Capital Research Global Investors
Position in ALNY — Alnylam Pharmaceuticals, Inc.
CIK 1422848
Los Angeles, CA
Position in ALNY
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$3,133,729,657
+$437,778,771 QoQ
Shares Held
9,471,181
+39.7% QoQ
Ownership
7.14%
of shares outstanding
% of Portfolio
0.50%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2022
14 quarters on record
Voting authority
Sole 99.83723254787338.ToString("F0")%
Shared 0.ToString("F0")%
None 0.16276745212661442.ToString("F0")%
Common Shares in ALNY Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Capital Research Global Investors holds $13,789,933,930 across 16 Biotechnology names. ALNY ranks #2 (22.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
21,125,964 | $9,433,587,964 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
This page
|
9,471,181 | $3,133,729,657 | |
| 3 | BMRN |
Biomarin Pharmaceutical Inc
|
3,491,386 | $197,228,395 | |
| 4 | IDYA |
IDEAYA Biosciences, Inc.
|
5,163,543 | $172,049,252 | |
| 5 | TECH |
BIO-TECHNE Corp
|
3,188,210 | $166,615,854 | |
| 6 | KYMR |
Kymera Therapeutics, Inc.
|
1,673,275 | $139,367,074 | |
| 7 | ADMA |
Adma Biologics, Inc.
|
11,191,116 | $100,831,955 | |
| 8 | RYTM |
Rhythm Pharmaceuticals, Inc.
|
1,115,460 | $97,011,556 |
All Filings in ALNY
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,133,729,657 | 9,471,181 | Shares | Defined | 2026-05-13 | |
| 2025-12-31 | $2,695,950,886 | 6,779,708 | Shares | Defined | 2026-02-11 | |
| 2025-09-30 | $3,293,615,040 | 7,222,840 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $2,345,127,105 | 7,191,656 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $1,931,919,654 | 7,154,728 | Shares | Defined | 2025-05-12 | |
| 2024-12-31 | $1,639,760,794 | 6,968,513 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $1,442,230,642 | 5,243,903 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $791,122,464 | 3,255,648 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $470,018,307 | 3,144,987 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $560,846,421 | 2,930,079 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $493,018,595 | 2,783,843 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $447,263,304 | 2,354,761 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $488,699,870 | 2,439,596 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $197,752,605 | 832,117 | Shares | Defined | 2023-02-14 | |
| No filing history on record for this holder in this stock. | ||||||