WST
West Pharmaceutical Services Inc.Stock · HealthcareS&P 500 Equal Weight 0.2% · S&P 500 0.04% · Russell 1000 0.04% · US Stock Market 0.04% · Russell 3000 0.03% · MSCI World 0.03% · MSCI ACWI 0.02%$362.31-1.17%
as of market close, Sep 18, 2026
☾ AH — —
West Pharmaceutical Services Inc. monthly returns
West Pharmaceutical Services Inc. has averaged 1.41% per month, positive in 59% of months. Month-by-month returns for West Pharmaceutical Services Inc. (WST) below, through September 18, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+1.4%
468 months
Best month
+38.0%
Jun 1986
Worst month
-31.9%
Feb 2025
Positive months
59%
of all months
West Pharmaceutical Services Inc. monthly returns#
| Month | Path | Total return |
|---|---|---|
| Sep 2026 | +6.2% | |
| Aug 2026 | +0.0% | |
| Jul 2026 | -4.3% | |
| Jun 2026 | +10.4% | |
| May 2026 | +8.5% | |
| Apr 2026 | +18.8% | |
| Mar 2026 | -1.5% | |
| Feb 2026 | +10.0% | |
| Jan 2026 | -15.9% | |
| Dec 2025 | -0.8% | |
| Nov 2025 | -1.6% | |
| Oct 2025 | +7.5% | |
| Sep 2025 | +6.2% | |
| Aug 2025 | +3.2% | |
| Jul 2025 | +9.4% | |
| Jun 2025 | +3.8% | |
| May 2025 | -0.2% | |
| Apr 2025 | -5.5% | |
| Mar 2025 | -3.6% | |
| Feb 2025 | -31.9% | |
| Jan 2025 | +4.3% | |
| Dec 2024 | +0.6% | |
| Nov 2024 | +5.8% | |
| Oct 2024 | +2.6% | |
| Sep 2024 | -4.3% | |
| Aug 2024 | +2.4% | |
| Jul 2024 | -7.0% | |
| Jun 2024 | -0.6% | |
| May 2024 | -7.3% | |
| Apr 2024 | -9.6% | |
| Mar 2024 | +10.4% | |
| Feb 2024 | -3.9% | |
| Jan 2024 | +6.0% | |
| Dec 2023 | +0.4% | |
| Nov 2023 | +10.3% | |
| Oct 2023 | -15.2% | |
| Sep 2023 | -7.8% | |
| Aug 2023 | +10.6% | |
| Jul 2023 | -3.7% | |
| Jun 2023 | +14.3% | |
| May 2023 | -7.4% | |
| Apr 2023 | +4.3% | |
| Mar 2023 | +9.3% | |
| Feb 2023 | +19.4% | |
| Jan 2023 | +12.9% | |
| Dec 2022 | +0.3% | |
| Nov 2022 | +2.1% | |
| Oct 2022 | -6.5% | |
| Sep 2022 | -17.1% | |
| Aug 2022 | -13.6% | |
| Jul 2022 | +13.7% | |
| Jun 2022 | -2.6% | |
| May 2022 | -1.5% | |
| Apr 2022 | -23.3% | |
| Mar 2022 | +6.1% | |
| Feb 2022 | -1.6% | |
| Jan 2022 | -16.1% | |
| Dec 2021 | +6.0% | |
| Nov 2021 | +3.0% | |
| Oct 2021 | +1.3% | |
| Sep 2021 | -6.0% | |
| Aug 2021 | +9.7% | |
| Jul 2021 | +14.7% | |
| Jun 2021 | +3.3% | |
| May 2021 | +5.8% | |
| Apr 2021 | +16.7% | |
| Mar 2021 | +0.4% | |
| Feb 2021 | -6.3% | |
| Jan 2021 | +5.8% | |
| Dec 2020 | +3.0% | |
| Nov 2020 | +1.2% | |
| Oct 2020 | -1.0% | |
| Sep 2020 | -3.2% | |
| Aug 2020 | +5.6% | |
