Vanguard Personalized Indexing Management, LLC
Position in ALEC — Alector, Inc.
CIK 1767306
OAKLAND, CA
Position in ALEC
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$108,852
+$26,085 QoQ
Shares Held
50,629
-4.6% QoQ
Ownership
0.046%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority
Sole 80%
Shared 0%
None 20%
Common Shares in ALEC Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Vanguard Personalized Indexing Management, LLC holds $85,263,442 across 143 Biotechnology names. ALEC ranks #82 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
41,623 | $18,586,334 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
12,633 | $9,760,761 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
12,215 | $4,041,577 | |
| 4 | INCY |
Incyte Corp
|
32,067 | $3,018,146 | |
| 5 | ARGX |
Argenx SE
|
3,136 | $2,290,064 | |
| 6 | MRNA |
Moderna, Inc.
|
43,461 | $2,207,818 | |
| 7 | HALO |
Halozyme Therapeutics, Inc.
|
29,485 | $1,905,615 | |
| 8 | INSM |
INSMED Inc
|
11,210 | $1,833,059 |
All Filings in ALEC
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $108,852 | 50,629 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $82,767 | 53,056 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $172,627 | 58,320 | Shares | Sole | 2025-10-31 | |
| 2025-06-30 | $72,933 | 52,095 | Shares | Sole | 2025-07-25 | |
| 2025-03-31 | $42,957 | 34,925 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $24,770 | 13,106 | Shares | Sole | 2025-02-10 | |
| No filing history on record for this holder in this stock. | ||||||