APH vs RTX vs VICR Stock Comparison

Amphenol, Rtx and Vicor Prices as of Oct 29, 2026 Peers: Industry group
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APH Amphenol Corp /De/
$81.93 -2.9% 1M -41.4% 1Y
Market cap
$195.24B
P/E
32.9x
Revenue (TTM)
$33.05B
Div. yield
–
Electrical Equipment Industrials
1 win
RTX RTX Corp
$199.46 +6.6% 1M +13.1% 1Y
Market cap
$270.60B
P/E
32.2x
Revenue (TTM)
$95.99B
Div. yield
0.01%
Commercial Aerospace Industrials
5 wins
VICR Vicor Corp
$206.62 -28.9% 1M +126.6% 1Y
Market cap
$8.78B
P/E
48.7x
Revenue (TTM)
$560.70M
Div. yield
–
Electrical Equipment Industrials
3 wins

Head to Head

9 decided of 12

Rtx leads on 5 of the 12 questions below (Rtx 5, Vicor 3, Amphenol 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAPHRTXVICRLeader
Larger companyMarket capitalisation $195.24B $270.60B $8.78B RTX
Cheaper on earningsLower P/E, profitable companies only 32.9x 32.2x 48.7x RTX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 31.4x 27.9x 53.9x RTX
Faster revenue growthRevenue growth, trailing twelve months +57.6% +11.6% +27.0% APH
More profitableNet margin, trailing twelve months — 8.8% 32.2% VICR
Better return on capitalReturn on invested capital — 8.6% — –
Less leveragedLower net debt / EBITDA — 1.8x — –
Higher dividend yieldTrailing dividend yield 0.00% 0.01% 0.00% –
Better 1-year returnPrice return, last 12 months -41.4% +13.1% +126.6% VICR
Better 5-year returnAnnualised price return, 5 years +16.4%/yr +17.6%/yr +6.4%/yr RTX
Less volatileAnnualised volatility, 1 year 85.6% 25.2% 95.3% RTX
Higher overall scoreMean of the five percentile scores vs peers 47/100 56/100 61/100 VICR

Percentile Scorecard

APHRTXVICR

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisAPHRTXVICR
Valuation 15 #173 of 203 62 #39 of 100 9 #185 of 203
Growth 97 #7 of 188 75 #25 of 96 91 #17 of 188
Profitability 78 #42 of 183 70 #29 of 95 90 #20 of 183
Financial Health 27 #159 of 216 29 #75 of 105 100 #1 of 216
Shareholder Returns 21 #121 of 152 44 #37 of 65 13 #132 of 152
Overall 47 56 61
  • APH ranked among 222 companies in Machinery
  • RTX ranked among 107 companies in Aerospace and Defense
  • VICR ranked among 222 companies in Machinery

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodAPHRTXVICRSPY
1 month -2.9%+6.6%-28.9% +0.7%
3 months -48.8%-7.0%0.0% +3.7%
6 months -44.4%+13.3%-23.3% +7.1%
Year to date -39.4%+8.8%+88.5% +12.8%
1 year -41.4%+13.1%+126.6% +11.9%
3 years +104.9%+153.9%+418.4% +85.2%
3 years, per year +27.0%+36.4%+73.1% +22.8%
5 years +113.4%+124.5%+36.3% +67.6%
5 years, per year +16.4%+17.6%+6.4% +10.9%
10 years +400.4%+211.2%+1,489.4% +262.0%
10 years, per year +17.5%+12.0%+31.9% +13.7%

