ULTRAGENYX PHARMACEUTICAL IN RARE
COM · Common Stock · CUSIP 90400D108 · ISIN US90400D1081
Biopharmaceutical company based in Novato, California, United States
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersNovato, CA
- Websiteultragenyx.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($10.9m this quarter). Holder counts are more reliable. Shares outstanding: 71.5m as of 2023-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $46.12. Options: 12 managers hold calls ($14.7m notional), 10 hold puts ($14.9m).
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 233 |
| Q4 2022 | 228 |
| Q1 2023 | 230 |
| Q2 2023 | 243 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 135 | 100 |
| Q1 2023 | 120 | 99 |
| Q2 2023 | 129 | 110 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $17.6m | $16.1m | 0.91 |
| Q4 2022 | $18.3m | $16.0m | 0.87 |
| Q1 2023 | $9.2m | $10.4m | 1.13 |
| Q2 2023 | $14.7m | $14.9m | 1.01 |
Biggest buyers
| SANDS CAPITAL MANAGEMENT, LLC | New | +2.7m |
| RTW INVESTMENTS, LP | Added | +1.1m |
| First Light Asset Management, LLC | Added | +354.2k |
| Driehaus Capital Management LLC | New | +329.7k |
| BAKER BROS. ADVISORS LP | Added | +312.1k |
| Invesco Ltd. | Added | +308.7k |
| VANGUARD GROUP INC | Added | +265.2k |
| PICTET ASSET MANAGEMENT SA | Added | +248.9k |
| Woodline Partners LP | New | +236.6k |
| GW&K Investment Management, LLC | Added | +223.2k |
Biggest sellers
| Avidity Partners Management LP | Reduced | -1.2m |
| FMR LLC | Reduced | -1.2m |
| Point72 Asset Management, L.P. | Reduced | -962.0k |
| FEDERATED HERMES, INC. | Reduced | -749.0k |
| MACQUARIE GROUP LTD | Reduced | -735.5k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -706.4k |
| Hudson Bay Capital Management LP | Reduced | -495.1k |
| NOMURA HOLDINGS INC | Sold out | -329.2k |
| Capital International Investors | Reduced | -327.2k |
| CITADEL ADVISORS LLC | Reduced | -281.1k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $4.4m95.7k shares |
| Caption Management, LLC | Added | $4.2m90.0k shares |
| SIMPLEX TRADING, LLC | Added | $1.8m39.1k shares |
| CITIGROUP INC | Reduced | $1.4m29.9k shares |
| JANE STREET GROUP, LLC | Reduced | $1.3m27.2k shares |
| MILLENNIUM MANAGEMENT LLC | New | $692.0k15.0k shares |
| WOLVERINE TRADING, LLC | Reduced | $405.9k8.7k shares |
| GROUP ONE TRADING LLC | New | $216.8k4.7k shares |
| CITADEL ADVISORS LLC | Added | $216.8k4.7k shares |
| Walleye Trading LLC | New | $138.4k3.0k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $7.3m157.7k shares |
| Caption Management, LLC | Added | $4.2m90.0k shares |
| CITIGROUP INC | Reduced | $1.4m29.9k shares |
| JANE STREET GROUP, LLC | Reduced | $913.4k19.8k shares |
| CITADEL ADVISORS LLC | Reduced | $396.7k8.6k shares |
| WOLVERINE TRADING, LLC | Added | $340.5k7.3k shares |
| SIMPLEX TRADING, LLC | Added | $170.0k3.7k shares |
| GROUP ONE TRADING LLC | Reduced | $147.6k3.2k shares |
| Walleye Trading LLC | New | $138.4k3.0k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution +3.2 pts · filed 2026-07-30 | 8.3% |
| RTW INVESTMENTS, LP 13G · institution new · filed 2026-08-14 | 7.9% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution +1.5 pts · filed 2026-07-31 | 7.0% |
| AQR CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-08-13 | 6.7% |
| Madison Avenue Partners, LP 13G · passive investor new · filed 2026-10-20 | 6.4% |
| STATE STREET CORP 13G · institution +1.2 pts · filed 2026-08-07 | 6.3% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-07-31 | 5.1% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), FMR LLC (3.5%, 2026-02-05)
Insider purchases and sales in Q2 2023
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 8 | $695.0k | — |
| Q1 2022 | 0 | — | 8 | $2.5m | — |
| Q2 2022 | 0 | — | 2 | $27.3k | — |
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 0 | — | 3 | $1.2m | — |
| Q1 2023 | 0 | — | 7 | $793.5k | — |
| Q2 2023 | 0 | — | 4 | $416.4k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2023-06-30 | Sanders Corazon (Corsee) D. Director | Sold | $27.4k585 shares |
| 2023-06-19 | Harris Erik EVP & Chief Commercial Officer | Sold | $14.7k305 shares |
| 2023-06-08 | Sanders Corazon (Corsee) D. Director | Sold | $76.7k1.5k shares |
| 2023-05-18 | Pinion John Richard Officer | Sold | $100.6k2.0k shares |
