West Pharmaceutical Services, Inc.
DE ˙ DB ˙ GB00BLGXWY71
266,50 € ↓ -2,60 (-0,97%)
2026-06-03
AKTIENPREIS
SecurityDE:WPS / West Pharmaceutical Services, Inc.
InstitutionAssetmark, Inc
Latest Disclosed Ownership10,599 shares
Latest Disclosed Value $ 2,656,537
Assetmark, Inc reports 18.43% decrease in ownership of WPS / West Pharmaceutical Services, Inc.

On May 6, 2026 - Assetmark, Inc filed a 13F-HR form disclosing ownership of 10,599 shares of West Pharmaceutical Services, Inc. (DE:WPS) valued at $2,262,886 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 23, 2026 disclosing 12,993 shares of West Pharmaceutical Services, Inc.. This represents a change in shares of -18.43% during the quarter. The current value of the position is $2,824,634 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-06 2026-03-31 13F WEST PHARMACEUTICAL SVSC COM 955306105 10,599 -2,394 -18.43 2,657 -25.69 0.0054
2026-01-23 2025-12-31 13F WEST PHARMACEUTICAL SVSC COM 955306105 12,993 -1,951 -13.06 3,575 -8.83 0.0073
2025-11-06 2025-09-30 13F WEST PHARMACEUTICAL SVSC COM 955306105 14,944 -26,486 -63.93 3,920 -56.75 0.0084
2025-08-04 2025-06-30 13F WEST PHARMACEUTICAL SVSC COM 955306105 41,430 5,961 16.81 9,065 14.16 0.0214
2025-05-06 2025-03-31 13F WEST PHARMACEUTICAL SVSC COM 955306105 35,469 27,439 341.71 7,941 201.90 0.0218
2025-02-06 2024-12-31 13F WEST PHARMACEUTICAL SVSC COM 955306105 8,030 1,497 22.91 2,630 34.18 0.0071
2024-11-01 2024-09-30 13F WEST PHARMACEUTICAL SVSC COM 955306105 6,533 601 10.13 1,961 0.36 0.0056
2024-08-13 2024-06-30 13F WEST PHARMACEUTICAL SVSC COM 955306105 5,932 956 19.21 1,954 -0.81 0.0060
2024-05-07 2024-03-31 13F WEST PHARMACEUTICAL SVSC COM 955306105 4,976 1,326 36.33 1,969 53.23 0.0064
2024-02-09 2023-12-31 13F WEST PHARMACEUTICAL SVSC COM 955306105 3,650 1,050 40.38 1,285 31.79 0.0046
2023-10-27 2023-09-30 13F WEST PHARMACEUTICAL SVSC COM 955306105 2,600 488 23.11 976 20.82 0.0039
2023-08-11 2023-06-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 2,112 720 51.72 808 67.43 0.0032
2023-05-05 2023-03-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 1,392 452 48.09 482 118.10 0.0020
2023-02-10 2022-12-31 13F WEST PHARMACEUTICAL SVSC COM 955306105 940 342 57.19 221 50.34 0.0010
2022-11-01 2022-09-30 13F WEST PHARMACEUTICAL SVSC COM 955306105 598 200 50.25 147 22.50 0.0007
2022-08-03 2022-06-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 398 242 155.13 120 87.50 0.0005
2022-05-13 2022-03-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 156 153 5,100.00 64 6,300.00 0.0003
2022-02-14 2021-12-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 3 0 0.00 1 0.00 0.0000
2021-11-12 2021-09-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 3 3 1 0.0000
2021-08-16 2021-06-30 13F WEST PHARMACEUTICAL SVSC COM 955306105 0 -14 -100.00 0 -100.00
2021-05-14 2021-03-31 13F WEST PHARMACEUTICAL SVSC COM 955306105 14 3 27.27 4 33.33 0.0000
2021-02-10 2020-12-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 11 -9 -45.00 3 -40.00 0.0000
2020-11-13 2020-09-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 20 -7 -25.93 5 -16.67 0.0000
2020-08-11 2020-06-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 27 -97 -78.23 6 -68.42 0.0000
2020-05-12 2020-03-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 124 93 300.00 19 280.00 0.0002
2020-02-11 2019-12-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 31 2 6.90 5 25.00 0.0000
2019-11-13 2019-09-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 29 6 26.09 4 33.33 0.0000
2019-08-14 2019-06-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 23 0 0.00 3 0.00 0.0000
2019-05-14 2019-03-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 23 -18 -43.90 3 -25.00 0.0000
2019-02-13 2018-12-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 41 -95 -69.85 4 -76.47 0.0000
2018-11-13 2018-09-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 136 -5 -3.55 17 21.43 0.0002
2018-08-01 2018-06-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 141 14 11.02 14 27.27 0.0001
2018-05-16 2018-03-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 127 -628 -83.18 11 -85.33 0.0001
2018-02-13 2017-12-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 755 -25 -3.21 75 0.00 0.0008
2017-11-08 2017-09-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 780 -1 -0.13 75 1.35 0.0009
2017-08-14 2017-06-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 781 -100 -11.35 74 2.78 0.0009
2017-09-15 2017-03-31 13F/A-1 WEST PHARMACEUTICAL SVSC INC COM COM 955306105 881 1 0.11 72 -4.00 0.0009
2017-05-08 2017-03-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 881 1 72
2017-09-15 2016-12-31 13F/A-1 WEST PHARMACEUTICAL SVSC INC COM COM 955306105 880 -9 -1.01 75 13.64 0.0011
2017-02-14 2016-12-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 880 -9 75
2017-09-14 2016-09-30 13F/A-1 WEST PHARMACEUTICAL SVSC INC COM COM 955306105 889 -101 -10.20 66 -12.00 0.0010
2016-11-04 2016-09-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 889 -101 66
2017-09-14 2016-06-30 13F/A-1 WEST PHARMACEUTICAL SVSC INC COM COM 955306105 990 -12 -1.20 75 8.70 0.0013
2016-08-08 2016-06-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 990 -12 75
2017-09-14 2016-03-31 13F/A-1 WEST PHARMACEUTICAL SVSC INC COM COM 955306105 1,002 24 2.45 69 16.95 0.0012
2016-05-13 2016-03-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 1,002 24 69
2017-09-14 2015-12-31 13F/A-1 WEST PHARMACEUTICAL SVSC INC COM COM 955306105 978 978 59 0.0011
2016-02-12 2015-12-31 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 978 978 59
2015-11-10 2015-09-30 13F WEST PHARMACEUTICAL SVSC INC COM COM 955306105 0 0 0 0.0000
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.