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Stock Comparison

BDRX vs SIGA vs NUVB

Revenue, margins, valuation, and 5-year total return — side by side.

Live fundamentals10-year financials5-year price chart
BDRX
Biodexa Pharmaceuticals Plc

Biotechnology

HealthcareNASDAQ • GB
Market Cap$960K
5Y Perf.-100.0%
SIGA
SIGA Technologies, Inc.

Drug Manufacturers - Specialty & Generic

HealthcareNASDAQ • US
Market Cap$344M
5Y Perf.-30.9%
NUVB
Nuvation Bio Inc.

Biotechnology

HealthcareNYSE • US
Market Cap$1.66B
5Y Perf.-52.1%

BDRX vs SIGA vs NUVB — Key Financials

Market cap, revenue, margins, and valuation side-by-side.

Company Snapshot
BDRX logoBDRX
SIGA logoSIGA
NUVB logoNUVB
IndustryBiotechnologyDrug Manufacturers - Specialty & GenericBiotechnology
Market Cap$960K$344M$1.66B
Revenue (TTM)$0.00$94M$143M
Net Income (TTM)$-12M$-4.04T$-146M
Gross Margin61.8%91.6%
Operating Margin27.7%-105.0%
Forward P/E2.8x
Total Debt$61K$595K$10M
Cash & Equiv.$9M$155M$164M

BDRX vs SIGA vs NUVBLong-Term Stock Performance

Price return indexed to 100 at period start. Dividends excluded.

BDRX
SIGA
NUVB
StockAug 20May 26Return
Biodexa Pharmaceuti… (BDRX)1000.0-100.0%
SIGA Technologies, … (SIGA)10069.1-30.9%
Nuvation Bio Inc. (NUVB)10047.9-52.1%

Price return only. Dividends and distributions are not included.

Quick Verdict: BDRX vs SIGA vs NUVB

Each card shows where this stock fits in a portfolio — not just who wins on paper.

Bottom line: SIGA leads in 3 of 6 categories, making it the strongest pick for capital preservation and lower volatility and dividend income and shareholder returns. Nuvation Bio Inc. is the stronger pick specifically for growth and revenue expansion and recent price momentum and sentiment. As sector peers, any of these can serve as alternatives in the same allocation.
BDRX
Biodexa Pharmaceuticals Plc
The Quality Compounder

BDRX is the clearest fit if your priority is quality.

  • 0.1% margin vs SIGA's -43K%
Best for: quality
SIGA
SIGA Technologies, Inc.
The Income Pick

SIGA carries the broadest edge in this set and is the clearest fit for income & stability and long-term compounding.

  • Dividend streak 4 yrs, beta 1.09, yield 12.5%
  • 7.7% 10Y total return vs NUVB's -52.1%
  • Lower volatility, beta 1.09, Low D/E 0.3%, current ratio 11.83x
Best for: income & stability and long-term compounding
NUVB
Nuvation Bio Inc.
The Growth Play

NUVB is the clearest fit if your priority is growth exposure.

  • Rev growth 7.0%, EPS growth 71.6%
  • 7.0% revenue growth vs BDRX's -100.0%
  • +128.1% vs BDRX's -94.0%
Best for: growth exposure
See the full category breakdown
CategoryWinnerWhy
GrowthNUVB logoNUVB7.0% revenue growth vs BDRX's -100.0%
Quality / MarginsBDRX logoBDRX0.1% margin vs SIGA's -43K%
Stability / SafetySIGA logoSIGABeta 1.09 vs NUVB's 1.97, lower leverage
DividendsSIGA logoSIGA12.5% yield; 4-year raise streak; the other 2 pay no meaningful dividend
Momentum (1Y)NUVB logoNUVB+128.1% vs BDRX's -94.0%
Efficiency (ROA)SIGA logoSIGA-7.4% ROA vs BDRX's -78.4%, ROIC 33.7% vs -120.3%

BDRX vs SIGA vs NUVB — Revenue Breakdown by Segment

How each company's revenue is distributed across its business units

BDRXBiodexa Pharmaceuticals Plc

Segment breakdown not available.

SIGASIGA Technologies, Inc.
FY 2025
Product Sales and Supportive Services
93.1%$88M
Research and Development
6.9%$7M
NUVBNuvation Bio Inc.
FY 2025
License
60.8%$38M
Product
39.2%$25M

BDRX vs SIGA vs NUVB — Financial Metrics

Side-by-side numbers across 3 stocks — who leads on profitability, valuation, growth, and risk.

BEST OVERALLSIGALAGGINGBDRX

Income & Cash Flow (Last 12 Months)

NUVB leads this category, winning 4 of 6 comparable metrics.

NUVB and BDRX operate at a comparable scale, with $143M and $0 in trailing revenue. NUVB is the more profitable business, keeping -102.1% of every revenue dollar as net income compared to SIGA's -43117.4%. On growth, NUVB holds the edge at +26.0% YoY revenue growth, suggesting stronger near-term business momentum.

