Russell Investments Group, Ltd.
Position in CRBU — Caribou Biosciences, Inc.
CIK 1692234
Seattle, WA
Position in CRBU
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$52,363
+$13,653 QoQ
Shares Held
27,560
+13.2% QoQ
Ownership
0.028%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#73
of 137 holders
Holding Since
Sep 2022
12 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in CRBU Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Russell Investments Group, Ltd. holds $1,224,022,354 across 265 Biotechnology names. CRBU ranks #192 (0.0% 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 CRBU
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $52,363 | 27,560 | Shares | Other | 2026-05-08 | |
| 2025-12-31 | $38,710 | 24,347 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $31,507 | 13,523 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $28,439 | 22,572 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $21,618 | 23,680 | Shares | Other | 2025-05-13 | |
| 2024-12-31 | $38,015 | 23,909 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $4,886 | 2,493 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $3,027 | 1,846 | Shares | Defined | 2024-08-08 | |
| 2023-06-30 | $7,293 | 1,716 | Shares | Defined | 2023-08-10 | |
| 2023-03-31 | $9,111 | 1,716 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $10,776 | 1,716 | Shares | Defined | 2023-02-08 | |
| 2022-09-30 | $18,103 | 1,716 | Shares | Defined | 2022-11-04 | |
| No filing history on record for this holder in this stock. | ||||||