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Rock Springs Capital Management LP
> RARE
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Ultragenyx Pharmaceutical Inc. | RARE | 1,384,269 | 47,868 | 63,856,329,000 | 10,266,649,000 | $46,130.00 |
| 03/31/2023 | Ultragenyx Pharmaceutical Inc. | RARE | 1,336,401 | 46,122 | 53,589,680,000 | -6,188,946,000 | $40,100.00 |
| 12/31/2022 | Ultragenyx Pharmaceutical Inc. | RARE | 1,290,279 | 102,287 | 59,778,626,000 | 59,729,431,000 | $46,330.00 |
| 09/30/2022 | Ultragenyx Pharmaceutical Inc. | RARE | 1,187,992 | 94,962 | 49,195,000 | -16,015,000 | $41.41 |
| 06/30/2022 | Ultragenyx Pharmaceutical Inc. | RARE | 1,093,030 | 64,921 | 65,210,000 | -9,451,000 | $59.66 |
| 03/31/2022 | Ultragenyx Pharmaceutical Inc. | RARE | 1,028,109 | 144,188 | 74,661,000 | 332,000 | $72.62 |
| 12/31/2021 | Ultragenyx Pharmaceutical Inc. | RARE | 883,921 | 82,812 | 74,329,000 | 2,077,000 | $84.09 |
| 09/30/2021 | Ultragenyx Pharmaceutical Inc. | RARE | 801,109 | 336,109 | 72,252,000 | 27,914,000 | $90.19 |
| 06/30/2021 | Ultragenyx Pharmaceutical Inc. | RARE | 465,000 | 15,000 | 44,338,000 | -6,899,000 | $95.35 |
| 03/31/2021 | Ultragenyx Pharmaceutical Inc. | RARE | 450,000 | -116,500 | 51,237,000 | -27,184,000 | $113.86 |
| 12/31/2020 | Ultragenyx Pharmaceutical Inc. | RARE | 566,500 | -10,341 | 78,421,000 | 31,010,000 | $138.43 |
| 09/30/2020 | Ultragenyx Pharmaceutical Inc. | RARE | 576,841 | -70,000 | 47,411,000 | -3,185,000 | $82.19 |
| 06/30/2020 | Ultragenyx Pharmaceutical Inc. | RARE | 646,841 | -100,959 | 50,596,000 | 17,371,000 | $78.22 |
| 03/31/2020 | Ultragenyx Pharmaceutical Inc. | RARE | 747,800 | 47,800 | 33,225,000 | 3,328,000 | $44.43 |
| 12/31/2019 | Ultragenyx Pharmaceutical Inc. | RARE | 700,000 | 92,000 | 29,897,000 | 3,887,000 | $42.71 |
| 09/30/2019 | Ultragenyx Pharmaceutical Inc. | RARE | 608,000 | 28,000 | 26,010,000 | -10,820,000 | $42.78 |
| 06/30/2019 | Ultragenyx Pharmaceutical Inc. | RARE | 580,000 | 0 | 36,830,000 | -3,399,000 | $63.50 |
| 03/31/2019 | Ultragenyx Pharmaceutical Inc. | RARE | 580,000 | 155,000 | 40,229,000 | 21,750,000 | $69.36 |
| 12/31/2018 | Ultragenyx Pharmaceutical Inc. | RARE | 425,000 | 225,000 | 18,479,000 | 3,211,000 | $43.48 |
| 09/30/2018 | Ultragenyx Pharmaceutical Inc. | RARE | 200,000 | 0 | 15,268,000 | -106,000 | $76.34 |
| 06/30/2018 | Ultragenyx Pharmaceutical Inc. | RARE | 200,000 | 27,000 | 15,374,000 | 6,553,000 | $76.87 |
| 03/31/2018 | Ultragenyx Pharmaceutical Inc. | RARE | 173,000 | 10,000 | 8,821,000 | 1,261,000 | $50.99 |
| 12/31/2017 | Ultragenyx Pharmaceutical Inc. | RARE | 163,000 | 0 | 7,560,000 | -1,121,000 | $46.38 |
| 09/30/2017 | Ultragenyx Pharmaceutical Inc. | RARE | 163,000 | 2,500 | 8,681,000 | -1,288,000 | $53.26 |
| 06/30/2017 | Ultragenyx Pharmaceutical Inc. | RARE | 160,500 | 750 | 9,969,000 | -859,000 | $62.11 |
| 03/31/2017 | Ultragenyx Pharmaceutical Inc. | RARE | 159,750 | 0 | 10,828,000 | -404,000 | $67.78 |
| 12/31/2016 | Ultragenyx Pharmaceutical Inc. | RARE | 159,750 | 12,750 | 11,232,000 | 804,000 | $70.31 |
| 09/30/2016 | Ultragenyx Pharmaceutical Inc. | RARE | 147,000 | 5,500 | 10,428,000 | 3,507,000 | $70.94 |
| 06/30/2016 | Ultragenyx Pharmaceutical Inc. | RARE | 141,500 | 23,000 | 6,921,000 | -581,000 | $48.91 |
| 03/31/2016 | Ultragenyx Pharmaceutical Inc. | RARE | 118,500 | 13,000 | 7,502,000 | -4,333,000 | $63.31 |
| 12/31/2015 | Ultragenyx Pharmaceutical Inc. | RARE | 105,500 | -1,500 | 11,835,000 | 1,530,000 | $112.18 |
| 09/30/2015 | Ultragenyx Pharmaceutical Inc. | RARE | 107,000 | 107,000 | 10,305,000 | 10,305,000 | $96.31 |
| 06/30/2015 | Ultragenyx Pharmaceutical Inc. | RARE | 92,000 | 92,000 | 9,420,000 | 9,420,000 | $102.39 |
| 03/31/2015 | Ultragenyx Pharmaceutical Inc. | RARE | 92,000 | 92,000 | 5,712,000 | 5,712,000 | $62.09 |
| 12/31/2014 | Ultragenyx Pharmaceutical Inc. | RARE | 71,000 | 71,000 | 3,115,000 | 3,115,000 | $43.87 |
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