Risk

MeasureAPHRTXVICRSPY
Volatility, 1Y 85.6%25.2%95.3% 12.7%
Downside volatility, 1Y 114.2%24.0%101.2% 12.6%
Beta vs S&P 500, 1Y 1.710.273.77 1.00
Return / volatility, 1Y -0.480.521.33 0.94
Max drawdown, 5Y -58.6%-33.9%-80.5% -25.4%
From 52-week high -53.5%-11.5%-45.6% -1.2%
52-week high $176.32$225.49$379.78 $779.14
52-week low $73.07$168.02$83.28 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleAPHRTXVICR
P/E now vs peer median 34.0xmedian 25.8x 32.1xmedian 26.9x 52.9xmedian 25.8x
P/S now vs peer median 6.1xmedian 1.9x 2.8xmedian 3.0x 17.0xmedian 1.9x
EV/EBITDA now vs peer median —median 14.6x 19.0xmedian 15.0x 56.0xmedian 14.6x
P/FCF now vs peer median 44.1xmedian 22.2x 28.3xmedian 27.2x 187.5xmedian 22.2x
P/B now vs peer median 11.7xmedian 2.2x 3.8xmedian 2.5x 10.5xmedian 2.2x
PEG now vs peer median 0.77median 1.45 0.79median 0.93 1.11median 1.45

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsAPHRTXVICR
Revenue $33.05B $95.99B $560.70M
Gross profit $12.83B $20.25B $339.59M
Operating income $9.16B $11.30B $139.60M
Net income $5.99B $8.83B $180.33M
Free cash flow – $9.50B $50.83M
R&D – $2.85B $87.44M
EPS (diluted) $2.30 $6.14 $3.79
Cash & equivalents $4.17B $9.17B $513.14M
Total debt – $150.08B –
Shares (diluted) 2.58B 1.37B 47.61M
Enterprise value $188.76B $238.87B $7.01B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricAPHRTXVICR
P/E 34.0x 32.1x 52.9x
P/FCF 44.1x 28.3x 187.5x
P/Operating cash flow 31.2x 21.6x 99.2x
P/S 6.1x 2.8x 17.0x
P/B 11.7x 3.8x 10.5x
P/Tangible book 17.0x 6.7x 10.5x
EV/EBITDA – 19.0x 56.0x
EV/EBIT – 26.3x 64.6x
EV/Revenue 6.0x 3.1x 16.1x
EV/FCF – 31.3x 177.4x
EV/Operating cash flow 30.4x 23.9x 93.9x
PEG (3Y EPS CAGR) 0.77 0.79 1.11

Growth

14 metrics
MetricAPHRTXVICR
Revenue growth (1Y) 57.6% 11.6% 27.0%
Revenue CAGR (3Y) 38.4% 12.7% 10.3%
Gross profit growth (1Y) 70.2% 17.0% 35.6%
Gross profit CAGR (3Y) 47.2% 20.2% 18.0%
Operating income growth (1Y) 79.6% 28.2% 85.3%
Operating income CAGR (3Y) 53.4% 51.1% 38.9%
Net income growth (1Y) 55.4% 27.6% 119.1%
Net income CAGR (3Y) 45.7% 39.1% 50.4%
EPS growth (1Y) 54.5% 26.6% 106.8%
EPS CAGR (3Y) 43.9% 40.7% 47.8%
Operating cash flow growth (1Y) 44.0% 56.2% -28.3%
Operating cash flow CAGR (3Y) 39.4% 16.8% 21.2%
Free cash flow growth (1Y) – 81.4% -56.7%
Free cash flow CAGR (3Y) – 21.2% 50.4%

Profitability

14 metrics
MetricAPHRTXVICR
Gross margin – 21.1% 60.6%
EBITDA margin – 16.3% 28.7%
Operating margin – 11.8% 24.9%
Pretax margin – 11.3% 28.1%
Net margin – 8.8% 32.2%
FCF margin – 9.9% 9.1%
Operating cash flow margin 19.6% 13.0% 17.1%
Return on equity 36.4% 12.7% 20.7%
Return on assets 13.0% 5.0% 19.2%
Return on invested capital – 8.6% –
Return on capital employed – 10.1% 16.0%
Asset turnover 0.7x 0.5x 0.6x
Cash conversion (OCF / net income) 1.1x 1.4x 0.5x
Stock comp / revenue 0.5% 0.7% 3.2%