MetricBDRX logoBDRXBiodexa Pharmaceu…SIGA logoSIGASIGA Technologies…NUVB logoNUVBNuvation Bio Inc.
RevenueTrailing 12 months$0$94M$143M
EBITDAEarnings before interest/tax-$18M$26M-$145M
Net IncomeAfter-tax profit-$12M-$4.04T-$146M
Free Cash FlowCash after capex-$19M$27M-$126M
Gross MarginGross profit ÷ Revenue+61.8%+91.6%
Operating MarginEBIT ÷ Revenue+27.7%-105.0%
Net MarginNet income ÷ Revenue-43117.4%-102.1%
FCF MarginFCF ÷ Revenue+29.2%-88.1%
Rev. Growth (YoY)Latest quarter vs prior year-11.3%+26.0%
EPS Growth (YoY)Latest quarter vs prior year+100.0%+106.3%
NUVB leads this category, winning 4 of 6 comparable metrics.

Valuation Metrics

Evenly matched — BDRX and SIGA and NUVB each lead in 1 of 3 comparable metrics.
MetricBDRX logoBDRXBiodexa Pharmaceu…SIGA logoSIGASIGA Technologies…NUVB logoNUVBNuvation Bio Inc.
Market CapShares × price$959,722$344M$1.7B
Enterprise ValueMkt cap + debt − cash-$11M$190M$1.5B
Trailing P/EPrice ÷ TTM EPS-0.05x14.55x-7.98x
Forward P/EPrice ÷ next-FY EPS est.2.82x
PEG RatioP/E ÷ EPS growth rate
EV / EBITDAEnterprise value multiple7.81x
Price / SalesMarket cap ÷ Revenue3.64x26.44x
Price / BookPrice ÷ Book value/share0.02x1.73x5.35x
Price / FCFMarket cap ÷ FCF7.98x
Evenly matched — BDRX and SIGA and NUVB each lead in 1 of 3 comparable metrics.

Profitability & Efficiency

SIGA leads this category, winning 7 of 9 comparable metrics.

SIGA delivers a -10.7% return on equity — every $100 of shareholder capital generates $-11 in annual profit, vs $-121 for BDRX. SIGA carries lower financial leverage with a 0.00x debt-to-equity ratio, signaling a more conservative balance sheet compared to NUVB's 0.03x. On the Piotroski fundamental quality scale (0–9), BDRX scores 5/9 vs NUVB's 4/9, reflecting solid financial health.

MetricBDRX logoBDRXBiodexa Pharmaceu…SIGA logoSIGASIGA Technologies…NUVB logoNUVBNuvation Bio Inc.
ROE (TTM)Return on equity-121.4%-10.7%-44.1%
ROA (TTM)Return on assets-78.4%-7.4%-23.8%
ROICReturn on invested capital-120.3%+33.7%-54.3%
ROCEReturn on capital employed-75.9%+11.3%-42.8%
Piotroski ScoreFundamental quality 0–9554
Debt / EquityFinancial leverage0.01x0.00x0.03x
Net DebtTotal debt minus cash-$8M-$154M-$154M
Cash & Equiv.Liquid assets$9M$155M$164M
Total DebtShort + long-term debt$60,892$595,169$10M
Interest CoverageEBIT ÷ Interest expense-82.66x-162.11x
SIGA leads this category, winning 7 of 9 comparable metrics.

Total Returns (Dividends Reinvested)

Evenly matched — SIGA and NUVB each lead in 3 of 6 comparable metrics.

A $10,000 investment in SIGA five years ago would be worth $10,791 today (with dividends reinvested), compared to $0 for BDRX. Over the past 12 months, NUVB leads with a +128.1% total return vs BDRX's -94.0%. The 3-year compound annual growth rate (CAGR) favors NUVB at 43.5% vs BDRX's -94.2% — a key indicator of consistent wealth creation.

MetricBDRX logoBDRXBiodexa Pharmaceu…SIGA logoSIGASIGA Technologies…NUVB logoNUVBNuvation Bio Inc.
YTD ReturnYear-to-date-65.4%-13.9%-44.2%
1-Year ReturnPast 12 months-94.0%-0.7%+128.1%
3-Year ReturnCumulative with dividends-100.0%+23.5%+195.7%
5-Year ReturnCumulative with dividends-100.0%+7.9%-56.6%
10-Year ReturnCumulative with dividends-100.0%+772.1%-52.1%
CAGR (3Y)Annualised 3-year return-94.2%+7.3%+43.5%
Evenly matched — SIGA and NUVB each lead in 3 of 6 comparable metrics.

Risk & Volatility

SIGA leads this category, winning 2 of 2 comparable metrics.

SIGA is the less volatile stock with a 1.09 beta — it tends to amplify market swings less than NUVB's 1.97 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. SIGA currently trades 49.9% from its 52-week high vs BDRX's 4.4% drawdown — a narrower gap to the peak suggests stronger recent price momentum.

