ANET vs TMO: Which Is the Better Buy?
Side-by-side comparison of Arista Networks, Inc. and Thermo Fisher Scientific Inc. — fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-06-20.
Arista Networks, Inc. · Technology
$169.67
+23.8% upside to fair value
Grade B
High Quality
VS
Thermo Fisher Scientific Inc. · Healthcare
$464.61
+7.2% upside to fair value
Grade A
High Quality
QuantHub Verdict
ANET has more upside to fair value
(+23.8%).
TMO trades at a lower forward P/E
(25.2x).
These are model outputs — not personalized investment advice.
See all research →
Valuation & Fundamentals
| Metric |
ANET |
TMO |
| Current Price |
$169.67 |
$464.61 |
| Fair Value Estimate |
$210.04 |
$498.27 |
| Upside to Fair Value |
+23.8%
|
+7.2%
|
| Market Cap |
$213.6B |
$172.7B |
| Forward P/E |
57.3x
|
25.2x
|
| EV / EBITDA |
45.4x
|
19.1x
|
| Price / Sales |
22.0x
|
3.8x
|
| Price / FCF |
40.5x
|
25.6x
|
| Revenue Growth YoY |
+35.1%
|
+6.2%
|
| Gross Margin |
63.5%
|
39.4%
|
| Operating Margin |
42.8%
|
17.8%
|
| Return on Equity |
30.6%
|
13.3%
|
| Dividend Yield |
0% |
0% |
| FCF Yield |
2.47%
|
3.91%
|
| Analyst Consensus |
Strong Buy
|
Strong Buy
|
Investment Thesis
Arista Networks is a leading provider of cloud and AI data center switching solutions with a durable competitive moat driven by its software-centric operating model and strong relationships with hyperscale and enterprise customers. The company exhibits high business quality with a 30.6% return on equity, strong profitability margins including a 63.5% gross margin and 42.8% operating margin, and r…
Thermo Fisher Scientific is a leading healthcare company specializing in life science tools, diagnostics, and contract research and manufacturing services. It operates with a broad, multi-layered moat driven by scale, integration, and a long-tenured management team. The company exhibits solid fundamentals with a 13.3% ROE, 6.2% revenue growth, and 9.6% earnings growth in the most recent quarter. …
Accumulation Zones
| Metric |
ANET |
TMO |
| Zone Low |
$157.53 |
$373.70 |
| Zone High |
$178.53 |
$423.53 |
| In Buy Zone? |
Yes
|
No
|