Rating Change
BMO Capital analysts downgraded Ionis Pharmaceuticals, Inc. (NASDAQ:IONS) from Outperform to Market Perform on August 19, 2026.
BMO Capital analysts downgraded Ionis Pharmaceuticals, Inc. (NASDAQ:IONS) from Outperform to Market Perform on August 19, 2026.

At publication ·
Ionis Pharmaceuticals, Inc. (NASDAQ:IONS) · downgrade
At a glance
BMO Capital analysts downgraded Ionis Pharmaceuticals, Inc. (NASDAQ:IONS) from Outperform to Market Perform on August 19, 2026.
Ionis Pharmaceuticals, Inc. operates in the Healthcare sector. The stock currently trades at $61.25 with a market capitalization of $12.6B. The stock has gained 37.9% over the past 52 weeks.
Analyst downgrades can weigh on a stock in the short term as institutional investors who follow BMO Capital's research adjust their positions. However, downgrades also sometimes create buying opportunities if the market overreacts to the rating change. The reasoning behind the downgrade matters more than the rating itself.
Analyst ratings and price targets are one input among many for investment decisions. Historical studies show that consensus analyst recommendations have mixed predictive power on their own, but significant changes in consensus — such as multiple upgrades or downgrades in a short period — can be more meaningful signals.
Among the 10 most recent ratings: 8 Buy, 2 Hold, 0 Sell.
| Date | Firm | Rating | Price Target |
|---|---|---|---|
| Aug 19, 2026 | BMO Capital | Market Perform | N/A |
| Aug 03, 2026 | JP Morgan | Overweight | N/A |
| Jul 30, 2026 | Wells Fargo | Overweight | N/A |
| Jul 30, 2026 | HC Wainwright & Co. | Buy | N/A |
| Jul 21, 2026 | Guggenheim | Buy | N/A |
Related Tools: Analyst Ratings Dashboard | View IONS Stock Page
A rating of Market Perform from BMO Capital reflects the analyst's outlook on Ionis Pharmaceuticals, Inc. (NASDAQ:IONS). Analyst ratings are one factor investors consider alongside earnings, valuation, and sector trends.
Browse recent upgrades and downgrades on our Analyst Ratings Dashboard or the IONS forecast page.
Current market data
NASDAQ · IONS
$60.36
Unchanged: $0.00 · 0.00%
Live quote updated
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