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 |
|---|---|---|---|---|---|
| Fifth Third Bancorp | 110,272 | $2.31M | 0.00% | +110,272 | New |
| Walleye Capital LLC | 119,705 | $2.51M | 0.02% | +83,221+228.1% | Added |
| Capital Fund Management S.A. | 121,374 | $2.54M | 0.02% | −28,827−19.2% | Reduced |
| B Group, Inc. | 135,000 | $2.83M | 2.10% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 136,544 | $2.86M | 0.00% | +136,544 | New |
| Sr One Capital Management, LP | 137,753 | $2.89M | 0.32% | 00.0% | Unchanged |
| Group One Trading, L.P. | 140,166 | $2.94M | 0.10% | +116,958+504.0% | Added |
| Boothbay Fund Management, LLC | 141,978 | $2.97M | 0.07% | +141,978 | New |
| Worldquant Millennium Advisors LLC | 150,587 | $3.15M | 0.01% | +53,679+55.4% | Added |
| Moore Capital Management, LP | 157,132 | $3.29M | 0.12% | −42,868−21.4% | Reduced |
| Marshall Wace, LLP | 157,526 | $3.30M | 0.00% | +85,358+118.3% | Added |
| Schroder Investment Management Group | 179,097 | $3.46M | 0.00% | +3,462+2.0% | Added |
| Rafferty Asset Management, LLC | 165,431 | $3.47M | 0.01% | +8,370+5.3% | Added |
| Swiss National Bank | 171,052 | $3.58M | 0.00% | 00.0% | Unchanged |
| Woodline Partners LP | 171,805 | $3.60M | 0.01% | 00.0% | Unchanged |
| Jane Street Group, LLC | 173,743 | $3.64M | 0.00% | −847,756−83.0% | Reduced |
| Ishara Investments LP | 174,250 | $3.65M | 3.69% | +124,250+248.5% | Added |
| Nomura Asset Management International Inc. | 181,773 | $3.81M | 0.01% | −1,035−0.6% | Reduced |
| Quantinno Capital Management LP | 187,508 | $3.93M | 0.01% | +137,758+276.9% | Added |
| Man Group plc | 213,352 | $4.47M | 0.01% | +134,981+172.2% | Added |
| Brevan Howard Capital Management LP | 215,845 | $4.52M | 0.05% | +107,942+100.0% | Added |
| Y-Intercept (Hong Kong) Ltd | 218,354 | $4.57M | 0.09% | +218,354 | New |
| Kennedy Capital Management, Inc. | 219,291 | $4.59M | 0.10% | +219,291 | New |
| Motley Fool Wealth Management, LLC | 222,981 | $4.67M | 0.53% | −74,505−25.0% | Reduced |
| UBS Asset Management Americas Inc | 223,048 | $4.67M | 0.00% | +18,941+9.3% | Added |
| JPMorgan Chase & Co | 245,928 | $4.75M | 0.00% | −3,728,102−93.8% | Reduced |
| Longaeva Partners L.P. | 228,107 | $4.78M | 0.23% | +228,107 | New |
| Parkman Healthcare Partners LLC | 235,000 | $4.92M | 0.51% | +172,970+278.8% | Added |
| Barclays PLC | 249,807 | $5.23M | 0.00% | −109,341−30.4% | Reduced |
| Massachusetts Financial Services Co | 260,385 | $5.46M | 0.00% | −49,723−16.0% | Reduced |
| FMR LLC | 287,316 | $6.02M | 0.00% | −2,378,933−89.2% | Reduced |
| GordonMD Global Investments LP | 289,101 | $6.06M | 4.99% | −40,000−12.2% | Reduced |
| Invesco Ltd. | 289,572 | $6.07M | 0.00% | +59,301+25.8% | Added |
| Fred Alger Management, LLC | 298,032 | $6.24M | 0.03% | −113,831−27.6% | Reduced |
| Blue Owl Capital Holdings LP | 302,638 | $6.34M | 1.70% | +90,000+42.3% | Added |
| Franklin Resources Inc | 312,628 | $6.55M | 0.00% | +3,566+1.2% | Added |
| Citigroup Inc | 315,440 | $6.61M | 0.00% | +245,929+353.8% | Added |
| Bank of New York Mellon Corp | 341,125 | $7.15M | 0.00% | +42,419+14.2% | Added |
| SummitTX Capital, L.P. | 347,760 | $7.29M | 0.23% | +347,760 | New |
| Goldman Sachs Group Inc | 353,097 | $7.40M | 0.00% | −47,261−11.8% | Reduced |
| Privium Fund Management B.V. | 364,802 | $7.64M | 1.59% | +7,300+2.0% | Added |
| Balyasny Asset Management LLC | 384,364 | $8.05M | 0.02% | −135,690−26.1% | Reduced |
| Trexquant Investment LP | 389,467 | $8.16M | 0.06% | +224,450+136.0% | Added |
| Krensavage Asset Management, LLC | 390,879 | $8.19M | 3.20% | +241,245+161.2% | Added |
| Newtyn Management, LLC | 400,000 | $8.38M | 0.90% | +104,085+35.2% | Added |
| Russell Investments Group, Ltd. | 402,959 | $8.44M | 0.01% | −437,861−52.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 418,149 | $8.76M | 0.01% | −1,481,512−78.0% | Reduced |
| Algert Global LLC | 428,529 | $8.98M | 0.14% | +209,297+95.5% | Added |
| Squarepoint Ops LLC | 444,539 | $9.31M | 0.02% | +53,940+13.8% | Added |
| Manufacturers Life Insurance Company, The | 451,119 | $9.45M | 0.01% | +119,950+36.2% | Added |
