Ultragenyx Pharmaceutical Inc.
RARE- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001515673
In the last 90 days, Ultragenyx Pharmaceutical Inc. insiders filed 0 open-market purchases and 5 sales; 311 institutions reported holding it in 13F filings for Q2 2026, worth $3.55B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Ultragenyx Pharmaceutical Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 298
- +15 vs. Q4 2025
- Shares held
- 98.2M
- +15.9M (+19.3%) vs. Q4 2025
- Total value
- $2.05B
- +$160.4M (+8.5%) vs. Q4 2025
- New holders
- 63
- 126 more added
- Sold out
- 48
- 83 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting RARE on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 311 | $3.55B |
| Q1 2026 | 298 | $2.05B |
| Q4 2025 | 288 | $2.16B |
| Q3 2025 | 303 | $2.87B |
| Q2 2025 | 311 | $3.42B |
| Q1 2025 | 301 | $3.25B |
| Q4 2024 | 314 | $3.68B |
| Q3 2024 | 302 | $4.83B |
| Q2 2024 | 275 | $3.63B |
| Q1 2024 | 270 | $3.73B |
| Q4 2023 | 237 | $3.84B |
| Q3 2023 | 221 | $2.52B |
| Q2 2023 | 243 | $3.21B |
| Q1 2023 | 230 | $2.76B |
| Q4 2022 | 228 | $3.15B |
| Q3 2022 | 233 | $2.81B |
| Q2 2022 | 225 | $4.03B |
| Q1 2022 | 240 | $4.87B |
| Q4 2021 | 235 | $5.69B |
| Q3 2021 | 223 | $6.01B |
| Q2 2021 | 242 | $6.24B |
| Q1 2021 | 255 | $7.73B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Ultragenyx Pharmaceutical Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7,299,598 | $152.9M | 0.00% | +668,044+10.1% | Added |
| Vanguard Portfolio Management LLC | 5,385,992 | $112.8M | 0.01% | +5,385,992 | New |
| State Street Corp | 5,021,441 | $105.2M | 0.00% | +718,395+16.7% | Added |
| AQR Capital Management LLC | 4,578,024 | $95.9M | 0.04% | +3,217,527+236.5% | Added |
| Vanguard Capital Management LLC | 4,189,831 | $87.8M | 0.00% | +4,189,831 | New |
| RTW Investments, LP | 3,648,795 | $76.4M | 0.76% | +648,656+21.6% | Added |
| Sands Capital Management, LLC | 3,214,533 | $67.3M | 0.26% | −271,191−7.8% | Reduced |
| Sofinnova Investments, Inc. | 3,145,888 | $65.9M | 3.30% | +3,062,588+3,676.6% | Added |
| Wellington Management Group LLP | 2,640,812 | $55.3M | 0.01% | +178,902+7.3% | Added |
| Bellevue Group AG | 2,380,000 | $49.9M | 1.19% | +2,377,420+92,148.1% | Added |
| Assenagon Asset Management S.A. | 2,257,671 | $47.3M | 0.08% | +2,057,951+1,030.4% | Added |
| Two Sigma Investments, LP | 2,205,820 | $46.2M | 0.04% | +1,781,771+420.2% | Added |
| Frontier Capital Management Co LLC | 2,191,182 | $45.9M | 0.47% | +226,098+11.5% | Added |
| Citadel Advisors LLC | 2,115,491 | $44.3M | 0.03% | −210,634−9.1% | Reduced |
| Geode Capital Management, LLC | 1,849,391 | $38.8M | 0.00% | +11,183+0.6% | Added |
| Millennium Management LLC | 1,772,184 | $37.1M | 0.03% | +891,540+101.2% | Added |
| GW&K Investment Management, LLC | 1,615,426 | $33.8M | 0.30% | +240,019+17.5% | Added |
| Morgan Stanley | 1,500,528 | $31.4M | 0.00% | −325,767−17.8% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,431,071 | $30.0M | 0.13% | −318,197−18.2% | Reduced |
| Voloridge Investment Management, LLC | 1,426,834 | $29.9M | 0.12% | +783,478+121.8% | Added |
| D. E. Shaw & Co., Inc. | 1,261,018 | $26.4M | 0.02% | +916,255+265.8% | Added |