| 2023-05-04 | Parschauer Karah Herdman EVP and Chief Legal Officer | Sold | $197.0k4.4k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2023
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.01% of their portfolio | 7.0m $323.8m | Added +265.2k |
| RTW INVESTMENTS, LP 4.75% of their portfolio | 5.4m $249.3m | Added +1.1m |
| WELLINGTON MANAGEMENT GROUP LLP 0.05% of their portfolio | 5.2m $238.8m | Added +76.4k |
| BlackRock Inc. 0.01% of their portfolio | 5.1m $233.7m | Added +193.7k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.02% of their portfolio | 3.6m $166.8m | Added +71.2k |
| Clearbridge Investments, LLC 0.12% of their portfolio | 2.8m $127.5m | Added +62.2k |
| SANDS CAPITAL MANAGEMENT, LLC 0.38% of their portfolio | 2.7m $123.3m | New |
| STATE STREET CORP 0.01% of their portfolio | 2.5m $113.7m | Reduced -280.3k |
| ALKEON CAPITAL MANAGEMENT LLC 0.54% of their portfolio | 1.9m $89.7m | Added +98.1k |
| FEDERATED HERMES, INC. 0.20% of their portfolio | 1.8m $82.0m | Reduced -749.0k |
| ALLIANCEBERNSTEIN L.P. 0.03% of their portfolio | 1.5m $69.8m | Added +84.4k |
| Rock Springs Capital Management LP 1.52% of their portfolio | 1.4m $63.9m | Added +47.9k |
| FIRST TRUST ADVISORS LP 0.06% of their portfolio | 1.2m $53.3m | Reduced -57.8k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 1.1m $48.9m | Added +46.0k |
| Capital International Investors 0.01% of their portfolio | 967.4k $44.6m | Reduced -327.2k |
| MARSHALL WACE, LLP 0.09% of their portfolio | 926.6k $42.7m | Added +21.1k |
| Avidity Partners Management LP 1.45% of their portfolio | 900.7k $41.5m | Reduced -1.2m |
| DEUTSCHE BANK AG\ 0.02% of their portfolio | 887.7k $41.0m | Reduced -490 |
| FMR LLC 0.00% of their portfolio | 832.7k $38.4m | Reduced -1.2m |
| BAKER BROS. ADVISORS LP 0.21% of their portfolio | 783.1k $36.1m | Added +312.1k |
| Avoro Capital Advisors LLC 0.47% of their portfolio | 750.0k $34.6m | Unchanged |
| GREAT POINT PARTNERS LLC 6.26% of their portfolio | 677.4k $31.2m | Unchanged |
| FRED ALGER MANAGEMENT, LLC 0.15% of their portfolio | 656.1k $30.3m | Added +112.6k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 643.0k $29.7m | Reduced -8.7k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.16% of their portfolio | 604.3k $27.9m | Reduced -171.5k |
| NORGES BANK 0.01% of their portfolio | 598.1k $27.6m | Reduced -75.6k |
| First Light Asset Management, LLC 2.13% of their portfolio | 590.0k $27.2m | Added +354.2k |
| PICTET ASSET MANAGEMENT SA 0.03% of their portfolio | 583.0k $26.9m | Added +248.9k |
| EMERALD ADVISERS, LLC 1.11% of their portfolio | 552.1k $25.5m | Added +62.0k |
| MONTANOVA CAPITAL, LLC 1.34% of their portfolio | 541.5k $25.0m | Reduced -75.0k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 536.7k $24.8m | Added +91.7k |
| MORGAN STANLEY 0.00% of their portfolio | 517.2k $23.9m | Added +158.8k |
| Hudson Bay Capital Management LP 0.23% of their portfolio | 501.8k $23.1m | Reduced -495.1k |
| TWO SIGMA ADVISERS, LP 0.06% of their portfolio | 490.5k $22.6m | Reduced -7.4k |
| EMERALD MUTUAL FUND ADVISERS TRUST 1.10% of their portfolio | 440.1k $20.3m | Added +51.6k |
| Nuveen Asset Management, LLC 0.01% of their portfolio | 431.7k $19.9m | Reduced -19.7k |
| Point72 Asset Management, L.P. 0.07% of their portfolio | 424.9k $19.6m | Reduced -962.0k |
| TWO SIGMA INVESTMENTS, LP 0.05% of their portfolio | 403.8k $18.6m | Reduced -84.6k |
| Invesco Ltd. 0.00% of their portfolio | 377.3k $17.4m | Added +308.7k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 377.2k $17.4m | Added +6.3k |
| EVENTIDE ASSET MANAGEMENT, LLC 0.28% of their portfolio | 359.0k $16.6m | Unchanged |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 358.9k $16.6m | Reduced -112.1k |
| AXA S.A. 0.05% of their portfolio | 345.2k $15.9m | Added +24.2k |
| Driehaus Capital Management LLC 0.19% of their portfolio | 329.7k $15.2m | New |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 313.1k $14.4m | Added +24.1k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 312.4k $14.4m | Added +7.7k |
| GW&K Investment Management, LLC 0.13% of their portfolio | 286.5k $13.2m | Added +223.2k |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 276.7k $12.8m | Reduced -281.1k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.01% of their portfolio | 242.9k $11.2m | Added +167.9k |
