AQR CAPITAL MANAGEMENT LLC
Position in RARE — Ultragenyx Pharmaceutical Inc.
CIK 1167557
Greenwich, CT
Position in RARE
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$219,065,409
+$123,155,811 QoQ
Shares Held
6,560,809
+43.3% QoQ
Ownership
6.65%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#4
of 311 holders
Holding Since
Mar 2020
20 quarters on record
Voting authority
Sole 98%
Shared 0%
None 2%
Common Shares in RARE Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026AQR CAPITAL MANAGEMENT LLC holds $5,658,888,286 across 216 Biotechnology names. RARE ranks #12 (3.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | REGN |
Regeneron Pharmaceuticals, Inc.
|
1,126,080 | $702,155,918 | |
| 2 | INCY |
Incyte Corp
|
5,320,901 | $603,177,333 | |
| 3 | EXEL |
Exelixis, Inc.
|
11,023,943 | $599,812,735 | |
| 4 | JAZZ |
Jazz Pharmaceuticals plc
|
1,522,568 | $366,893,205 | |
| 5 | BMRN |
Biomarin Pharmaceutical Inc
|
5,699,541 | $326,127,732 | |
| 6 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
616,170 | $306,070,117 | |
| 7 | RVMD |
Revolution Medicines, Inc.
|
1,295,450 | $242,611,869 | |
| 8 | RPRX |
Royalty Pharma plc
|
4,305,412 | $241,404,446 |
All Filings in RARE
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $219,065,409 | 6,560,809 | Shares | Other | 2026-08-14 | |
| 2026-03-31 | $95,909,598 | 4,578,024 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $31,291,431 | 1,360,497 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $22,445,153 | 746,182 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $9,174,825 | 252,333 | Shares | Other | 2025-08-14 | |
| 2025-03-31 | $3,333,020 | 92,047 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $11,802,612 | 280,547 | Shares | Other | 2025-02-14 | |
| 2024-09-30 | $58,014,918 | 1,044,373 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $3,990,809 | 97,100 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $11,728,386 | 251,197 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $8,162,347 | 170,689 | Shares | Defined | 2024-02-14 | |
| 2023-03-31 | $1,440,031 | 35,911 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $737,295 | 15,914 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $423,293 | 10,222 | Shares | Defined | 2022-11-14 | |
| 2021-06-30 | $905,825 | 9,500 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $3,277,346 | 28,784 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $5,262,831 | 38,018 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $2,388,359 | 29,059 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $2,149,720 | 27,483 | Shares | Defined | 2020-08-17 | |
| 2020-03-31 | $1,050,636 | 23,647 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||