Spero Therapeutics SPRO
NASDAQ SPRO
$1.17 -0.02 (-1.68%)
At close: Sep 9, 2026 · 4:00 PM EDT

Spero Therapeutics (SPRO) Price to Earnings (2017 - 2026)

Spero Therapeutics' (SPRO) quarterly Price to Earnings came in at 13.46 in Q2 2026, up 85.93% on a YoY basis from 7.24 in Q2 2025, and up 28.45% quarter-over-quarter from 18.81 in Q1 2026.

Analysis

Spero Therapeutics (SPRO) Price to Earnings (2017 - 2026) Analysis & Trends

Spero Therapeutics (SPRO) has reported Price to Earnings for 10 consecutive years, with 13.46 the latest figure, recorded in Q2 2026.

  • For the quarter ending Q2 2026, Price to Earnings rose 85.93% year-over-year to 13.46; the trailing twelve-month figure through Jun 2026 stood at 22.18 (up 829.78% YoY), and the FY2025 full-year result was 18.84, up 2396.93% from the prior year.
  • Price to Earnings improved to 13.46 in Q2 2026 per SPRO's latest filing, from 18.81 in the prior quarter.
  • Across five years, Price to Earnings topped out at 4.39 in Q4 2025 and bottomed at 95.62 in Q2 2025.
  • Historically, Price to Earnings has averaged 11.38 across 5 years, with a median of 6.07 in 2023.
  • The widest YoY moves for Price to Earnings: up 258.63% in 2025, down 2332.82% in 2025.
  • Over 5 years, Price to Earnings stood at 2.43 in 2022, then plunged by 37.34% to 1.52 in 2023, then tumbled by 281.93% to 2.77 in 2024, then surged by 258.63% to 4.39 in 2025, then sank by 406.38% to 13.46 in 2026.
  • According to Business Quant data, Price to Earnings over the past three periods registered 13.46, 18.81, and 4.39 for Q2 2026, Q1 2026, and Q4 2025 respectively.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr)
1 Amgen 211.73 Bn 197.74 Bn 7.24 Bn
2 Gilead Sciences 180.92 Bn 177.74 Bn 6.22 Bn
3 Vertex Pharmaceuticals 132.16 Bn 124.30 Bn 2.84 Bn
4 Regeneron Pharmaceuticals 82.89 Bn 74.90 Bn 3.93 Bn
5 Argenx Se 61.41 Bn 56.23 Bn 1.37 Bn
6 Moderna 53.99 Bn 48.85 Bn 52.00 Mn
7 Alnylam Pharmaceuticals 34.48 Bn 31.18 Bn 992.69 Mn
8 Biogen 31.15 Bn 29.86 Bn 1.96 Bn
9 Roivant Sciences 30.05 Bn 30.05 Bn 1.16 Mn
10 Spero Therapeutics 67.82 Mn 17.05 Mn -
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 -13.46
Mar 31, 2026 -18.81
Dec 31, 2025 4.39
Sep 30, 2025 -14.34
Jun 30, 2025 -95.62
Mar 31, 2025 -2.90
Dec 31, 2024 -2.77
Sep 30, 2024 -4.11
Jun 30, 2024 -3.93
Mar 31, 2024 -7.32
Dec 31, 2023 1.52
Sep 30, 2023 -20.01
Jun 30, 2023 -6.40
Mar 31, 2023 -5.75
Dec 31, 2022 2.43
Sep 30, 2022 -7.34
Jun 30, 2022 -1.00
Mar 31, 2022 -9.46
Dec 31, 2021 -18.91
Sep 30, 2021 -26.44