CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in ALT — Altimmune, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in ALT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,083,177
+$59,132 QoQ
Shares Held
351,681
+24.0% QoQ
Ownership
0.181%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
23 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ALT Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $6,181,979,796 across 287 Biotechnology names. ALT ranks #199 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
1,920,871 | $857,745,736 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
804,508 | $621,595,061 | |
| 3 | MRNA |
Moderna, Inc.
|
4,734,356 | $240,505,284 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
673,356 | $222,793,299 | |
| 5 | INSM |
INSMED Inc
|
1,069,390 | $174,866,652 | |
| 6 | RVMD |
Revolution Medicines, Inc.
|
1,735,476 | $168,775,041 | |
| 7 | INCY |
Incyte Corp
|
1,729,102 | $162,743,080 | |
| 8 | BBIO |
BridgeBio Pharma, Inc.
|
1,976,094 | $146,744,740 |
All Filings in ALT
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,083,177 | 351,681 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $1,024,045 | 283,669 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $770,772 | 204,449 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $903,668 | 233,506 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $1,059,395 | 211,879 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $1,527,647 | 211,879 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $1,299,383 | 211,626 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,375,579 | 206,854 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $1,452,736 | 142,705 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $1,605,431 | 142,705 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $346,827 | 133,395 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $470,884 | 133,395 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $86,071 | 20,396 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $284,157 | 17,274 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $220,588 | 17,274 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $202,105 | 17,274 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $634,711 | 104,222 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $923,511 | 100,820 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $1,111,264 | 98,255 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $2,093,617 | 212,550 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $1,928,660 | 136,494 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $1,370,756 | 121,521 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $1,568,120 | 118,797 | Shares | Sole | 2020-11-13 | |
| No filing history on record for this holder in this stock. | ||||||