CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in CRBU — Caribou Biosciences, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in CRBU
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,365,423
+$302,104 QoQ
Shares Held
775,809
+38.6% QoQ
Ownership
0.724%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#13
of 137 holders
Holding Since
Sep 2021
20 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CRBU Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $7,346,663,053 across 299 Biotechnology names. CRBU ranks #208 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
2,041,282 | $1,013,966,007 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
846,306 | $527,705,642 | |
| 3 | RVMD |
Revolution Medicines, Inc.
|
1,917,025 | $359,020,441 | |
| 4 | MRNA |
Moderna, Inc.
|
4,838,884 | $338,867,045 | |
| 5 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
755,377 | $227,391,137 | |
| 6 | INCY |
Incyte Corp
|
1,692,439 | $191,854,884 | |
| 7 | RPRX |
Royalty Pharma plc
|
3,083,528 | $172,893,414 | |
| 8 | CYTK |
Cytokinetics Inc
|
1,565,781 | $133,388,883 |
All Filings in CRBU
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,365,423 | 775,809 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $1,063,319 | 559,642 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $883,448 | 555,628 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $1,301,244 | 558,474 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $667,105 | 529,449 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $663,953 | 727,222 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $1,185,704 | 745,726 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $1,449,478 | 739,530 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,018,776 | 621,205 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $4,238,736 | 824,657 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $4,628,459 | 807,759 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $2,829,038 | 591,849 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $1,753,656 | 412,625 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $2,179,484 | 410,449 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $2,542,784 | 404,902 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $4,206,401 | 398,711 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,125,199 | 207,219 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,969,523 | 214,545 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $2,150,566 | 142,516 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $3,181,321 | 133,277 | Shares | Sole | 2021-11-16 | |
| No filing history on record for this holder in this stock. | ||||||