SPRO
Spero Therapeutics IncNASDAQ
Healthcare • Biotechnology
Updated 1 day ago
Coverage ready
Factor tilt: Anti-Quality Micro Cap
$1.15-2.54%
Close Oct 13, 2026
- Market cap
- $66.59M
- 1 month
- +0.9%
- 3 months
- -32.4%
- 1 year
- -48.9%
- 52-week range
- $1.11$2.98
- Dividend
- No dividends on record
- Short interest
- 1.7% of float794.5K shares · settled Sep 30, 2026 · -18.6% since Sep 15, 2026 · FINRA
Fundamentals · trailing 12 months to Jun 30, 2026
- Revenue
- $42.96M
- Net income
- $7.38M
- Free cash flow
- $19.58M
- Book value
- $44.2M
- Total debt
- $2.04M
- P/E
- 9×
- Price / sales
- 1.5×
- Price / book
- 1.5×
- FCF yield
- +29.4%
- Net margin
- +17.2%
EODHD (TTM) · as of Oct 13, 2026
End-of-day close from stored market data, not a live quote.
Portfolio context
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Loading market dates
No upcoming ex-dividend date announced
No 8-K filings in the last 30 days.
Smart money context
Holder IQ: MEDIUM
14 top institutions tracked
as of 2026-Q2 (filed 2026-09-22)
Insider context
Sentiment: unknown
No recent insider trades detected.
Red flags: 2
Largest 13-F holders · Q2 2026
60 filers reported a long position in SPRO for Q2 2026. 13-F holdings are filed up to 45 days after the quarter ends.
| Holder | Value | Shares | Shares vs Q1 2026 |
|---|---|---|---|
| GSK plc | $20.3M | 9.2M | Unchanged |
| PFIZER INC | $5.3M | 2.4M | Unchanged |
| VANGUARD CAPITAL MANAGEMENT LLC | $4.5M | 2M | +13.1% |
| RENAISSANCE TECHNOLOGIES LLC | $2.1M | 947.9K | -20.3% |
| Alphabet Inc. | $2M | 890K | Unchanged |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.7M | 759.3K | +127.9% |
| BlackRock, Inc. | $1.3M | 594.4K | +37.2% |
| GEODE CAPITAL MANAGEMENT, LLC | $1.3M | 566.3K | +8.9% |
| RAYMOND JAMES FINANCIAL INC | $1.2M | 521.7K | New |
| TWO SIGMA INVESTMENTS, LP | $846K | 382.8K | -56.8% |
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