CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in GOSS — Gossamer Bio, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in GOSS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$163,766
-$333,049 QoQ
Shares Held
992,527
-34.3% QoQ
Ownership
0.203%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#41
of 168 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in GOSS 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. GOSS ranks #286 (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 GOSS
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $163,766 | 992,527 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $496,815 | 1,510,076 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $5,225,911 | 1,685,778 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $4,548,937 | 1,729,634 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $1,994,345 | 1,621,419 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $1,252,841 | 1,138,947 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $1,123,990 | 1,241,979 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $1,210,883 | 1,228,077 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,136,698 | 1,261,597 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $1,478,261 | 1,252,764 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $1,113,703 | 1,219,829 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $900,174 | 1,080,642 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $514,566 | 428,805 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $582,998 | 462,697 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $1,176,259 | 542,055 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $6,351,616 | 530,185 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $3,326,480 | 397,429 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $3,537,577 | 407,555 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $4,416,611 | 390,505 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $4,808,867 | 382,567 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $2,942,119 | 362,330 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $2,960,000 | 320,000 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $3,260,869 | 337,215 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $4,177,317 | 336,609 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $4,237,922 | 325,994 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $2,510,166 | 247,307 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||