RARE — ULTRAGENYX PHARMACEUTICAL IN
As of Q2 2026, 32 SEC-registered investment managers reported holding RARE (ULTRAGENYX PHARMACEUTICAL IN) in their latest 13F filings, with a combined reported value of $1.25B across 39.08M shares. That is +12.2% by share count (+4.25M shares) versus the previous quarter, while reported value moved +75.8%. Ownership is concentrated: the five largest holders account for 66.6% of reported value and the top ten for 81.0%.
Compared with the prior quarter, 2 opened new positions, 17 added to existing stakes, 13 trimmed, 4 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
RARE is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| BlackRock Inc history | Q2 2026 | 10.65M | $355.75M | 0.01% | Add |
| Vanguard Group history | Q4 2025 | 10.26M | $236.07M | 0.00% | Add |
| AQR Capital Management history | Q2 2026 | 6.56M | $214.14M | 0.07% | Add |
| Two Sigma Investments history | Q2 2026 | 3.62M | $120.91M | 0.09% | Add |
| Capital World Investors history | Q2 2022 | 1.45M | $86.28M | 0.02% | Reduce |
| Geode Capital Management history | Q2 2026 | 2.58M | $86.12M | 0.01% | Add |
| Alkeon Capital Management history | Q2 2025 | 1.69M | $61.29M | 0.10% | Hold |
| D. E. Shaw & Co history | Q2 2026 | 1.73M | $57.77M | 0.03% | Add |
| Morgan Stanley history | Q2 2026 | 1.32M | $44.24M | 0.00% | Reduce |
| Wellington Management Group history | Q2 2026 | 1.25M | $41.75M | 0.01% | Reduce |
| Bank of America Corp history | Q2 2026 | 1.15M | $38.35M | 0.00% | Add |
| Capital Research Global Investors history | Q4 2021 | 425.16K | $35.75M | 0.01% | Reduce |
| Northern Trust Corp history | Q2 2026 | 920.31K | $30.73M | 0.00% | Add |
| Millennium Management history | Q2 2026 | 760.83K | $25.40M | 0.01% | Reduce |
| Charles Schwab Investment Management history | Q2 2026 | 760.04K | $25.38M | 0.00% | Add |
| UBS Group AG history | Q2 2026 | 657.70K | $21.96M | 0.00% | Reduce |
| Goldman Sachs Group history | Q2 2026 | 635.34K | $21.21M | 0.00% | Add |
| Legal & General Investment Management America history | Q2 2026 | 586.52K | $19.58M | 0.00% | Reduce |
| Fidelity Management & Research (FMR) history | Q2 2026 | 576.85K | $19.26M | 0.00% | Add |
| Point72 Asset Management history | Q1 2026 | 893.29K | $18.71M | 0.03% | New |
New Positions (Q2 2026)
- JPMorgan Chase & Co 493.13K sh · $15.27M
- Prudential Financial 16.10K sh · $537.58K
Fully Exited (vs previous quarter)
- Point72 Asset Management sold 893.29K sh · $18.71M
- Balyasny Asset Management sold 384.36K sh · $8.05M
- Janus Henderson Group sold 36.54K sh · $764.66K
- Amundi US sold 15.17K sh · $317.73K
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | 5.83M | 6.54M | 6.16M | 6.26M | 6.43M | 6.63M | 7.30M | 10.65M |
| AQR Capital Management | — | — | — | — | 10.22K | 15.91K | 35.91K | — | — | 170.69K | 251.20K | 97.10K | 1.04M | 280.55K | 92.05K | 252.33K | 746.18K | 1.36M | 4.58M | 6.56M |
| Two Sigma Investments | 25.90K | — | 38.90K | 56.50K | 255.39K | 441.94K | 488.36K | 403.77K | 39.20K | 126.61K | 415.31K | 568.31K | 755.68K | 614.95K | 633.15K | 576.90K | 326.18K | 424.05K | 2.21M | 3.62M |
| Geode Capital Management | 846.07K | 876.96K | 902.90K | 908.71K | 924.88K | 983.03K | 1.01M | 1.06M | 1.08M | 1.28M | 1.34M | 1.51M | 1.57M | 1.56M | 1.65M | 1.71M | 1.58M | 1.84M | 1.85M | 2.58M |