| Rock Springs Capital Management LP | 1,218,773 | $25.5M | 1.50% | −48,468−3.8% | Reduced |
| Jones Hill Capital LP | 1,165,557 | $24.4M | 5.23% | +1,165,557 | New |
| Candriam Luxembourg S.C.A. | 1,096,182 | $23.0M | 0.12% | +296,798+37.1% | Added |
| Bank of America Corp | 1,046,546 | $21.9M | 0.00% | −167,382−13.8% | Reduced |
| Qube Research & Technologies Ltd | 914,760 | $19.2M | 0.03% | +914,760 | New |
| Point72 Asset Management, L.P. | 893,295 | $18.7M | 0.03% | +893,295 | New |
| Eagle Health Investments LP | 884,121 | $18.5M | 3.89% | +884,121 | New |
| Catalio Capital Management, LP | 850,797 | $17.8M | 3.72% | +688,247+423.4% | Added |
| UBS Group AG | 832,740 | $17.4M | 0.00% | +163,929+24.5% | Added |
| Sphera Funds Management Ltd. | 809,333 | $17.0M | 2.92% | +508,710+169.2% | Added |
| Price T Rowe Associates Inc | 804,109 | $16.8M | 0.00% | −750,257−48.3% | Reduced |
| Nuveen, LLC | 662,054 | $13.9M | 0.00% | −139,419−17.4% | Reduced |
| HRT Financial LP | 613,229 | $12.8M | 0.03% | +111,550+22.2% | Added |
| Vanguard Fiduciary Trust Co | 608,219 | $12.7M | 0.00% | +608,219 | New |
| Palo Alto Investors LP | 596,495 | $12.5M | 1.91% | +135,201+29.3% | Added |
| Legal & General Group Plc | 590,294 | $12.4M | 0.00% | +179,021+43.5% | Added |
| Renaissance Technologies LLC | 561,700 | $11.8M | 0.02% | +195,600+53.4% | Added |
| Charles Schwab Investment Management Inc | 558,486 | $11.7M | 0.00% | −40,438−6.8% | Reduced |
| Pictet Asset Management Holding SA | 603,571 | $11.7M | 0.01% | −627,760−51.0% | Reduced |
| Northern Trust Corp | 535,566 | $11.2M | 0.00% | +8,880+1.7% | Added |
| Susquehanna International Group, LLP | 524,798 | $11.0M | 0.01% | +372,482+244.5% | Added |
| Jump Financial, LLC | 504,143 | $10.6M | 0.16% | +388,215+334.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 500,922 | $10.5M | 0.02% | +237,053+89.8% | Added |
| Schonfeld Strategic Advisors LLC | 494,737 | $10.4M | 0.08% | −246,881−33.3% | Reduced |
| BNP Paribas Arbitrage, SA | 490,783 | $10.3M | 0.01% | −412,267−45.7% | Reduced |
| Ikarian Capital, LLC | 482,571 | $10.1M | 1.45% | +469,900+3,708.5% | Added |
| Adage Capital Partners GP, L.L.C. | 480,000 | $10.1M | 0.02% | +200,000+71.4% | Added |
| Manufacturers Life Insurance Company, The | 451,119 | $9.45M | 0.01% | +119,950+36.2% | Added |
| Squarepoint Ops LLC | 444,539 | $9.31M | 0.02% | +53,940+13.8% | Added |
| Algert Global LLC | 428,529 | $8.98M | 0.14% | +209,297+95.5% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 418,149 | $8.76M | 0.01% | −1,481,512−78.0% | Reduced |
| Russell Investments Group, Ltd. | 402,959 | $8.44M | 0.01% | −437,861−52.1% | Reduced |
| Newtyn Management, LLC | 400,000 | $8.38M | 0.90% | +104,085+35.2% | Added |
| Krensavage Asset Management, LLC | 390,879 | $8.19M | 3.20% | +241,245+161.2% | Added |
| Trexquant Investment LP | 389,467 | $8.16M | 0.06% | +224,450+136.0% | Added |
| Balyasny Asset Management LLC | 384,364 | $8.05M | 0.02% | −135,690−26.1% | Reduced |
| Privium Fund Management B.V. | 364,802 | $7.64M | 1.59% | +7,300+2.0% | Added |
| Goldman Sachs Group Inc | 353,097 | $7.40M | 0.00% | −47,261−11.8% | Reduced |
| SummitTX Capital, L.P. | 347,760 | $7.29M | 0.23% | +347,760 | New |
