	$67.23 - $77.43
Q1 2013	1,938	$296	$66.95	$62.56 - $72.02
Q4 2012	1,618	$221	—	—
Q3 2012	1,491	$212	—	—
Q2 2012	1,401	$188	—	—