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Fusion Antibodies plc (FAB.L) Sortino Ratio: 2.28

Equity · Currency in GBp · Last updated Jun 6, 2026

Fusion Antibodies plc, a contract research organization, engages in the research, development, and manufacture of recombinant proteins and antibodies primarily for cancer and infectious diseases in the United Kingdom, the rest of Europe, North America, and internationally. The company offers monoclonal antibody discovery and development, antibody sequencing, antibody engineering, antibody humanization and rational affinity maturation platform, recombinant protein expression, and stable cell line development and cGMP scale up services. It serves pharmaceutical, biotech, and diagnostic companies. The company has a collaboration partnership with Celonic AG. Fusion Antibodies plc was incorporated in 2000 and is headquartered in Belfast, the United Kingdom.

FAB.L's Sortino Ratio of 2.28 indicates that for each unit of downside volatility, it generates 2.28 units of excess return. The ratio is calculated using historical daily returns over the past 12 months (as of Jun 6, 2026).

Unlike other measures, Sortino only focuses on downside volatility (losses), making it particularly useful for investors more concerned about protecting against drawdowns than overall price swings.

FAB.L Sortino Ratio Rank

FAB.L Sortino Ratio Rank: 80.981
Exceptional

FAB.L ranks above 80.9% of all investments in our database based on Sortino Ratio over the past 12 months, demonstrating exceptional downside-adjusted returns. Securities are ranked from 0 (worst) to 100 (best).

What moves the rank

  • Strong returns with minimal downside volatility → Higher rank
  • Severe or frequent drawdowns → Lower rank
  • Upside volatility → No impact (Sortino doesn't penalize upside swings)

What you can do with this information

  • Suitable as a core holding given strong downside protection
  • Monitor rank changes to detect weakening downside characteristics
  • Exceptional risk-adjusted profile supports larger position sizes
  • Compare with category peers to assess whether strength is investment-specific or category-wide

FAB.L Sortino Ratio Market Positioning

The chart shows FAB.L's Sortino Ratio relative to all stocks on our platform, with color zones indicating percentile rankings. Higher ratios indicate better downside-adjusted returns.

  • Red zone (bottom 25%): -0.28 or lower
  • Yellow zone (middle 50%): -0.28 to 1.95
  • Green zone (top 25%): 1.95 or higher
  • Top 1%: 6.46+
  • Median: 0.77 — half of all investments score higher

How it compares to other similar stocks

The table compares Fusion Antibodies plc's Sortino Ratio with other stocks in the Biotechnology industry across multiple time periods, showing how FAB.L's risk-adjusted performance compares to industry peers.

Data shows 1-, 5-, and 10-year periods, plus each stock's all-time average, as of Jun 6, 2026.

SymbolName1Y Sortino Ratio5Y Sortino Ratio10Y Sortino RatioAll Time Sortino Ratio
HEMO.LHemogenyx Pharmaceuticals plc3.38
AREC.LArecor Therapeutics plc2.76
GENF.LGenflow Biosciences PLC2.70
OXB.LOxford BioMedica plc2.54
AVCT.LAvacta Group plc2.36
FAB.LFusion Antibodies plc2.28
IMM.LImmuPharma plc2.18
OBI.LOndine Biomedical Inc1.83
NFX.LNuformix plc1.79
BSFA.LBSF Enterprise plc1.76

S&P 500 Index

How to choose period

Historical Sortino Ratio

The chart shows FAB.L's rolling Sortino ratio over time compared to your chosen benchmark. Rising trends indicate improving returns relative to downside risk, while declining trends may signal deteriorating risk-adjusted performance or increased volatility during market stress. Use multiple timeframes to distinguish short-term fluctuations from long-term patterns.

Identify market cycles by observing when FAB.L consistently outperforms (line above benchmark), underperforms (below benchmark), or aligns with the benchmark.

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