Security record · archived quarter
RARE
Ultragenyx Pharmaceutical Inc. · Healthcare · Biotechnology
102Tracked holders
0Δ holders
62.50MShares held
$1.44BReported value
+1New positions
−0Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -4.7% · net new positions +1.0% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 477.97K | $7.18M | +1 | −2 |
| Q2 2026 | 97 | -6 | 59.88M | $1.99B | +8 | −14 |
| Q1 2026 | 106 | +4 | 55.54M | $1.16B | +10 | −7 |
| Q4 2025 | 102 | 0 | 62.50M | $1.44B | +1 | n/a |
| Q3 2025 | 19 | -1 | 45.29M | $1.36B | n/a | −2 |
| Q2 2025 | 18 | -1 | 33.50M | $1.22B | n/a | −1 |
| Q1 2025 | 16 | 0 | 17.22M | $623.52M | n/a | n/a |
| Q4 2024 | 16 | +1 | 16.41M | $690.18M | +1 | n/a |
| Q3 2024 | 14 | +2 | 15.84M | $879.45M | +2 | n/a |
| Q2 2024 | 12 | n/a | 15.75M | $647.24M | n/a | n/a |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 10.26M | +1.3% | $236.07M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 2 | BlackRock ✦ (passive) | 6.63M | +3.2% | $152.53M | 0.0% | ▲ Add | 3 | SEC ↗ ×17 |
| 3 | State Street Global Advisors ✦ (passive) | 4.30M | +16.5% | $98.97M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | JPMorgan Chase ✦ | 3.97M | -50.5% | $91.40M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 5 | Fidelity (FMR) ✦ | 2.67M | -63.4% | $61.32M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 6 | Wellington Management ✦ | 2.46M | +26.6% | $56.62M | 0.0% | ▲ Add | 7 | SEC ↗ ×5 |
| 7 | Citadel Advisors ✦ | 2.33M | +602.9% | $53.50M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 8 | BNP Paribas Asset Management… | 1.90M | n/a | $43.69M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 9 | Geode Capital Management ✦ (passive) | 1.84M | +16.3% | $42.29M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 10 | Morgan Stanley ✦ | 1.83M | +100.7% | $42.00M | 0.0% | ▲ Add | 2 | SEC ↗ ×10 |
| 11 | T. Rowe Price ✦ | 1.55M | -32.7% | $35.75M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 12 | Aberdeen Group plc | 1.47M | n/a | $33.81M | 0.1% | n/c | 1 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 1.36M | +82.3% | $31.29M | 0.0% | ▲ Add | 7 | SEC ↗ ×6 |
| 14 | Norges Bank ✦ (passive) | 1.26M | New | $29.00M | 0.0% | New | 1 | SEC ↗ |
| 15 | Bank Of America Corp /De/ | 1.21M | n/a | $27.92M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 16 | Pictet Asset Management Holding SA | 1.23M | n/a | $26.56M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Jane Street Group, Llc | 1.02M | n/a | $23.49M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 18 | Bnp Paribas Financial Markets | 903.05K | n/a | $20.77M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Millennium Management ✦ | 880.64K | +787.6% | $20.25M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 20 | Russell Investments Group, Ltd. | 840.82K | n/a | $19.34M | 0.0% | n/c | 1 | SEC ↗ ×14 |
| 21 | Nuveen, LLC | 801.47K | n/a | $18.43M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 22 | UBS Group AG | 668.81K | n/a | $15.38M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 23 | Deutsche Bank Ag\ | 599.47K | n/a | $13.79M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 24 | Charles Schwab Investment… | 598.92K | n/a | $13.78M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Northern Trust Corp | 526.69K | n/a | $12.11M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 26 | Balyasny Asset Management L.P. | 520.05K | n/a | $11.96M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Hrt Financial Lp | 501.68K | n/a | $11.54M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Two Sigma Investments ✦ | 424.05K | +30.0% | $9.75M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 29 | Legal & General Group Plc | 411.27K | n/a | $9.46M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 30 | Goldman Sachs Group ✦ | 400.36K | -16.1% | $9.21M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 31 | Squarepoint Ops LLC | 390.60K | n/a | $8.98M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Renaissance Technologies ✦ | 366.10K | +1571.7% | $8.42M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 33 | Barclays Plc | 359.15K | n/a | $8.26M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 34 | D. E. Shaw & Co. ✦ | 344.76K | +45.1% | $7.93M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 35 | Manufacturers Life Insurance… | 331.17K | n/a | $7.61M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Massachusetts Financial Services Co… | 310.11K | n/a | $7.13M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 37 | Franklin Resources Inc | 309.06K | n/a | $7.11M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 38 | Bank of New York Mellon Corp | 298.71K | n/a | $6.87M | 0.0% | n/c | 1 | SEC ↗ ×11 |
| 39 | Adage Capital Partners ✦ | 280.00K | -34.9% | $6.44M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 40 | Ameriprise Financial Inc | 276.93K | n/a | $6.37M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 41 | Connor, Clark & Lunn Investment… | 263.87K | n/a | $6.07M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Ensign Peak Advisors, Inc | 250.57K | n/a | $5.76M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Invesco Ltd. | 230.27K | n/a | $5.30M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 44 | UBS AM, a distinct business unit of… | 204.11K | n/a | $4.69M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 45 | Assenagon Asset Management S.A. | 199.72K | n/a | $4.59M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Fisher Asset Management ✦ | 198.70K | +18.2% | $4.57M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 47 | Nomura Asset Management… | 182.81K | n/a | $4.21M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Swiss National Bank | 171.05K | n/a | $3.93M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Royal Bank Of Canada | 163.23K | n/a | $3.75M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 50 | Wcm Investment Management, Llc | 163.27K | n/a | $3.72M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Sei Investments Co | 153.73K | n/a | $3.54M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 52 | Susquehanna International Group, Llp | 152.32K | n/a | $3.50M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Rhumbline Advisers | 101.83K | n/a | $2.34M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | State Board Of Administration Of… | 96.84K | n/a | $2.23M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | California State Teachers… | 83.34K | n/a | $1.92M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Td Asset Management Inc | 81.96K | n/a | $1.89M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Man Group plc | 78.37K | n/a | $1.80M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 58 | Marshall Wace ✦ | 72.17K | -50.6% | $1.66M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 59 | Citigroup Inc | 69.51K | n/a | $1.60M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 60 | DZ BANK AG Deutsche Zentral… | 67.34K | n/a | $1.55M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 61 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 66.17K | n/a | $1.52M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 62 | Wells Fargo & Company/Mn | 63.56K | n/a | $1.46M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 63 | State Of Wisconsin Investment Board | 58.66K | n/a | $1.35M | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Hsbc Holdings Plc | 59.36K | n/a | $1.33M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 65 | Nordea Investment Management Ab | 58.84K | n/a | $1.32M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 66 | Quantinno Capital Management LP | 49.75K | n/a | $1.14M | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Janus Henderson Group Plc | 36.54K | n/a | $840,489 | 0.0% | n/c | 1 | SEC ↗ |
| 68 | New York State Common Retirement… | 34.02K | n/a | $782,552 | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Toronto Dominion Bank | 31.70K | n/a | $729,100 | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Zurcher Kantonalbank (Zurich… | 28.24K | n/a | $649,520 | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Alliancebernstein L.P. | 27.29K | n/a | $627,555 | 0.0% | n/c | 1 | SEC ↗ |
| 72 | IMC-Chicago, LLC | 23.40K | n/a | $538,131 | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Group One Trading Llc | 23.21K | n/a | $533,784 | 0.0% | n/c | 1 | SEC ↗ |
| 74 | LMR Partners LLP | 21.67K | n/a | $498,502 | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Envestnet Asset Management Inc | 20.11K | n/a | $462,576 | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Voya Investment Management Llc | 19.93K | n/a | $458,482 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 77 | Victory Capital Management Inc | 19.91K | n/a | $457,861 | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Raymond James Financial Inc | 19.85K | n/a | $456,573 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 79 | Stifel Financial Corp | 19.00K | n/a | $436,931 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 80 | First Trust Advisors Lp | 16.64K | n/a | $382,766 | 0.0% | n/c | 1 | SEC ↗ |
| 81 | Cerity Partners LLC | 15.68K | n/a | $360,594 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 82 | Universal- Beteiligungs- und… | 14.09K | n/a | $322,904 | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Mercer Global Advisors Inc /Adv | 13.96K | n/a | $321,195 | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Tudor Investment Corp Et Al | 13.42K | n/a | $308,568 | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Walleye Trading LLC | 13.17K | n/a | $302,841 | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Cwm, Llc | 13.12K | n/a | $302,000 | 0.0% | n/c | 1 | SEC ↗ |
| 87 | Wealth Enhancement Advisory… | 11.71K | n/a | $263,853 | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Captrust Financial Advisors | 11.38K | n/a | $261,694 | 0.0% | n/c | 1 | SEC ↗ |
| 89 | Creative Planning | 11.27K | n/a | $259,118 | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Mariner, LLC | 10.24K | n/a | $235,713 | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Mitsubishi UFJ Asset Management… | 7.79K | n/a | $183,868 | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Rockefeller Capital Management L.P. | 7.72K | n/a | $177,468 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 93 | Daiwa Securities Group Inc. | 7.28K | n/a | $168,000 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 94 | Pnc Financial Services Group, Inc. | 6.65K | n/a | $152,881 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 95 | Mirae Asset Global Investments Co.… | 4.69K | n/a | $107,824 | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Osaic Holdings, Inc. | 3.12K | n/a | $71,668 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 97 | Danske Bank A/S | 1.30K | n/a | $29,900 | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Us Bancorp \De\ | 1.08K | n/a | $24,840 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 99 | Assetmark, Inc | 1.08K | n/a | $24,748 | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Jones Financial Companies Lllp | 344 | n/a | $7,912 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $29.00M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 293 holders, 97.86M shares, $1.96B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Oct 15
Horn Howard
Officer · 7.07K sh · $107,898
Sep 15
Huizenga Theodore Alan
Officer · 1.28K sh · $17,410
Sep 03
Huizenga Theodore Alan
Officer · 161 sh · $2,252
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Oct 20
SC 13G: Madison Avenue Partners, LP
Aug 14
SC 13G: RTW INVESTMENTS, LP
Aug 13
SC 13G: AQR CAPITAL MANAGEMENT LLC
Aug 07
SC 13G: STATE STREET CORP
Jul 31
SC 13G: VANGUARD CAPITAL MANAGEMENT LLC
Jul 31
SC 13G/A: VANGUARD PORTFOLIO MANAGEMENT LLC
Jul 30
SC 13G/A: BlackRock, Inc.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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