Seaport Therapeutics, Inc. (SPTX) stock
Close on Nov 13, 2026Market cap $1.07BP/E –Yield –
Seaport Therapeutics statistics
37 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.
Important dates
- Next earnings
- –
- Last ex-dividend date
- No dividends
- Fundamentals through
- Sep 30, 2026
- Share price as of
- Nov 13, 2026
Valuation ratiosIndustry
- P/TBV Ratio
- 2.69
- 2.22
Share statisticsIndustry
- Shares Change (QoQ)
- 0.00%
- 0.50%
- Float
- 20M
- 49M
- Shares Held by Insiders
- 63.0%
- 11.7%
- Shares Held by Institutions
- 69.9%
- 56.4%
Short sellingIndustry
- Short Interest
- 4M
- –
- Short Interest Change
- 0.39%
- -0.80%
- Short % of Float
- 18.9%
- 9.01%
- Short % of Shares Outstanding
- 6.97%
- 6.30%
- Days to Cover
- 17.42
- 5.15
Stock price statisticsIndustry
- 20-Day Moving Average
- $20.49
- –
- 50-Day Moving Average
- $20.37
- –
- Average True Range (14)
- $1.49
- –
- Price Change (1 Week)
- -7.07%
- -1.15%
- Price Change (1 Month)
- 13.5%
- -4.87%
- Price Change (3 Months)
- -18.1%
- -21.0%
- Price Change (6 Months)
- 18.9%
- -20.6%
- Average Volume (10 Days)
- 311,486
- –
- Average Volume (20 Days)
- 267,854
- –
- Average Volume (90 Days)
- 201,297
- –
- Relative Volume
- 1.74
- 0.70
- Relative Strength Index (14)
- 47.6
- 43.4
- Volatility (1 Year)
- 73.8%
- 80.1%
Financial positionIndustry
- Current Ratio
- 17.48
- 3.30
- Quick Ratio
- 16.98
- 2.39
Balance sheetIndustry
- Net Cash (Debt)
- $290.43M
- $17.76M
- Net Cash Per Share
- $5.43
- $0.80
- Equity (Book Value)
- $397.46M
- $53.89M
- Book Value Per Share
- $7.42
- $1.50
- Tangible Book Value
- $397.46M
- $27.13M
- Working Capital
- $281.96M
- $79.99M
Scores and fair valueIndustry
- Altman Z-Score
- 31.86
- 0.23
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.
| Period | SPTX | S&P 500 | Difference | SPTX per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | +24.3% | -3.0% | +27.3 pts | ||
| 3 months | -15.7% | -2.8% | −13.0 pts |
Short interest
Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.
4M SPTX shares were sold short on Oct 30, 2026, up 0.4% from the previous report, or 18.86% of the shares available to trade. At recent volumes it would take 17.4 days to buy them back. Over the last 20 sessions, 75.8% of the volume reported to FINRA was short selling.
| Settlement date | Shares short | Change | Avg. daily volume | Days to cover |
|---|---|---|---|---|
| Oct 30, 2026 | 3,733,388 | +0.4% | 214,337 | 17.4 |
| Oct 15, 2026 | 3,718,915 | +1.9% | 208,075 | 17.9 |
| Sep 30, 2026 | 3,649,879 | +15.9% | 408,953 | 8.9 |
| Sep 15, 2026 | 3,148,881 | -0.1% | 152,218 | 20.7 |
| Aug 31, 2026 | 3,152,409 | +4.6% | 121,336 | 26.0 |
| Aug 14, 2026 | 3,012,877 | +9.2% | 119,904 | 25.1 |
| Jul 31, 2026 | 2,758,029 | +39.3% | 89,684 | 30.8 |
| Jul 15, 2026 | 1,980,276 | -28.8% | 161,227 | 12.3 |
| Jun 30, 2026 | 2,779,385 | +43.3% | 362,395 | 7.7 |
| Jun 15, 2026 | 1,938,933 | +10.6% | 119,439 | 16.2 |
| May 29, 2026 | 1,752,377 | +20.1% | 217,003 | 8.1 |
| May 15, 2026 | 1,459,469 | – | 850,464 | 1.7 |
Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.
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