CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in CCCC — C4 Therapeutics, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in CCCC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$3,647,550
+$2,458,191 QoQ
Shares Held
781,060
+72.7% QoQ
Ownership
0.635%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#31
of 147 holders
Holding Since
Dec 2020
23 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CCCC 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. CCCC ranks #161 (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 CCCC
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,647,550 | 781,060 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $1,189,359 | 452,228 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $858,415 | 449,432 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $778,345 | 350,606 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $474,612 | 331,897 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $759,748 | 474,843 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $1,750,917 | 486,366 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $2,752,695 | 482,929 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $2,258,985 | 488,958 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $2,184,894 | 267,429 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $1,427,811 | 252,710 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $461,748 | 248,252 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $635,343 | 231,034 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $995,408 | 317,009 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $2,104,246 | 356,652 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $3,088,136 | 352,125 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,059,845 | 273,189 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $6,626,303 | 273,137 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $8,521,762 | 264,651 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $11,636,995 | 260,452 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $5,320,076 | 140,594 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $2,578,646 | 69,712 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $2,211,162 | 66,742 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||