WEST PHARMACEUTICAL SVSC INC

Ticker: WST CUSIP: 955306105 Class: EQTY

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2025

Shares 272,192 Value ($000) $74,891 Avg Close $273.43 Range $253.32 - $322.08

Q3 2025

Shares 242,942 Value ($000) $63,731 Avg Close $242.79 Range $206.46 - $290.53

Q2 2025

Shares 243,720 Value ($000) $53,326 Avg Close $213.36 Range $186.94 - $229.90

Q1 2025

Shares 236,797 Value ($000) $53,014 Avg Close $274.80 Range $196.50 - $347.77

Q4 2024

Shares 219,086 Value ($000) $71,764 Avg Close $313.59 Range $279.91 - $350.96

Q3 2024

Shares 219,054 Value ($000) $65,751 Avg Close $304.99 Range $263.80 - $333.82

Q2 2024

Shares 217,809 Value ($000) $71,744 Avg Close $351.74 Range $308.59 - $394.74

Q1 2024

Shares 212,987 Value ($000) $84,281 Avg Close $367.98 Range $324.09 - $411.60

Q4 2023

Shares 205,913 Value ($000) $72,506 Avg Close $351.82 Range $308.49 - $391.98

Q3 2023

Shares 209,435 Value ($000) $78,582 Avg Close $384.28 Range $348.41 - $413.15

Q2 2023

Shares 210,541 Value ($000) $80,526 Avg Close $354.80 Range $327.94 - $384.53

Q1 2023

Shares 208,236 Value ($000) $72 Avg Close $290.04 Range $223.87 - $346.10

Q4 2022

Shares 209,926 Value ($000) $49 Avg Close $235.00 Range $204.38 - $262.37

Q3 2022

Shares 202,143 Value ($000) $49,743 Avg Close $301.94 Range $242.57 - $344.20

Q2 2022

Shares 197,400 Value ($000) $59,688 Avg Close $322.31 Range $273.30 - $419.82

Q1 2022

Shares 186,198 Value ($000) $76,473 Avg Close $387.59 Range $345.71 - $463.22

Q4 2021

Shares 183,519 Value ($000) $86,072 Avg Close $425.92 Range $394.87 - $470.10

Q3 2021

Shares 157,749 Value ($000) $66,971 Avg Close $416.99 Range $355.08 - $470.24

Q2 2021

Shares 159,969 Value ($000) $57,445 Avg Close $326.67 Range $275.63 - $360.44

Q1 2021

Shares 165,145 Value ($000) $46,535 Avg Close $282.81 Range $250.88 - $308.28

Q4 2020

Shares 168,337 Value ($000) $47,692 Avg Close $277.09 Range $256.63 - $301.25

Q3 2020

Shares 193,095 Value ($000) $53,082 Avg Close $261.19 Range $219.97 - $284.94

Q2 2020

Shares 220,765 Value ($000) $50,151 Avg Close $193.81 Range $143.68 - $224.89

Q1 2020

Shares 257,859 Value ($000) $39,259 Avg Close $151.68 Range $122.74 - $174.12

Q4 2019

Shares 244,854 Value ($000) $36,809 Avg Close $143.32 Range $134.47 - $149.78

Q3 2019

Shares 245,874 Value ($000) $34,870 Avg Close $135.38 Range $118.14 - $149.59

Q2 2019

Shares 249,131 Value ($000) $31,179 Avg Close $115.92 Range $107.93 - $123.63

Q1 2019

Shares 238,113 Value ($000) $26,240 Avg Close $102.01 Range $91.18 - $108.30

Q4 2018

Shares 249,152 Value ($000) $24,424 Avg Close $106.26 Range $89.88 - $122.38

Q3 2018

Shares 185,771 Value ($000) $22,937 Avg Close $109.69 Range $94.87 - $121.81

Q2 2018

Shares 180,061 Value ($000) $17,878 Avg Close $89.91 Range $80.71 - $99.79

Q1 2018

Shares 187,897 Value ($000) $16,589 Avg Close $91.22 Range $82.65 - $100.27

Q4 2017

Shares 172,339 Value ($000) $17,005 Avg Close $95.48 Range $87.44 - $100.68

Q3 2017

Shares 182,042 Value ($000) $17,523 Avg Close $87.99 Range $77.83 - $94.16

Q2 2017

Shares 163,565 Value ($000) $15,460 Avg Close $89.32 Range $75.60 - $97.04

Q1 2017

Shares 160,677 Value ($000) $13,113 Avg Close $81.07 Range $76.66 - $85.49

Q4 2016

Shares 156,315 Value ($000) $13,260 Avg Close $76.11 Range $67.94 - $83.75

Q3 2016

Shares 149,295 Value ($000) $11,122 Avg Close $76.71 Range $68.84 - $81.50

Q2 2016

Shares 140,321 Value ($000) $10,648 Avg Close $70.21 Range $65.91 - $74.99

