Spero Therapeutics, Inc. Common Stock (SPRO) is a publicly traded Healthcare sector company. As of May 21, 2026, SPRO trades at $2.60 with a market cap of $149.39M and a P/E ratio of 0.00. SPRO moved +1.16% today. Year to date, SPRO is +8.23%; over the trailing twelve months it is +286.65%. Its 52-week range spans $0.51 to $3.22. Rallies surfaces SPRO's financials, insider trades, hedge fund holdings, congressional trades, analyst ratings, and AI-generated research below.
Spero Therapeutics, Inc. Common Stock (SPRO) research on Rallies includes live charts, financials, analyst ratings, hedge fund holdings, politician trades, insider activity, news, AI research, and community context. SPRO moved +1.16% today.
| Metric | Value |
|---|---|
| Price | $2.60 |
| Market Cap | $149.39M |
| P/E Ratio | 0.00 |
| EPS | $0.00 |
| Dividend Yield | 0.00% |
| 52-Week High | $3.22 |
| 52-Week Low | $0.51 |
| Volume | 0 |
| Avg Volume | 0 |
| Revenue (TTM) | $13.51M |
| Net Income | $-525.95K |
| Gross Margin | 57.80% |
SPRO analyst coverage data. Average price target: $0.00.