Security record
RARE
Ultragenyx Pharmaceutical Inc. · Healthcare · Biotechnology
97Tracked holders
-7Δ holders
59.88MShares held
$1.99BReported value
+8New positions
−14Exits
Momentum inputs (comparable managers):
holder breadth -6.7% ·
share flow +8.0% ·
net new positions -6.2%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 97 | -7 | 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 | — |
| Q3 2025 | 19 | -1 | 45.29M | $1.36B | — | −2 |
| Q2 2025 | 18 | -1 | 33.50M | $1.22B | — | −1 |
| Q1 2025 | 16 | 0 | 17.22M | $623.52M | — | — |
| Q4 2024 | 16 | +1 | 16.41M | $690.18M | +1 | — |
| Q3 2024 | 14 | +2 | 15.84M | $879.45M | +2 | — |
| Q2 2024 | 12 | — | 15.75M | $647.24M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 10.65M | +46.0% | $355.75M | 0.0% | ▲ Add | 5 | SEC ↗ ×17 |
| 2 | AQR Capital Management ✦ | 6.56M | +43.3% | $214.14M | 0.1% | ▲ Add | 9 | SEC ↗ ×6 |
| 3 | State Street Global Advisors ✦ (passive) | 6.16M | +22.6% | $205.64M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 4 | Vanguard Capital Management Llc | 4.30M | +2.5% | $143.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Two Sigma Investments ✦ | 3.62M | +64.2% | $120.91M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 2.58M | +39.4% | $86.12M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 7 | D. E. Shaw & Co. ✦ | 1.73M | +37.2% | $57.77M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 8 | Adage Capital Partners ✦ | 1.58M | +229.2% | $52.76M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 9 | T. Rowe Price ✦ | 1.36M | +68.7% | $45.30M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 10 | Morgan Stanley ✦ | 1.32M | -11.7% | $44.24M | 0.0% | ▼ Trim | 4 | SEC ↗ ×9 |
| 11 | Wellington Management ✦ | 1.25M | -52.6% | $41.75M | 0.0% | ▼ Trim | 9 | SEC ↗ ×5 |
| 12 | Bank Of America Corp /De/ | 1.15M | +9.7% | $38.35M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 13 | Northern Trust Corp | 920.31K | +71.8% | $30.73M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 14 | Qube Research & Technologies Ltd | 882.22K | -3.6% | $29.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | Russell Investments Group, Ltd. | 784.10K | +94.6% | $26.18M | 0.0% | ▲ Add | 3 | SEC ↗ ×12 |
| 16 | Millennium Management ✦ | 760.83K | -57.1% | $25.40M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 17 | Charles Schwab Investment… | 760.04K | +36.1% | $25.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | Nuveen, LLC | 693.96K | +4.8% | $23.17M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 19 | Pictet Asset Management Holding SA | 753.70K | +24.9% | $23.16M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | UBS Group AG | 657.70K | -21.0% | $21.96M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 21 | Legal & General Group Plc | 586.52K | -0.6% | $19.58M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 22 | Fidelity (FMR) ✦ | 576.85K | +100.8% | $19.26M | 0.0% | ▲ Add | 5 | SEC ↗ ×5 |
| 23 | Goldman Sachs Group ✦ | 575.34K | +62.9% | $19.21M | 0.0% | ▲ Add | 4 | SEC ↗ ×3 |
| 24 | Bnp Paribas Financial Markets | 498.17K | +1.5% | $16.63M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 25 | Bank of New York Mellon Corp | 470.70K | +38.0% | $15.72M | 0.0% | ▲ Add | 3 | SEC ↗ ×10 |
| 26 | JPMorgan Chase ✦ | 493.13K | +100.5% | $15.27M | 0.0% | ▲ Add | 4 | SEC ↗ ×5 |
| 27 | Toronto Dominion Bank | 415.00K | +256072.8% | $13.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | Renaissance Technologies ✦ | 413.70K | -26.4% | $13.81M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 29 | BNP Paribas Asset Management… | 409.25K | -2.1% | $13.67M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 30 | Manufacturers Life Insurance… | 381.42K | -15.4% | $12.74M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 31 | Squarepoint Ops LLC | 338.37K | -23.9% | $11.