Spero Therapeutics SPRO
NASDAQ SPRO
$1.17 -0.05 (-4.10%)
At close: Oct 21, 2026 · 4:00 PM EDT

Spero Therapeutics (SPRO) Operating Margin (2017 - 2026)

Updated

Spero Therapeutics (SPRO) posted Operating Margin of -2921.71% for Q1 2026, down 2670.92 percentage points from -250.78% a year earlier and down 2997.75 percentage points from the prior quarter.

Analysis

Spero Therapeutics (SPRO) Operating Margin (2017 - 2026) Analysis & Trends

For FY2025, Spero Therapeutics' Operating Margin came in at 9.45%, up 162.36 percentage points from FY2024.

  • Annual Operating Margin shows a five-year change of +857.39 percentage points (FY2020 to FY2025).
  • In prior years, Spero Therapeutics' Operating Margin was -152.91% in FY2024 (-173.61 pp), 20.70% in FY2023 (+99.56 pp), -78.86% in FY2022 (+403.01 pp) and -481.87% in FY2021 (+366.07 pp).
  • The Q1 2026 figure stands as the lowest quarterly Operating Margin since Q4 2019.
  • On a year-over-year basis, Operating Margin increased in three of the last eight quarters, with an average year-over-year change of -305.50 percentage points.
  • The strongest year-over-year quarter for Operating Margin in the past five years was Q4 2022, with a gain of 1056.90 percentage points; the weakest was Q1 2026, with a drop of 2670.92 percentage points.
  • According to Business Quant data, Operating Margin for the three prior quarters was 76.05% (Q4 2025), -145.46% (Q3 2025) and -17.22% (Q2 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Operating Margin (Qtr)
1 Eli Lilly 1,136.97 Bn 1,105.55 Bn 19.71 Bn 51.16%
2 Johnson & Johnson 619.72 Bn 538.25 Bn 17.26 Bn 28.21%
3 AbbVie 503.40 Bn 476.52 Bn 12.70 Bn 37.86%
4 Merck 370.15 Bn 324.53 Bn 12.21 Bn -3.52%
5 Novartis Ag 298.64 Bn 262.63 Bn 11.24 Bn 32.97%
6 Astrazeneca 261.07 Bn 234.76 Bn 12.86 Bn 20.57%
7 Amgen 237.00 Bn 192.40 Bn 7.24 Bn 34.95%
8 Gilead Sciences 191.24 Bn 165.43 Bn 6.22 Bn -133.21%
9 Pfizer 170.31 Bn 116.96 Bn 10.94 Bn 28.37%
10 Spero Therapeutics 68.40 Mn -127.38 Mn - -
Historic Data

Historic Data

Download Data
DateValue
Mar 31, 2026 -2,921.71%
Dec 31, 2025 76.05%
Sep 30, 2025 -145.46%
Jun 30, 2025 -17.22%
Mar 31, 2025 -250.78%
Dec 31, 2024 -144.41%
Sep 30, 2024 -138.04%
Jun 30, 2024 -186.93%
Mar 31, 2024 -150.88%
Dec 31, 2023 68.73%
Sep 30, 2023 -7.59%
Jun 30, 2023 -474.59%
Mar 31, 2023 -687.63%
Dec 31, 2022 54.64%
Sep 30, 2022 -589.93%
Jun 30, 2022 -1,308.58%
Mar 31, 2022 -1,459.98%
Dec 31, 2021 -1,002.26%
Sep 30, 2021 -735.12%
Jun 30, 2021 -360.18%
API Access

Spero Therapeutics Operating Margin API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=operating-margin&ticker=SPRO&period=max&api_key=YOUR_API_KEY