| D. E. Shaw & Co | 475.71K | 546.59K | 484.34K | 359.52K | 472.35K | 290.00K | 120.89K | 94.93K | 6.15K | — | — | 203.44K | 261.59K | 286.08K | 556.42K | 540.80K | 237.64K | 344.76K | 1.26M | 1.73M |
| Morgan Stanley | 229.07K | 192.00K | 244.74K | 329.65K | 400.11K | 308.35K | 358.41K | 517.17K | 495.49K | 597.55K | 504.38K | 497.97K | 467.84K | 598.19K | 626.40K | 638.88K | 910.18K | 1.83M | 1.50M | 1.32M |
| Wellington Management Group | 2.51M | 2.88M | 3.37M | 4.41M | 6.05M | 5.20M | 5.10M | 5.18M | 5.20M | 4.42M | 4.10M | 4.56M | 4.17M | 2.46M | 2.45M | 1.87M | 1.95M | 2.46M | 2.64M | 1.25M |
| Bank of America Corp | 264.87K | 246.80K | 335.48K | 413.73K | 427.20K | 392.39K | 470.95K | 358.87K | 374.74K | 343.41K | 430.54K | 547.82K | 925.91K | 388.50K | 527.98K | 672.39K | 655.02K | 1.21M | 1.05M | 1.15M |
| Northern Trust Corp | 342.81K | 339.55K | 337.70K | 335.49K | 337.00K | 297.81K | 304.71K | 312.36K | 322.57K | 374.66K | 367.62K | 381.88K | 473.32K | 528.97K | 568.39K | 493.47K | 499.23K | 526.69K | 535.57K | 920.31K |
| Millennium Management | 107.76K | 63.24K | 7.42K | 123.83K | 295.40K | 772.73K | 761.85K | 70.44K | 108.95K | 28.55K | 908.21K | 1.85M | 710.69K | 697.24K | 712.39K | 521.84K | 99.21K | 880.64K | 1.77M | 760.83K |
| Charles Schwab Investment Management | 513.85K | 526.18K | 540.74K | 551.13K | 365.11K | 372.27K | 370.96K | 377.24K | 396.73K | 471.82K | 484.38K | 537.62K | 594.52K | 613.63K | 593.12K | 615.97K | 600.16K | 598.92K | 558.49K | 760.04K |
| UBS Group AG | 56.19K | 63.38K | 92.34K | 47.15K | 29.64K | 165.10K | 74.98K | 63.47K | 46.39K | 57.82K | 169.16K | 195.89K | 93.07K | 325.65K | 469.48K | 440.43K | 547.02K | 668.81K | 832.74K | 657.70K |
| Goldman Sachs Group | 506.21K | 725.68K | 767.24K | 860.08K | 1.01M | 1.11M | 445.01K | 536.73K | 391.30K | 155.05K | 364.12K | 629.51K | 506.51K | 553.67K | 480.27K | 445.89K | 516.94K | 475.36K | 370.60K | 635.34K |
| Legal & General Investment Management America | 65.75K | 69.26K | 74.90K | 77.17K | 84.48K | 89.12K | 114.33K | 106.91K | 68.93K | 72.83K | 83.87K | 93.40K | 101.91K | 98.73K | 258.97K | 313.80K | 402.81K | 411.27K | 590.29K | 586.52K |
| Fidelity Management & Research (FMR) | 1.16M | 1.29M | 1.26M | 1.16M | 979.78K | 1.08M | 1.00M | 832.68K | 1.03M | 992.95K | 782.03K | 647.62K | 637.82K | 395.98K | 381.42K | 2.60M | 7.28M | 2.67M | 287.32K | 576.85K |
| BNY Mellon | 864.35K | 849.54K | 755.03K | 794.03K | 735.71K | 651.74K | 651.71K | 642.99K | 621.71K | 1.01M | 911.66K | 781.94K | 772.09K | 738.97K | 696.16K | 473.89K | 324.85K | 298.71K | 341.12K | 470.70K |
| JPMorgan Chase & Co | 310.25K | 321.55K | 301.14K | 294.96K | 312.77K | 295.15K | 249.87K | 313.14K | 275.59K | 277.94K | 35.00K | 35.00K | 213.21K | 30.00K | 51.00K | 117.50K | 3.50K | 89.60K | — | 493.13K |
| Renaissance Technologies | 71.60K | 47.40K | — | — | — | — | — | 19.60K | — | — | — | — | 182.10K | 254.70K | 299.60K | 208.30K | 21.90K | 366.10K | 561.70K | 413.70K |
| Manulife Financial | — | — | 83.79K | 86.19K | 75.23K | 84.22K | 75.03K | 242.93K | 240.86K | 272.34K | 287.50K | 247.14K | 238.06K | 216.59K | 293.37K | 390.39K | 344.92K | 331.17K | 451.12K | 381.42K |
| Citadel Advisors | 1.50M | 1.46M | 1.33M | 1.06M | 315.31K | 294.08K | 570.82K | 289.98K | 46.50K | 252.05K | 362.81K | 229.15K | 105.25K | 374.98K | 344.95K | 120.73K | 591.55K | 2.66M | 2.37M | 347.63K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
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