WEST PHARMACEUTICAL SVSC INC

Ticker: WST CUSIP: 955306105 Class: EQTY

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q4 2025

Shares 48,695 Value ($000) $13 Avg Close $273.43 Range $253.32 - $322.08

Q3 2025

Shares 48,695 Value ($000) $13 Avg Close $242.79 Range $206.46 - $290.53

Q2 2025

Shares 49,722 Value ($000) $11 Avg Close $213.36 Range $186.94 - $229.90

Q1 2025

Shares 49,722 Value ($000) $11 Avg Close $274.80 Range $196.50 - $347.77

Q4 2024

Shares 49,722 Value ($000) $16 Avg Close $313.59 Range $279.91 - $350.96

Q3 2024

Shares 49,828 Value ($000) $15 Avg Close $304.99 Range $263.80 - $333.82

Q2 2024

Shares 59,146 Value ($000) $19 Avg Close $351.74 Range $308.59 - $394.74

Q1 2024

Shares 59,624 Value ($000) $24 Avg Close $367.98 Range $324.09 - $411.60

Q4 2023

Shares 60,020 Value ($000) $21 Avg Close $351.82 Range $308.49 - $391.98

Q3 2023

Shares 60,349 Value ($000) $23 Avg Close $384.28 Range $348.41 - $413.15

Q2 2023

Shares 68,748 Value ($000) $26 Avg Close $354.80 Range $327.94 - $384.53

Q1 2023

Shares 73,954 Value ($000) $26 Avg Close $290.04 Range $223.87 - $346.10

Q4 2022

Shares 73,954 Value ($000) $17 Avg Close $235.00 Range $204.38 - $262.37

Q3 2022

Shares 73,954 Value ($000) $18,199 Avg Close $301.94 Range $242.57 - $344.20

Q2 2022

Shares 73,954 Value ($000) $22,361 Avg Close $322.31 Range $273.30 - $419.82

Q1 2022

Shares 73,954 Value ($000) $30,374 Avg Close $387.59 Range $345.71 - $463.22

Q4 2021

Shares 76,656 Value ($000) $35,952 Avg Close $425.92 Range $394.87 - $470.10

Q3 2021

Shares 80,014 Value ($000) $33,969 Avg Close $416.99 Range $355.08 - $470.24

Q2 2021

Shares 92,996 Value ($000) $33,395 Avg Close $326.67 Range $275.63 - $360.44

Q1 2021

Shares 104,567 Value ($000) $29,465 Avg Close $282.81 Range $250.88 - $308.28

Q4 2020

Shares 109,267 Value ($000) $30,956 Avg Close $277.09 Range $256.63 - $301.25

Q3 2020

Shares 109,535 Value ($000) $30,111 Avg Close $261.19 Range $219.97 - $284.94

Q2 2020

Shares 111,473 Value ($000) $25,323 Avg Close $193.81 Range $143.68 - $224.89

Q1 2020

Shares 106,473 Value ($000) $16,211 Avg Close $151.68 Range $122.74 - $174.12

Q4 2019

Shares 106,222 Value ($000) $15,968 Avg Close $143.32 Range $134.47 - $149.78

Q3 2019

Shares 106,222 Value ($000) $15,064 Avg Close $135.38 Range $118.14 - $149.59

Q2 2019

Shares 146,853 Value ($000) $18,379 Avg Close $115.92 Range $107.93 - $123.63

Q1 2019

Shares 151,661 Value ($000) $16,713 Avg Close $102.01 Range $91.18 - $108.30

Q4 2018

Shares 205,529 Value ($000) $20,148 Avg Close $106.26 Range $89.88 - $122.38

Q3 2018

Shares 228,760 Value ($000) $28,245 Avg Close $109.69 Range $94.87 - $121.81

Q2 2018

Shares 228,774 Value ($000) $22,715 Avg Close $89.91 Range $80.71 - $99.79

Q1 2018

Shares 228,836 Value ($000) $20,204 Avg Close $91.22 Range $82.65 - $100.27

Q4 2017

Shares 229,525 Value ($000) $22,647 Avg Close $95.48 Range $87.44 - $100.68

Q3 2017

Shares 229,059 Value ($000) $22,049 Avg Close $87.99 Range $77.83 - $94.16

Q2 2017

Shares 230,195 Value ($000) $21,758 Avg Close $89.32 Range $75.60 - $97.04

Q1 2017

Shares 209,268 Value ($000) $17,078 Avg Close $81.07 Range $76.66 - $85.49

Q4 2016

Shares 209,624 Value ($000) $17,782 Avg Close $76.11 Range $67.94 - $83.75

Q3 2016

Shares 192,542 Value ($000) $14,344 Avg Close $76.71 Range $68.84 - $81.50

Q2 2016

Shares 170,986 Value ($000) $12,974 Avg Close $70.21 Range $65.91 - $74.99