| Adage Capital Partners GP, L.L.C. | 480,000 | $10.1M | 0.02% | +200,000+71.4% | Added |
| Ikarian Capital, LLC | 482,571 | $10.1M | 1.45% | +469,900+3,708.5% | Added |
| BNP Paribas Arbitrage, SA | 490,783 | $10.3M | 0.01% | −412,267−45.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 494,737 | $10.4M | 0.08% | −246,881−33.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 500,922 | $10.5M | 0.02% | +237,053+89.8% | Added |
| Jump Financial, LLC | 504,143 | $10.6M | 0.16% | +388,215+334.9% | Added |
| Susquehanna International Group, LLP | 524,798 | $11.0M | 0.01% | +372,482+244.5% | Added |
| Northern Trust Corp | 535,566 | $11.2M | 0.00% | +8,880+1.7% | Added |
| Pictet Asset Management Holding SA | 603,571 | $11.7M | 0.01% | −627,760−51.0% | Reduced |
| Charles Schwab Investment Management Inc | 558,486 | $11.7M | 0.00% | −40,438−6.8% | Reduced |
| Renaissance Technologies LLC | 561,700 | $11.8M | 0.02% | +195,600+53.4% | Added |
| Legal & General Group Plc | 590,294 | $12.4M | 0.00% | +179,021+43.5% | Added |
| Palo Alto Investors LP | 596,495 | $12.5M | 1.91% | +135,201+29.3% | Added |
| Vanguard Fiduciary Trust Co | 608,219 | $12.7M | 0.00% | +608,219 | New |
| HRT Financial LP | 613,229 | $12.8M | 0.03% | +111,550+22.2% | Added |
| Nuveen, LLC | 662,054 | $13.9M | 0.00% | −139,419−17.4% | Reduced |
| Price T Rowe Associates Inc | 804,109 | $16.8M | 0.00% | −750,257−48.3% | Reduced |
| Sphera Funds Management Ltd. | 809,333 | $17.0M | 2.92% | +508,710+169.2% | Added |
| UBS Group AG | 832,740 | $17.4M | 0.00% | +163,929+24.5% | Added |
| Catalio Capital Management, LP | 850,797 | $17.8M | 3.72% | +688,247+423.4% | Added |
| Eagle Health Investments LP | 884,121 | $18.5M | 3.89% | +884,121 | New |
| Point72 Asset Management, L.P. | 893,295 | $18.7M | 0.03% | +893,295 | New |
| Qube Research & Technologies Ltd | 914,760 | $19.2M | 0.03% | +914,760 | New |
| Bank of America Corp | 1,046,546 | $21.9M | 0.00% | −167,382−13.8% | Reduced |
| Candriam Luxembourg S.C.A. | 1,096,182 | $23.0M | 0.12% | +296,798+37.1% | Added |
| Jones Hill Capital LP | 1,165,557 | $24.4M | 5.23% | +1,165,557 | New |
| Rock Springs Capital Management LP | 1,218,773 | $25.5M | 1.50% | −48,468−3.8% | Reduced |
| D. E. Shaw & Co., Inc. | 1,261,018 | $26.4M | 0.02% | +916,255+265.8% | Added |
| Voloridge Investment Management, LLC | 1,426,834 | $29.9M | 0.12% | +783,478+121.8% | Added |
| Jacobs Levy Equity Management, Inc | 1,431,071 | $30.0M | 0.13% | −318,197−18.2% | Reduced |
| Morgan Stanley | 1,500,528 | $31.4M | 0.00% | −325,767−17.8% | Reduced |
| GW&K Investment Management, LLC | 1,615,426 | $33.8M | 0.30% | +240,019+17.5% | Added |
| Millennium Management LLC | 1,772,184 | $37.1M | 0.03% | +891,540+101.2% | Added |
| Geode Capital Management, LLC | 1,849,391 | $38.8M | 0.00% | +11,183+0.6% | Added |
| Citadel Advisors LLC | 2,115,491 | $44.3M | 0.03% | −210,634−9.1% | Reduced |
| Frontier Capital Management Co LLC | 2,191,182 | $45.9M | 0.47% | +226,098+11.5% | Added |
| Two Sigma Investments, LP | 2,205,820 | $46.2M | 0.04% | +1,781,771+420.2% | Added |
| Assenagon Asset Management S.A. | 2,257,671 | $47.3M | 0.08% | +2,057,951+1,030.4% | Added |
| Bellevue Group AG | 2,380,000 | $49.9M | 1.19% | +2,377,420+92,148.1% | Added |
| Wellington Management Group LLP | 2,640,812 | $55.3M | 0.01% | +178,902+7.3% | Added |
| Sofinnova Investments, Inc. | 3,145,888 | $65.9M | 3.30% | +3,062,588+3,676.6% | Added |
| Sands Capital Management, LLC | 3,214,533 | $67.3M | 0.26% | −271,191−7.8% | Reduced |
| RTW Investments, LP | 3,648,795 | $76.4M | 0.76% | +648,656+21.6% | Added |
| Vanguard Capital Management LLC | 4,189,831 | $87.8M | 0.00% | +4,189,831 | New |
| AQR Capital Management LLC | 4,578,024 | $95.9M | 0.04% | +3,217,527+236.5% | Added |
| State Street Corp | 5,021,441 | $105.2M | 0.00% | +718,395+16.7% | Added |
| Vanguard Portfolio Management LLC | 5,385,992 | $112.8M | 0.01% | +5,385,992 | New |
| BlackRock, Inc. | 7,299,598 | $152.9M | 0.00% | +668,044+10.1% | Added |
| Baker Bros. Advisors LP | 0 | $0 | 0.00% | −2,772,692−100.0% | Sold out |
| Suvretta Capital Management, LLC | 0 | $0 | 0.00% | −2,019,000−100.0% | Sold out |