WEST PHARMACEUTICAL SVSC INC

Ticker: WST CUSIP: 955306105 Class: EQTY

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q4 2025

Shares 123,336 Value ($000) $33,935 Avg Close $273.43 Range $253.32 - $322.08

Q3 2025

Shares 122,506 Value ($000) $32,137 Avg Close $242.79 Range $206.46 - $290.53

Q2 2025

Shares 94,256 Value ($000) $20,623 Avg Close $213.36 Range $186.94 - $229.90

Q1 2025

Shares 89,694 Value ($000) $20,081 Avg Close $274.80 Range $196.50 - $347.77

Q4 2024

Shares 115,810 Value ($000) $37,935 Avg Close $313.59 Range $279.91 - $350.96

Q3 2024

Shares 99,215 Value ($000) $29,780 Avg Close $304.99 Range $263.80 - $333.82

Q2 2024

Shares 131,041 Value ($000) $43,164 Avg Close $351.74 Range $308.59 - $394.74

Q1 2024

Shares 135,770 Value ($000) $53,726 Avg Close $367.98 Range $324.09 - $411.60

Q4 2023

Shares 140,911 Value ($000) $49,618 Avg Close $351.82 Range $308.49 - $391.98

Q3 2023

Shares 143,952 Value ($000) $54,012 Avg Close $384.28 Range $348.41 - $413.15

Q2 2023

Shares 139,192 Value ($000) $53,237 Avg Close $354.80 Range $327.94 - $384.53

Q1 2023

Shares 170,397 Value ($000) $59,037 Avg Close $290.04 Range $223.87 - $346.10

Q4 2022

Shares 356,343 Value ($000) $83,865 Avg Close $235.00 Range $204.38 - $262.37

Q3 2022

Shares 535,371 Value ($000) $131,744 Avg Close $301.94 Range $242.57 - $344.20

Q2 2022

Shares 544,944 Value ($000) $164,775 Avg Close $322.31 Range $273.30 - $419.82

Q1 2022

Shares 553,379 Value ($000) $227,278 Avg Close $387.59 Range $345.71 - $463.22

Q4 2021

Shares 561,366 Value ($000) $263,286 Avg Close $425.92 Range $394.87 - $470.10

Q3 2021

Shares 572,234 Value ($000) $242,936 Avg Close $416.99 Range $355.08 - $470.24

Q2 2021

Shares 564,509 Value ($000) $202,715 Avg Close $326.67 Range $275.63 - $360.44

Q1 2021

Shares 549,395 Value ($000) $154,809 Avg Close $282.81 Range $250.88 - $308.28

Q4 2020

Shares 279,341 Value ($000) $79,140 Avg Close $277.09 Range $256.63 - $301.25

Q3 2020

Shares 168,950 Value ($000) $46,444 Avg Close $261.19 Range $219.97 - $284.94

Q2 2020

Shares 165,046 Value ($000) $37,493 Avg Close $193.81 Range $143.68 - $224.89

Q1 2020

Shares 165,844 Value ($000) $25,250 Avg Close $151.68 Range $122.74 - $174.12

Q4 2019

Shares 175,452 Value ($000) $26,376 Avg Close $143.32 Range $134.47 - $149.78

Q3 2019

Shares 178,250 Value ($000) $25,279 Avg Close $135.38 Range $118.14 - $149.59

Q2 2019

Shares 130,973 Value ($000) $16,391 Avg Close $115.92 Range $107.93 - $123.63

Q1 2019

Shares 127,680 Value ($000) $14,070 Avg Close $102.01 Range $91.18 - $108.30

Q4 2018

Shares 132,721 Value ($000) $13,011 Avg Close $106.26 Range $89.88 - $122.38

Q3 2018

Shares 142,116 Value ($000) $17,547 Avg Close $109.69 Range $94.87 - $121.81

Q2 2018

Shares 142,291 Value ($000) $14,128 Avg Close $89.91 Range $80.71 - $99.79

Q1 2018

Shares 159,707 Value ($000) $14,101 Avg Close $91.22 Range $82.65 - $100.27

Q4 2017

Shares 162,472 Value ($000) $16,031 Avg Close $95.48 Range $87.44 - $100.68

Q3 2017

Shares 157,759 Value ($000) $15,186 Avg Close $87.99 Range $77.83 - $94.16

Q2 2017

Shares 169,300 Value ($000) $16,002 Avg Close $89.32 Range $75.60 - $97.04

Q1 2017

Shares 162,100 Value ($000) $13,229 Avg Close $81.07 Range $76.66 - $85.49

Q4 2016

Shares 178,700 Value ($000) $15,159 Avg Close $76.11 Range $67.94 - $83.75

Q3 2016

Shares 197,900 Value ($000) $14,744 Avg Close $76.71 Range $68.84 - $81.50

Q2 2016

Shares 202,600 Value ($000) $15,373 Avg Close $70.21 Range $65.91 - $74.99

