Nasdaq · PACB · stock
Pacific Biosciences Of California, INC. (PACB) stock price history
Every Nasdaq trading session of Pacific Biosciences Of California, INC. from Oct 27, 2010 to Sep 28, 2026: 4,003 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
PACB adjusted close, 2010 to 2026
- $51.15
- All time high, 2021
- $2.73
- 52 week high, $1.07 low
- 4,003
- Daily sessions since 2010
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2010 to 2026 series and minute bars.
PACB key facts
- Pacific Biosciences Of California, INC. (PACB) closed at $1.71 on Sep 28, 2026 on Nasdaq.
- PACB's all time high close is $51.15, set on Feb 11, 2021; its all time low close is $0.9100 on May 27, 2025.
- PACB's 52 week range is $1.07 to $2.73.
- PACB returned +41.3% over the year to Sep 28, 2026 and -93.1% over five years.
- Over ten years PACB returned -81%, -15.3% a year compounded.
- PACB's deepest drawdown was -98.2% from Feb 11, 2021 to May 27, 2025.
- DataCedar holds 4,003 daily sessions of PACB history from Oct 27, 2010 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
PACB price chart, 2010 to 2026
PACB returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +22.1% |
| 3 months | +3.6% |
| 6 months | +35.7% |
| Year to date | -1.2% |
| 1 year | +41.3% |
| 3 years | -79.5% |
| 5 years | -93.1% |
| 10 years | -81.0% |
| Since Oct 27, 2010 | -89.6% |
| Compound annual growth, 15.9 years | -13.3% |
PACB records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $51.15 on Feb 11, 2021
- All time low close
- $0.9100 on May 27, 2025
- 52 week high
- $2.73 on Nov 25, 2025
- 52 week low
- $1.07 on Aug 12, 2026
- Deepest drawdown
- -98.2% from Feb 11, 2021 to May 27, 2025, not yet recovered
- Best single session
- +72.8% on Sep 25, 2013
- Worst single session
- -50.7% on Apr 16, 2024
- Volatility, 1 year annualised
- 88.0%
- Sessions closing higher, 1 year
- 45%
- Best calendar year
- 2020, +405%
- Worst calendar year
- 2011, -82%
PACB price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2010 starts on Oct 27, 2010; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $1.95 | $2.73 | $1.07 | $1.71 | -8.6% | 1.2B | 185 |
| 2025 | $1.85 | $2.73 | $0.8500 | $1.87 | +2.2% | 2.3B | 250 |
| 2024 | $9.69 | $9.99 | $1.16 | $1.83 | -81.3% | 2.4B | 252 |
| 2023 | $8.32 | $14.55 | $5.74 | $9.81 | +19.9% | 1.1B | 250 |
| 2022 | $20.50 | $21.01 | $3.85 | $8.18 | -60.0% | 1.6B | 251 |
| 2021 | $26.05 | $53.69 | $18.26 | $20.46 | -21.1% | 739.8M | 252 |
| 2020 | $5.17 | $29.73 | $2.20 | $25.94 | +404.7% | 746.4M | 253 |
| 2019 | $7.38 | $7.50 | $4.37 | $5.14 | -30.5% | 407.4M | 252 |
| 2018 | $2.67 | $7.84 | $2.02 | $7.40 | +180.3% | 450.3M | 251 |
| 2017 | $3.82 | $5.74 | $2.51 | $2.64 | -30.5% | 274.6M | 251 |
| 2016 | $12.99 | $13.98 | $3.76 | $3.80 | -71.1% | 412.4M | 252 |
| 2015 | $7.88 | $14.00 | $3.58 | $13.13 | +67.5% | 300.2M | 252 |
| 2014 | $5.20 | $8.20 | $3.87 | $7.84 | +49.9% | 182.3M | 252 |
| 2013 | $1.75 | $6.50 | $1.60 | $5.23 | +207.6% | 152.9M | 252 |
| 2012 | $2.90 | $5.27 | $1.06 | $1.70 | -39.3% | 87.7M | 250 |
| 2011 | $16.11 | $16.85 | $2.25 | $2.80 | -82.4% | 73.9M | 252 |
| 2010 | $16.50 | $17.47 | $11.25 | $15.91 | n/a | 21.1M | 46 |
PACB monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $1.71 | +25.7% |
| August 2026 | $1.36 | -2.9% |
| July 2026 | $1.40 | -16.7% |
| June 2026 | $1.68 | +12.8% |
| May 2026 | $1.49 | -6.3% |
| April 2026 | $1.59 | +20.5% |
| March 2026 | $1.32 | -21.4% |
| February 2026 | $1.68 | -25.7% |
| January 2026 | $2.26 | +20.9% |
| December 2025 | $1.87 | -19.4% |
| November 2025 | $2.32 | -0.9% |
| October 2025 | $2.34 | +82.8% |
About the PACB data
Daily bars. 4,003 sessions from Oct 27, 2010 to Sep 28, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Oct 27, 2010, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/PACB/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
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Common questions
PACB share price history
