WEST PHARMACEUTICAL SVSC INC

Ticker: WST CUSIP: 955306105 Class: EQTY

GW&K Investment Management, LLC's Holding History (CIK: 0001082917)

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

Q4 2025

Shares 41,441 Value ($000) $11 Avg Close $273.43 Range $253.32 - $322.08

Q3 2025

Shares 864 Value ($000) $0 Avg Close $242.79 Range $206.46 - $290.53

Q2 2025

Shares 867 Value ($000) $0 Avg Close $213.36 Range $186.94 - $229.90

Q1 2025

Shares 863 Value ($000) $0 Avg Close $274.80 Range $196.50 - $347.77

Q4 2024

Shares 875 Value ($000) $0 Avg Close $313.59 Range $279.91 - $350.96

Q3 2024

Shares 3,347 Value ($000) $1 Avg Close $304.99 Range $263.80 - $333.82

Q2 2024

Shares 33,614 Value ($000) $11 Avg Close $351.74 Range $308.59 - $394.74

Q1 2024

Shares 34,245 Value ($000) $14 Avg Close $367.98 Range $324.09 - $411.60

Q4 2023

Shares 33,947 Value ($000) $12 Avg Close $351.82 Range $308.49 - $391.98

Q3 2023

Shares 46,368 Value ($000) $17 Avg Close $384.28 Range $348.41 - $413.15

Q2 2023

Shares 51,319 Value ($000) $20 Avg Close $354.80 Range $327.94 - $384.53

Q1 2023

Shares 86,533 Value ($000) $30 Avg Close $290.04 Range $223.87 - $346.10

Q4 2022

Shares 85,406 Value ($000) $20 Avg Close $235.00 Range $204.38 - $262.37

Q3 2022

Shares 46,600 Value ($000) $11,467 Avg Close $301.94 Range $242.57 - $344.20

Q2 2022

Shares 5,993 Value ($000) $1,812 Avg Close $322.31 Range $273.30 - $419.82

Q1 2022

Shares 5,940 Value ($000) $2,440 Avg Close $387.59 Range $345.71 - $463.22

Q4 2021

Shares 2,434 Value ($000) $1,141 Avg Close $425.92 Range $394.87 - $470.10

Q3 2021

Shares 2,469 Value ($000) $1,049 Avg Close $416.99 Range $355.08 - $470.24

Q2 2021

Shares 2,465 Value ($000) $885 Avg Close $326.67 Range $275.63 - $360.44

Q1 2021

Shares 2,534 Value ($000) $714 Avg Close $282.81 Range $250.88 - $308.28

Q4 2020

Shares 1,190 Value ($000) $337 Avg Close $277.09 Range $256.63 - $301.25

Q3 2020

Shares 91,157 Value ($000) $25,059 Avg Close $261.19 Range $219.97 - $284.94

Q2 2020

Shares 251,217 Value ($000) $57,069 Avg Close $193.81 Range $143.68 - $224.89

Q1 2020

Shares 351,267 Value ($000) $53,481 Avg Close $151.68 Range $122.74 - $174.12

Q4 2019

Shares 334,368 Value ($000) $50,266 Avg Close $143.32 Range $134.47 - $149.78

Q3 2019

Shares 343,932 Value ($000) $48,777 Avg Close $135.38 Range $118.14 - $149.59

Q2 2019

Shares 344,184 Value ($000) $43,075 Avg Close $115.92 Range $107.93 - $123.63

Q1 2019

Shares 349,424 Value ($000) $38,507 Avg Close $102.01 Range $91.18 - $108.30

Q4 2018

Shares 343,844 Value ($000) $33,707 Avg Close $106.26 Range $89.88 - $122.38

Q3 2018

Shares 337,259 Value ($000) $41,641 Avg Close $109.69 Range $94.87 - $121.81

Q2 2018

Shares 338,966 Value ($000) $33,656 Avg Close $89.91 Range $80.71 - $99.79

Q1 2018

Shares 344,327 Value ($000) $30,401 Avg Close $91.22 Range $82.65 - $100.27

Q4 2017

Shares 882,796 Value ($000) $87,105 Avg Close $95.48 Range $87.44 - $100.68

Q3 2017

Shares 957,441 Value ($000) $92,163 Avg Close $87.99 Range $77.83 - $94.16

Q2 2017

Shares 956,501 Value ($000) $90,408 Avg Close $89.32 Range $75.60 - $97.04

Q1 2017

Shares 1,006,855 Value ($000) $82,169 Avg Close $81.07 Range $76.66 - $85.49

Q4 2016

Shares 1,025,255 Value ($000) $86,972 Avg Close $76.11 Range $67.94 - $83.75

Q3 2016

Shares 1,108,449 Value ($000) $82,579 Avg Close $76.71 Range $68.84 - $81.50

Q2 2016

Shares 1,160,527 Value ($000) $88,061 Avg Close $70.21 Range $65.91 - $74.99

