Ultragenyx Pharmaceutical Inc.

FRONTIER CAPITAL MANAGEMENT CO LLC RARE

Report date

6/30/2026

Quarter

2026 Q2

Filed

8/14/2026

Shares

2,847,936

Value ($000)

95,093

Weight

0.9%

2025 Q2 - 2026 Q2 (5 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2026 Q2	8/14/2026	95,093	0.9%	2,847,936	6/30/2026
2026 Q1	5/15/2026	45,905	0.5%	2,191,182	3/31/2026
2025 Q4	2/17/2026	45,197	0.5%	1,965,084	12/31/2025
2025 Q3	11/14/2025	32,158	0.3%	1,069,098	9/30/2025
2025 Q2	8/14/2025	19,106	0.2%	525,464	6/30/2025