CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in ALEC — Alector, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in ALEC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,692,927
+$654,762 QoQ
Shares Held
787,408
+18.3% QoQ
Ownership
0.709%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ALEC Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $6,185,699,337 across 288 Biotechnology names. ALEC ranks #182 (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 ALEC
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,692,927 | 787,408 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $1,038,165 | 665,491 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $2,040,991 | 689,524 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $906,714 | 647,653 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $768,417 | 624,730 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $1,216,131 | 643,456 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $3,544,423 | 760,606 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $3,025,732 | 666,461 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $4,062,235 | 674,790 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $3,986,241 | 499,529 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $3,124,798 | 482,222 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $2,822,614 | 469,653 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $2,840,881 | 458,947 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $4,203,794 | 455,449 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $4,212,263 | 445,271 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $4,348,561 | 428,008 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $6,023,418 | 422,696 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $8,523,659 | 412,768 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $9,267,475 | 406,112 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $7,794,440 | 374,193 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $6,961,109 | 345,636 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $5,055,538 | 334,140 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $3,526,854 | 334,775 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $6,611,117 | 270,504 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $5,499,468 | 227,910 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||