Ionis Pharmaceuticals, Inc.
IONSNASDAQHealthcareBiotechnology
$43.91Today:- (-)1Y −38.59%
As of Oct 22, 2026 close
- Market cap
- $7.26B
- P/E (TTM)
- -
- Forward P/E
- -
- Dividend yield
- -
- 52-week range
- $42.08$86.74
- Volume (live)
- -
- Avg. volume (3M)
- 3.80M
Ionis Pharmaceuticals (IONS) Historical Stock Prices
Analyze Ionis Pharmaceuticals (IONS) historical stock prices with comprehensive OHLC data, adjusted close prices, and daily trading volume. Access interactive price charts and detailed historical price data across multiple timeframes including daily, weekly, monthly, and yearly intervals for complete price history analysis.
Ionis Pharmaceuticals (IONS) Interactive Price Chart
Interactive historical price chart showing Ionis Pharmaceuticals stock price movements and trends across multiple time periods.
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IONS Historical Price Data Table
Complete historical stock price data with OHLC prices, adjusted close, and daily trading volume. Filter by time interval and date range for detailed price history analysis.
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Active filters: 6 Months · Daily126 records
Showing 1-50 of 126
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| Date | Open | High | Low | Close | Adj Close | Volume |
|---|---|---|---|---|---|---|
| Oct 22, 2026 | 45.02 | 45.15 | 43.41 | 43.91 | 43.91 | 5.01M |
| Oct 21, 2026 | 45.55 | 45.76 | 44.26 | 44.27 | 44.27 | 2.27M |
| Oct 20, 2026 | 44.45 | 45.48 | 44.01 | 45.40 | 45.40 | 2.49M |
| Oct 19, 2026 | 43.33 | 44.54 | 43.00 | 44.38 | 44.38 | 3.10M |
| Oct 16, 2026 | 44.53 | 44.65 | 42.80 | 42.94 | 42.94 | 1.67M |
| Oct 15, 2026 | 43.58 | 44.71 | 43.42 | 44.12 | 44.12 | 2.48M |
| Oct 14, 2026 | 42.22 | 43.47 | 42.08 | 42.70 | 42.70 | 2.03M |
| Oct 13, 2026 | 43.55 | 43.58 | 42.36 | 42.38 | 42.38 | 2.98M |
| Oct 12, 2026 | 45.37 | 45.45 | 43.62 | 43.67 | 43.67 | 1.95M |
| Oct 9, 2026 | 43.21 | 45.72 | 43.12 | 45.28 | 45.28 | 4.86M |
| Oct 8, 2026 | 43.76 | 44.19 | 42.79 | 43.30 | 43.30 | 3.35M |
| Oct 7, 2026 | 43.75 | 44.26 | 43.53 | 44.16 | 44.16 | 2.94M |
| Oct 6, 2026 | 44.19 | 44.66 | 43.17 | 44.00 | 44.00 | 2.19M |
| Oct 5, 2026 | 43.75 | 43.96 | 42.63 | 43.50 | 43.50 | 2.87M |
| Oct 2, 2026 | 44.17 | 44.17 | 43.24 | 43.54 | 43.54 | 2.31M |
| Oct 1, 2026 | 44.63 | 45.95 | 43.96 | 44.00 | 44.00 | 2.03M |
| Sep 30, 2026 | 46.07 | 46.24 | 44.60 | 44.65 | 44.65 | 2.63M |
| Sep 29, 2026 | 45.53 | 46.46 | 45.39 | 45.89 | 45.89 | 3.89M |
| Sep 28, 2026 | 44.56 | 46.95 | 44.06 | 45.57 | 45.57 | 3.74M |
| Sep 25, 2026 | 44.24 | 45.28 | 43.62 | 44.50 | 44.50 | 6.20M |
| Sep 24, 2026 | 43.77 | 44.60 | 43.25 | 43.81 | 43.81 | 6.45M |
