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BAILLIE GIFFORD & CO

Position in ALNY — Alnylam Pharmaceuticals, Inc.

CIK 1088875 EDINBURGH, X0

Position in ALNY

as of Mar 31, 2026 · filed May 8, 2026
Position Value
$825,145,441
-$209,133,856 QoQ
Shares Held
2,493,866
-4.1% QoQ
Ownership
1.88%
of shares outstanding
% of Portfolio
0.85%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 84.96214311434535.ToString("F0")% Shared 0.ToString("F0")% None 15.037856885654644.ToString("F0")%

Common Shares in ALNY Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

BAILLIE GIFFORD & CO holds $3,167,080,960 across 13 Biotechnology names. ALNY ranks #2 (26.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 ALNY
Alnylam Pharmaceuticals, Inc.
This page
2,493,866 $825,145,441

All Filings in ALNY

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $825,145,441 2,493,866
2025-12-31 $1,034,279,297 2,600,979
2025-09-30 $1,271,946,336 2,789,356
2025-06-30 $988,669,336 3,031,891
2025-03-31 $987,627,041 3,657,607
2024-12-31 $950,713,343 4,040,259
2024-09-30 $1,344,071,609 4,887,000
2024-06-30 $1,465,935,408 6,032,656
2024-03-31 $989,893,580 6,623,577
2023-12-31 $1,333,572,035 6,967,097
2023-09-30 $1,445,691,915 8,163,139
2023-06-30 $1,594,017,506 8,392,216
2023-03-31 $1,730,592,723 8,639,141
2022-12-31 $2,235,780,541 9,407,871
2022-09-30 $1,904,473,959 9,514,758
2022-06-30 $1,453,896,097 9,968,434
2022-03-31 $1,655,716,346 10,139,729
2021-12-31 $1,800,388,633 10,616,751
2021-09-30 $1,966,604,175 10,415,784
2021-06-30 $1,733,318,095 10,224,859
2021-03-31 $1,422,484,024 10,074,963
2020-12-31 $1,186,940,886 9,132,422
2020-09-30 $1,294,600,652 8,891,488
2020-06-30 $1,280,955,697 8,648,678
2020-03-31 $915,621,054 8,411,769