Q1 2016

Shares 207,700 Value ($000) $14,398 Avg Close $57.94 Range $51.90 - $67.04

Q4 2015

Shares 218,500 Value ($000) $13,158 Avg Close $57.81 Range $50.64 - $62.09

Q3 2015

Shares 218,500 Value ($000) $11,825 Avg Close $55.88 Range $50.94 - $59.21

Q2 2015

Shares 220,800 Value ($000) $12,824 Avg Close $53.43 Range $50.49 - $57.34

Q1 2015

Shares 197,600 Value ($000) $10,030 Avg Close $50.91 Range $46.50 - $57.62

Q4 2014

Shares 197,600 Value ($000) $10,030 Avg Close $47.68 Range $41.37 - $52.72

Q3 2014

Shares 202,800 Value ($000) $9,077 Avg Close $40.40 Range $37.20 - $43.21

Q2 2014

Shares 145,500 Value ($000) $6,137 Avg Close $40.62 Range $38.84 - $43.29

Q1 2014

Shares 149,100 Value ($000) $6,587 Avg Close $44.55 Range $39.20 - $48.39

Q4 2013

Shares 142,600 Value ($000) $7,056 Avg Close $44.20 Range $37.35 - $47.81

Q3 2013

Shares 132,674 Value ($000) $5,460 Avg Close $35.94 Range $33.14 - $39.16

Q2 2013

Shares 53,137 Value ($000) $3,733 Avg Close $30.93 Range $29.01 - $33.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	123,336	$33,935	$273.43	$253.32 - $322.08
Q3 2025	122,506	$32,137	$242.79	$206.46 - $290.53
Q2 2025	94,256	$20,623	$213.36	$186.94 - $229.90
Q1 2025	89,694	$20,081	$274.80	$196.50 - $347.77
Q4 2024	115,810	$37,935	$313.59	$279.91 - $350.96
Q3 2024	99,215	$29,780	$304.99	$263.80 - $333.82
Q2 2024	131,041	$43,164	$351.74	$308.59 - $394.74
Q1 2024	135,770	$53,726	$367.98	$324.09 - $411.60
Q4 2023	140,911	$49,618	$351.82	$308.49 - $391.98
Q3 2023	143,952	$54,012	$384.28	$348.41 - $413.15
Q2 2023	139,192	$53,237	$354.80	$327.94 - $384.53
Q1 2023	170,397	$59,037	$290.04	$223.87 - $346.10
Q4 2022	356,343	$83,865	$235.00	$204.38 - $262.37
Q3 2022	535,371	$131,744	$301.94	$242.57 - $344.20
Q2 2022	544,944	$164,775	$322.31	$273.30 - $419.82
Q1 2022	553,379	$227,278	$387.59	$345.71 - $463.22
Q4 2021	561,366	$263,286	$425.92	$394.87 - $470.10
Q3 2021	572,234	$242,936	$416.99	$355.08 - $470.24
Q2 2021	564,509	$202,715	$326.67	$275.63 - $360.44
Q1 2021	549,395	$154,809	$282.81	$250.88 - $308.28
Q4 2020	279,341	$79,140	$277.09	$256.63 - $301.25
Q3 2020	168,950	$46,444	$261.19	$219.97 - $284.94
Q2 2020	165,046	$37,493	$193.81	$143.68 - $224.89
Q1 2020	165,844	$25,250	$151.68	$122.74 - $174.12
Q4 2019	175,452	$26,376	$143.32	$134.47 - $149.78
Q3 2019	178,250	$25,279	$135.38	$118.14 - $149.59
Q2 2019	130,973	$16,391	$115.92	$107.93 - $123.63
Q1 2019	127,680	$14,070	$102.01	$91.18 - $108.30
Q4 2018	132,721	$13,011	$106.26	$89.88 - $122.38
Q3 2018	142,116	$17,547	$109.69	$94.87 - $121.81
Q2 2018	142,291	$14,128	$89.91	$80.71 - $99.79
Q1 2018	159,707	$14,101	$91.22	$82.65 - $100.27
Q4 2017	162,472	$16,031	$95.48	$87.44 - $100.68
Q3 2017	157,759	$15,186	$87.99	$77.83 - $94.16
Q2 2017	169,300	$16,002	$89.32	$75.60 - $97.04
Q1 2017	162,100	$13,229	$81.07	$76.66 - $85.49
Q4 2016	178,700	$15,159	$76.11	$67.94 - $83.75
Q3 2016	197,900	$14,744	$76.71	$68.84 - $81.50
Q2 2016	202,600	$15,373	$70.21	$65.91 - $74.99
Q1 2016	207,700	$14,398	$57.94	$51.90 - $67.04
Q4 2015	218,500	$13,158	$57.81	$50.64 - $62.09
Q3 2015	218,500	$11,825	$55.88	$50.94 - $59.21
Q2 2015	220,800	$12,824	$53.43	$50.49 - $57.34
Q1 2015	197,600	$10,030	$50.91	$46.50 - $57.62
Q4 2014	197,600	$10,030	$47.68	$41.37 - $52.72
Q3 2014	202,800	$9,077	$40.40	$37.20 - $43.21
Q2 2014	145,500	$6,137	$40.62	$38.84 - $43.29
Q1 2014	149,100	$6,587	$44.55	$39.20 - $48.39
Q4 2013	142,600	$7,056	$44.20	$37.35 - $47.81
Q3 2013	132,674	$5,460	$35.94	$33.14 - $39.16
Q2 2013	53,137	$3,733	$30.93	$29.01 - $33.33