CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in PHAT — Phathom Pharmaceuticals, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in PHAT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$4,547,169
+$3,013 QoQ
Shares Held
419,094
+2.5% QoQ
Ownership
0.518%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#30
of 161 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PHAT Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $7,402,603,842 across 299 Biotechnology names. PHAT ranks #146 (0.1% 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 PHAT
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,547,169 | 419,094 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $4,544,156 | 409,015 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $6,601,326 | 397,910 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $4,306,690 | 365,904 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $3,453,934 | 360,160 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $2,182,179 | 348,035 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $2,866,668 | 353,038 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $5,294,908 | 292,860 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $2,944,461 | 285,870 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $2,808,926 | 264,494 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $2,396,844 | 262,524 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $2,558,081 | 246,681 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $2,561,418 | 178,870 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $1,225,273 | 171,607 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $1,943,909 | 173,254 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $1,736,014 | 156,680 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,011,230 | 119,814 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,717,405 | 126,187 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $2,425,291 | 123,299 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $3,879,959 | 120,871 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $3,626,012 | 107,120 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $3,277,335 | 87,256 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $2,521,331 | 75,898 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $2,779,109 | 75,787 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $2,687,693 | 81,668 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $1,771,329 | 68,603 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||