WEST PHARMACEUTICAL SVSC INC

Ticker: WST CUSIP: 955306105 Class: EQTY

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q4 2025

Shares 19,737 Value ($000) $5,430 Avg Close $273.43 Range $253.32 - $322.08

Q3 2025

Shares 21,249 Value ($000) $5,574 Avg Close $242.79 Range $206.46 - $290.53

Q2 2025

Shares 21,130 Value ($000) $4,623 Avg Close $213.36 Range $186.94 - $229.90

Q1 2025

Shares 20,944 Value ($000) $4,689 Avg Close $274.80 Range $196.50 - $347.77

Q4 2024

Shares 21,071 Value ($000) $6,902 Avg Close $313.59 Range $279.91 - $350.96

Q3 2024

Shares 20,870 Value ($000) $6,264 Avg Close $304.99 Range $263.80 - $333.82

Q2 2024

Shares 20,110 Value ($000) $6,624 Avg Close $351.74 Range $308.59 - $394.74

Q1 2024

Shares 20,351 Value ($000) $8,053 Avg Close $367.98 Range $324.09 - $411.60

Q4 2023

Shares 20,300 Value ($000) $7,148 Avg Close $351.82 Range $308.49 - $391.98

Q3 2023

Shares 20,255 Value ($000) $7,600 Avg Close $384.28 Range $348.41 - $413.15

Q2 2023

Shares 20,269 Value ($000) $7,752 Avg Close $354.80 Range $327.94 - $384.53

Q1 2023

Shares 21,523 Value ($000) $7,457 Avg Close $290.04 Range $223.87 - $346.10

Q4 2022

Shares 20,959 Value ($000) $4,933 Avg Close $235.00 Range $204.38 - $262.37

Q3 2022

Shares 20,339 Value ($000) $5,005 Avg Close $301.94 Range $242.57 - $344.20

Q2 2022

Shares 20,731 Value ($000) $6,268 Avg Close $322.31 Range $273.30 - $419.82

Q1 2022

Shares 20,621 Value ($000) $8,469 Avg Close $387.59 Range $345.71 - $463.22

Q4 2021

Shares 20,142 Value ($000) $9,447 Avg Close $425.92 Range $394.87 - $470.10

Q3 2021

Shares 20,718 Value ($000) $8,796 Avg Close $416.99 Range $355.08 - $470.24

Q2 2021

Shares 20,945 Value ($000) $7,521 Avg Close $326.67 Range $275.63 - $360.44

Q1 2021

Shares 21,315 Value ($000) $6,006 Avg Close $282.81 Range $250.88 - $308.28

Q4 2020

Shares 21,174 Value ($000) $5,999 Avg Close $277.09 Range $256.63 - $301.25

Q3 2020

Shares 22,396 Value ($000) $6,157 Avg Close $261.19 Range $219.97 - $284.94

Q2 2020

Shares 17,200 Value ($000) $3,907 Avg Close $193.81 Range $143.68 - $224.89

Q1 2020

Shares 17,027 Value ($000) $2,592 Avg Close $151.68 Range $122.74 - $174.12

Q4 2019

Shares 41,958 Value ($000) $6,308 Avg Close $143.32 Range $134.47 - $149.78

Q3 2019

Shares 45,963 Value ($000) $6,518 Avg Close $135.38 Range $118.14 - $149.59

Q2 2019

Shares 53,333 Value ($000) $6,675 Avg Close $115.92 Range $107.93 - $123.63

Q1 2019

Shares 53,270 Value ($000) $5,870 Avg Close $102.01 Range $91.18 - $108.30

Q4 2018

Shares 53,170 Value ($000) $5,212 Avg Close $106.26 Range $89.88 - $122.38

Q3 2018

Shares 52,216 Value ($000) $6,447 Avg Close $109.69 Range $94.87 - $121.81

Q2 2018

Shares 51,084 Value ($000) $5,072 Avg Close $89.91 Range $80.71 - $99.79

Q1 2018

Shares 50,047 Value ($000) $4,419 Avg Close $91.22 Range $82.65 - $100.27

Q4 2017

Shares 53,447 Value ($000) $5,274 Avg Close $95.48 Range $87.44 - $100.68

Q3 2017

Shares 41,970 Value ($000) $4,040 Avg Close $87.99 Range $77.83 - $94.16

Q2 2017

Shares 31,000 Value ($000) $2,930 Avg Close $89.32 Range $75.60 - $97.04

Q1 2017

Shares 30,500 Value ($000) $2,489 Avg Close $81.07 Range $76.66 - $85.49

Q4 2016

Shares 28,252 Value ($000) $2,397 Avg Close $76.11 Range $67.94 - $83.75

Q3 2016

Shares 31,136 Value ($000) $2,320 Avg Close $76.71 Range $68.84 - $81.50

