INIS vs VTRS vs AMPH Stock Comparison

Radnostix, Viatris and Amphastar Pharmaceuticals Prices as of Oct 27, 2026 Peers: Industry group
INIS Radnostix Inc
$0.04 -33.3% 1M -33.3% 1Y
Market cap
$21.17M
P/E
–
Revenue (TTM)
$11.23M
Div. yield
–
Generic Drugs Healthcare
1 win
VTRS Viatris Inc
$18.72 +5.0% 1M +79.7% 1Y
Market cap
$21.50B
P/E
–
Revenue (TTM)
$14.74B
Div. yield
2.56%
Generic Drugs Healthcare
5 wins

Head to Head

10 decided of 12

Viatris leads on 5 of the 12 questions below (Viatris 5, Amphastar Pharmaceuticals 4, Radnostix 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionINISVTRSAMPHLeader
Larger companyMarket capitalisation $21.17M $21.50B $1.09B VTRS
Cheaper on earningsLower P/E, profitable companies only -7.4x -53.0x 14.2x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 7.1x 8.3x VTRS
Faster revenue growthRevenue growth, trailing twelve months -23.7% +4.4% +1.0% VTRS
More profitableNet margin, trailing twelve months -25.5% -2.8% 10.8% AMPH
Better return on capitalReturn on invested capital — -0.2% 6.4% AMPH
Less leveragedLower net debt / EBITDA -0.5x 4.6x 1.8x INIS
Higher dividend yieldTrailing dividend yield — 2.56% — –
Better 1-year returnPrice return, last 12 months -33.3% +79.7% +6.4% VTRS
Better 5-year returnAnnualised price return, 5 years -16.8%/yr +7.0%/yr +7.1%/yr AMPH
Less volatileAnnualised volatility, 1 year 170.4% 32.4% 54.2% VTRS
Higher overall scoreMean of the five percentile scores vs peers 51/100 66/100 73/100 AMPH

Percentile Scorecard

INISVTRSAMPH

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

AxisINISVTRSAMPH
Valuation 83 #110 of 625 93 #44 of 625 99 #8 of 625
Growth 2 #589 of 602 48 #314 of 602 43 #342 of 602
Profitability 72 #157 of 551 81 #104 of 551 88 #69 of 551
Financial Health 16 #551 of 656 23 #508 of 656 38 #409 of 656
Shareholder Returns 82 #66 of 365 85 #54 of 365 99 #5 of 365
Overall 51 66 73
  • INIS ranked among 672 companies in Pharmaceuticals and Biotechnology
  • VTRS ranked among 672 companies in Pharmaceuticals and Biotechnology
  • AMPH ranked among 672 companies in Pharmaceuticals and Biotechnology

Price Performance

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

Returns

PeriodINISVTRSAMPHSPY
1 month -33.3%+5.0%-2.1% -0.2%
3 months -33.3%+4.8%+26.9% +3.9%
6 months -42.9%+26.3%+17.2% +8.2%
Year to date -33.3%+50.4%-4.5% +12.9%
1 year -33.3%+79.7%+6.4% +12.3%
3 years -20.0%+113.5%-42.7% +87.4%
3 years, per year -7.2%+28.8%-17.0% +23.3%
5 years -60.0%+40.4%+41.0% +67.9%
5 years, per year -16.8%+7.0%+7.1% +10.9%
10 years -42.9%-50.8%+39.0% +261.1%
10 years, per year -5.4%-6.8%+3.3% +13.7%

Risk

MeasureINISVTRSAMPHSPY
Volatility, 1Y 170.4%32.4%54.2% 12.7%
Downside volatility, 1Y 266.0%29.6%66.4% 12.7%
Beta vs S&P 500, 1Y 1.980.700.58 1.00
Return / volatility, 1Y -0.202.460.12 0.97
Max drawdown, 5Y -70.0%-52.9%-74.0% -25.4%
From 52-week high -63.6%0.0%-13.0% -1.2%
52-week high $0.11$18.72$29.40 $779.14
52-week low $0.04$10.11$16.87 $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.