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Franklin Resources Inc | 315.77K | +1.0% | $10.54M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 33 | Citigroup Inc | 298.79K | -5.3% | $9.98M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 34 | Nomura Asset Management… | 297.82K | +63.8% | $9.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Ensign Peak Advisors, Inc | 290.82K | +4227.0% | $9.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | Massachusetts Financial Services Co… | 272.88K | +4.8% | $9.11M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 37 | Invesco Ltd. | 250.53K | -13.5% | $8.37M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 38 | Quantinno Capital Management LP | 250.47K | +33.6% | $8.36M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | Assenagon Asset Management S.A. | 241.73K | -89.3% | $8.07M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 40 | Sei Investments Co | 211.83K | +130.0% | $7.07M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 41 | Citadel Advisors ✦ | 210.53K | -90.0% | $7.03M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 42 | Man Group plc | 195.11K | -8.6% | $6.51M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 43 | Fifth Third Bancorp | 193.24K | +75.2% | $6.45M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Connor, Clark & Lunn Investment… | 191.58K | -61.8% | $6.40M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Susquehanna International Group, Llp | 180.87K | -65.5% | $6.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | Swiss National Bank | 167.65K | -2.0% | $5.60M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 47 | UBS AM, a distinct business unit of… | 167.23K | -25.0% | $5.58M | 0.0% | ▼ Trim | 3 | SEC ↗ ×9 |
| 48 | Deutsche Bank Ag\ | 164.81K | +129.3% | $5.50M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 49 | Marshall Wace ✦ | 159.89K | +1.5% | $5.34M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 50 | Schroder Investment Management Group | 172.09K | -3.9% | $5.28M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 51 | Wells Fargo & Company/Mn | 157.64K | +129.2% | $5.26M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 52 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 156.81K | +119.3% | $5.20M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 53 | Barclays Plc | 154.88K | -38.0% | $5.17M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 54 | Mariner, LLC | 146.40K | +138.8% | $4.89M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 55 | Corient Private Wealth LP | 139.09K | +1.9% | $4.64M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | Rhumbline Advisers | 124.12K | +20.0% | $4.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Cerity Partners LLC | 105.06K | +229.4% | $3.51M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 58 | Norges Bank ✦ (passive) | 78.49K | New | $2.62M | 0.0% | New | 1 | SEC ↗ |
| 59 | Alliancebernstein L.P. | 124.38K | +343.8% | $2.61M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | Mercer Global Advisors Inc /Adv | 71.09K | +110.4% | $2.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | Creative Planning | 67.96K | +109.5% | $2.27M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 62 | First Trust Advisors Lp | 66.45K | +368.0% | $2.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | Wealth Enhancement Advisory… | 58.65K | +71.6% | $1.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | Hsbc Holdings Plc | 45.17K | -12.5% | $1.53M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 65 | State Of Wisconsin Investment Board | 45.71K | -2.9% | $1.53M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | Zurcher Kantonalbank (Zurich… | 39.89K | 0.0% | $1.33M | 0.0% | Held | 3 | SEC ↗ |
| 67 | New York State Common Retirement… | 33.70K | 0.0% | $1.13M | 0.0% | Held | 3 | SEC ↗ |
| 68 | Captrust Financial Advisors | 32.12K | +57.5% | $1.07M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Ameriprise Financial Inc | 31.80K | -24.8% | $1.06M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 70 | State Board Of Administration Of… | 25.73K | -72.6% | $859,191 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 71 | IMC-Chicago, LLC | 25.54K | +114.2% | $852,614 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | Focus Partners Wealth | 25.16K | New | $839,993 | 0.0% | New | 1 | SEC ↗ |