Q1 2016

Shares 305,738 Value ($000) $21,194 Avg Close $57.94 Range $51.90 - $67.04

Q4 2015

Shares 306,035 Value ($000) $18,429 Avg Close $57.81 Range $50.64 - $62.09

Q3 2015

Shares 306,035 Value ($000) $16,563 Avg Close $55.88 Range $50.94 - $59.21

Q2 2015

Shares 174,093 Value ($000) $10,111 Avg Close $53.43 Range $50.49 - $57.34

Q1 2015

Shares 130,588 Value ($000) $7,863 Avg Close $50.91 Range $46.50 - $57.62

Q4 2014

Shares 126,429 Value ($000) $6,731 Avg Close $47.68 Range $41.37 - $52.72

Q3 2014

Shares 106,429 Value ($000) $4,764 Avg Close $40.40 Range $37.20 - $43.21

Q2 2014

Shares 108,683 Value ($000) $4,584 Avg Close $40.62 Range $38.84 - $43.29

Q1 2014

Shares 109,352 Value ($000) $4,817 Avg Close $44.55 Range $39.20 - $48.39

Q4 2013

Shares 109,352 Value ($000) $5,365 Avg Close $44.20 Range $37.35 - $47.81

Q3 2013

Shares 109,352 Value ($000) $4,500 Avg Close $35.94 Range $33.14 - $39.16

Q2 2013

Shares 53,476 Value ($000) $3,757 Avg Close $30.93 Range $29.01 - $33.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	48,695	$13	$273.43	$253.32 - $322.08
Q3 2025	48,695	$13	$242.79	$206.46 - $290.53
Q2 2025	49,722	$11	$213.36	$186.94 - $229.90
Q1 2025	49,722	$11	$274.80	$196.50 - $347.77
Q4 2024	49,722	$16	$313.59	$279.91 - $350.96
Q3 2024	49,828	$15	$304.99	$263.80 - $333.82
Q2 2024	59,146	$19	$351.74	$308.59 - $394.74
Q1 2024	59,624	$24	$367.98	$324.09 - $411.60
Q4 2023	60,020	$21	$351.82	$308.49 - $391.98
Q3 2023	60,349	$23	$384.28	$348.41 - $413.15
Q2 2023	68,748	$26	$354.80	$327.94 - $384.53
Q1 2023	73,954	$26	$290.04	$223.87 - $346.10
Q4 2022	73,954	$17	$235.00	$204.38 - $262.37
Q3 2022	73,954	$18,199	$301.94	$242.57 - $344.20
Q2 2022	73,954	$22,361	$322.31	$273.30 - $419.82
Q1 2022	73,954	$30,374	$387.59	$345.71 - $463.22
Q4 2021	76,656	$35,952	$425.92	$394.87 - $470.10
Q3 2021	80,014	$33,969	$416.99	$355.08 - $470.24
Q2 2021	92,996	$33,395	$326.67	$275.63 - $360.44
Q1 2021	104,567	$29,465	$282.81	$250.88 - $308.28
Q4 2020	109,267	$30,956	$277.09	$256.63 - $301.25
Q3 2020	109,535	$30,111	$261.19	$219.97 - $284.94
Q2 2020	111,473	$25,323	$193.81	$143.68 - $224.89
Q1 2020	106,473	$16,211	$151.68	$122.74 - $174.12
Q4 2019	106,222	$15,968	$143.32	$134.47 - $149.78
Q3 2019	106,222	$15,064	$135.38	$118.14 - $149.59
Q2 2019	146,853	$18,379	$115.92	$107.93 - $123.63
Q1 2019	151,661	$16,713	$102.01	$91.18 - $108.30
Q4 2018	205,529	$20,148	$106.26	$89.88 - $122.38
Q3 2018	228,760	$28,245	$109.69	$94.87 - $121.81
Q2 2018	228,774	$22,715	$89.91	$80.71 - $99.79
Q1 2018	228,836	$20,204	$91.22	$82.65 - $100.27
Q4 2017	229,525	$22,647	$95.48	$87.44 - $100.68
Q3 2017	229,059	$22,049	$87.99	$77.83 - $94.16
Q2 2017	230,195	$21,758	$89.32	$75.60 - $97.04
Q1 2017	209,268	$17,078	$81.07	$76.66 - $85.49
Q4 2016	209,624	$17,782	$76.11	$67.94 - $83.75
Q3 2016	192,542	$14,344	$76.71	$68.84 - $81.50
Q2 2016	170,986	$12,974	$70.21	$65.91 - $74.99
Q1 2016	305,738	$21,194	$57.94	$51.90 - $67.04
Q4 2015	306,035	$18,429	$57.81	$50.64 - $62.09
Q3 2015	306,035	$16,563	$55.88	$50.94 - $59.21
Q2 2015	174,093	$10,111	$53.43	$50.49 - $57.34
Q1 2015	130,588	$7,863	$50.91	$46.50 - $57.62
Q4 2014	126,429	$6,731	$47.68	$41.37 - $52.72
Q3 2014	106,429	$4,764	$40.40	$37.20 - $43.21
Q2 2014	108,683	$4,584	$40.62	$38.84 - $43.29
Q1 2014	109,352	$4,817	$44.55	$39.20 - $48.39
Q4 2013	109,352	$5,365	$44.20	$37.35 - $47.81
Q3 2013	109,352	$4,500	$35.94	$33.14 - $39.16
Q2 2013	53,476	$3,757	$30.93	$29.01 - $33.33