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STOCK COMPARISON

Thermo Fisher Scientific vs UnitedHealth Group: Fair Value & Quality

Both stocks run through our valuation models. Here is how Thermo Fisher Scientific (TMO) and UnitedHealth Group (UNH) compare, as of Sep 4, 2026.

As of Sep 4, 2026, Fair Value Calculator sees UnitedHealth Group as the more attractively valued of the two: Thermo Fisher Scientific trades at $618 versus a fair value of $308 (-50%), while UnitedHealth Group trades at $401 versus $526 (+31%).
Thermo Fisher Scientific
TMO · USD · Health Care
-50%
upside to fair value
overvalued
Price$618
Fair Value$308
Quality64/100
UnitedHealth Group
UNH · USD · Health Care
+31%
upside to fair value
undervalued
Price$401
Fair Value$526
Quality62/100
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Head-to-head numbers

Green value = the better side for that row (for valuation multiples: lower = cheaper).

Thermo Fisher ScientificUnitedHealth Group
Valuation
29.5×P/E (TTM)31.9×
4.41×P/S (TTM)0.86×
3.74×P/B4.09×
20.0×EV/EBITDA20.2×
1.74×PEG1.49×
−50.2%Fair value upside+31.1%
0.3%Dividend yield2.2%
$1.76Dividend per share$8.84
Profitability
18%Operating margin8%
0.74×EBIT margin trend (5Y)0.48×
14%Return on equity12%
5%Return on assets4%
Growth
6%Revenue growth (YoY)2%
-0.3%Avg. growth/yr (3Y)11.4%
6.7%Avg. growth/yr (5Y)11.7%
+2.6%Value creation/yr−0.4%
Balance & size
5.7×Interest coverage (EBIT/interest)4.7×
0.67×Debt / equity0.77×
$199BMarket cap$384B
healthyGrowth qualitymixed

Thermo Fisher Scientific leads: 10 to 6 metric wins.

Dash = not meaningfully computable, for example with negative equity.

Quality in detail

The quality score, broken down into the same factor families as on the stock page, 0 to 100 per family.

Thermo Fisher Scientificof which business quality 60 · market factors 71 UnitedHealth Groupof which business quality 60 · market factors 72
ProfitabilityMargins and returns on capital today
43
52
Quality GrowthAre margins and returns improving?
31
48
CashflowEarnings quality: real cash, not paper profit
62
52
Fin. StrengthBalance sheet, leverage, solvency risk
60
51
InvestmentDisciplined investing over empire-building
79
76
Low VolatilityCalm price path (market factor)
69
71
MomentumPrice trend over the last 3–12 months (market factor)
68
72
52W MomentumDistance to the 52-week high (market factor)
77
72
Net IssuanceBuybacks instead of dilution
97
99

What the models say

How far the median fair value (base case) per model family sits from the current price, in percent. The amount in the currency of the trading venue is shown underneath.

above the price, more than 15% above close to the price, 85% to 115% of the price below the price, more than 15% below

Model familyThermo Fisher ScientificPrice $618UnitedHealth GroupPrice $401
DCF Models-43%below the price$354-10%close to the price$362
Earnings-Based-67%below the price$203-51%below the price$196
Multiples-50%below the price$308-35%below the price$259
Asset-Based-84%below the price$96.29-83%below the price$69.43
Growth DCF-53%below the price$288-5%close to the price$382
Economic Profit-74%below the price$159-54%below the price$186
Growth Earnings-45%below the price$341-27%below the price$292
Minimum-84%below the price$96.29-83%below the price$69.43
Maximum-43%below the price$354-5%close to the price$382
Median-53%below the price$288-35%below the price$259
Geometric mean-63%below the price$229-45%below the price$222

Minimum, maximum, median and geometric mean refer to the family values in this table. Geometric because deviations are ratios: half the price and twice the price average to 100%, not 125%.

Thermo Fisher Scientific: 24 of 24 models see the stock below the current price.

UnitedHealth Group: 19 of 24 models see the stock below the current price.

Scenario ranges

From our cautious bear case to the optimistic bull case. The white tick is the current price: left of fair value means room to run.

Thermo Fisher Scientific
Bear $171Fair Value $308Bull $385
$618 = current price (white tick)
UnitedHealth Group
Bear $368Fair Value $526Bull $657
$401 = current price (white tick)

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Ranked within their sector

Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.

Thermo Fisher Scientific · Health Care

Quality score64 · Top 25%
Fair value upside-50% · below median

UnitedHealth Group · Health Care

Quality score62 · above median
Fair value upside+31% · Top 25%

Bottom line

As of Sep 4, 2026, Fair Value Calculator sees UnitedHealth Group as the more attractively valued of the two: Thermo Fisher Scientific trades at $618 versus a fair value of $308 (-50%), while UnitedHealth Group trades at $401 versus $526 (+31%).

Thermo Fisher Scientific has the higher quality score (64/100).

See the full analysis →
Thermo Fisher Scientific · UnitedHealth Group

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A model-based valuation snapshot from 26 models. Values change with price and fundamentals; the date shown above applies.