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Company Profile

WST insider trades (13 months) →

Today's multi-factor rank: 214 of 466 · see the ranking

West Pharmaceutical Services, Inc. (WST): Quantitative Analysis

West Pharmaceutical Services, Inc. (WST) — Healthcare — Medical Instruments & Supplies. WST is in the S&P 500 today. Model factor scores and market data, recalculated every trading day.

So far in 2026, WST has returned +31.9% against +12.2% for the S&P 500 (SPY): total return, dividends included on both sides, from Dec 31, 2025 to Sep 18, 2026.

WST ranks 214 of 466 on today's multifactor score, and 30 of the 55 Healthcare companies that score. Its strongest factor is momentum (Z 0.51, ranked 118 of 497); its weakest is value (Z -0.65, ranked 437 of 494). Each factor ranks only the companies with data for it, and the multifactor score only those with all four: that is why the totals differ.

Factor scores

The Z-Score is how many standard deviations the company sits from the index average: 0 is average, positive is better than average, negative is worse.

FactorZ-ScoreRank
Multifactor-0.029214 of 466 ↑28
Momentum0.505118 of 497 ↑14
Value-0.654437 of 494 ↑4
Quality0.225135 of 473 =
Growth-0.194275 of 494 ↑1

Market data

MetricValue
Price$362.31
Market Cap25.50B
P/E46.93
Revenue (last 12 months)3.33B
Price / book8.53
Book value per share$42.47
52-week range$223.83 – $386.00
Dividend yield0.24%
Beta1.14
Average volume688,706
Shares outstanding70.38M
Short interest (% of float)3.65% (as of Aug 31, 2026)

When does WST report earnings? 12 of its last 12, before the open →

What are WST insiders doing? 48 transactions filed with the SEC, of them 6 sells, the last one on Sep 15, 2026 →

Data as of Sep 18, 2026. Source: point-in-time SEC fundamentals and closing prices. Method and formulas are on the home page.

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S&P 500 market gravity