Heartflow Inc. Common Stock vs Onto Innovation — how do they compare? Heartflow Inc. Common Stock trades at $49.44 (market cap $4.38B), while Onto Innovation trades at $236.5 (market cap $12.93B). The key difference: Onto Innovation is far larger — about 3× Heartflow Inc. Common Stock's market cap, and Heartflow Inc. Common Stock is trading nearer its 52-week high, Onto Innovation nearer its low. Which is the better fit depends on your goals — on Pluang, investors hold Heartflow Inc. Common Stock for 0 Days and Onto Innovation for 7 Days on average.
| HTFL | ONTO | |
|---|---|---|
Market Cap | $4.38B | $12.93B |
Volume | 1,454,420 | 1,098,259 |
Sector | Health | Technology |
52-Week High | $52.21 | $378.45 |
52-Week Low | $20.49 | $124.09 |
Typical Hold Time | 0 Days | 7 Days |
Enterprise Value | $4.24B | $12.52B |
Signals from Pluang's Aura AI — not financial advice
No Aura AI signal available yet.
ONTO trades at $263.55, down 3.72% with bearish technical signals but strong analyst support. The stock shows mixed earnings performance with a Q2 2026 beat but misses in prior quarters. Revenue grew to $1.01B in 2025 with 11.84% net margin, though valuation remains elevated at P/E 98.71. Recent news highlights a $1.1B backlog and strategic partnerships in semiconductor manufacturing.
Outlook remains positive with 100% analyst buy ratings and $387 consensus target suggesting 47% upside. Key risks include high valuation multiples and semiconductor cycle volatility. Growth catalysts include AI-driven demand and Dragonfly G5 product momentum, though execution on backlog conversion is critical.
Trailing returns across standard periods
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HeartFlow, Inc. develops AI-powered software that analyzes coronary CT angiography scans to build personalized 3D heart models for coronary artery disease diagnosis, including its FFRct Analysis, Plaque Analysis, and Roadmap Analysis tools.
Read more on HTFL →Onto Innovation provides process control solutions for semiconductor manufacturing. Its inspection and metrology systems help chipmakers measure, analyze, and detect defects on wafers and advanced packages.
Read more on ONTO →