Ionis Pharmaceuticals (IONS): Pinnacle Associates Ltd reduced its stake -114K shares

495K

Shares reported · -114K vs prior quarter

0.28%

Disclosed portfolio weight

$19.5M

Reported value

Holdings as of

Jun 30, 2025

Filed

Aug 4, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jul 11, 2025InsiderCEO sold ~$48K of IONS shares in the open market
2. Jul 30, 2025InsiderCEO sold ~$109K of IONS shares in the open market
3. Aug 4, 2025InsiderOfficer sold ~$409K of IONS shares in the open market

What came next

1. Aug 5, 2025InsiderOfficer sold ~$429K of IONS shares in the open market
2. Aug 6, 2025Insider · 1 personInsiders: 2 sales (~$210K)
3. Aug 18, 2025InsiderOfficer sold ~$440K of IONS shares in the open market
4. Aug 22, 2025InsiderDirector sold ~$61K of IONS shares in the open market
5. Sep 2, 2025Insider · 6 peopleInsiders: 9 sales (~$4.0M)
6. Sep 3, 2025Insider · 9 peopleInsiders: 14 sales (~$25.7M)
7. Sep 5, 2025Insider · 2 peopleInsiders: 2 sales (~$373K)
8. Sep 9, 2025Insider · 2 peopleInsiders: 3 sales (~$2.1M)
9. Sep 12, 2025InsiderOfficer sold ~$110K of IONS shares in the open market
10. Oct 28, 2025Company filing · Form 8-K · Material agreementSigned an important agreement
11. Oct 29, 2025Company filing · Form 8-K · ResultsReported its results
12. Nov 11, 2025Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations (and 2 more items)

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Ionis Pharmaceuticals

For Ionis Pharmaceuticals, OQRO holds 4 insider filings (SEC Form 4 or Form 144) and 1 fund holdings report (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its IONS page.

How this filing works

• SEC Form 13F

Other disclosures at Ionis Pharmaceuticals

• SEC Form 4Nov 13, 2026
• SEC Form 13F-HRNov 13, 2026
• SEC Form 4Oct 20, 2026
• SEC Form 4Oct 20, 2026
• SEC Form 144Oct 16, 2026
• SEC Form 13F-HRAug 14, 2026

Everything OQRO holds on this company is on its IONS page.