Quick Takeaways
- WELLINGTON MANAGEMENT GROUP LLP filed SCHEDULE 13G/A for Ionis Pharmaceuticals, Inc. Common Stock (IONS).
- Disclosed ownership: 4.3%.
- Date of event: 30 Jun 2025.
WELLINGTON MANAGEMENT GROUP LLP - 30 Jun 2025 SCHEDULE 13G/A Report for Ionis Pharmaceuticals, Inc. Common Stock (IONS)
- Filing Manager
- WELLINGTON MANAGEMENT GROUP LLP
- Reporting Manager
- Wellington Management Group LLP
- Symbol
- IONS
- Shares outstanding
- 159,997,047 shares
- Disclosed Ownership
- 6,879,873 shares
- Ownership
- 4.3%
- Form type
- SCHEDULE 13G/A
- Filing time
- 12 Aug 2025, 10:34:26 UTC
- Date of event
- 30 Jun 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"WELLINGTON MANAGEMENT GROUP LLP disclosed 4.3% ownership in Ionis Pharmaceuticals, Inc. Common Stock (IONS) on 30 Jun 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 12 Aug 2025, 10:34.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (3)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Wellington Management Group LLP | 4.3% | 6,879,873 | 0 | 6,587,730 | Taisia Lowe | Regulatory Analyst | |
| Wellington Group Holdings LLP | 4.3% | 6,879,873 | 0 | 6,587,730 | Taisia Lowe | Regulatory Analyst | |
| Wellington Investment Advisors Holdings LLP | 4.3% | 6,879,873 | 0 | 6,587,730 | Taisia Lowe | Regulatory Analyst |