AMETEK INC

Ticker: AME CUSIP: 031100100 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025

Shares 145,576 Value ($000) $29,888 Avg Close $194.36 Range $178.96 - $210.14

Q3 2025

Shares 108,346 Value ($000) $20,369 Avg Close $183.47 Range $173.87 - $191.72

Q2 2025

Shares 326,081 Value ($000) $59,008 Avg Close $171.25 Range $144.31 - $181.98

Q4 2024

Shares 19,219 Value ($000) $3,464 Avg Close $180.74 Range $164.05 - $196.72

Q3 2024

Shares 4,800 Value ($000) $824 Avg Close $165.34 Range $147.57 - $175.64

Q2 2024

Shares 33,959 Value ($000) $5,661 Avg Close $170.82 Range $160.12 - $180.92

Q1 2024

Shares 1,100 Value ($000) $201 Avg Close $170.09 Range $157.22 - $184.21

Q4 2023

Shares 2,300 Value ($000) $379 Avg Close $150.30 Range $134.91 - $163.38

Q3 2022

Shares 231,292 Value ($000) $26,231 Avg Close $117.19 Range $104.55 - $128.93

Q2 2022

Shares 626,583 Value ($000) $68,855 Avg Close $118.61 Range $103.76 - $131.54

Q1 2022

Shares 325,834 Value ($000) $43,395 Avg Close $130.90 Range $118.62 - $143.66

Q4 2021

Shares 320,098 Value ($000) $47,068 Avg Close $133.10 Range $119.01 - $144.20

Q3 2020

Shares 45,787 Value ($000) $4,552 Avg Close $93.31 Range $82.71 - $100.28

Q2 2020

Shares 4,109 Value ($000) $367 Avg Close $80.80 Range $65.49 - $94.35

Q1 2020

Shares 212,963 Value ($000) $15,338 Avg Close $86.70 Range $52.78 - $98.28

Q4 2019

Shares 412,884 Value ($000) $41,182 Avg Close $90.92 Range $81.70 - $96.90

Q3 2019

Shares 208,327 Value ($000) $19,129 Avg Close $84.54 Range $79.16 - $88.39

Q2 2019

Shares 166,995 Value ($000) $15,170 Avg Close $81.95 Range $78.04 - $87.02

Q1 2019

Shares 115,453 Value ($000) $9,579 Avg Close $72.56 Range $62.44 - $79.47

Q4 2018

Shares 18,209 Value ($000) $1,233 Avg Close $68.37 Range $60.26 - $76.51

Q4 2016

Shares 390,898 Value ($000) $18,998 Avg Close $44.57 Range $41.35 - $48.29

Q3 2016

Shares 146,188 Value ($000) $6,985 Avg Close $44.72 Range $40.64 - $47.18

Q2 2016

Shares 355,087 Value ($000) $16,416 Avg Close $45.07 Range $40.62 - $49.28

Q1 2016

Shares 361,746 Value ($000) $18,080 Avg Close $44.56 Range $40.03 - $49.49

Q1 2015

Shares 24,202 Value ($000) $1,272 Avg Close $47.54 Range $44.44 - $50.24

Q2 2014

Shares 8,580 Value ($000) $449 Avg Close $48.56 Range $45.74 - $50.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	145,576	$29,888	$194.36	$178.96 - $210.14
Q3 2025	108,346	$20,369	$183.47	$173.87 - $191.72
Q2 2025	326,081	$59,008	$171.25	$144.31 - $181.98
Q4 2024	19,219	$3,464	$180.74	$164.05 - $196.72
Q3 2024	4,800	$824	$165.34	$147.57 - $175.64
Q2 2024	33,959	$5,661	$170.82	$160.12 - $180.92
Q1 2024	1,100	$201	$170.09	$157.22 - $184.21
Q4 2023	2,300	$379	$150.30	$134.91 - $163.38
Q3 2022	231,292	$26,231	$117.19	$104.55 - $128.93
Q2 2022	626,583	$68,855	$118.61	$103.76 - $131.54
Q1 2022	325,834	$43,395	$130.90	$118.62 - $143.66
Q4 2021	320,098	$47,068	$133.10	$119.01 - $144.20
Q3 2020	45,787	$4,552	$93.31	$82.71 - $100.28
Q2 2020	4,109	$367	$80.80	$65.49 - $94.35
Q1 2020	212,963	$15,338	$86.70	$52.78 - $98.28
Q4 2019	412,884	$41,182	$90.92	$81.70 - $96.90
Q3 2019	208,327	$19,129	$84.54	$79.16 - $88.39
Q2 2019	166,995	$15,170	$81.95	$78.04 - $87.02
Q1 2019	115,453	$9,579	$72.56	$62.44 - $79.47
Q4 2018	18,209	$1,233	$68.37	$60.26 - $76.51
Q4 2016	390,898	$18,998	$44.57	$41.35 - $48.29
Q3 2016	146,188	$6,985	$44.72	$40.64 - $47.18
Q2 2016	355,087	$16,416	$45.07	$40.62 - $49.28
Q1 2016	361,746	$18,080	$44.56	$40.03 - $49.49
Q1 2015	24,202	$1,272	$47.54	$44.44 - $50.24
Q2 2014	8,580	$449	$48.56	$45.74 - $50.36