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Filing
SCHEDULE 13G/A
SCHEDULE 13G/A0002100121-26-001144·VANGUARD PORTFOLIO MANAGEMENT LLC
Schedule 13G ownership disclosure
Ultragenyx Pharmaceutical Inc
Common Stock · CUSIP: 90400D108
Event date: 2026-09-30
- Filing-level shares
- 8,481,266
- Percent of class
- 8.60%
- Vanguard Portfolio Management
Shares: 8,481,266 · Class: 8.60%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0002100121-26-001144
- Form type
- SCHEDULE 13G/A
- Filer
- VANGUARD PORTFOLIO MANAGEMENT LLC
- CIK
- CIK 2100121
- Filed
- Oct 30, 2026
- Reporting period
- Sep 30, 2026
- Description
- Schedule 13G beneficial ownership