Q1 2016

Shares 150,205 Value ($000) $10,412 Avg Close $57.94 Range $51.90 - $67.04

Q4 2015

Shares 189,775 Value ($000) $11,428 Avg Close $57.81 Range $50.64 - $62.09

Q3 2015

Shares 186,675 Value ($000) $10,103 Avg Close $55.88 Range $50.94 - $59.21

Q2 2015

Shares 153,350 Value ($000) $8,907 Avg Close $53.43 Range $50.49 - $57.34

Q1 2015

Shares 159,370 Value ($000) $9,596 Avg Close $50.91 Range $46.50 - $57.62

Q4 2014

Shares 153,510 Value ($000) $8,173 Avg Close $47.68 Range $41.37 - $52.72

Q3 2014

Shares 158,824 Value ($000) $7,109 Avg Close $40.40 Range $37.20 - $43.21

Q2 2014

Shares 147,149 Value ($000) $6,207 Avg Close $40.62 Range $38.84 - $43.29

Q1 2014

Shares 153,470 Value ($000) $6,760 Avg Close $44.55 Range $39.20 - $48.39

Q4 2013

Shares 170,404 Value ($000) $8,360 Avg Close $44.20 Range $37.35 - $47.81

Q3 2013

Shares 169,494 Value ($000) $6,975 Avg Close $35.94 Range $33.14 - $39.16

Q2 2013

Shares 60,458 Value ($000) $4,248 Avg Close $30.93 Range $29.01 - $33.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	272,192	$74,891	$273.43	$253.32 - $322.08
Q3 2025	242,942	$63,731	$242.79	$206.46 - $290.53
Q2 2025	243,720	$53,326	$213.36	$186.94 - $229.90
Q1 2025	236,797	$53,014	$274.80	$196.50 - $347.77
Q4 2024	219,086	$71,764	$313.59	$279.91 - $350.96
Q3 2024	219,054	$65,751	$304.99	$263.80 - $333.82
Q2 2024	217,809	$71,744	$351.74	$308.59 - $394.74
Q1 2024	212,987	$84,281	$367.98	$324.09 - $411.60
Q4 2023	205,913	$72,506	$351.82	$308.49 - $391.98
Q3 2023	209,435	$78,582	$384.28	$348.41 - $413.15
Q2 2023	210,541	$80,526	$354.80	$327.94 - $384.53
Q1 2023	208,236	$72	$290.04	$223.87 - $346.10
Q4 2022	209,926	$49	$235.00	$204.38 - $262.37
Q3 2022	202,143	$49,743	$301.94	$242.57 - $344.20
Q2 2022	197,400	$59,688	$322.31	$273.30 - $419.82
Q1 2022	186,198	$76,473	$387.59	$345.71 - $463.22
Q4 2021	183,519	$86,072	$425.92	$394.87 - $470.10
Q3 2021	157,749	$66,971	$416.99	$355.08 - $470.24
Q2 2021	159,969	$57,445	$326.67	$275.63 - $360.44
Q1 2021	165,145	$46,535	$282.81	$250.88 - $308.28
Q4 2020	168,337	$47,692	$277.09	$256.63 - $301.25
Q3 2020	193,095	$53,082	$261.19	$219.97 - $284.94
Q2 2020	220,765	$50,151	$193.81	$143.68 - $224.89
Q1 2020	257,859	$39,259	$151.68	$122.74 - $174.12
Q4 2019	244,854	$36,809	$143.32	$134.47 - $149.78
Q3 2019	245,874	$34,870	$135.38	$118.14 - $149.59
Q2 2019	249,131	$31,179	$115.92	$107.93 - $123.63
Q1 2019	238,113	$26,240	$102.01	$91.18 - $108.30
Q4 2018	249,152	$24,424	$106.26	$89.88 - $122.38
Q3 2018	185,771	$22,937	$109.69	$94.87 - $121.81
Q2 2018	180,061	$17,878	$89.91	$80.71 - $99.79
Q1 2018	187,897	$16,589	$91.22	$82.65 - $100.27
Q4 2017	172,339	$17,005	$95.48	$87.44 - $100.68
Q3 2017	182,042	$17,523	$87.99	$77.83 - $94.16
Q2 2017	163,565	$15,460	$89.32	$75.60 - $97.04
Q1 2017	160,677	$13,113	$81.07	$76.66 - $85.49
Q4 2016	156,315	$13,260	$76.11	$67.94 - $83.75
Q3 2016	149,295	$11,122	$76.71	$68.84 - $81.50
Q2 2016	140,321	$10,648	$70.21	$65.91 - $74.99
Q1 2016	150,205	$10,412	$57.94	$51.90 - $67.04
Q4 2015	189,775	$11,428	$57.81	$50.64 - $62.09
Q3 2015	186,675	$10,103	$55.88	$50.94 - $59.21
Q2 2015	153,350	$8,907	$53.43	$50.49 - $57.34
Q1 2015	159,370	$9,596	$50.91	$46.50 - $57.62
Q4 2014	153,510	$8,173	$47.68	$41.37 - $52.72
Q3 2014	158,824	$7,109	$40.40	$37.20 - $43.21
Q2 2014	147,149	$6,207	$40.62	$38.84 - $43.29
Q1 2014	153,470	$6,760	$44.55	$39.20 - $48.39
Q4 2013	170,404	$8,360	$44.20	$37.35 - $47.81
Q3 2013	169,494	$6,975	$35.94	$33.14 - $39.16
Q2 2013	60,458	$4,248	$30.93	$29.01 - $33.33