| Woodline Partners LP 0.13% of their portfolio | 236.6k $10.9m | New |
| Assenagon Asset Management S.A. 0.04% of their portfolio | 234.5k $10.8m | Reduced -179.8k |
| MACQUARIE GROUP LTD 0.01% of their portfolio | 215.7k $9.9m | Reduced -735.5k |
| CREDIT SUISSE AG/ 0.01% of their portfolio | 208.7k $9.6m | Added +31.5k |
| Connor, Clark & Lunn Investment Management Ltd. 0.05% of their portfolio | 206.0k $9.5m | Reduced -1.8k |
| Mirae Asset Global Investments Co., Ltd. 0.02% of their portfolio | 192.1k $8.9m | Reduced -41.0k |
| SPHERA FUNDS MANAGEMENT LTD. 1.82% of their portfolio | 183.7k $8.5m | Unchanged |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 179.6k $8.3m | Added +126 |
| Russell Investments Group, Ltd. 0.02% of their portfolio | 170.1k $7.8m | Reduced -12.1k |
| Cubist Systematic Strategies, LLC 0.08% of their portfolio | 162.3k $7.5m | Reduced -70.6k |
| Rafferty Asset Management, LLC 0.04% of their portfolio | 161.7k $7.5m | Reduced -13.9k |
| BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio | 155.0k $7.1m | Added +56.4k |
| Swiss National Bank 0.00% of their portfolio | 152.9k $7.1m | Added +9.1k |
| PEREGRINE CAPITAL MANAGEMENT LLC 0.19% of their portfolio | 148.6k $6.9m | Reduced -43 |
| Amundi 0.00% of their portfolio | 128.0k $6.0m | Added +90.1k |
| PINNACLE ASSOCIATES LTD 0.10% of their portfolio | 123.2k $5.7m | Reduced -3.2k |
| Ikarian Capital, LLC 1.89% of their portfolio | 121.7k $5.6m | New |
| TD Asset Management Inc 0.01% of their portfolio | 117.8k $5.4m | Added +19.0k |
| Privium Fund Management B.V. 1.51% of their portfolio | 112.2k $5.2m | Added +1.5k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio | 110.7k $5.1m | Added +38.0k |
| Motley Fool Wealth Management, LLC 0.30% of their portfolio | 110.1k $5.1m | Added +4 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.01% of their portfolio | 107.6k $5.0m | Reduced -14.4k |
| Legal & General Group Plc 0.00% of their portfolio | 106.9k $4.9m | Reduced -7.4k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 106.0k $4.2m | Unchanged |
| WCM INVESTMENT MANAGEMENT, LLC 0.01% of their portfolio | 105.3k $4.9m | Added +7.5k |
| MOORE CAPITAL MANAGEMENT, LP 0.12% of their portfolio | 105.0k $4.8m | Added +75.0k |
| NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio | 102.6k $4.7m | Added +34.0k |
| BARCLAYS PLC 0.00% of their portfolio | 102.1k $4.7m | Added +10.5k |
| California Public Employees Retirement System 0.00% of their portfolio | 101.7k $4.7m | Reduced -12.2k |
| SECTOR GAMMA AS 1.04% of their portfolio | 100.6k $4.6m | Reduced -5.7k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 95.6k $4.4m | Reduced -5.8k |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 94.9k $4.4m | Reduced -26.0k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 93.0k $4.3m | Added +12.4k |
| Motley Fool Asset Management LLC 0.38% of their portfolio | 91.7k $4.2m | Added +57.1k |
| CHI Advisors LLC 1.19% of their portfolio | 85.0k $3.9m | New |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 84.5k $3.9m | Added +982 |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.01% of their portfolio | 84.3k $3.9m | Reduced -3.4k |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC 1.12% of their portfolio | 80.1k $3.7m | Reduced -184.0k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 77.6k $3.6m | Added +48.9k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 76.4k $3.5m | Added +19.2k |
| CITIGROUP INC 0.00% of their portfolio | 71.5k $3.3m | Reduced -84.6k |
| GREAT LAKES ADVISORS, LLC 0.03% of their portfolio | 69.7k $3.2m | Reduced -49.6k |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 0.07% of their portfolio | 67.3k $3.1m | Added +8.1k |
| SEI INVESTMENTS CO 0.01% of their portfolio | 65.8k $3.0m | Added +8.9k |
| NATIXIS 0.03% of their portfolio | 64.7k $3.0m | New |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 64.4k $3.0m | Added +2.1k |
| UBS Group AG 0.00% of their portfolio | 63.5k $2.9m | Reduced -11.5k |
| HRT FINANCIAL LP 0.03% of their portfolio | 59.3k $2.7m | Added +48.8k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio | 59.0k $2.7m | Reduced -2.4k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 56.7k $2.6m | Reduced -43 |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 55.4k $2.6m | Reduced -706.4k |