Rafferty Asset Management, LLC
Position in RARE — Ultragenyx Pharmaceutical Inc.
CIK 1389426
New York, NY
Position in RARE
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$3,465,779
-$146,624 QoQ
Shares Held
165,431
+5.3% QoQ
Ownership
0.168%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in RARE Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Rafferty Asset Management, LLC holds $408,627,656 across 136 Biotechnology names. RARE ranks #47 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
54,572 | $24,368,580 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
29,589 | $22,861,644 | |
| 3 | INSM |
INSMED Inc
|
116,069 | $18,979,602 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
50,553 | $16,726,471 | |
| 5 | APLS |
Apellis Pharmaceuticals, Inc.
|
180,471 | $7,260,348 | |
| 6 | MRNA |
Moderna, Inc.
|
114,194 | $5,801,055 | |
| 7 | INCY |
Incyte Corp
|
60,565 | $5,700,377 | |
| 8 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
10,452 | $5,471,308 |
All Filings in RARE
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,465,779 | 165,431 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $3,612,403 | 157,061 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $4,707,038 | 156,484 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $2,948,650 | 81,096 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $3,215,882 | 88,812 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $4,261,396 | 101,293 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $5,466,175 | 98,401 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $5,185,134 | 126,159 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $8,473,487 | 181,484 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $10,611,736 | 221,910 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $6,525,768 | 183,051 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $7,458,067 | 161,675 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $7,040,557 | 175,575 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $9,187,239 | 198,300 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $5,825,972 | 140,690 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $4,568,941 | 76,583 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $5,935,740 | 81,737 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $5,692,136 | 67,691 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $2,763,331 | 30,639 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $2,445,346 | 25,646 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $2,988,255 | 26,245 | Shares | Sole | 2021-05-10 | |
| 2020-12-31 | $890,520 | 6,433 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $2,208,691 | 26,873 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $1,097,661 | 14,033 | Shares | Sole | 2020-08-07 | |
| 2020-03-31 | $297,592 | 6,698 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||