| Bank of New York Mellon Corp | 341,125 | $7.15M | 0.00% | +42,419+14.2% | Added |
| Citigroup Inc | 315,440 | $6.61M | 0.00% | +245,929+353.8% | Added |
| Franklin Resources Inc | 312,628 | $6.55M | 0.00% | +3,566+1.2% | Added |
| Blue Owl Capital Holdings LP | 302,638 | $6.34M | 1.70% | +90,000+42.3% | Added |
| Fred Alger Management, LLC | 298,032 | $6.24M | 0.03% | −113,831−27.6% | Reduced |
| Invesco Ltd. | 289,572 | $6.07M | 0.00% | +59,301+25.8% | Added |
| GordonMD Global Investments LP | 289,101 | $6.06M | 4.99% | −40,000−12.2% | Reduced |
| FMR LLC | 287,316 | $6.02M | 0.00% | −2,378,933−89.2% | Reduced |
| Massachusetts Financial Services Co | 260,385 | $5.46M | 0.00% | −49,723−16.0% | Reduced |
| Barclays PLC | 249,807 | $5.23M | 0.00% | −109,341−30.4% | Reduced |
| Parkman Healthcare Partners LLC | 235,000 | $4.92M | 0.51% | +172,970+278.8% | Added |
| Longaeva Partners L.P. | 228,107 | $4.78M | 0.23% | +228,107 | New |
| JPMorgan Chase & Co | 245,928 | $4.75M | 0.00% | −3,728,102−93.8% | Reduced |
| UBS Asset Management Americas Inc | 223,048 | $4.67M | 0.00% | +18,941+9.3% | Added |
| Motley Fool Wealth Management, LLC | 222,981 | $4.67M | 0.53% | −74,505−25.0% | Reduced |
| Kennedy Capital Management, Inc. | 219,291 | $4.59M | 0.10% | +219,291 | New |
| Y-Intercept (Hong Kong) Ltd | 218,354 | $4.57M | 0.09% | +218,354 | New |
| Brevan Howard Capital Management LP | 215,845 | $4.52M | 0.05% | +107,942+100.0% | Added |
| Man Group plc | 213,352 | $4.47M | 0.01% | +134,981+172.2% | Added |
| Quantinno Capital Management LP | 187,508 | $3.93M | 0.01% | +137,758+276.9% | Added |
| Nomura Asset Management International Inc. | 181,773 | $3.81M | 0.01% | −1,035−0.6% | Reduced |
| Ishara Investments LP | 174,250 | $3.65M | 3.69% | +124,250+248.5% | Added |
| Jane Street Group, LLC | 173,743 | $3.64M | 0.00% | −847,756−83.0% | Reduced |
| Woodline Partners LP | 171,805 | $3.60M | 0.01% | 00.0% | Unchanged |
| Swiss National Bank | 171,052 | $3.58M | 0.00% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 165,431 | $3.47M | 0.01% | +8,370+5.3% | Added |
| Schroder Investment Management Group | 179,097 | $3.46M | 0.00% | +3,462+2.0% | Added |
| Marshall Wace, LLP | 157,526 | $3.30M | 0.00% | +85,358+118.3% | Added |
| Moore Capital Management, LP | 157,132 | $3.29M | 0.12% | −42,868−21.4% | Reduced |
| Worldquant Millennium Advisors LLC | 150,587 | $3.15M | 0.01% | +53,679+55.4% | Added |
| Boothbay Fund Management, LLC | 141,978 | $2.97M | 0.07% | +141,978 | New |
| Group One Trading, L.P. | 140,166 | $2.94M | 0.10% | +116,958+504.0% | Added |
| Sr One Capital Management, LP | 137,753 | $2.89M | 0.32% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 136,544 | $2.86M | 0.00% | +136,544 | New |
| B Group, Inc. | 135,000 | $2.83M | 2.10% | 00.0% | Unchanged |
| Capital Fund Management S.A. | 121,374 | $2.54M | 0.02% | −28,827−19.2% | Reduced |
| Walleye Capital LLC | 119,705 | $2.51M | 0.02% | +83,221+228.1% | Added |
| Fifth Third Bancorp | 110,272 | $2.31M | 0.00% | +110,272 | New |
| Caption Management, LLC | 110,000 | $2.30M | 0.11% | −109,500−49.9% | Reduced |
| Entropy Technologies, LP | 109,727 | $2.30M | 0.11% | +49,086+80.9% | Added |