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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, 2026

HORIZON 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
3 ALNY
Alnylam Pharmaceuticals, Inc.
This page
2,272 $751,736

All Filings in ALNY

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24 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $751,736 2,272
2025-12-31 $944,816 2,376
2025-09-30 $1,130,880 2,480
2025-06-30 $899,682 2,759
2025-03-31 $777,657 2,880
2024-12-31 $677,692 2,880
2024-09-30 $758,807 2,759
2024-06-30 $699,840 2,880
2024-03-31 $430,416 2,880
2023-12-31 $551,260 2,880
2023-09-30 $531,300 3,000
2023-06-30 $569,820 3,000
2023-03-31 $600,960 3,000
2022-12-31 $712,950 3,000
2022-09-30 $600,480 3,000
2022-06-30 $437,550 3,000
2022-03-31 $489,870 3,000
2021-12-31 $508,740 3,000
2021-09-30 $566,430 3,000
2021-06-30 $508,560 3,000
2021-03-31 $423,570 3,000
2020-12-31 $389,910 3,000
2020-09-30 $436,800 3,000
2020-06-30 $444,330 3,000