Ultragenyx Pharmaceutical Ownership | Who Owns Ultragenyx Pharmaceutical?
Ultragenyx Pharmaceutical Ownership Summary
Ultragenyx Pharmaceutical is owned by 40.16% institutional investors, 3.41% insiders, and 56.43% retail investors. Vanguard group is the largest institutional shareholder, holding 10.29% of RARE shares. State Street® SPDR® S&P® Biotech ETF is the top mutual fund, with 3.52% of its assets in Ultragenyx Pharmaceutical shares.
RARE Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Ultragenyx Pharmaceutical | 40.16% | 3.41% | 56.43% |
| Sector | Healthcare Stocks | 35.58% | 11.87% | 52.55% |
| Industry | Biotech Stocks | 35.75% | 11.83% | 52.41% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 10.26M | 10.29% | $236.07M |
| Blackrock funding, inc. /de | 7.30M | 7.40% | $152.93M |
| Blackrock | 5.60M | 6.65% | $230.30M |
| State street | 5.02M | 5.09% | $105.20M |
| Aqr capital management | 4.58M | 4.64% | $95.91M |
| Rtw investments, lp | 3.65M | 3.70% | $76.44M |
| Sands capital management | 3.21M | 3.26% | $67.34M |
| Sofinnova investments | 3.15M | 3.19% | $65.91M |
| Wellington management group llp | 2.64M | 2.68% | $55.33M |
| Bellevue group | 2.38M | 2.41% | $49.86M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Cutter capital management, lp | 406.80K | 7.01% | $17.11M |
| Catalio capital management, lp | 850.80K | 3.72% | $17.82M |
| Eagle health investments lp | 884.12K | 3.24% | $18.52M |
| Krensavage asset management | 390.88K | 3.20% | $8.19M |
| Sphera funds management | 809.33K | 2.69% | $16.96M |
| Sofinnova investments | 3.15M | 2.50% | $65.91M |
| B group | 135.00K | 2.10% | $2.83M |
| Bioimpact capital | 395.70K | 1.95% | $11.90M |
| Palo alto investors lp | 596.50K | 1.91% | $12.50M |
| Blue owl capital lp | 302.64K | 1.70% | $6.34M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Aqr capital management | 4.58M | 0.04% | 3.22M |
| Sofinnova investments | 3.15M | 2.50% | 3.06M |
| Bellevue group | 2.38M | 1.19% | 2.38M |
| Assenagon asset management | 2.26M | 0.07% | 2.06M |
| Two sigma investments, lp | 2.21M | 0.04% | 1.78M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Jpmorgan chase | 245.93K | 0.00% | -3.73M |
| Baker bros. advisors lp | - | - | -2.77M |
| Fmr | 287.32K | 0.00% | -2.38M |
| Suvretta capital management | - | - | -2.02M |
| Alkeon capital management | - | - | -1.69M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 1.26M | 0.00% | 1.26M | $29.00M |
| Qube research | 914.76K | 0.02% | 914.76K | $19.16M |
| Point72 asset management | 893.29K | 0.02% | 893.29K | $18.71M |
| Vanguard fiduciary trust | 608.22K | 0.00% | 608.22K | $12.74M |
| Braidwell lp | 588.70K | 0.53% | 588.70K | $17.71M |
Sold Out
| Holder | Change |
|---|---|
| Stephens consulting | -1.00 |
| Tfc financial management | -2.00 |
| Concourse financial group securities | -3.00 |
| Twin peaks wealth advisors | -3.00 |
| Wealthspire advisors | -4.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 174 | -45.63% | 39,598,739 | -57.85% | 40 | 0.44% | 99 | -42.77% | 51 | -43.96% |
| Dec 31, 2025 | 197 | -40.66% | 57,538,166 | -39.74% | 57 | 0.61% | 105 | -42.62% | 60 | -36.84% |
| Sep 30, 2025 | 316 | -7.87% | 91,125,125 | -3.19% | 92 | 1.01% | 174 | -2.79% | 92 | -9.80% |
| Jun 30, 2025 | 338 | 6.29% | 94,259,190 | 8.19% | 95 | 1.17% | 178 | 10.56% | 100 | -2.91% |
| Mar 31, 2025 | 319 | -4.20% | 88,821,804 | 1.51% | 92 | 1.10% | 161 | -5.29% | 104 | -4.59% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| State Street® SPDR® S&P® Biotech ETF | 3.46M | 3.52% | -34.27K |
| Vanguard US Total Market Shares ETF | 2.81M | 3.04% | 92.60K |
| Vanguard Total Stock Mkt Idx Inv | 2.95M | 3.00% | 13.04K |
| Vanguard Small Cap Index | 2.11M | 2.15% | -8.54K |
| Sands Capital Select Growth TE Inst EQ | 1.94M | 1.97% | -147.38K |
| Vanguard Explorer Inv | 1.72M | 1.75% | 189.69K |
| JPMorgan Mid Cap Growth I | 1.59M | 1.65% | -10.19K |
| JPM US Mid Cap Growth-Composite | 1.59M | 1.65% | -37.19K |
| Hartford MidCap Y | 1.28M | 1.39% | -24.56K |
| DWS Vermögensbildungsfonds I LD | 1.18M | 1.22% | 4.00 |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jun 01, 2026 | Horn Howard | Chief Financial Officer | Sell | $110.60K |
| May 18, 2026 | SULIMAN SHEHNAAZ | - | Sell | $144.19K |
| May 05, 2026 | Crombez Eric | EVP and Chief Medical Officer | Sell | $8.59K |
| May 01, 2026 | Horn Howard | Chief Financial Officer | Sell | $116.61K |
| Apr 01, 2026 | Horn Howard | Chief Financial Officer | Sell | $98.20K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 5 |
| 2026 Q1 | - | 13 |
| 2025 Q4 | - | 3 |
| 2025 Q3 | - | 3 |
| 2025 Q2 | - | 3 |
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