RARE Ultragenyx Pharmaceutical Inc.
Ultragenyx Pharmaceutical Inc. (RARE) Institutional Ownership
What the institutions did with RARE last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
Sign in or subscribeLargest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 10.7M | 10.0% |
| RTW INVESTMENTS, LP | 7.8M | 7.3% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6.8M | 6.4% |
| AQR CAPITAL MANAGEMENT LLC | 6.6M | 6.1% |
| STATE STREET CORP | 6.2M | 5.8% |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.3M | 4.0% |
| TWO SIGMA INVESTMENTS, LP | 3.6M | 3.4% |
| SANDS CAPITAL MANAGEMENT, LLC | 3.2M | 3.0% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 2.9M | 2.8% |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 2.8M | 2.7% |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6M | 2.4% |
| Bellevue Group AG | 2.0M | 1.9% |
| D. E. Shaw & Co., Inc. | 1.7M | 1.6% |
| Sofinnova Investments, Inc. | 1.7M | 1.6% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1.6M | 1.5% |
| GW&K Investment Management, LLC | 1.5M | 1.4% |
| MPM BIOIMPACT LLC | 1.4M | 1.3% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.4M | 1.3% |
| MORGAN STANLEY | 1.3M | 1.2% |
| WELLINGTON MANAGEMENT GROUP LLP | 1.3M | 1.2% |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 1.2M | 1.2% |
| BANK OF AMERICA CORP /DE/ | 1.1M | 1.1% |
| Candriam S.C.A. | 1.0M | 0.9% |
| Rock Springs Capital Management LP | 967.9K | 0.9% |
| Jefferies Financial Group Inc. | 929.6K | 0.9% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| RTW INVESTMENTS, LP | Increased | 3.6M | 7.8M | +4.1M |
| BlackRock, Inc. | Increased | 7.3M | 10.7M | +3.4M |
| Assenagon Asset Management S.A. | Reduced | 2.3M | 241.7K | -2.0M |
| AQR CAPITAL MANAGEMENT LLC | Increased | 4.6M | 6.6M | +2.0M |
| CITADEL ADVISORS LLC | Reduced | 2.1M | 210.5K | -1.9M |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Increased | 1.4M | 2.9M | +1.5M |
| Sofinnova Investments, Inc. | Reduced | 3.1M | 1.7M | -1.4M |
| MPM BIOIMPACT LLC | New | 0 | 1.4M | +1.4M |
| TWO SIGMA INVESTMENTS, LP | Increased | 2.2M | 3.6M | +1.4M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 5.4M | 6.8M | +1.4M |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 2.6M | 1.3M | -1.4M |
| Jones Hill Capital LP | Sold Out | 1.2M | 0 | -1.2M |
| STATE STREET CORP | Increased | 5.0M | 6.2M | +1.1M |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Increased | 480.0K | 1.6M | +1.1M |
| MILLENNIUM MANAGEMENT LLC | Reduced | 1.8M | 760.8K | -1.0M |
| Jefferies Financial Group Inc. | Increased | 15.5K | 929.6K | +914.1K |
| Point72 Asset Management, L.P. | Sold Out | 893.3K | 0 | -893.3K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.8M | 2.6M | +729.4K |
| FRONTIER CAPITAL MANAGEMENT CO LLC | Increased | 2.2M | 2.8M | +656.8K |
| HRT FINANCIAL LP | Sold Out | 613.2K | 0 | -613.2K |
| PANAGORA ASSET MANAGEMENT INC | New | 0 | 586.2K | +586.2K |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 804.1K | 1.4M | +552.4K |
| Catalio Capital Management, LP | Reduced | 850.8K | 316.3K | -534.5K |
| D. E. Shaw & Co., Inc. | Increased | 1.3M | 1.7M | +469.2K |
| Schonfeld Strategic Advisors LLC | Reduced | 494.7K | 52.9K | -441.9K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.