Ultragenyx Pharmaceutical Inc.
RARE institutional ownership changes in Q2 2026: 84 institutions opened or added positions, 78 trimmed or exited. RARE (Ultragenyx Pharmaceutical Inc.) is held by 156 institutional investors as of Q2 2026. Top institutional shareholders: BlackRock, Inc. ($355.7M), RTW Investments, LP ($260.3M), Vanguard Portfolio Management LLC ($226.7M). Institutions were buying, on balance.
Who's Trading
Latest move
Source dates: Price Nov 6, 2026 · Insiders Oct 19, 2026 · Activists Oct 30, 2026 · Congress Oct 12, 2026
Top Holders
| Action | ||||||
|---|---|---|---|---|---|---|
Increased | 10.7M(+46.0%) | $355.7M | 0.0% | -65.21% | 42 | |
Increased | 7.8M(+113.7%) | $260.3M | 2.2% | -56.78% | 85 | |
Increased | 6.8M(+26.1%) | $226.7M | 0.0% | -34.40% | 38 | |
Increased | 6.6M(+43.3%) | $214.1M | 0.1% | -41.64% | 41 | |
Increased | 6.2M(+22.6%) | $205.6M | 0.0% | -59.24% | 37 | |
Increased | 4.3M(+2.5%) | $143.5M | 0.0% | -27.42% | 31 | |
Increased | 3.6M(+64.2%) | $120.9M | 0.1% | -45.40% | 44 | |
Decreased | 3.2M(-1.8%) | $105.5M | 0.4% | -65.85% | 0 | |
Increased | 2.9M(+105.4%) | $98.2M | 0.4% | -52.09% | 58 | |
Increased | 2.8M(+30.0%) | $95.1M | 0.9% | -46.88% | 53 | |
Increased | 2.6M(+39.4%) | $86.1M | 0.0% | -27.71% | 39 | |
Increased | 1.7M(+37.2%) | $57.8M | 0.0% | -43.07% | 39 | |
Increased | 1.6M(+229.2%) | $52.8M | 0.1% | -53.63% | 47 | |
Increased | 1.4M(+68.7%) | $45.3M | 0.0% | -69.71% | 43 | |
Decreased | 1.3M(-11.7%) | $44.2M | 0.0% | -49.15% | 0 | |
Decreased | 1.3M(-52.6%) | $41.8M | 0.0% | -70.51% | 0 | |
Decreased | 1.2M(-13.0%) | $41.5M | 0.2% | -36.42% | 0 | |
Increased | 1.1M(+9.7%) | $38.3M | 0.0% | -54.70% | 32 | |
Decreased | 1M(-8.6%) | $33.4M | 0.2% | -59.16% | 0 | |
Increased | 929,626(+5902.2%) | $31M | 0.2% | +0.52% | 56 |
Showing 1-20 of 173
| Insider | Trade | Traded |
|---|---|---|
| Horn Howard | Sell $108K | |
| Huizenga Theodore Alan | Sell $17K | |
| Huizenga Theodore Alan | Sell $2K | |
| Parschauer Karah Herdman | Sell $47K | |
| Horn Howard | Sell $117K | |
| Horn Howard | Sell $156K | |
| Parschauer Karah Herdman | Sell $47K | |
| Sanders Corazon (Corsee) D. | Sell $50K | |
| Horn Howard | Sell $111K | |
| SULIMAN SHEHNAAZ | Sell $144K |
| Member | Trade | Traded |
|---|---|---|
| Gilbert Cisneros | Buy $1,001 - $15,000 | |
| Gilbert Cisneros | Buy $1,001 - $15,000 | |
| Gilbert Cisneros | Buy $1,001 - $15,000 | |
| Gilbert Cisneros | Buy $1,001 - $15,000 | |
| Gilbert Cisneros | Buy $1,001 - $15,000 |
| Filer | Stake | Filed |
|---|---|---|
| Vanguard Portfolio Management | 8.6% | |
| Madison Avenue International LP | 6.4% | |
| RTW Investments, LP | 7.9% | |
| AQR Capital Management, LLC | 6.7% | |
| STATE STREET CORPORATION | 6.3% | |
| Vanguard Portfolio Management | 7.0% | |
| Vanguard Capital Management | 5.1% | |
| BlackRock, Inc. | 8.3% | |
| STATE STREET CORPORATION | 5.1% | |
| Vanguard Portfolio Management | 5.5% |
RAREUltragenyx Pharmaceutical Inc.Continue exploring
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ABTAbbott LaboratoriesQuestions investors ask about RARE
Who owns RARE?
156 institutional investors held RARE on June 30, 2026, led by BlackRock, Inc. ($355.7M), RTW Investments, LP ($260.3M) and Vanguard Portfolio Management LLC ($226.7M).
How many hedge funds hold RARE?
156 institutional investors reported RARE in their 13F filings for the quarter ended June 30, 2026, $3B in all. 7 of them are rated Elite.
Are institutions buying or selling RARE?
Buying, on balance. In Q2 2026, 84 institutions opened or added to positions in RARE and 78 institutions trimmed or exited.
Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer