Ultragenyx Pharmaceutical Ownership | Who Owns Ultragenyx Pharmaceutical?
Ultragenyx Pharmaceutical Ownership Summary
Ultragenyx Pharmaceutical is owned by 57.67% institutional investors, 3.13% insiders, and 39.20% 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 3.16% of its assets in Ultragenyx Pharmaceutical shares.
RARE Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Ultragenyx Pharmaceutical | 57.67% | 3.13% | 39.20% |
| Sector | Healthcare Stocks | 232.86% | 10.65% | -143.51% |
| Industry | Biotech Stocks | 382.13% | 10.41% | -292.54% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 10.26M | 10.29% | $236.07M |
| Fmr | 7.28M | 7.40% | $219.08M |
| Blackrock | 5.60M | 6.65% | $230.30M |
| Blackrock funding, inc. /de | 6.63M | 6.65% | $152.53M |
| Jpmorgan chase | 3.97M | 3.98% | $91.40M |
| Sands capital management | 3.77M | 3.83% | $113.40M |
| State street | 3.69M | 3.75% | $111.07M |
| Rtw investments, lp | 3.26M | 3.31% | $98.01M |
| Baker bros. advisors lp | 2.77M | 2.82% | $83.40M |
| Price t rowe associates inc /md/ | 2.31M | 2.35% | $69.49M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Cutter capital management, lp | 406.80K | 7.01% | $17.11M |
| B group | 135.00K | 2.99% | $4.06M |
| Sphera funds management | 352.56K | 2.24% | $10.60M |
| Rock springs capital management lp | 1.25M | 2.19% | $37.49M |
| Palo alto investors lp | 369.53K | 2.06% | $11.12M |
| Bioimpact capital | 395.70K | 1.95% | $11.90M |
| Catalio capital management, lp | 291.26K | 1.62% | $8.76M |
| Suvretta capital management | 2.02M | 1.55% | $60.73M |
| Privium fund management b.v. | 357.50K | 1.51% | $8.22M |
| Rtw investments, lp | 3.26M | 1.21% | $98.01M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 7.28M | 0.01% | 4.68M |
| Assenagon asset management | 2.26M | 0.07% | 2.06M |
| Rtw investments, lp | 3.26M | 1.21% | 1.55M |
| Norges bank | 1.26M | 0.00% | 1.26M |
| State street | 3.69M | 0.00% | 1.12M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Alkeon capital management | - | - | -1.69M |
| Deep track capital, lp | - | - | -1.35M |
| Alliancebernstein | 26.71K | 0.00% | -1.23M |
| Adage capital partners gp | 430.00K | 0.02% | -1.10M |
| Frazier life sciences management | - | - | -983.72K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 1.26M | 0.00% | 1.26M | $29.00M |
| Braidwell lp | 588.70K | 0.53% | 588.70K | $17.71M |
| Voloridge investment management | 482.58K | 0.05% | 482.58K | $14.52M |
| Jefferies financial group | 477.09K | 0.06% | 477.09K | $10.97M |
| Axa investment managers | 417.20K | 0.03% | 417.20K | $12.55M |
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 % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Dec 31, 2024 | 195 | -38.87% | 51,382,783 | -40.24% | 53 | 0.66% | 96 | -43.86% | 71 | -24.47% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| State Street® SPDR® S&P® Biotech ETF | 3.11M | 3.16% | 46.80K |
| Vanguard US Total Market Shares ETF | 2.81M | 3.04% | 92.60K |
| Vanguard Total Stock Mkt Idx Inv | 2.94M | 2.99% | 25.59K |
| Sands Capital Select Growth TE Inst EQ | 2.09M | 2.16% | -223.04K |
| Vanguard Small Cap Index | 2.12M | 2.16% | 43.09K |
| JPMorgan Mid Cap Growth I | 1.59M | 1.65% | -10.19K |
| JPM US Mid Cap Growth-Composite | 1.59M | 1.65% | -37.19K |
| Vanguard Explorer Inv | 1.53M | 1.58% | 240.90K |
| 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 |
|---|---|---|---|---|
| Apr 01, 2026 | Horn Howard | Chief Financial Officer | Sell | $98.20K |
| Mar 06, 2026 | Parschauer Karah Herdman | EVP and Chief Legal Officer | Sell | $128.79K |
| Mar 10, 2026 | Parschauer Karah Herdman | EVP and Chief Legal Officer | Sell | $79.53K |
| Mar 02, 2026 | Pinion John Richard | See Remarks | Sell | $228.66K |
| Mar 02, 2026 | Harris Erik | EVP & Chief Commercial Officer | Sell | $240.29K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 1 |
| 2026 Q1 | - | 13 |
| 2025 Q4 | - | 3 |
| 2025 Q3 | - | 3 |
| 2025 Q2 | - | 3 |
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