Q1 2016

Shares 1,180,178 Value ($000) $81,810 Avg Close $57.94 Range $51.90 - $67.04

Q4 2015

Shares 1,153,222 Value ($000) $69,447 Avg Close $57.81 Range $50.64 - $62.09

Q3 2015

Shares 1,185,296 Value ($000) $64,148 Avg Close $55.88 Range $50.94 - $59.21

Q2 2015

Shares 1,139,279 Value ($000) $66,169 Avg Close $53.43 Range $50.49 - $57.34

Q1 2015

Shares 1,162,853 Value ($000) $70,015 Avg Close $50.91 Range $46.50 - $57.62

Q4 2014

Shares 1,172,174 Value ($000) $62,407 Avg Close $47.68 Range $41.37 - $52.72

Q3 2014

Shares 1,139,168 Value ($000) $50,989 Avg Close $40.40 Range $37.20 - $43.21

Q2 2014

Shares 1,027,376 Value ($000) $43,335 Avg Close $40.62 Range $38.84 - $43.29

Q1 2014

Shares 976,382 Value ($000) $43,010 Avg Close $44.55 Range $39.20 - $48.39

Q4 2013

Shares 976,121 Value ($000) $47,889 Avg Close $44.20 Range $37.35 - $47.81

Q3 2013

Shares 949,746 Value ($000) $39,082 Avg Close $35.94 Range $33.14 - $39.16

Q2 2013

Shares 406,779 Value ($000) $28,580 Avg Close $30.93 Range $29.01 - $33.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	41,441	$11	$273.43	$253.32 - $322.08
Q3 2025	864	$0	$242.79	$206.46 - $290.53
Q2 2025	867	$0	$213.36	$186.94 - $229.90
Q1 2025	863	$0	$274.80	$196.50 - $347.77
Q4 2024	875	$0	$313.59	$279.91 - $350.96
Q3 2024	3,347	$1	$304.99	$263.80 - $333.82
Q2 2024	33,614	$11	$351.74	$308.59 - $394.74
Q1 2024	34,245	$14	$367.98	$324.09 - $411.60
Q4 2023	33,947	$12	$351.82	$308.49 - $391.98
Q3 2023	46,368	$17	$384.28	$348.41 - $413.15
Q2 2023	51,319	$20	$354.80	$327.94 - $384.53
Q1 2023	86,533	$30	$290.04	$223.87 - $346.10
Q4 2022	85,406	$20	$235.00	$204.38 - $262.37
Q3 2022	46,600	$11,467	$301.94	$242.57 - $344.20
Q2 2022	5,993	$1,812	$322.31	$273.30 - $419.82
Q1 2022	5,940	$2,440	$387.59	$345.71 - $463.22
Q4 2021	2,434	$1,141	$425.92	$394.87 - $470.10
Q3 2021	2,469	$1,049	$416.99	$355.08 - $470.24
Q2 2021	2,465	$885	$326.67	$275.63 - $360.44
Q1 2021	2,534	$714	$282.81	$250.88 - $308.28
Q4 2020	1,190	$337	$277.09	$256.63 - $301.25
Q3 2020	91,157	$25,059	$261.19	$219.97 - $284.94
Q2 2020	251,217	$57,069	$193.81	$143.68 - $224.89
Q1 2020	351,267	$53,481	$151.68	$122.74 - $174.12
Q4 2019	334,368	$50,266	$143.32	$134.47 - $149.78
Q3 2019	343,932	$48,777	$135.38	$118.14 - $149.59
Q2 2019	344,184	$43,075	$115.92	$107.93 - $123.63
Q1 2019	349,424	$38,507	$102.01	$91.18 - $108.30
Q4 2018	343,844	$33,707	$106.26	$89.88 - $122.38
Q3 2018	337,259	$41,641	$109.69	$94.87 - $121.81
Q2 2018	338,966	$33,656	$89.91	$80.71 - $99.79
Q1 2018	344,327	$30,401	$91.22	$82.65 - $100.27
Q4 2017	882,796	$87,105	$95.48	$87.44 - $100.68
Q3 2017	957,441	$92,163	$87.99	$77.83 - $94.16
Q2 2017	956,501	$90,408	$89.32	$75.60 - $97.04
Q1 2017	1,006,855	$82,169	$81.07	$76.66 - $85.49
Q4 2016	1,025,255	$86,972	$76.11	$67.94 - $83.75
Q3 2016	1,108,449	$82,579	$76.71	$68.84 - $81.50
Q2 2016	1,160,527	$88,061	$70.21	$65.91 - $74.99
Q1 2016	1,180,178	$81,810	$57.94	$51.90 - $67.04
Q4 2015	1,153,222	$69,447	$57.81	$50.64 - $62.09
Q3 2015	1,185,296	$64,148	$55.88	$50.94 - $59.21
Q2 2015	1,139,279	$66,169	$53.43	$50.49 - $57.34
Q1 2015	1,162,853	$70,015	$50.91	$46.50 - $57.62
Q4 2014	1,172,174	$62,407	$47.68	$41.37 - $52.72
Q3 2014	1,139,168	$50,989	$40.40	$37.20 - $43.21
Q2 2014	1,027,376	$43,335	$40.62	$38.84 - $43.29
Q1 2014	976,382	$43,010	$44.55	$39.20 - $48.39
Q4 2013	976,121	$47,889	$44.20	$37.35 - $47.81
Q3 2013	949,746	$39,082	$35.94	$33.14 - $39.16
Q2 2013	406,779	$28,580	$30.93	$29.01 - $33.33