Seaport Therapeutics, Inc. (SPTX) stock
Close on Nov 13, 2026Market cap $1.07BP/E –Yield –
Key statistics
Valuation at the latest close; fundamentals over fiscal , balances at Sep 30, 2026
Valuation
- Market cap
- $1.07B
- P/E ratio
- –
- Price to sales
- –
- Price to book
- 2.69
- Dividend yield
- –
- Free cash flow yield
- –
Fundamentals
- Book value per share
- $7.42
- Diluted shares
- 54M
Trading
- Previous close
- $20.13
- Open
- $20.10
- Day's range
- $19.56 – $20.53
- Volume
- 346,855
- Average volume (20 days)
- 267,854
- RSI (14 days)
- 47.6
- Volatility (1 year)
- 73.8%
- Relative volume
- 1.74×
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 |
Two years at a glance
Fiscal years 2024 to 2025, USD
Press releases
Releases Seaport Therapeutics filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- Results
Seaport Therapeutics stock: common questions
What is Seaport Therapeutics's stock price?
SPTX closed at $19.98 on Nov 13, 2026, down 0.75% on the day.
What is Seaport Therapeutics's market cap?
Seaport Therapeutics was worth $1.07B at the close on Nov 13, 2026: the share price times the diluted shares outstanding.
Does Seaport Therapeutics pay a dividend?
No. Seaport Therapeutics has not paid a cash dividend over the last twelve months.
How many SPTX shares are sold short?
4M shares were sold short at the latest FINRA report, 18.86% of the float, or 17.4 days of average trading volume.
Who are Seaport Therapeutics's competitors?
Companies most similar to Seaport Therapeutics by business, industry and size include LLY, JNJ, ABBV, MRK, AZN.
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