Aptiv PLC vs DexCom, Inc. — how do they compare? Aptiv PLC trades at $50.1 (market cap $10.34B), while DexCom, Inc. trades at $88.22 (market cap $33.08B). The key difference: DexCom, Inc. is far larger — about 3.2× Aptiv PLC's market cap, and DexCom, Inc. is trading nearer its 52-week high, Aptiv PLC nearer its low. Which is the better fit depends on your goals.
| APTV | DXCM | |
|---|---|---|
Market Cap | $10.34B | $33.08B |
Sector | Consumer Cyclical | Health |
52-Week High | $76.82 | $89.53 |
52-Week Low | $46.30 | $54.84 |
Enterprise Value | $15.27B | $32.53B |
Signals from Pluang's Aura AI — not financial advice
APTV stock trades at $49.55, up 7.02% in the last session, but remains under bearish technical pressure with support at $48 and resistance at $50. The company reported Q2 2026 EPS of $1.63, beating estimates, but lowered full-year guidance due to weak China demand. Revenue grew 2% year-over-year to $20.4B in 2025, though net margins compressed to 1.07%.
The outlook is mixed: strong analyst buy consensus (63.6%) and a $70.09 price target suggest upside, but technical weakness, margin pressures, and China exposure pose near-term risks. Earnings beats highlight operational strength, but investors face volatility from guidance cuts and competitive headwinds.
DXCM trades at $84.75, up 2.08% today and near its 52-week high. The stock shows bullish technical momentum with strong earnings beats in recent quarters, including Q2 2026 EPS of $0.70 versus $0.61 expected. Revenue growth accelerated to 13% year-over-year in Q2 2026, driven by G7 system adoption and international expansion. Cash flow from operations improved to $1.44 billion in 2025, supporting financial flexibility.
Outlook remains positive with raised FY2026 guidance and 80% analyst buy ratings, though valuation multiples like P/E of 33.5 suggest premium pricing. Key risks include competitive pressures in glucose monitoring and reliance on reimbursement policies. The consensus price target of $88.65 implies modest upside from current levels.
Trailing returns across standard periods
Aptiv's signal and power solutions segment supplies components and systems that make up a vehicle's electrical system backbone, including wiring assemblies and harnesses, connectors, electrical centers, and hybrid electrical systems. The advanced safety and user experience segment provides body controls, infotainment and connectivity systems, passive and active safety electronics, advanced driver-assist technologies, and displays, as well as the development of software for these systems. Aptiv's largest customer is General Motors at roughly 12% of 2021 revenue, including sales to GM's Shanghai joint venture, followed by Stellantis at 11%, and Volkswagen at 9%. North America and Europe represented approximately 38% and 33% of total 2019 revenue, respectively.
Read more on APTV →Dexcom designs and commercializes continuous glucose monitoring systems for diabetics. CGM systems serve as an alternative to the traditional blood glucose meter process, and the company is evolving its CGM systems to include the disposable sensor and the durable receiver.
Read more on DXCM →