Financial Health

11 metrics
MetricAPHRTXVICR
Debt / assets – 21.2% –
Debt / equity – 0.5x –
Net debt / EBITDA – 1.8x –
Debt / FCF – 3.9x –
Liabilities / assets 63.3% 59.8% 7.6%
Equity / assets 36.7% 40.2% 92.4%
Interest coverage – – –
Current ratio 1.9x 1.0x 11.4x
Quick ratio 0.5x 0.7x 9.6x
Cash ratio 0.5x 0.1x 7.7x
Altman Z-score – 2.78 78.88

Shareholder Returns

7 metrics
MetricAPHRTXVICR
Dividend yield 0.5% 1.4% –
Net buyback yield – – -0.8%
Shareholder yield 0.5% 1.4% -0.8%
Payout ratio (earnings) – 43.0% –
Payout ratio (FCF) – 40.0% –
Dividend growth (1Y) – 9.6% –
Dividend CAGR (3Y) – 5.2% –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusAPHRTXVICR
Forward P/E 31.4xFY2026 27.9xFY2026 53.9xFY2026
EPS, next fiscal year $2.61FY2026 $7.14FY2026 $3.83FY2026
EPS growth, next FY +56.3%FY2026 +13.5%FY2026 +46.7%FY2026
EPS growth, the year after +35.6% +6.7% +72.6%
Revenue, next fiscal year $33.34BFY2026 $99.89BFY2026 $609.82MFY2026
Revenue growth, next FY +44.4%FY2026 +12.7%FY2026 +34.7%FY2026
Revenue growth, the year after +33.4% +2.4% +63.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAPHRTXVICR
Held by institutions 96.0% 79.9% 47.7%
Institutions holding 2,331 3,415 511
Change in shares held, QoQ +2.6% +15.9% +3.9%
Institutions buying 1,361 1,718 349
Institutions selling 773 1,267 130
Buyers to sellers 1.76 1.36 2.68

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

APHRTXVICR
APH 1.00 0.12 0.22
RTX 0.12 1.00 0.00
VICR 0.22 0.00 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, APH, RTX and VICR?

Rtx (RTX) is the largest by market capitalisation: Amphenol (APH) $195.24B, Rtx (RTX) $270.60B, Vicor (VICR) $8.78B.

Which stock is cheaper, APH, RTX and VICR?

Rtx (RTX) trades on the lowest price-to-earnings ratio (Amphenol (APH) 32.9x, Rtx (RTX) 32.2x, Vicor (VICR) 48.7x). On next year's consensus earnings, Rtx (RTX) is cheapest (Amphenol (APH) 31.4x, Rtx (RTX) 27.9x, Vicor (VICR) 53.9x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Amphenol (APH) grew revenue fastest over the trailing twelve months: Amphenol (APH) +57.6%, Rtx (RTX) +11.6%, Vicor (VICR) +27.0%.

Which company is more profitable?

Vicor (VICR) has the highest net margin (Rtx (RTX) 8.8%, Vicor (VICR) 32.2%).

Which stock has performed better?

Over the past year Vicor (VICR) returned the most: Amphenol (APH) -41.4%, Rtx (RTX) +13.1%, Vicor (VICR) +126.6%. Over five years, Rtx (RTX) compounded fastest (Amphenol (APH) +16.4%/yr, Rtx (RTX) +17.6%/yr, Vicor (VICR) +6.4%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Amphenol (APH) 0.00%, Rtx (RTX) 0.01%, Vicor (VICR) 0.00%. Amphenol (APH) and Vicor (VICR) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Rtx (RTX) has been the steadiest (Amphenol (APH) 85.6%, Rtx (RTX) 25.2%, Vicor (VICR) 95.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, APH, RTX and VICR?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Rtx (RTX) leads on 5. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.