MultipleINISVTRSAMPH
P/E now vs peer median -7.4xmedian 17.2x -53.0xmedian 17.2x 14.2xmedian 17.2x
P/S now vs peer median 1.9xmedian 9.0x 1.5xmedian 9.0x 1.5xmedian 9.0x
EV/EBITDA now vs peer median -8.9xmedian 16.3x 12.5xmedian 16.3x 8.1xmedian 16.3x
P/FCF now vs peer median -22.9xmedian 18.7x 11.0xmedian 18.7x 7.1xmedian 18.7x
P/B now vs peer median 11.2xmedian 2.2x 1.5xmedian 2.2x 1.4xmedian 2.2x
PEG now vs peer median 0.20median 0.33 1.73median 0.33 -5.55median 0.33

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 monthsINISVTRSAMPH
Revenue $11.23M $14.74B $730.02M
Gross profit $6.04M $5.13B $348.11M
Operating income -$2.90M -$87.30M $114.29M
Net income -$2.86M -$410.70M $78.55M
Free cash flow -$925.24K $1.95B $152.89M
R&D $490.38K $1.02B $94.57M
EPS (diluted) $-0.01 $-0.35 $1.78
Cash & equivalents $1.20M $886.50M $223.61M
Total debt $8.26M $13.35B $612.05M
Shares (diluted) 529.12M 1.16B 44.23M
Enterprise value $15.28M $16.51B -$53.55M

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
MetricINISVTRSAMPH
P/E -7.4x -53.0x 14.2x
P/FCF -22.9x 11.0x 7.1x
P/Operating cash flow -56.3x 9.2x 5.9x
P/S 1.9x 1.5x 1.5x
P/B 11.2x 1.5x 1.4x
P/Tangible book -17.1x 36.8x 1.5x
EV/EBITDA -8.9x 12.5x 8.1x
EV/EBIT -7.7x -389.1x 12.3x
EV/Revenue 2.0x 2.3x 1.9x
EV/FCF -24.1x 17.4x 9.2x
EV/Operating cash flow -59.3x 14.6x 7.6x
PEG (3Y EPS CAGR) 0.20 1.73 -5.55

Growth

14 metrics
MetricINISVTRSAMPH
Revenue growth (1Y) -23.7% 4.4% 1.0%
Revenue CAGR (3Y) -2.6% -1.9% 10.5%
Gross profit growth (1Y) -32.4% -0.7% -3.4%
Gross profit CAGR (3Y) -4.0% -6.0% 8.0%
Operating income growth (1Y) -1,245% 96.6% -37.1%
Operating income CAGR (3Y) -50.5% -27.6% -4.5%
Net income growth (1Y) -2,437% 88.2% -41.7%
Net income CAGR (3Y) -38.0% -30.5% -8.3%
EPS growth (1Y) -2,429% 88.1% -36.5%
EPS CAGR (3Y) -37.0% -30.6% -2.6%
Operating cash flow growth (1Y) -157.0% 12.9% 15.6%
Operating cash flow CAGR (3Y) -41.4% -3.0% 12.1%
Free cash flow growth (1Y) -2,469% 11.6% 36.3%
Free cash flow CAGR (3Y) -69.5% -3.6% 15.0%

Profitability

14 metrics
MetricINISVTRSAMPH
Gross margin 53.8% 34.8% 47.7%
EBITDA margin -22.3% 18.4% 23.9%
Operating margin -25.8% -0.6% 15.7%
Pretax margin -28.3% -4.5% 14.0%
Net margin -25.5% -2.8% 10.8%
FCF margin -8.2% 13.3% 20.9%
Operating cash flow margin -3.4% 15.8% 25.3%
Return on equity -140.0% -2.8% 10.2%
Return on assets -18.8% -1.1% 4.6%
Return on invested capital – -0.2% 6.4%
Return on capital employed -22.8% -0.3% 8.0%
Asset turnover 0.7x 0.4x 0.4x
Cash conversion (OCF / net income) 0.1x -5.7x 2.4x
Stock comp / revenue 3.7% 1.2% 4.0%