| 73 | Raymond James Financial Inc | 24.24K | -2.2% | $809,273 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 74 | Daiwa Securities Group Inc. | 20.47K | +167.2% | $683,427 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 75 | Jones Financial Companies Lllp | 21.28K | +26.0% | $654,755 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | Envestnet Asset Management Inc | 19.12K | -2.4% | $638,283 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 77 | Voya Investment Management Llc | 18.45K | New | $616,179 | 0.0% | New | 1 | SEC ↗ |
| 78 | Victory Capital Management Inc | 17.82K | -0.5% | $594,877 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 79 | Group One Trading Llc | 17.68K | -87.4% | $590,469 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | Capstone Investment Advisors, Llc | 16.46K | +4.2% | $549,499 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Prudential Financial Inc | 16.10K | New | $537,579 | 0.0% | New | 1 | SEC ↗ |
| 82 | ProShare Advisors LLC | 15.89K | New | $530,534 | 0.0% | New | 1 | SEC ↗ |
| 83 | Stifel Financial Corp | 11.80K | -50.4% | $393,901 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 84 | Pnc Financial Services Group, Inc. | 10.49K | -5.0% | $350,329 | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 85 | Mitsubishi UFJ Asset Management… | 10.44K | +37.1% | $348,491 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | Blair William & Co/Il | 7.21K | New | $240,809 | 0.0% | New | 1 | SEC ↗ |
| 87 | Universal- Beteiligungs- und… | 6.30K | -59.3% | $210,390 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | Royal Bank Of Canada | 5.74K | +74.2% | $192,000 | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 89 | Mirae Asset Global Investments Co.… | 4.41K | -12.6% | $147,083 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 90 | DZ BANK AG Deutsche Zentral… | 3.03K | New | $101,238 | 0.0% | New | 1 | SEC ↗ |
| 91 | Rockefeller Capital Management L.P. | 1.84K | -81.7% | $61,605 | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 92 | Osaic Holdings, Inc. | 1.71K | -40.4% | $57,195 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 93 | Pacer Advisors, Inc. | 1.70K | New | $57,000 | 0.0% | New | 1 | SEC ↗ |
| 94 | Us Bancorp \De\ | 1.59K | -31.3% | $53,124 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 95 | Assetmark, Inc | 1.45K | 0.0% | $48,315 | 0.0% | Held | 3 | SEC ↗ |
| 96 | Danske Bank A/S | 100 | 0.0% | $3,339 | 0.0% | Held | 3 | SEC ↗ |
| 97 | Northwestern Mutual Wealth… | 30 | -93.5% | $1,002 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $2.62M | 0.0% |
| Focus Partners Wealth | $839,993 | 0.0% |
| Voya Investment Management Llc | $616,179 | 0.0% |
| Prudential Financial Inc | $537,579 | 0.0% |
| ProShare Advisors LLC | $530,534 | 0.0% |
| Blair William & Co/Il | $240,809 | 0.0% |
| DZ BANK AG Deutsche Zentral… | $101,238 | 0.0% |
| Pacer Advisors, Inc. | $57,000 | 0.0% |
Exited
| Point72 Asset Management | $18.71M | was 0.0% |
| Hrt Financial Lp | $12.85M | was 0.0% |
| Balyasny Asset Management L.P. | $8.05M | was 0.0% |
| Jane Street Group, Llc | $3.64M | was 0.0% |
| Nordea Investment Management… | $1.20M | was 0.0% |
| Tudor Investment Corp Et Al | $1.12M | was 0.0% |
| Aberdeen Group plc | $806,554 | was 0.0% |
| Nomura Holdings Inc | $628,500 | was 0.0% |
| American Century Companies Inc | $456,291 | was 0.0% |
| Amundi | $317,728 | was 0.0% |
| Tidal Investments LLC | $242,245 | was 0.0% |
| Walleye Trading LLC | $147,467 | was 0.0% |
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)
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
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: Q2 2026 ·
Methodology ·
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