MetricBDRX logoBDRXBiodexa Pharmaceu…SIGA logoSIGASIGA Technologies…NUVB logoNUVBNuvation Bio Inc.
Beta (5Y)Sensitivity to S&P 5001.31x1.09x1.97x
52-Week HighHighest price in past year$96.50$9.62$9.75
52-Week LowLowest price in past year$2.10$4.29$1.57
% of 52W HighCurrent price vs 52-week peak+4.4%+49.9%+49.1%
RSI (14)Momentum oscillator 0–10064.748.552.5
Avg Volume (50D)Average daily shares traded923K703K4.3M
SIGA leads this category, winning 2 of 2 comparable metrics.

Analyst Outlook

Insufficient data to determine a leader in this category.

Analyst consensus: SIGA as "Buy", NUVB as "Buy". SIGA is the only dividend payer here at 12.54% yield — a key consideration for income-focused portfolios.

MetricBDRX logoBDRXBiodexa Pharmaceu…SIGA logoSIGASIGA Technologies…NUVB logoNUVBNuvation Bio Inc.
Analyst RatingConsensus buy/hold/sellBuyBuy
Price TargetConsensus 12-month target$12.40
# AnalystsCovering analysts19
Dividend YieldAnnual dividend ÷ price+12.5%
Dividend StreakConsecutive years of raises4
Dividend / ShareAnnual DPS$0.60
Buyback YieldShare repurchases ÷ mkt cap0.0%0.0%0.0%
Insufficient data to determine a leader in this category.
Key Takeaway

SIGA leads in 2 of 6 categories (Profitability & Efficiency, Risk & Volatility). NUVB leads in 1 (Income & Cash Flow). 2 tied.

Best OverallSIGA Technologies, Inc. (SIGA)Leads 2 of 6 categories
Loading custom metrics...

BDRX vs SIGA vs NUVB: Key Questions Answered

8 questions · data-driven answers · updated daily

01

Is BDRX or SIGA or NUVB a better buy right now?

For growth investors, Nuvation Bio Inc.

(NUVB) is the stronger pick with 699. 0% revenue growth year-over-year, versus -31. 8% for SIGA Technologies, Inc. (SIGA). SIGA Technologies, Inc. (SIGA) offers the better valuation at 14. 5x trailing P/E (2. 8x forward), making it the more compelling value choice. Analysts rate SIGA Technologies, Inc. (SIGA) a "Buy" — based on 1 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

02

Which is the better long-term investment — BDRX or SIGA or NUVB?

Over the past 5 years, SIGA Technologies, Inc.

(SIGA) delivered a total return of +7. 9%, compared to -100. 0% for Biodexa Pharmaceuticals Plc (BDRX). Over 10 years, the gap is even starker: SIGA returned +772. 1% versus BDRX's -100. 0%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

03

Which is safer — BDRX or SIGA or NUVB?

By beta (market sensitivity over 5 years), SIGA Technologies, Inc.

(SIGA) is the lower-risk stock at 1. 09β versus Nuvation Bio Inc. 's 1. 97β — meaning NUVB is approximately 80% more volatile than SIGA relative to the S&P 500. On balance sheet safety, SIGA Technologies, Inc. (SIGA) carries a lower debt/equity ratio of 0% versus 3% for Nuvation Bio Inc. — giving it more financial flexibility in a downturn.

04

Which is growing faster — BDRX or SIGA or NUVB?

By revenue growth (latest reported year), Nuvation Bio Inc.

(NUVB) is pulling ahead at 699. 0% versus -31. 8% for SIGA Technologies, Inc. (SIGA). On earnings-per-share growth, the picture is similar: Biodexa Pharmaceuticals Plc grew EPS 100. 0% year-over-year, compared to -60. 2% for SIGA Technologies, Inc.. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

05

Which has better profit margins — BDRX or SIGA or NUVB?

SIGA Technologies, Inc.

(SIGA) is the more profitable company, earning 24. 6% net margin versus -325. 3% for Nuvation Bio Inc. — meaning it keeps 24. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: SIGA leads at 25. 1% versus -338. 7% for NUVB. At the gross margin level — before operating expenses — NUVB leads at 86. 6%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

06

Which pays a better dividend — BDRX or SIGA or NUVB?

In this comparison, SIGA (12.

5% yield) pays a dividend. BDRX, NUVB do not pay a meaningful dividend and should not be held primarily for income.

07

Is BDRX or SIGA or NUVB better for a retirement portfolio?

For long-horizon retirement investors, SIGA Technologies, Inc.

(SIGA) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 09), 12. 5% yield, +772. 1% 10Y return). Nuvation Bio Inc. (NUVB) carries a higher beta of 1. 97 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (SIGA: +772. 1%, NUVB: -52. 1%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

08

What are the main differences between BDRX and SIGA and NUVB?

Both stocks operate in the Healthcare sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: BDRX is a small-cap quality compounder stock; SIGA is a small-cap deep-value stock; NUVB is a small-cap high-growth stock. SIGA pays a dividend while BDRX, NUVB do not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.

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BDRX

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  • Sector: Healthcare
  • Market Cap > $100B
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Income & Dividend Stock

  • Sector: Healthcare
  • Market Cap > $100B
  • Gross Margin > 37%
  • Dividend Yield > 5.0%
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NUVB

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  • Market Cap > $100B
  • Revenue Growth > 1299%
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