MetaCap

Spero Therapeutics (SPRO) vs Tenax Therapeutics (TENX)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.

Summary

Spero Therapeutics (SPRO) has outperformed Tenax Therapeutics (TENX) over the past year, losing 45.8% versus a loss of 74.5%. Over five years, SPRO leads with a -93.1% price change compared with -99.9% for TENX. Tenax Therapeutics is the larger company by market cap ($71.5 million vs $68.1 million), about 1.0 times the size.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

SPRO-45.83%TENX-74.50%
+156%+31%-93%
Oct 7, 20251 yearOct 7, 2026
SPRO-93.15%TENX-99.93%
+8%-49%-105%
Oct 4, 20215 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

SPRO versus TENX key metrics
MetricSPROTENX
Share price$1.17$1.91
Market cap$68.13M$71.48M
1-day change-1.68%-1.04%
YTD return-49.79%-84.33%
1-year return-45.83%-74.50%
5-year return-93.13%-99.93%
P/E ratio (TTM)8.36—
EPS (TTM)$0.14$-1.48
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$3.08$19.40
52-week low$1.08$1.31
Distance from 52-week high-62.01%-90.15%
Average volume1.21M5.52M
Shares outstanding58.23M37.42M
SectorHealth CareHealth Care
IndustryBiotechnology: Pharmaceutical PreparationsBiotechnology: Pharmaceutical Preparations

Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.

Key differences

  • SPRO has outperformed TENX by 28.7 percentage points over the past year.

SPRO vs TENX FAQ

Which is bigger, Spero Therapeutics or Tenax Therapeutics?

Tenax Therapeutics (TENX) is larger, with a market capitalization of $71.48M compared with $68.13M for Spero Therapeutics (SPRO).

Which stock has performed better over the past year, SPRO or TENX?

SPRO returned -45.83% over the past 12 months, compared with -74.50% for TENX (price return, excluding dividends). Past performance does not predict future results.

Are Spero Therapeutics and Tenax Therapeutics in the same industry?

Yes. Both are classified in the Biotechnology: Pharmaceutical Preparations industry within the Health Care sector.

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