HORIZON KINETICS ASSET MANAGEMENT LLC
Position in ALNY — Alnylam Pharmaceuticals, Inc.
CIK 1056823
NEW YORK, NY
Position in ALNY
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$751,736
-$193,080 QoQ
Shares Held
2,272
-4.4% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
24 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ALNY Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026HORIZON KINETICS ASSET MANAGEMENT LLC holds $19,937,430 across 14 Biotechnology names. ALNY ranks #3 (3.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RPRX |
Royalty Pharma plc
|
340,783 | $16,347,360 | |
| 2 | IONS |
Ionis Pharmaceuticals Inc
|
11,428 | $858,128 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
This page
|
2,272 | $751,736 | |
| 4 | REGN |
Regeneron Pharmaceuticals, Inc.
|
675 | $521,532 | |
| 5 | CRSP |
CRISPR Therapeutics AG
|
9,796 | $465,995 | |
| 6 | BEAM |
Beam Therapeutics Inc.
|
8,791 | $209,489 | |
| 7 | NTLA |
Intellia Therapeutics, Inc.
|
13,188 | $169,070 | |
| 8 | VNDA |
Vanda Pharmaceuticals Inc.
|
23,736 | $164,015 |
All Filings in ALNY
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $751,736 | 2,272 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $944,816 | 2,376 | Shares | Defined | 2026-02-11 | |
| 2025-09-30 | $1,130,880 | 2,480 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $899,682 | 2,759 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $777,657 | 2,880 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $677,692 | 2,880 | Shares | Defined | 2025-02-10 | |
| 2024-09-30 | $758,807 | 2,759 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $699,840 | 2,880 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $430,416 | 2,880 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $551,260 | 2,880 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $531,300 | 3,000 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $569,820 | 3,000 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $600,960 | 3,000 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $712,950 | 3,000 | Shares | Defined | 2023-02-09 | |
| 2022-09-30 | $600,480 | 3,000 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $437,550 | 3,000 | Shares | Defined | 2022-08-05 | |
| 2022-03-31 | $489,870 | 3,000 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $508,740 | 3,000 | Shares | Defined | 2022-02-15 | |
| 2021-09-30 | $566,430 | 3,000 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $508,560 | 3,000 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $423,570 | 3,000 | Shares | Defined | 2021-05-11 | |
| 2020-12-31 | $389,910 | 3,000 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $436,800 | 3,000 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $444,330 | 3,000 | Shares | Defined | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||