UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Position in RARE — Ultragenyx Pharmaceutical Inc.
CIK 861177
NEW YORK, NY
Position in RARE
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$4,672,851
-$21,610 QoQ
Shares Held
223,048
+9.3% QoQ
Ownership
0.226%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 27.757254043972594.ToString("F0")%
Shared 0.ToString("F0")%
None 72.24274595602739.ToString("F0")%
Common Shares in RARE Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC holds $4,287,037,771 across 211 Biotechnology names. RARE ranks #67 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
3,057,396 | $1,365,249,602 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
723,621 | $559,098,523 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
677,519 | $224,170,706 | |
| 4 | INSM |
INSMED Inc
|
1,215,025 | $198,680,883 | |
| 5 | RPRX |
Royalty Pharma plc
|
3,095,766 | $148,503,890 | |
| 6 | INCY |
Incyte Corp
|
1,540,913 | $145,030,725 | |
| 7 | IONS |
Ionis Pharmaceuticals Inc
|
1,475,632 | $110,805,201 | |
| 8 | DNLI |
Denali Therapeutics Inc.
|
4,432,314 | $85,100,425 |
All Filings in RARE
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,672,851 | 223,048 | Shares | Defined | 2026-05-13 | |
| 2025-12-31 | $4,694,461 | 204,107 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $6,227,818 | 207,042 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $10,942,974 | 300,962 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $8,413,751 | 232,360 | Shares | Defined | 2025-05-19 | |
| 2024-12-31 | $8,513,954 | 202,376 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $9,874,344 | 177,756 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $7,266,846 | 176,809 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $6,081,836 | 130,260 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $5,652,608 | 118,206 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $4,082,672 | 114,521 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $4,888,255 | 105,967 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $4,249,274 | 105,967 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $5,648,504 | 121,919 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $4,084,555 | 98,637 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $6,841,566 | 114,676 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $8,364,587 | 115,183 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $8,704,490 | 103,514 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $8,361,781 | 92,713 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $9,084,086 | 95,271 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $8,256,783 | 72,517 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $9,468,747 | 68,401 | Shares | Defined | 2021-03-01 | |
| 2020-09-30 | $5,369,881 | 65,335 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $4,700,863 | 60,098 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $2,683,924 | 60,408 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||