Comprehensive Stock Comparison
Compare BiomX Inc. (PHGE) vs Armata Pharmaceuticals, Inc. (ARMP) Stock
Analyze side-by-side fundamentals, valuation, growth, and profitability to decide which stock is the better buy.
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Quick Verdict
| Category | Winner | Why |
|---|---|---|
| Stability / Safety |  ARMP | Beta 0.21 vs PHGE's 0.93 |
| Dividends | Tie | Neither pays a meaningful dividend |
| Momentum (1Y) | ARMP | +474.8% vs PHGE's -48.8% |
| Efficiency (ROA) | ARMP | -52.4% ROA vs PHGE's -142.8%, ROIC -44.2% vs -305.2% |
Who Each Stock Is For
Income & stability
ARMPDividend streak 0 yrs, beta 0.21
Growth exposure
ARMPRev growth 14.2%, EPS growth 72.6%, 3Y rev CAGR 5.0%
Long-term compounding (10Y)
ARMP-98.0% 10Y total return vs PHGE's -99.7%
Sleep-well-at-night portfolio
ARMPLower volatility, beta 0.21, current ratio 0.23x
Defensive / Recession hedge
ARMPBeta 0.21, current ratio 0.23x
Business Model
What each company does and how it makes money
BiomX is a clinical-stage biotechnology company developing targeted phage therapies — viruses that kill specific harmful bacteria — for chronic diseases and skin conditions. It generates no commercial revenue yet but is funded through equity offerings and partnerships to advance its pipeline, which includes therapies for cystic fibrosis, inflammatory bowel diseases, and atopic dermatitis. The company's key advantage is its proprietary platform for discovering and engineering natural phages that precisely target disease-causing bacteria while sparing beneficial microbes.
Armata Pharmaceuticals is a clinical-stage biotech company developing targeted bacteriophage therapies to treat antibiotic-resistant bacterial infections. It generates revenue primarily through research collaborations and partnerships — like its Merck deal — while advancing its pipeline of phage-based candidates through clinical trials. The company's key advantage is its proprietary bacteriophage platform technology, which offers a novel approach to targeting specific drug-resistant pathogens.
Financial Metrics Comparison
Side-by-side fundamentals across 2 stocks. BestLagging
Financial Scorecard
ARMP 4
PHGE 1PHGE1/1 metricsARMP1/1 metricsARMP4/7 metricsARMP5/6 metricsARMP2/2 metricsARMP leads in 4 of 6 categories (Valuation Metrics, Profitability & Efficiency). PHGE leads in 1 (Financial Metrics).
Financial Metrics (TTM)
ARMP and PHGE operate at a comparable scale, with $5M and $0 in trailing revenue.
| Metric | PHGEBiomX Inc. | ARMPArmata Pharmaceut… |
|---|---|---|
| RevenueTrailing 12 months | $0 | $5M |
| EBITDAEarnings before interest/tax | -$6M | -$32M |
| Net IncomeAfter-tax profit | -$37M | -$47M |
| Free Cash FlowCash after capex | -$28M | -$27M |
| Gross MarginGross profit ÷ Revenue | — | +70.5% |
| Operating MarginEBIT ÷ Revenue | — | -6.6% |
| Net MarginNet income ÷ Revenue | — | -9.3% |
| FCF MarginFCF ÷ Revenue | — | -5.4% |
| Rev. Growth (YoY)Latest quarter vs prior year | — | -61.0% |
| EPS Growth (YoY)Latest quarter vs prior year | -6.5% | -3.9% |
Valuation Metrics
| Metric | PHGEBiomX Inc. | ARMPArmata Pharmaceut… |
|---|---|---|
| Market CapShares × price | $82.8B | $420M |
| Enterprise ValueMkt cap + debt − cash | $82.8B | $537M |
| Trailing P/EPrice ÷ TTM EPS | -4.29x | -22.19x |
| Forward P/EPrice ÷ next-FY EPS est. | — | — |
| PEG RatioP/E ÷ EPS growth rate | — | — |
| EV / EBITDAEnterprise value multiple | — | — |
| Price / SalesMarket cap ÷ Revenue | — | 81.14x |
| Price / BookPrice ÷ Book value/share | 3427.64x | — |
| Price / FCFMarket cap ÷ FCF | — | — |
Profitability & Efficiency
On the Piotroski fundamental quality scale (0–9), PHGE scores 3/9 vs ARMP's 2/9, reflecting mixed financial health.
| Metric | PHGEBiomX Inc. | ARMPArmata Pharmaceut… |
|---|---|---|
| ROE (TTM)Return on equity | -3.6% | — |
| ROA (TTM)Return on assets | -142.8% | -52.4% |
| ROICReturn on invested capital | -3.1% | -44.2% |
| ROCEReturn on capital employed | -159.9% | -70.7% |
| Piotroski ScoreFundamental quality 0–9 | 3 | 2 |
| Debt / EquityFinancial leverage | 0.40x | — |
| Net DebtTotal debt minus cash | -$8M | $117M |
| Cash & Equiv.Liquid assets | $18M | $9M |
| Total DebtShort + long-term debt | $10M | $127M |
| Interest CoverageEBIT ÷ Interest expense | -36.86x | -2.12x |
Total Returns (with DRIP)
A $10,000 investment in ARMP five years ago would be worth $25,857 today (with dividends reinvested), compared to $47 for PHGE. Over the past 12 months, ARMP leads with a +474.8% total return vs PHGE's -48.8%. The 3-year compound annual growth rate (CAGR) favors ARMP at 56.0% vs PHGE's -59.1% — a key indicator of consistent wealth creation.
