- ISIN
- US69404D1081
- CUSIP
- 69404D108
- Sector
- Healthcare
- Industry
- Diagnostics & Research
- IPO Date
- Oct 27, 2010
Highlights
- Market Cap
- $403.68M
- Enterprise Value
- $771.83M
- EPS (TTM)
- -$0.43
- Total Revenue (TTM)
- $160.03M
- Gross Profit (TTM)
- $59.34M
- EBITDA (TTM)
- -$146.34M
- Year Range
- $1.09 - $2.73
- Target Price
- $1.00
- ROA (TTM)
- -16.43%
- ROE (TTM)
- -122.73%
Share Price Chart
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Performance
PACB Performance Chart
Pacific Biosciences of California, Inc. (PACB) is down 29.4% since the beginning of the year. At $1 per share, PACB is trading 51.6% below its 52-week high of $3. Investors who bought $1,000 worth of PACB shares 5 years ago would now be looking at an investment worth $42.
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Returns By Period
Pacific Biosciences of California, Inc. (PACB) has returned -29.41% so far this year and 3.94% over the past 12 months. Over the last ten years, PACB has returned -16.62% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
Pacific Biosciences of California, Inc.
- 1D
- -5.71%
- 1M
- 8.20%
- YTD
- -29.41%
- 6M
- -27.47%
- 1Y
- 3.94%
- 3Y*
- -52.73%
- 5Y*
- -46.94%
- 10Y*
- -16.62%
Benchmark (S&P 500 Index)
- 1D
- -0.37%
- 1M
- -0.01%
- YTD
- 9.16%
- 6M
- 8.64%
- 1Y
- 25.22%
- 3Y*
- 19.78%
- 5Y*
- 11.99%
- 10Y*
- 13.88%
PACB Monthly Returns History
Based on dividend-adjusted daily data since Oct 27, 2010, PACB's average daily return is +0.07%, while the average monthly return is +1.54%. At this rate, an investment would double in approximately 3.8 years.
Historically, 43% of months were positive and 57% were negative. The best month was Oct 2015 with a return of +94.0%, while the worst month was Apr 2024 at -56.0%. The longest winning streak lasted 7 consecutive months, and the longest losing streak was 9 months.
On a daily basis, PACB closed higher 47% of trading days. The best single day was Sep 25, 2013 with a return of +72.8%, while the worst single day was Apr 16, 2024 at -50.6%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 20.86% | -25.66% | -21.43% | 20.45% | -6.29% | -11.41% | -29.41% | ||||||
| 2025 | -15.85% | -5.84% | -18.62% | -5.93% | -13.18% | 28.67% | 11.29% | -5.07% | -2.29% | 82.81% | -0.85% | -19.40% | 2.19% |
| 2024 | -33.64% | -15.05% | -32.19% | -56.00% | 8.48% | -23.46% | 50.36% | -33.50% | 24.09% | 27.65% | -11.98% | -4.19% | -81.35% |
| 2023 | 35.57% | -18.12% | 27.53% | -8.46% | 16.79% | 7.43% | -0.68% | -14.61% | -25.98% | -25.99% | 37.22% | 15.68% | 19.93% |
| 2022 | -45.36% | 6.62% | -23.66% | -30.33% | -11.20% | -21.49% | -1.13% | 34.10% | -0.94% | 45.39% | 27.37% | -23.91% | -60.02% |
| 2021 | 24.71% | -5.50% | 8.96% | -10.39% | -9.38% | 29.28% | -8.06% | -2.61% | -18.40% | 3.64% | -12.35% | -11.85% | -21.13% |
Benchmark Metrics
Pacific Biosciences of California, Inc. has an annualized alpha of -3.91%, beta of 1.69, and R2 of 0.12 versus S&P 500 Index. Calculated based on daily prices since October 27, 2010.
- This stock participated in 227.60% of S&P 500 Index downside but only 130.90% of its upside - more exposed to losses than it benefited from rallies.
