Spero Therapeutics SPRO
NASDAQ SPRO
$1.22 +0.01 (+0.83%)
At close: Aug 21, 2026 · 4:00 PM EDT

Spero Therapeutics (SPRO) Shares Outstanding (Diluted) (2021 - 2026)

Spero Therapeutics (SPRO) Shares Outstanding (Diluted) (2021 - 2026) Analysis & Trends

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Dil.) (Qtr)
1 Vertex Pharmaceuticals 139.13 Bn 131.28 Bn 2.84 Bn 255.20 Mn
2 Regeneron Pharmaceuticals 85.77 Bn 77.77 Bn 3.93 Bn 106.00 Mn
3 Argenx Se 64.64 Bn 59.46 Bn 1.37 Bn 64.41 Mn
4 Moderna 58.29 Bn 53.16 Bn 52.00 Mn 398.00 Mn
5 BeOne Medicines 41.92 Bn 36.82 Bn 1.53 Bn 115.80 Mn
6 Alnylam Pharmaceuticals 31.58 Bn 28.28 Bn 992.69 Mn 138.28 Mn
7 BioNTech SE 28.12 Bn 9.73 Bn 668.28 Mn 241.70 Mn
8 Insmed 27.39 Bn 26.22 Bn 358.27 Mn 217.35 Mn
9 Royalty Pharma 27.27 Bn 26.43 Bn - 556.90 Mn
10 Spero Therapeutics 70.72 Mn 19.95 Mn - 57.97 Mn

Historic Data

Download Data
DateValue
Jun 30, 2026 57.28 Mn
Mar 31, 2026 57.28 Mn
Dec 31, 2025 59.04 Mn
Sep 30, 2025 56.28 Mn
Jun 30, 2025 56.03 Mn
Mar 31, 2025 55.38 Mn
Dec 31, 2024 54.04 Mn
Sep 30, 2024 54.12 Mn
Jun 30, 2024 53.96 Mn
Mar 31, 2024 53.52 Mn
Dec 31, 2023 52.99 Mn
Sep 30, 2023 52.71 Mn
Jun 30, 2023 52.57 Mn
Mar 31, 2023 52.53 Mn
Dec 31, 2022 37.59 Mn
Sep 30, 2022 35.88 Mn
Jun 30, 2022 32.98 Mn
Mar 31, 2022 32.61 Mn
Dec 31, 2021 30.90 Mn
Sep 30, 2021 32.13 Mn