ISRG vs UNH: Which Is the Better Buy?
Side-by-side comparison of Intuitive Surgical, Inc. and UnitedHealth Group Incorporated — fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-09-25.
Intuitive Surgical, Inc. · Healthcare
$399.52
+22.4% upside to fair value
Med Conviction
Grade B
High Quality
VS
UnitedHealth Group Incorporated · Healthcare
$375.21
+28.2% upside to fair value
Med Conviction
Grade B
High Quality
QuantHub Verdict
UNH has more upside to fair value
(+28.2%).
These are model outputs — not personalized investment advice.
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Valuation & Fundamentals
| Metric |
ISRG |
UNH |
| Current Price |
$399.52 |
$375.21 |
| Fair Value Estimate |
$488.97 |
$481.06 |
| Upside to Fair Value |
+22.4%
|
+28.2%
|
| Market Cap |
$141.1B |
$340.7B |
| Forward P/E |
—
|
—
|
| EV / EBITDA |
30.7x
|
15.0x
|
| Price / Sales |
12.8x
|
0.8x
|
| Price / FCF |
44.0x
|
14.4x
|
| Revenue Growth YoY |
+18.5%
|
+0.4%
|
| Gross Margin |
66.7%
|
22.5%
|
| Operating Margin |
31.3%
|
4.8%
|
| Return on Equity |
17.8%
|
14.6%
|
| Dividend Yield |
0% |
2.41% |
| FCF Yield |
2.28%
|
6.95%
|
| Analyst Consensus |
Strong Buy
|
Strong Buy
|
Investment Thesis
Intuitive Surgical develops, produces, and commercializes the da Vinci surgical system and the Ion endoluminal system, along with instruments, accessories, training, and digital solutions that drive a large installed-base and recurring-revenue model. Business quality is high: TTM gross margin of 66.7%, operating margin of 31.3%, net margin of 28.4%, ROE of 17.8%, and revenue growth of 18.5% with …
UnitedHealth Group is the largest diversified healthcare enterprise in the United States, operating UnitedHealthcare insurance plans alongside Optum Health, Optum Insight, and Optum Rx, with 390,000 employees and a market capitalization of $340.74 billion. The business quality is high: a 14.6% return on equity, $26.07 in free cash flow per share, and a P/FCF of 14.39 demonstrate strong cash gener…
Accumulation Zones
| Metric |
ISRG |
UNH |
| Zone Low |
$366.73 |
$360.80 |
| Zone High |
$415.62 |
$408.90 |
| In Buy Zone? |
Yes
|
Yes
|