| Metric | PHGEBiomX Inc. | ARMPArmata Pharmaceut… |
|---|---|---|
| YTD ReturnYear-to-date | +194.4% | +77.0% |
| 1-Year ReturnPast 12 months | -48.8% | +474.8% |
| 3-Year ReturnCumulative with dividends | -93.2% | +279.4% |
| 5-Year ReturnCumulative with dividends | -99.5% | +158.6% |
| 10-Year ReturnCumulative with dividends | -99.7% | -98.0% |
| CAGR (3Y)Annualised 3-year return | -59.1% | +56.0% |
Risk & Volatility
ARMP is the less volatile stock with a 0.21 beta — it tends to amplify market swings less than PHGE's 0.93 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. ARMP currently trades 71.1% from its 52-week high vs PHGE's 42.8% drawdown — a narrower gap to the peak suggests stronger recent price momentum.
| Metric | PHGEBiomX Inc. | ARMPArmata Pharmaceut… |
|---|---|---|
| Beta (5Y)Sensitivity to S&P 500 | 0.93x | 0.21x |
| 52-Week HighHighest price in past year | $14.71 | $16.34 |
| 52-Week LowLowest price in past year | $1.56 | $0.90 |
| % of 52W HighCurrent price vs 52-week peak | +42.8% | +71.1% |
| RSI (14)Momentum oscillator 0–100 | 51.0 | 71.9 |
| Avg Volume (50D)Average daily shares traded | 1.3M | 50K |
Analyst Outlook
| Metric | PHGEBiomX Inc. | ARMPArmata Pharmaceut… |
|---|---|---|
| Analyst RatingConsensus buy/hold/sell | — | Buy |
| Price TargetConsensus 12-month target | — | $9.00 |
| # AnalystsCovering analysts | — | 4 |
| Dividend YieldAnnual dividend ÷ price | — | — |
| Dividend StreakConsecutive years of raises | — | 0 |
| Dividend / ShareAnnual DPS | — | — |
| Buyback YieldShare repurchases ÷ mkt cap | 0.0% | 0.0% |
Historical Charts
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Chart 1Total Return — 5 Years (Rebased to 100)
| Stock | Mar 20 | Mar 26 | Change |
|---|---|---|---|
| BiomX Inc. (PHGE) | 100 | 0.23 | -99.8% |
| Armata Pharmaceutic… (ARMP) | 100 | 303.72 | +203.7% |
Armata Pharmaceutic… (ARMP) returned +159% over 5 years vs BiomX Inc. (PHGE)'s -100%. A $10,000 investment in ARMP 5 years ago would be worth $25,857 today (including dividends reinvested).
Chart 2Revenue Growth — 10 Years
| Stock | 2015 | 2024 | Change |
|---|---|---|---|
| BiomX Inc. (PHGE) | $0.00 | $0.00 | — |
| Armata Pharmaceutic… (ARMP) | $475000.00 | $5M | +989.3% |
Armata Pharmaceuticals, Inc.'s revenue grew from $0M (2015) to $5M (2024) — a 30.4% CAGR.
Chart 3EPS Growth — 10 Years
| Stock | 2015 | 2024 | Change |
|---|---|---|---|
| BiomX Inc. (PHGE) | -3.27 | -1.47 | +55.0% |
| Armata Pharmaceutic… (ARMP) | -278.6 | -0.52 | +99.8% |
Armata Pharmaceuticals, Inc.'s EPS grew from $-278.60 (2015) to $-0.52 (2024).
Chart 4Free Cash Flow — 5 Years
BiomX Inc. generated $-37M FCF in 2024 (-18% vs 2021). Armata Pharmaceuticals, Inc. generated $-39M FCF in 2024 (-58% vs 2021).
PHGE vs ARMP: Frequently Asked Questions
7 questions · data-driven answers · updated daily
01Is PHGE or ARMP a better buy right now?
Analysts rate Armata Pharmaceuticals, Inc. (ARMP) a "Buy" — based on 4 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.
02Which is the better long-term investment — PHGE or ARMP?
Over the past 5 years, Armata Pharmaceuticals, Inc. (ARMP) delivered a total return of +158.6%, compared to -99.5% for BiomX Inc. (PHGE). A $10,000 investment in ARMP five years ago would be worth approximately $26K today (assuming dividends reinvested). Over 10 years, the gap is even starker: ARMP returned -98.0% versus PHGE's -99.7%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.
03Which is safer — PHGE or ARMP?
By beta (market sensitivity over 5 years), Armata Pharmaceuticals, Inc. (ARMP) is the lower-risk stock at 0.21β versus BiomX Inc.'s 0.93β — meaning PHGE is approximately 335% more volatile than ARMP relative to the S&P 500.
04Which has better profit margins — PHGE or ARMP?
BiomX Inc. (PHGE) is the more profitable company, earning 0.0% net margin versus -365.6% for Armata Pharmaceuticals, Inc. — meaning it keeps 0.0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: PHGE leads at 0.0% versus -820.2% for ARMP. At the gross margin level — before operating expenses — PHGE leads at 0.0%, 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.
05Which pays a better dividend — PHGE or ARMP?
None of the stocks in this comparison currently pay a material dividend. All are effectively zero-yield and should be held for capital appreciation rather than income.
06Is PHGE or ARMP better for a retirement portfolio?
For long-horizon retirement investors, Armata Pharmaceuticals, Inc. (ARMP) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.21)). Both have compounded well over 10 years (ARMP: -98.0%, PHGE: -99.7%), 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.
07What are the main differences between PHGE and ARMP?
Both stocks operate in the Healthcare sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both. 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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