Financial Health

11 metrics
MetricINISVTRSAMPH
Debt / assets 14.0% 38.1% 35.1%
Debt / equity 1.2x 0.9x 0.8x
Net debt / EBITDA -0.5x 4.6x 1.8x
Debt / FCF -2.5x 6.8x 4.0x
Liabilities / assets 88.6% 59.3% 55.9%
Equity / assets 11.4% 40.7% 44.1%
Interest coverage -8.5x -0.2x 4.4x
Current ratio 0.8x 1.6x 2.4x
Quick ratio 0.6x 0.7x 1.7x
Cash ratio 0.3x 0.1x 1.1x
Altman Z-score -10.06 1.15 2.12

Shareholder Returns

7 metrics
MetricINISVTRSAMPH
Dividend yield – 2.6% –
Net buyback yield -0.1% 1.4% 9.0%
Shareholder yield -0.1% 4.0% 9.0%
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

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.

ConsensusINISVTRSAMPH
Forward P/E – 7.1xFY2026 8.3xFY2026
EPS, next fiscal year – $2.62FY2026 $3.09FY2026
EPS growth, next FY – +11.5%FY2026 -4.9%FY2026
EPS growth, the year after – -1.5% +9.4%
Revenue, next fiscal year – $15.31BFY2026 $790.23MFY2026
Revenue growth, next FY – +7.0%FY2026 +9.8%FY2026
Revenue growth, the year after – -4.8% -5.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersINISVTRSAMPH
Held by institutions – 89.9% 64.8%
Institutions holding – 1,028 209
Change in shares held, QoQ – +5.6% -11.7%
Institutions buying – 486 96
Institutions selling – 318 74
Buyers to sellers – 1.53 1.30

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.

INISVTRSAMPH
INIS 1.00 0.03 0.04
VTRS 0.03 1.00 0.35
AMPH 0.04 0.35 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, INIS, VTRS and AMPH?

Viatris (VTRS) is the largest by market capitalisation: Radnostix (INIS) $21.17M, Viatris (VTRS) $21.50B, Amphastar Pharmaceuticals (AMPH) $1.09B.

Which company is growing faster?

Viatris (VTRS) grew revenue fastest over the trailing twelve months: Radnostix (INIS) -23.7%, Viatris (VTRS) +4.4%, Amphastar Pharmaceuticals (AMPH) +1.0%.

Which company is more profitable?

Amphastar Pharmaceuticals (AMPH) has the highest net margin (Radnostix (INIS) -25.5%, Viatris (VTRS) -2.8%, Amphastar Pharmaceuticals (AMPH) 10.8%). On return on invested capital, Amphastar Pharmaceuticals (AMPH) leads (Viatris (VTRS) -0.2%, Amphastar Pharmaceuticals (AMPH) 6.4%).

Which stock has performed better?

Over the past year Viatris (VTRS) returned the most: Radnostix (INIS) -33.3%, Viatris (VTRS) +79.7%, Amphastar Pharmaceuticals (AMPH) +6.4%. Over five years, Amphastar Pharmaceuticals (AMPH) compounded fastest (Radnostix (INIS) -16.8%/yr, Viatris (VTRS) +7.0%/yr, Amphastar Pharmaceuticals (AMPH) +7.1%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Viatris (VTRS) 2.56%. Radnostix (INIS) and Amphastar Pharmaceuticals (AMPH) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Viatris (VTRS) has been the steadiest (Radnostix (INIS) 170.4%, Viatris (VTRS) 32.4%, Amphastar Pharmaceuticals (AMPH) 54.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, INIS, VTRS and AMPH?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Viatris (VTRS) 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.