CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in CTMX — CytomX Therapeutics, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in CTMX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$2,062,031
+$1,456,690 QoQ
Shares Held
549,875
+326.9% QoQ
Ownership
0.252%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#39
of 178 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CTMX 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. CTMX ranks #181 (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 CTMX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,062,031 | 549,875 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $605,341 | 128,796 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $292,606 | 68,687 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $282,538 | 88,570 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $201,053 | 88,570 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $15,821 | 24,877 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $25,561 | 24,817 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $29,284 | 24,817 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $30,276 | 24,817 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $54,101 | 24,817 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $38,466 | 24,817 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $32,013 | 24,817 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $42,685 | 24,817 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $37,473 | 24,817 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $67,553 | 42,221 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $61,220 | 42,221 | Shares | Sole | 2022-11-14 | |
| 2022-03-31 | $446,365 | 167,178 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $710,180 | 164,014 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $836,073 | 164,258 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $3,227,850 | 509,929 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $3,814,824 | 493,509 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $2,322,911 | 354,643 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $2,149,559 | 323,242 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $2,727,275 | 327,404 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $2,173,087 | 283,323 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||