CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in ALDX — Aldeyra Therapeutics, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in ALDX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$234,959
-$556,477 QoQ
Shares Held
139,029
-9.0% QoQ
Ownership
0.230%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ALDX 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.
| # | 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 ALDX
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $234,959 | 139,029 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $791,436 | 152,787 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $785,495 | 150,478 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $603,370 | 157,538 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $793,413 | 137,985 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $682,297 | 136,733 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $736,990 | 136,733 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $452,586 | 136,733 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $410,466 | 125,525 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $440,592 | 125,525 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $838,507 | 125,525 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $1,053,154 | 125,525 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $220,455 | 22,201 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $154,518 | 22,201 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $118,553 | 22,201 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $88,581 | 22,201 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $590,776 | 132,908 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $513,540 | 128,385 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $1,094,743 | 124,686 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $1,417,371 | 125,099 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $215,348 | 18,127 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $124,351 | 18,127 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $134,321 | 18,127 | Shares | Sole | 2020-11-13 | |
| 2020-03-31 | $130,127 | 52,683 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||