Ionis Pharmaceuticals, Inc. Common Stock (IONS)

Typically moves ±2.91% on earnings

EARNINGS ANALYTICS

event_note Approx. Next Earnings: ~2026-08-21 APPROXIMATE

Across 20 earnings reports since Aug 04, 2021, Ionis Pharmaceuticals, Inc. Common Stock (IONS) has a clear post-earnings pattern. It moves ±2.91% on average after reporting and finishes higher 50.0% of the time. Its largest post-earnings gain was +7.89% (Nov 02, 2023) and its largest decline was -5.29% (Feb 25, 2026). The next earnings report is predicted for 2026-08-21 (approximate).

Earnings reactions

How IONS moved on each past earnings report.

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Earnings Impact

Total Earnings

Avg Abs. Movement

±2.91%

Positive %

50.0%

Negative %

50.0%

Historical Earnings Statistics

Date	Timing	Earnings move	SEC Filing
Apr 29, 2026	☀ PRE	+4.17%	open_in_new
Feb 25, 2026	☀ PRE	-5.29%	open_in_new
Oct 29, 2025	☀ PRE	-2.36%	open_in_new
Jul 30, 2025	☽ POST	-0.83%	open_in_new
Apr 30, 2025	☽ POST	+3.26%	open_in_new
Feb 19, 2025	☽ POST	+2.9%	open_in_new
Nov 06, 2024	☽ POST	-1.56%	open_in_new
Aug 01, 2024	☽ POST	-4.17%	open_in_new
May 07, 2024	☽ POST	-1.99%	open_in_new
Feb 21, 2024	☽ POST	+0.8%	open_in_new
Nov 02, 2023	☽ POST	+7.89%	open_in_new
Aug 09, 2023	☽ POST	-0.36%	open_in_new
May 03, 2023	☽ POST	+3.58%	open_in_new
Feb 22, 2023	☽ POST	-0.3%	open_in_new
Nov 14, 2022	☀ PRE	+1.8%	open_in_new
Aug 09, 2022	☽ POST	+4.2%	open_in_new
May 04, 2022	☽ POST	-3.79%	open_in_new
Feb 24, 2022	☽ POST	-2.13%	open_in_new
Nov 03, 2021	☽ POST	+2.64%	open_in_new
Aug 04, 2021	☽ POST	+4.13%	open_in_new

event

Earnings Count

Total earnings in dataset

trending_up

Avg Abs. Movement

±2.91%

Avg % price change on earnings

description

SEC Filings

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Browse all SEC filings

account_balance

Institutional ownership

Holdings as of Jun 30, 2026 · SEC 13-F

View all 28 →

Funds holding

$2052882967

Total value held

Buying

21 added · 6 reduced

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SEC Filing Types

description SCHEDULE 13G/A

2 chevron_right

Recent SEC Filings

10 most recent

Form	Date Filed	View on EDGAR
4	20260717	open_in_new SEC.gov
4	20260717	open_in_new SEC.gov
4	20260717	open_in_new SEC.gov
4	20260717	open_in_new SEC.gov
8-K	20260710	open_in_new SEC.gov
4	20260709	open_in_new SEC.gov
4	20260709	open_in_new SEC.gov
4	20260709	open_in_new SEC.gov
8-K	20260709	open_in_new SEC.gov
144	20260707	open_in_new SEC.gov

Frequently asked about IONS earnings

When does Ionis Pharmaceuticals, Inc. Common Stock report earnings next? expand_more

Ionis Pharmaceuticals, Inc. Common Stock (IONS)'s next earnings date is approximate for 2026-08-21. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does IONS stock move after earnings? expand_more

Over 20 reports, IONS has moved an average of ±2.91% the session after earnings, closing higher 50.0% of the time.

What was IONS's biggest post-earnings move? expand_more

IONS's largest post-earnings gain on record was +7.89% on Nov 02, 2023, and its largest decline was -5.29% on Feb 25, 2026.

Where can I find Ionis Pharmaceuticals, Inc. Common Stock's SEC filings? expand_more

All of Ionis Pharmaceuticals, Inc. Common Stock's SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.