Q2 2016

Shares 31,136 Value ($000) $2,363 Avg Close $70.21 Range $65.91 - $74.99

Q1 2016

Shares 37,836 Value ($000) $2,623 Avg Close $57.94 Range $51.90 - $67.04

Q4 2015

Shares 36,336 Value ($000) $2,188 Avg Close $57.81 Range $50.64 - $62.09

Q3 2015

Shares 32,944 Value ($000) $1,783 Avg Close $55.88 Range $50.94 - $59.21

Q4 2014

Shares 49,664 Value ($000) $2,644 Avg Close $47.68 Range $41.37 - $52.72

Q3 2014

Shares 49,064 Value ($000) $2,196 Avg Close $40.40 Range $37.20 - $43.21

Q2 2014

Shares 51,164 Value ($000) $2,158 Avg Close $40.62 Range $38.84 - $43.29

Q1 2014

Shares 50,364 Value ($000) $2,218 Avg Close $44.55 Range $39.20 - $48.39

Q4 2013

Shares 55,564 Value ($000) $2,725 Avg Close $44.20 Range $37.35 - $47.81

Q3 2013

Shares 62,464 Value ($000) $2,570 Avg Close $35.94 Range $33.14 - $39.16

Q2 2013

Shares 31,132 Value ($000) $2,187 Avg Close $30.93 Range $29.01 - $33.33

Q1 2013

Shares 30,232 Value ($000) $1,963 Avg Close $27.91 Range $25.54 - $30.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,737	$5,430	$273.43	$253.32 - $322.08
Q3 2025	21,249	$5,574	$242.79	$206.46 - $290.53
Q2 2025	21,130	$4,623	$213.36	$186.94 - $229.90
Q1 2025	20,944	$4,689	$274.80	$196.50 - $347.77
Q4 2024	21,071	$6,902	$313.59	$279.91 - $350.96
Q3 2024	20,870	$6,264	$304.99	$263.80 - $333.82
Q2 2024	20,110	$6,624	$351.74	$308.59 - $394.74
Q1 2024	20,351	$8,053	$367.98	$324.09 - $411.60
Q4 2023	20,300	$7,148	$351.82	$308.49 - $391.98
Q3 2023	20,255	$7,600	$384.28	$348.41 - $413.15
Q2 2023	20,269	$7,752	$354.80	$327.94 - $384.53
Q1 2023	21,523	$7,457	$290.04	$223.87 - $346.10
Q4 2022	20,959	$4,933	$235.00	$204.38 - $262.37
Q3 2022	20,339	$5,005	$301.94	$242.57 - $344.20
Q2 2022	20,731	$6,268	$322.31	$273.30 - $419.82
Q1 2022	20,621	$8,469	$387.59	$345.71 - $463.22
Q4 2021	20,142	$9,447	$425.92	$394.87 - $470.10
Q3 2021	20,718	$8,796	$416.99	$355.08 - $470.24
Q2 2021	20,945	$7,521	$326.67	$275.63 - $360.44
Q1 2021	21,315	$6,006	$282.81	$250.88 - $308.28
Q4 2020	21,174	$5,999	$277.09	$256.63 - $301.25
Q3 2020	22,396	$6,157	$261.19	$219.97 - $284.94
Q2 2020	17,200	$3,907	$193.81	$143.68 - $224.89
Q1 2020	17,027	$2,592	$151.68	$122.74 - $174.12
Q4 2019	41,958	$6,308	$143.32	$134.47 - $149.78
Q3 2019	45,963	$6,518	$135.38	$118.14 - $149.59
Q2 2019	53,333	$6,675	$115.92	$107.93 - $123.63
Q1 2019	53,270	$5,870	$102.01	$91.18 - $108.30
Q4 2018	53,170	$5,212	$106.26	$89.88 - $122.38
Q3 2018	52,216	$6,447	$109.69	$94.87 - $121.81
Q2 2018	51,084	$5,072	$89.91	$80.71 - $99.79
Q1 2018	50,047	$4,419	$91.22	$82.65 - $100.27
Q4 2017	53,447	$5,274	$95.48	$87.44 - $100.68
Q3 2017	41,970	$4,040	$87.99	$77.83 - $94.16
Q2 2017	31,000	$2,930	$89.32	$75.60 - $97.04
Q1 2017	30,500	$2,489	$81.07	$76.66 - $85.49
Q4 2016	28,252	$2,397	$76.11	$67.94 - $83.75
Q3 2016	31,136	$2,320	$76.71	$68.84 - $81.50
Q2 2016	31,136	$2,363	$70.21	$65.91 - $74.99
Q1 2016	37,836	$2,623	$57.94	$51.90 - $67.04
Q4 2015	36,336	$2,188	$57.81	$50.64 - $62.09
Q3 2015	32,944	$1,783	$55.88	$50.94 - $59.21
Q4 2014	49,664	$2,644	$47.68	$41.37 - $52.72
Q3 2014	49,064	$2,196	$40.40	$37.20 - $43.21
Q2 2014	51,164	$2,158	$40.62	$38.84 - $43.29
Q1 2014	50,364	$2,218	$44.55	$39.20 - $48.39
Q4 2013	55,564	$2,725	$44.20	$37.35 - $47.81
Q3 2013	62,464	$2,570	$35.94	$33.14 - $39.16
Q2 2013	31,132	$2,187	$30.93	$29.01 - $33.33
Q1 2013	30,232	$1,963	$27.91	$25.54 - $30.69