Russell Investments Group, Ltd.
Position in RARE — Ultragenyx Pharmaceutical Inc.
CIK 1692234
Seattle, WA
Position in RARE
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$8,441,984
-$10,896,876 QoQ
Shares Held
402,959
-52.1% QoQ
Ownership
0.409%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
23 quarters on record
Voting authority
Sole 91.6902215858189.ToString("F0")%
Shared 0.ToString("F0")%
None 8.309778414181096.ToString("F0")%
Common Shares in RARE Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Russell Investments Group, Ltd. holds $1,223,802,944 across 266 Biotechnology names. RARE ranks #33 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | REGN |
Regeneron Pharmaceuticals, Inc.
|
228,086 | $176,228,356 | |
| 2 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
367,691 | $164,188,731 | |
| 3 | RPRX |
Royalty Pharma plc
|
1,397,958 | $67,060,041 | |
| 4 | INCY |
Incyte Corp
|
638,242 | $60,071,331 | |
| 5 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
147,533 | $48,814,236 | |
| 6 | MRNA |
Moderna, Inc.
|
710,640 | $36,100,509 | |
| 7 | BMRN |
Biomarin Pharmaceutical Inc
|
606,224 | $34,245,589 | |
| 8 | INSM |
INSMED Inc
|
169,162 | $27,661,365 |
All Filings in RARE
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $8,441,984 | 402,959 | Shares | Defined | 2026-05-08 | |
| 2025-12-31 | $19,338,860 | 840,820 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $25,280,762 | 840,451 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $4,370,286 | 120,195 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $3,759,393 | 103,822 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $2,910,694 | 69,187 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $4,922,339 | 88,611 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $6,413,775 | 156,053 | Shares | Defined | 2024-08-08 | |
| 2024-03-31 | $7,617,050 | 163,141 | Shares | Defined | 2024-05-08 | |
| 2023-12-31 | $9,593,406 | 200,615 | Shares | Defined | 2024-02-05 | |
| 2023-09-30 | $6,555,570 | 183,887 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $7,848,417 | 170,137 | Shares | Defined | 2023-08-10 | |
| 2023-03-31 | $7,307,701 | 182,237 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $5,079,712 | 109,642 | Shares | Defined | 2023-02-08 | |
| 2022-09-30 | $3,866,657 | 93,375 | Shares | Defined | 2022-11-04 | |
| 2022-03-31 | $242,913 | 3,345 | Shares | Defined | 2022-05-05 | |
| 2021-09-30 | $225,655 | 2,502 | Shares | Sole | 2021-11-08 | |
| 2021-06-30 | $1,774,271 | 18,608 | Shares | Defined | 2021-08-04 | |
| 2021-03-31 | $3,649,667 | 32,054 | Shares | Sole | 2021-05-10 | |
| 2020-12-31 | $5,470,751 | 39,520 | Shares | Sole | 2021-02-08 | |
| 2020-09-30 | $3,343,898 | 40,685 | Shares | Sole | 2020-11-09 | |
| 2020-06-30 | $2,651,187 | 33,894 | Shares | Defined | 2020-08-05 | |
| 2020-03-31 | $2,154,276 | 48,487 | Shares | Defined | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||