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INDICATIVE · SAMPLE DATA
SPRO$2.7659

Spero Therapeutics Inc

Biotechnology & Medical ResearchVerified

Spero Therapeutics maintains a strong liquidity position with $63.5 million in cash and equivalents, representing 42.4% of total assets, and a current ratio of 2.68, indicating the company can cover its short-term obligations comfortably. The company has no long-term debt, and its debt-to-equity ratio is 0.0, suggesting a conservative capital structure with no leverage risk. However, the company reported negative operating cash flow of $12.8 million and free cash flow of $17.9 million, reflecting ongoing operational cash burn. Profitability metrics show significant underperformance relative to industry norms. The company reported a net loss of $17.9 million and an operating loss of $19.1 million, with a return on equity (ROE) of -22.2% and return on assets (ROA) of -11.9%. These figures indicate that Spero is not generating returns for shareholders or asset holders and is likely in a pre-revenue or early-stage development phase. The price-to-book ratio of 1.99 suggests the market is valuing the company at a premium to its tangible book value, potentially reflecting expectations of future growth or asset value realization. Spero Therapeutics does not disclose segment or geographic revenue breakdowns in the latest financial data, making it difficult to assess revenue concentration or geographic exposure. The absence of segment data implies the company operates as a single business unit, likely focused on its core pipeline of antibiotics. The company's growth trajectory is uncertain, with no revenue growth reported in the latest period. The lack of revenue and the continued net losses suggest the company is in a development or clinical trial phase, with no commercialized products yet generating revenue. Analysts have assigned a mean price target of $4.00, implying a potential 44.6% upside from the current market price of $2.76, but the absence of strong-buy or buy ratings suggests limited conviction in the near-term upside. Risk factors include the company's reliance on external financing to fund operations, as it has no long-term debt and is burning cash. The risk assessment indicates low liquidity and dilution risk, but the absence of long-term debt does not eliminate the need for ongoing capital raises. The company has not issued any dilutive securities in the latest period, and no filing-based dilution flags were detected, suggesting a low near-term dilution risk. Recent events include the continued development of its lead candidate, SPR720, a novel antibiotic targeting drug-resistant Gram-negative bacteria. The company is preparing for potential regulatory submissions and clinical trials, but no recent filings or transcripts indicate significant progress or setbacks in the pipeline.

30-day price · SPRO+0.33 (+13.6%)
Low$2.37High$2.92Close$2.76As of15 May, 00:00 UTC
Profile
CompanySpero Therapeutics Inc
TickerSPRO.O
SectorHealthcare
BusinessPharmaceuticals & Medical Research
Industry groupPharmaceuticals & Medical Research
IndustryBiotechnology & Medical Research
AI analysis

Business. Spero Therapeutics Inc is a biotechnology company focused on the development of novel antibiotics to treat serious infections, primarily in the hospital setting.

Classification. Spero Therapeutics is classified under the Healthcare economic sector, within the Pharmaceuticals & Medical Research business sector, and the Biotechnology & Medical Research industry, with a classification confidence of 0.92.