| Sep 23, 2026 | 46.23 | 46.41 | 43.01 | 43.93 | 43.93 | 3.54M |
| Sep 22, 2026 | 44.96 | 46.13 | 44.44 | 45.75 | 45.75 | 4.24M |
| Sep 21, 2026 | 44.95 | 45.25 | 44.20 | 44.90 | 44.90 | 4.52M |
| Sep 18, 2026 | 46.75 | 46.75 | 44.27 | 44.44 | 44.44 | 7.37M |
| Sep 17, 2026 | 46.68 | 47.42 | 45.75 | 46.75 | 46.75 | 4.08M |
| Sep 16, 2026 | 47.38 | 47.59 | 44.66 | 44.84 | 44.84 | 7.96M |
| Sep 15, 2026 | 51.37 | 51.37 | 46.72 | 47.25 | 47.25 | 6.81M |
| Sep 14, 2026 | 54.88 | 55.50 | 51.31 | 51.44 | 51.44 | 5.97M |
| Sep 11, 2026 | 55.94 | 56.16 | 54.16 | 54.21 | 54.21 | 2.18M |
| Sep 10, 2026 | 55.75 | 55.77 | 54.91 | 55.65 | 55.65 | 3.06M |
| Sep 9, 2026 | 56.38 | 56.96 | 55.70 | 56.02 | 56.02 | 3.04M |
| Sep 8, 2026 | 52.15 | 57.43 | 52.15 | 56.71 | 56.71 | 9.18M |
| Sep 4, 2026 | 58.36 | 58.96 | 57.78 | 58.09 | 58.09 | 2.67M |
| Sep 3, 2026 | 60.42 | 60.42 | 57.47 | 58.13 | 58.13 | 4.35M |
| Sep 2, 2026 | 60.25 | 61.77 | 59.77 | 61.33 | 61.33 | 1.85M |
| Sep 1, 2026 | 60.37 | 60.99 | 59.78 | 59.88 | 59.88 | 1.87M |
| Aug 31, 2026 | 61.06 | 61.06 | 59.70 | 60.36 | 60.36 | 2.02M |
| Aug 28, 2026 | 60.62 | 61.69 | 60.35 | 61.05 | 61.05 | 1.85M |
| Aug 27, 2026 | 63.48 | 63.48 | 62.34 | 62.43 | 62.43 | 1.63M |
| Aug 26, 2026 | 63.50 | 63.55 | 62.44 | 63.36 | 63.36 | 2.15M |
| Aug 25, 2026 | 62.53 | 64.19 | 62.19 | 63.57 | 63.57 | 2.44M |
| Aug 24, 2026 | 60.53 | 62.07 | 59.70 | 62.04 | 62.04 | 2.21M |
| Aug 21, 2026 | 59.64 | 60.91 | 59.06 | 59.74 | 59.74 | 2.72M |
| Aug 20, 2026 | 60.02 | 60.41 | 58.60 | 58.76 | 58.76 | 2.12M |
| Aug 19, 2026 | 60.11 | 61.35 | 59.61 | 60.80 | 60.80 | 3.14M |
| Aug 18, 2026 | 58.41 | 60.19 | 58.02 | 59.62 | 59.62 | 3.19M |
| Aug 17, 2026 | 57.11 | 58.74 | 56.41 | 58.63 | 58.63 | 2.00M |
| Aug 14, 2026 | 55.16 | 57.24 | 55.16 | 57.24 | 57.24 | 1.35M |
| Aug 13, 2026 | 56.50 | 56.81 | 55.56 | 55.87 | 55.87 | 1.22M |
Show:of 126
Source: Daily price history (open, high, low, close and volume). Data as of Oct 22, 2026. Data sources and methodology
Understanding Historical Stock Price Data & OHLC Metrics
- Open Price
- The price at which the stock opened for trading at the start of the trading session.
- High Price
- The highest price at which the stock traded during the trading session.
- Low Price
- The lowest price at which the stock traded during the trading session.
- Close Price
- The final price when trading closed for the session.
- Adjusted Close Price
- The closing price adjusted for corporate actions such as dividends, stock splits, and rights offerings. Used for accurate long-term historical price analysis and return calculations.
- Volume
- The total number of shares traded during the session, indicating trading activity and liquidity.