Spero Therapeutics SPRO
NASDAQ SPRO
$1.21 -0.02 (-1.63%)
At close: Aug 20, 2026 · 4:00 PM EDT

Spero Therapeutics (SPRO) FCF Margin (2016 - 2026)

Spero Therapeutics' (SPRO) quarterly FCF Margin came in at 66.34% in Q4 2025, up 4493558.0% YoY from N/an in Q4 2024, and up 99.8% on a QoQ basis from 33350.0% in Q1 2025.

Spero Therapeutics (SPRO) FCF Margin (2016 - 2026) Analysis & Trends

Spero Therapeutics (SPRO) has 10 years of FCF Margin data on file, last reported at 66.34% in Q4 2025.

  • Quarterly FCF Margin rose 4493558.0% year-over-year to 66.34% in Q4 2025, while the trailing twelve-month figure through Mar 2026 was 57.53% (up 38083.0% YoY) and the FY2025 annual result came in at 100.19%, up 621895.0% from the prior year.
  • FCF Margin rose to 66.34% in Q4 2025, from 33350.0% in the prior quarter.
  • In the past five years, FCF Margin ranged from a high of 19635.38% in Q3 2024 to a low of 45001.92% in Q4 2024.
  • A 5-year average of 4215.78% and a median of 197.93% in 2021 frame the typical range for FCF Margin.
  • Annual changes were most pronounced in 2021 — FCF Margin soared 5539267 bps — and 2024, when it plunged 4506157 bps.
  • Tracing SPRO's FCF Margin over 5 years: stood at 219.81% in 2021, then grew by 21 bps to 265.17% in 2022, then sank by 78 bps to 59.65% in 2023, then sank by 75543 bps to 45001.92% in 2024, then surged by 100 bps to 66.34% in 2025.
  • The last three FCF Margin figures came in at 66.34% (Q4 2025), 33350.0% (Q1 2025), and 45001.92% (Q4 2024), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) FCF Margin (Qtr)
1 Vertex Pharmaceuticals 137.11 Bn 129.26 Bn 2.84 Bn 30.39%
2 Regeneron Pharmaceuticals 84.98 Bn 76.99 Bn 3.93 Bn 13.35%
3 Argenx Se 64.52 Bn 59.33 Bn 1.37 Bn -
4 Moderna 53.23 Bn 48.09 Bn 52.00 Mn -388.28%
5 BeOne Medicines 41.23 Bn 36.14 Bn 1.53 Bn 25.68%
6 Alnylam Pharmaceuticals 30.65 Bn 27.34 Bn 992.69 Mn 22.62%
7 Insmed 27.15 Bn 25.99 Bn 358.27 Mn -22.35%
8 Royalty Pharma 26.98 Bn 26.14 Bn - 70.82%
9 BioNTech SE 26.78 Bn 8.39 Bn 668.28 Mn 41.07%
10 Spero Therapeutics 70.14 Mn 19.37 Mn - -

Historic Data

Download Data
DateValue
Mar 31, 2026 6,148.84%
Dec 31, 2025 -66.34%
Mar 31, 2025 -33,350.00%
Dec 31, 2024 -45,001.92%
Sep 30, 2024 19,635.38%
Jun 30, 2024 -183.82%
Mar 31, 2024 4,241.43%
Dec 31, 2023 59.65%
Sep 30, 2023 62.48%
Jun 30, 2023 -683.51%
Mar 31, 2023 -5,763.68%
Dec 31, 2022 265.17%
Sep 30, 2022 -88.45%
Jun 30, 2022 -2,570.65%
Mar 31, 2022 -11,426.32%
Dec 31, 2021 219.81%
Sep 30, 2021 -699.44%
Jun 30, 2021 -321.81%
Mar 31, 2021 -212.04%
Sep 30, 2020 -56,092.11%