- R2 of 0.12 means this stock moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- -3.91%
- Beta
- 1.69
- R²
- 0.12
- Upside Capture
- 130.90%
- Downside Capture
- 227.60%
Return for Risk
Risk / Return Rank
PACB ranks 45 for risk / return — on par with similar stocks. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Pacific Biosciences of California, Inc. (PACB) and compare them to S&P 500 Index.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| PACB | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.98 | ||
| Sortino ratioReturn per unit of downside risk | -2.02 | ||
| Omega ratioGain probability vs. loss probability | 1.08 | 1.37 | -0.29 |
| Calmar ratioReturn relative to maximum drawdown | 0.07 | 2.78 | -2.72 |
| Martin ratioReturn relative to average drawdown | 0.13 | 12.44 | -12.31 |
Dividends
Dividend History
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the Pacific Biosciences of California, Inc.. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the Pacific Biosciences of California, Inc. was 98.22%, occurring on May 27, 2025. The portfolio has not yet recovered.
The current Pacific Biosciences of California, Inc. drawdown is 97.42%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
2025 selloff2025 | -98.22%May 2025 | 4y 3mo | — | 5y 4moFeb 2021 - now |
2012 bear market2012 | -93.52%Nov 2012 | 2y 16d | 8y 20d | 10y 1moOct 2010 - Dec 2020 |
2021 bear market2021 | -22.74%Jan 2021 | 7d | 14d | 21dJan 2021 - Feb 2021 |
2020 correction2020 | -11.19%Dec 2020 | 8d | 4d | 12dDec 2020 - Dec 2020 |
2020 correction2020 | -10.95%Dec 2020 | 5d | 9d | 14dDec 2020 - Jan 2021 |
Drawdown Indicators
| PACB | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -98.22% | -56.78% | -41.44% |
Max Drawdown (1Y)Largest decline over 1 year | -58.05% | -9.10% | -48.95% |
Max Drawdown (3Y)Largest decline over 3 years | -93.47% | -18.90% | -74.57% |
Max Drawdown (5Y)Largest decline over 5 years | -97.47% | -25.43% | -72.04% |
Max Drawdown (10Y)Largest decline over 10 years | -98.22% | -33.92% | -64.30% |
Current DrawdownCurrent decline from peak | -97.42% | -1.80% | -95.62% |
Average DrawdownAverage peak-to-trough decline | -70.56% | -10.71% | -59.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 31.43% | 2.03% | +29.40% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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Financials
Financial Performance
The chart below illustrates the trends in the financial health of Pacific Biosciences of California, Inc. over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.
Valuation
The Valuation section provides an overview of how Pacific Biosciences of California, Inc. is priced in the market compared to other companies in the Diagnostics & Research industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.
PS Ratio
This chart shows the Price-to-Sales (P/S) ratio for PACB relative to other companies in the Diagnostics & Research industry. Currently, PACB has a P/S ratio of 2.5. This P/S ratio falls within the average range for the industry, suggesting the stock is fairly valued based on its revenue.
PB Ratio
The chart illustrates the Price-to-Book (P/B) ratio for PACB in comparison with other companies in the Diagnostics & Research industry. Currently, PACB has a P/B value of 3.9. This P/B ratio is in line with the industry average, suggesting the stock is valued fairly in relation to its book value.
Income Statement
| TTM | |
|---|---|
Revenue | — |
Total Revenue | — |
Cost Of Revenue | — |
Gross Profit | — |
Operating Expenses | — |
Selling, General & Admin Expenses | — |
R&D Expenses | — |
Depreciation And Amortization | — |
Total Operating Expenses | — |
Income | — |
Income Before Tax | — |
Operating Income | — |
EBITDA | — |
EBIT | — |
Earnings From Continuing Operations | — |
Net Income | — |
Income Tax Expense | — |
Other Non-Operating Income (Expenses) | — |
Extraordinary Items | — |
Discontinued Operations | — |
Effect Of Accounting Charges | — |
Non Recurring | — |
Minority Interest | — |
Other Items | — |
Interest Income | — |
Interest Expense | — |
Net Interest Income | — |
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