| Jul 2020 | +18.4% | |
| Jun 2020 | +5.2% | |
| May 2020 | +14.1% | |
| Apr 2020 | +24.4% | |
| Mar 2020 | +1.1% | |
| Feb 2020 | -3.5% | |
| Jan 2020 | +3.8% | |
| Dec 2019 | +2.2% | |
| Nov 2019 | +2.2% | |
| Oct 2019 | +1.5% | |
| Sep 2019 | -2.5% | |
| Aug 2019 | +6.0% | |
| Jul 2019 | +9.8% | |
| Jun 2019 | +9.2% | |
| May 2019 | -7.4% | |
| Apr 2019 | +12.5% | |
| Mar 2019 | +5.2% | |
| Feb 2019 | -3.3% | |
| Jan 2019 | +10.6% | |
| Dec 2018 | -10.5% | |
| Nov 2018 | +3.4% | |
| Oct 2018 | -14.1% | |
| Sep 2018 | +5.5% | |
| Aug 2018 | +6.7% | |
| Jul 2018 | +10.6% | |
| Jun 2018 | +6.8% | |
| May 2018 | +5.4% | |
| Apr 2018 | +0.1% | |
| Mar 2018 | +1.2% | |
| Feb 2018 | -13.0% | |
| Jan 2018 | +1.7% | |
| Dec 2017 | -1.3% | |
| Nov 2017 | -1.4% | |
| Oct 2017 | +5.5% | |
| Sep 2017 | +10.6% | |
| Aug 2017 | -1.9% | |
| Jul 2017 | -6.0% | |
| Jun 2017 | -2.6% | |
| May 2017 | +5.4% | |
| Apr 2017 | +13.0% | |
| Mar 2017 | -1.0% | |
| Feb 2017 | -2.6% | |
| Jan 2017 | -0.1% | |
| Dec 2016 | +4.5% | |
| Nov 2016 | +6.7% | |
| Oct 2016 | +2.2% |
Monthly total return (since Oct 2021)#
-30%-20%-10%0%10%20%30%
Oct 2021+1.3%
Nov 2021+3.0%
Dec 2021+6.0%
Jan 2022-16%2022
Feb 2022-1.6%
Mar 2022+6.1%
Apr 2022-23%
May 2022-1.5%
Jun 2022-2.6%
Jul 2022+14%
Aug 2022-14%
Sep 2022-17%
Oct 2022-6.5%
Nov 2022+2.1%
Dec 2022+0.29%
Jan 2023+13%2023
Feb 2023+19%
Mar 2023+9.3%
Apr 2023+4.3%
May 2023-7.4%
Jun 2023+14%
Jul 2023-3.7%
Aug 2023+11%
Sep 2023-7.8%
Oct 2023-15%
Nov 2023+10%
Dec 2023+0.39%
Jan 2024+6.0%2024
Feb 2024-3.9%
Mar 2024+10%
Apr 2024-9.6%
May 2024-7.3%
Jun 2024-0.61%
Jul 2024-7.0%
Aug 2024+2.4%
Sep 2024-4.3%
Oct 2024+2.6%
Nov 2024+5.8%
Dec 2024+0.58%
Jan 2025+4.3%2025
Feb 2025-32%
Mar 2025-3.6%
Apr 2025-5.5%
May 2025-0.21%
Jun 2025+3.8%
Jul 2025+9.4%
Aug 2025+3.2%
Sep 2025+6.2%
Oct 2025+7.5%
Nov 2025-1.6%
Dec 2025-0.76%
Jan 2026-16%2026
Feb 2026+10%
Mar 2026-1.5%
Apr 2026+19%
May 2026+8.5%
Jun 2026+10%
Jul 2026-4.3%
Aug 2026+0.04%
Sep 2026+6.2%
Methodology#
Monthly returns are total returns (dividends reinvested), computed from WST's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
FAQ#
- What is West Pharmaceutical Services Inc.'s average monthly return?
- West Pharmaceutical Services Inc. (WST) has averaged about 1.41% per month, positive in roughly 59% of months. The best month was Jun 1986 (+38.0%) and the worst was Feb 2025 (-31.9%).
More on West Pharmaceutical Services Inc.
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