Dexcom vs West Pharmaceutical Services (DXCM vs WST)
Side by side from their SEC filings: revenue, margins, growth, returns and valuation, plus short interest, insider activity and institutional ownership.
Dexcom is the larger company by revenue ($4.7B vs $3.1B) and market value ($28.9B vs $25.3B). Dexcom has grown revenue faster over the last 4 fiscal years (+90.4% cumulative vs +8.6%). Dexcom trades at the lower trailing P/E (32.2x vs 48.5x).
About Dexcom
Dexcom Inc is a medical device company that designs, develops, and sells continuous glucose monitoring systems for diabetes and metabolic health management. Its main products include the Dexcom G7 and G7 15 Day systems, which provide real-time glucose readings and alerts to patients, caregivers, and clinicians. The company serves people with diabetes, including those using insulin, as well as adults with prediabetes and Type 2 diabetes who do not use insulin.
About West Pharmaceutical Services
West Pharmaceutical Services Inc manufactures advanced containment and delivery systems for injectable drugs and healthcare products. Its main offerings include proprietary packaging components, drug delivery devices, and contract manufacturing services for pharmaceutical, biologic, generic, diagnostic, and medical device companies worldwide. The company operates through two segments: Proprietary Products, which provides packaging and delivery solutions, and Contract-Manufactured Products, which focuses on custom manufacturing and assembly of complex devices.
Head to head (DXCM FY2025 vs WST FY2025)
| Metric | DXCMFY2025 | WSTFY2025 |
|---|---|---|
| Revenue | $4.66B | $3.07B |
| Revenue growth (YoY) | 15.6% | 6.3% |
| Gross margin | 60.1% | 35.9% |
| Operating margin | 19.6% | 19.0% |
| Net margin | 17.9% | 16.1% |
| Net income | $836.3M | $493.7M |
| Diluted EPS | $2.09 | $6.79 |
| FCF margin | 23.1% | 15.3% |
| ROE | 30.5% | 15.5% |
| Debt / equity | — | 0.1× |
| Market cap | $28.93B | $25.31B |
| P/E (TTM) | 32.2× | 48.5× |
Fundamentals are from each company’s SEC filings (DXCM FY2025, WST FY2025). P/E and market cap are derived from recent market prices and update daily.
Five-year trend (as reported)
| Revenue | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|
| DXCM | $2.45B | $2.91B | $3.62B | $4.03B | $4.66B |
| WST | $2.83B | $2.89B | $2.95B | $2.89B | $3.07B |
Peer standing
Where each company ranks among the 88 medical device companies, on the same scale. Each figure is ranked only against peers that report it. Percentiles describe position in the distribution, not a rating.
| Metric | DXCM | WST |
|---|---|---|
| Gross margin | 60.1%43rd percentile of 77 | 35.9%11th percentile of 77 |
| Operating margin | 19.6%92nd percentile of 80 | 19.0%90th percentile of 80 |
| Net margin | 17.9%90th percentile of 81 | 16.1%89th percentile of 81 |
| FCF margin | 23.1%93rd percentile of 74 | 15.3%82nd percentile of 74 |
| Revenue growth (YoY) | +15.6%57th percentile of 87 | +6.3%30th percentile of 87 |
| ROE | 30.5%95th percentile of 79 | 15.5%85th percentile of 79 |
| P/E (TTM) | 32.2×52nd percentile of 32 | 48.5×81st percentile of 32 |
| Short interest (days to cover) | 3.60d51st percentile of 88 | 2.33d30th percentile of 88 |
Short interest
| FINRA settlement data | DXCM | WST |
|---|---|---|
| Shares sold short | 18.1M | 2.3M |
| Change vs prior settlement | +6.4% | +1.3% |
| Days to cover | 3.60 | 2.33 |
| As of settlement | 2026-06-30 | 2026-06-30 |
Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data; republishing or redistributing it is not permitted. Not presented as a percentage of float. No FINRA endorsement of this product is implied.
Insider activity (last 90 days)
| Form 4 open-market activity | DXCM | WST |
|---|---|---|
| Buys | 0 | 0 |
| Sells | 10 ($5.3M) | 2 ($1.1M) |
Open-market purchases and sales reported on SEC Form 4 (grants, exercises and tax withholding excluded). For context, about 16% of covered companies saw any open-market insider buy in a 90-day window.
Held by the same investors
9 tracked 13F managers hold both Dexcom and West Pharmaceutical Services as of their latest quarterly filings: AQR Capital Management, Bridgewater Associates, Citadel Advisors, D. E. Shaw, Gotham Asset Management, Millennium Management, Point72 Asset Management, Renaissance Technologies, Two Sigma Investments. See which superinvestors hold your own portfolio with the smart money checker.
Go deeper
BDX vs DXCMBSX vs DXCMDXCM vs MDLNDXCM vs MMMDXCM vs RMDDXCM vs SYKAll medical device stocks →All comparisons →
Track DXCM and WST
Get an alert when either company files something material, see which superinvestors own them, and ask their filings a question with cited answers.
Start monitoring freeIncludes one free filing-grounded research answer. Or check your whole portfolio, no account needed.
Data sourced from SEC EDGAR (public domain). Figures are as-reported and may be unaudited or restated; verify against the source filings before relying on them. Comparisons are descriptive (higher or lower on a reported figure), not a rating or a recommendation. Informational only. Not investment advice.