WEST PHARMACEUTICAL SVSC INC

Ticker: WST CUSIP: 955306105 Class: EQTY

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

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

Q4 2025

Shares 35,625 Value ($000) $9,802 Avg Close $273.43 Range $253.32 - $322.08

Q3 2025

Shares 800 Value ($000) $210 Avg Close $242.79 Range $206.46 - $290.53

Q2 2025

Shares 62,526 Value ($000) $13,681 Avg Close $213.36 Range $186.94 - $229.90

Q1 2025

Shares 166,099 Value ($000) $37,186 Avg Close $274.80 Range $196.50 - $347.77

Q4 2024

Shares 227,265 Value ($000) $74,443 Avg Close $313.59 Range $279.91 - $350.96

Q3 2024

Shares 128,259 Value ($000) $38,498 Avg Close $304.99 Range $263.80 - $333.82

Q2 2024

Shares 47,979 Value ($000) $15,804 Avg Close $351.74 Range $308.59 - $394.74

Q1 2024

Shares 375,678 Value ($000) $148,660 Avg Close $367.98 Range $324.09 - $411.60

Q4 2023

Shares 63,147 Value ($000) $22,235 Avg Close $351.82 Range $308.49 - $391.98

Q3 2023

Shares 153,761 Value ($000) $57,693 Avg Close $384.28 Range $348.41 - $413.15

Q2 2023

Shares 38,767 Value ($000) $14,827 Avg Close $354.80 Range $327.94 - $384.53

Q1 2023

Shares 58,039 Value ($000) $20,109 Avg Close $290.04 Range $223.87 - $346.10

Q4 2022

Shares 1,056 Value ($000) $249 Avg Close $235.00 Range $204.38 - $262.37

Q3 2022

Shares 113,177 Value ($000) $27,848 Avg Close $301.94 Range $242.57 - $344.20

Q2 2022

Shares 25,543 Value ($000) $7,723 Avg Close $322.31 Range $273.30 - $419.82

Q4 2021

Shares 199 Value ($000) $93 Avg Close $425.92 Range $394.87 - $470.10

Q3 2021

Shares 249,099 Value ($000) $105,753 Avg Close $416.99 Range $355.08 - $470.24

Q2 2021

Shares 155,316 Value ($000) $55,774 Avg Close $326.67 Range $275.63 - $360.44

Q3 2020

Shares 10,445 Value ($000) $2,872 Avg Close $261.19 Range $219.97 - $284.94

Q2 2020

Shares 12,212 Value ($000) $2,774 Avg Close $193.81 Range $143.68 - $224.89

Q4 2019

Shares 10,825 Value ($000) $1,627 Avg Close $143.32 Range $134.47 - $149.78

Q3 2019

Shares 28,751 Value ($000) $4,078 Avg Close $135.38 Range $118.14 - $149.59

Q1 2019

Shares 80,140 Value ($000) $8,831 Avg Close $102.01 Range $91.18 - $108.30

Q3 2018

Shares 99,369 Value ($000) $12,269 Avg Close $109.69 Range $94.87 - $121.81

Q2 2018

Shares 13,905 Value ($000) $1,381 Avg Close $89.91 Range $80.71 - $99.79

Q2 2016

Shares 8,500 Value ($000) $645 Avg Close $70.21 Range $65.91 - $74.99

Q1 2016

Shares 36,438 Value ($000) $2,526 Avg Close $57.94 Range $51.90 - $67.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	35,625	$9,802	$273.43	$253.32 - $322.08
Q3 2025	800	$210	$242.79	$206.46 - $290.53
Q2 2025	62,526	$13,681	$213.36	$186.94 - $229.90
Q1 2025	166,099	$37,186	$274.80	$196.50 - $347.77
Q4 2024	227,265	$74,443	$313.59	$279.91 - $350.96
Q3 2024	128,259	$38,498	$304.99	$263.80 - $333.82
Q2 2024	47,979	$15,804	$351.74	$308.59 - $394.74
Q1 2024	375,678	$148,660	$367.98	$324.09 - $411.60
Q4 2023	63,147	$22,235	$351.82	$308.49 - $391.98
Q3 2023	153,761	$57,693	$384.28	$348.41 - $413.15
Q2 2023	38,767	$14,827	$354.80	$327.94 - $384.53
Q1 2023	58,039	$20,109	$290.04	$223.87 - $346.10
Q4 2022	1,056	$249	$235.00	$204.38 - $262.37
Q3 2022	113,177	$27,848	$301.94	$242.57 - $344.20
Q2 2022	25,543	$7,723	$322.31	$273.30 - $419.82
Q4 2021	199	$93	$425.92	$394.87 - $470.10
Q3 2021	249,099	$105,753	$416.99	$355.08 - $470.24
Q2 2021	155,316	$55,774	$326.67	$275.63 - $360.44
Q3 2020	10,445	$2,872	$261.19	$219.97 - $284.94
Q2 2020	12,212	$2,774	$193.81	$143.68 - $224.89
Q4 2019	10,825	$1,627	$143.32	$134.47 - $149.78
Q3 2019	28,751	$4,078	$135.38	$118.14 - $149.59
Q1 2019	80,140	$8,831	$102.01	$91.18 - $108.30
Q3 2018	99,369	$12,269	$109.69	$94.87 - $121.81
Q2 2018	13,905	$1,381	$89.91	$80.71 - $99.79
Q2 2016	8,500	$645	$70.21	$65.91 - $74.99
Q1 2016	36,438	$2,526	$57.94	$51.90 - $67.04