Spero Therapeutics maintains a strong liquidity position with $63.5 million in cash and equivalents, representing 42.4% of total assets, and a current ratio of 2.68, indicating the company can cover its short-term obligations comfortably. The company has no long-term debt, and its debt-to-equity ratio is 0.0, suggesting a conservative capital structure with no leverage risk. However, the company reported negative operating cash flow of $12.8 million and free cash flow of $17.9 million, reflecting ongoing operational cash burn. Profitability metrics show significant underperformance relative to industry norms. The company reported a net loss of $17.9 million and an operating loss of $19.1 million, with a return on equity (ROE) of -22.2% and return on assets (ROA) of -11.9%. These figures indicate that Spero is not generating returns for shareholders or asset holders and is likely in a pre-revenue or early-stage development phase. The price-to-book ratio of 1.99 suggests the market is valuing the company at a premium to its tangible book value, potentially reflecting expectations of future growth or asset value realization. Spero Therapeutics does not disclose segment or geographic revenue breakdowns in the latest financial data, making it difficult to assess revenue concentration or geographic exposure. The absence of segment data implies the company operates as a single business unit, likely focused on its core pipeline of antibiotics. The company's growth trajectory is uncertain, with no revenue growth reported in the latest period. The lack of revenue and the continued net losses suggest the company is in a development or clinical trial phase, with no commercialized products yet generating revenue. Analysts have assigned a mean price target of $4.00, implying a potential 44.6% upside from the current market price of $2.76, but the absence of strong-buy or buy ratings suggests limited conviction in the near-term upside. Risk factors include the company's reliance on external financing to fund operations, as it has no long-term debt and is burning cash. The risk assessment indicates low liquidity and dilution risk, but the absence of long-term debt does not eliminate the need for ongoing capital raises. The company has not issued any dilutive securities in the latest period, and no filing-based dilution flags were detected, suggesting a low near-term dilution risk. Recent events include the continued development of its lead candidate, SPR720, a novel antibiotic targeting drug-resistant Gram-negative bacteria. The company is preparing for potential regulatory submissions and clinical trials, but no recent filings or transcripts indicate significant progress or setbacks in the pipeline.
Key takeaways
  • Spero Therapeutics has a strong liquidity position with $63.5 million in cash and no long-term debt.
  • The company is not currently profitable, with a net loss of $17.9 million and negative ROE and ROA.
  • The market is valuing the company at a premium to book value, potentially reflecting expectations of future growth.
  • Analysts have assigned a mean price target of $4.00, implying a 44.6% upside from the current price.
  • The company has no disclosed revenue segments or geographic exposure, operating as a single business unit.
  • No immediate liquidity or dilution risks were detected, but ongoing cash burn remains a concern.
  • --
  • ## RATIONALES
Financial snapshot
PeriodHA-latest
CurrencyUSD
Revenue$10.2M
Gross profit
Operating income-$19.1M
Net income-$17.9M
R&D
SG&A
D&A
SBC
Operating cash flow-$12.8M
CapEx
Free cash flow-$17.9M
Total assets$149.9M
Total liabilities$69.4M
Total equity$80.5M
Cash & equivalents$63.5M
Long-term debt$0.00
Annual history (last 5)
PeriodRevenueOp IncomeNet IncomeFCF
FY-4$18.3M-$88.0M-$89.8M-$89.1M
FY-3$53.5M-$45.8M-$46.4M-$45.5M
FY-2$103.8M$21.5M$22.8M$23.2M
FY-1$48.0M-$73.4M-$68.6M-$68.6M
FY0$66.8M$6.3M$8.6M$8.6M
PeriodGross %Op %Net %FCF %
FY-4
FY-3
FY-2
FY-1
FY0
PeriodAssetsEquityCashDebt
FY-4$171.1M$88.3M$112.6M
FY-3$124.8M$75.9M$109.1M
FY-2$182.4M$106.9M$76.3M
FY-1$110.5M$46.1M$52.9M
FY0$68.9M$59.0M$40.3M
PeriodOCFCapExFCFSBC
FY-4-$64.3M-$89.1M
FY-3-$7.7M-$45.5M
FY-2-$33.0M$23.2M
FY-1-$23.4M-$68.6M
FY0-$12.6M$8.6M
Quarterly history (last 4)
PeriodRevenueOp IncomeNet IncomeFCF
FQ-7$10.2M-$19.1M-$17.9M-$17.9M
FQ-6$13.5M-$18.6M-$17.1M-$17.1M
FQ-5$15.0M-$21.7M-$20.9M-$20.9M
FQ-4$5.9M-$14.7M-$13.9M
FQ-3$14.2M-$2.4M-$1.7M
FQ-2$5.4M-$7.9M-$7.4M-$7.4M
FQ-1$41.3M$31.4M$31.5M$31.5M
FQ0$0.00
PeriodGross %Op %Net %FCF %
FQ-7
FQ-6
FQ-5
FQ-4
FQ-3
FQ-2
FQ-1
FQ0
PeriodAssetsEquityCashDebt
FQ-7$149.9M$80.5M$63.5M
FQ-6$135.2M$65.5M$76.3M
FQ-5$110.5M$46.1M$52.9M
FQ-4$77.7M$33.8M$48.9M
FQ-3$62.1M$32.8M$31.2M
FQ-2$54.2M$26.5M$48.6M
FQ-1$68.9M$59.0M$40.3M
FQ0$52.9M$56.1M
PeriodOCFCapExFCFSBC
FQ-7-$12.8M-$17.9M
FQ-6-$43.0k-$17.1M
FQ-5-$23.4M-$20.9M
FQ-4-$4.0M
FQ-3-$21.7M
FQ-2-$4.3M-$7.4M
FQ-1-$12.6M$31.5M
FQ0$15.9M
Valuation
Market price$2.76
Market cap$159.8M
Enterprise value$96.3M
P/E
Reported non-GAAP P/E
EV/Revenue9.4
EV/Op income
EV/OCF
P/B2.0
P/Tangible book2.0
Tangible book$80.5M
Net cash$63.5M
Current ratio2.7
Debt/Equity0.0
ROA-11.9%
ROE-22.2%
Cash conversion72.0%
CapEx/Revenue
SBC/Revenue
Asset intensity
Dilution ratio0.0%
Risk assessment
Dilution riskLow
Liquidity riskLow
  • No immediate filing-based liquidity or dilution flags were detected.
Industry benchmarks
Activity: Pharmaceuticals & Medical Research · cohort 693 companies
MetricSPROActivity
Op margin-186.9%2.4% medp25 -91.8% · p75 12.5%bottom quartile
Net margin-175.2%1.2% medp25 -98.4% · p75 10.4%bottom quartile
Gross margin45.6% medp25 29.8% · p75 66.7%
CapEx / revenue-5.2% medp25 -15.8% · p75 -1.7%
Debt / equity0.0%9.3% medp25 0.1% · p75 43.8%bottom quartile
Observations
IR observations
Mean price target4.00 USD
Median price target4.00 USD
High price target4.00 USD
Low price target4.00 USD
Mean recommendation3.00 (1=strong buy, 5=strong sell)
Strong-buy count0.00
Buy count0.00
Hold count1.00
Sell count0.00
Strong-sell count0.00
Mean EPS estimate0.67 USD
Last actual EPS0.15 USD
Source data
Underlying data the analysis-pipeline pulls and audits. Fetch timestamps + content hashes show when each source was last refreshed.
Company fundamentalsperiod FQ-7 · history via verified-market-data
no public URL
2026-05-16 16:02 UTC#75d98b62
Market quoteclose USD 2.44 · shares 0.06B diluted
no public URL
2026-05-16 16:02 UTC#c099705f
Source: analysis-pipeline (hybrid)Generated: 2026-05-29 13:20 UTCJob: b409df22