Vanguard Personalized Indexing Management, LLC
Position in ALNY — Alnylam Pharmaceuticals, Inc.
CIK 1767306
OAKLAND, CA
Position in ALNY
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$4,041,577
-$1,416,964 QoQ
Shares Held
12,215
-11.0% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
20 quarters on record
Voting authority
Sole 80.38477282030291.ToString("F0")%
Shared 0.ToString("F0")%
None 19.615227179697094.ToString("F0")%
Common Shares in ALNY Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Vanguard Personalized Indexing Management, LLC holds $85,263,069 across 142 Biotechnology names. ALNY ranks #3 (4.7% 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.
This page
|
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 ALNY
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,041,577 | 12,215 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $5,458,541 | 13,727 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $6,377,160 | 13,985 | Shares | Sole | 2025-10-31 | |
| 2025-06-30 | $4,366,345 | 13,390 | Shares | Sole | 2025-07-25 | |
| 2025-03-31 | $2,453,941 | 9,088 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $2,017,547 | 8,574 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $2,469,219 | 8,978 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,738,179 | 7,153 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $909,552 | 6,086 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $1,223,109 | 6,390 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $1,015,668 | 5,735 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $1,207,638 | 6,358 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $1,261,815 | 6,299 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $1,566,588 | 6,592 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $1,174,138 | 5,866 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $651,657 | 4,468 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $684,674 | 4,193 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $489,916 | 2,889 | Shares | Sole | 2022-02-23 | |
| 2021-09-30 | $462,773 | 2,451 | Shares | Sole | 2021-11-09 | |
| 2021-06-30 | $377,860 | 2,229 | Shares | Sole | 2021-08-11 | |
| No filing history on record for this holder in this stock. | ||||||