MBX Biosciences, Inc. (MBX) stock
Close on Nov 13, 2026Market cap $2.69BP/E –Yield –
MBX Biosciences statistics
60 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
- Mar 11, 2027 (estimated, before the open)
- Last ex-dividend date
- No dividends
- Fundamentals through
- Sep 30, 2026
- Share price as of
- Nov 13, 2026
Valuation ratiosIndustry
- P/TBV Ratio
- 5.70
- 2.22
Share statisticsIndustry
- Shares Change (QoQ)
- 3.53%
- 0.50%
- Float
- 21M
- 49M
- Shares Held by Insiders
- 57.3%
- 11.7%
- Shares Held by Institutions
- 115.2%
- 56.4%
Short sellingIndustry
- Short Interest
- 4M
- –
- Short Interest Change
- -3.11%
- -0.80%
- Short % of Float
- 20.8%
- 9.01%
- Short % of Shares Outstanding
- 8.90%
- 6.30%
- Days to Cover
- 7.90
- 5.15
Stock price statisticsIndustry
- 52-Week High
- $72.64
- –
- 52-Week Low
- $23.07
- –
- 20-Day Moving Average
- $53.35
- –
- 50-Day Moving Average
- $55.78
- –
- 200-Day Moving Average
- $46.32
- –
- Average True Range (14)
- $3.80
- –
- Price Change (1 Week)
- 8.94%
- -1.15%
- Price Change (1 Month)
- 10.3%
- -4.87%
- Price Change (3 Months)
- -18.0%
- -21.0%
- Price Change (6 Months)
- 72.4%
- -20.6%
- Price Change (YTD)
- 77.4%
- -23.6%
- Price Change (1 Year)
- 127.4%
- -22.4%
- Average Volume (10 Days)
- 547,961
- –
- Average Volume (20 Days)
- 537,599
- –
- Average Volume (90 Days)
- 551,704
- –
- Relative Volume
- 1.55
- 0.70
- Relative Strength Index (14)
- 53.3
- 43.4
- Volatility (1 Year)
- 77.2%
- 80.1%
- Beta (5 Years)
- 1.94
- 1.07
Returns on capitalIndustry
- Return on Equity (ROE)
- -33.7%
- -49.9%
- Return on Assets (ROA)
- -32.2%
- -40.6%
- Return on Capital Employed (ROCE)
- -33.7%
- -37.9%
Financial positionIndustry
- Current Ratio
- 19.58
- 3.30
- Quick Ratio
- 19.14
- 2.39
EfficiencyIndustry
- Profits Per Employee
- -$2.30M
- -$689.41K
- Employee Count
- 63
- 74
- WACC
- 14.8%
- 10.2%
Income statement (TTM)Industry
Balance sheetIndustry
- Net Cash (Debt)
- $481.60M
- $17.76M
- Net Cash Per Share
- $10.00
- $0.80
- Equity (Book Value)
- $472.95M
- $53.89M
- Book Value Per Share
- $9.82
- $1.50
- Tangible Book Value
- $472.95M
- $27.13M
- Working Capital
- $467.60M
- $79.99M
Cash flow (TTM)Industry
- Capital Expenditures
- -$3.32M
- -$1.00M
- FCF Per Share
- -$2.06
- -$0.42
Dividends and yieldsIndustry
- Earnings Yield
- -5.39%
- -21.8%
- FCF Yield
- -3.69%
- -9.44%
Scores and fair valueIndustry
- Altman Z-Score
- 57.51
- 0.23
- Piotroski F-Score
- 4
- 4
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 | MBX | S&P 500 | Difference | MBX per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | +14.2% | -3.0% | +17.2 pts | ||
| 3 months | -16.6% | -2.8% | −13.8 pts | ||
| Year to date | +77.4% | +11.5% | +65.9 pts | ||
| 1 year | +132.4% | +13.5% | +118.9 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 MBX shares were sold short on Oct 30, 2026, down 3.1% from the previous report, or 20.82% of the shares available to trade. At recent volumes it would take 7.9 days to buy them back. Over the last 20 sessions, 47.9% of the volume reported to FINRA was short selling.
| Settlement date | Shares short | Change | Avg. daily volume | Days to cover |
|---|---|---|---|---|
| Oct 30, 2026 | 4,285,299 | -3.1% | 542,474 | 7.9 |
| Oct 15, 2026 | 4,422,964 | -1.0% | 592,717 | 7.5 |
| Sep 30, 2026 | 4,466,280 | +8.1% | 653,352 | 6.8 |
| Sep 15, 2026 | 4,129,859 | -0.6% | 361,137 | 11.4 |
| Aug 31, 2026 | 4,155,572 | -16.1% | 409,997 | 10.1 |
| Aug 14, 2026 | 4,950,102 | -4.6% | 442,769 | 11.2 |
| Jul 31, 2026 | 5,188,562 | -10.2% | 609,309 | 8.5 |
| Jul 15, 2026 | 5,776,709 | -2.0% | 930,195 | 6.2 |
| Jun 30, 2026 | 5,895,340 | +3.2% | 1,116,750 | 5.3 |
| Jun 15, 2026 | 5,710,506 | +18.7% | 960,306 | 6.0 |
| May 29, 2026 | 4,811,025 | +12.3% | 568,896 | 8.5 |
| May 15, 2026 | 4,284,613 | +6.2% | 857,788 | 5.0 |
Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.
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