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MILLENNIUM MANAGEMENT LLC

Position in ALNY — Alnylam Pharmaceuticals, Inc.

CIK 1273087 NEW YORK, NY

Position in ALNY

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$95,125,781
-$53,066,590 QoQ
Shares Held
316,001
-29.4% QoQ
Ownership
0.236%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#52
of 784 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ALNY Over Time

Shares Held

Position Value (USD)

Derivatives in ALNY

reported options exposure · as of Jun 30, 2026
CallValue
$12,944,290
CallShares
43,000
PutValue
$6,080,806
PutShares
20,200

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

MILLENNIUM MANAGEMENT LLC holds $4,596,585,112 across 322 Biotechnology names. ALNY ranks #9 (2.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ALNY

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $12,944,290 43,000
2026-06-30 $95,125,781 316,001
2026-06-30 $6,080,806 20,200
2026-03-31 $148,192,371 447,887
2026-03-31 $7,543,836 22,800
2026-03-31 $7,411,488 22,400
2025-12-31 $29,994,739 75,430
2025-12-31 $3,737,910 9,400
2025-12-31 $636,240 1,600
2025-09-30 $250,768,536 549,931
2025-09-30 $866,400 1,900
2025-09-30 $16,188,000 35,500
2025-06-30 $29,493,210 90,445
2025-06-30 $14,706,659 45,100
2025-06-30 $489,135 1,500
2025-03-31 $77,586,736 287,337
2025-03-31 $16,309,208 60,400
2025-03-31 $2,295,170 8,500
2024-12-31 $78,462,237 333,442
2024-12-31 $3,129,623 13,300
2024-12-31 $329,434 1,400
2024-09-30 $69,022,353 250,963
2024-09-30 $4,593,001 16,700
2024-09-30 $2,062,725 7,500
2024-06-30 $33,656,472 138,504
2024-03-31 $672,525 4,500
2024-03-31 $30,230,447 202,278
2024-03-31 $343,735 2,300
2023-12-31 $6,993,355 36,536
2023-12-31 $1,167,601 6,100
2023-09-30 $2,852,549 16,107
2023-09-30 $4,303,530 24,300
2023-09-30 $1,540,770 8,700
2023-06-30 $14,241,701 74,980
2023-06-30 $12,384,088 65,200
2023-06-30 $8,585,288 45,200
2023-03-31 $4,682,279 23,374
2022-12-31 $4,253,935 17,900
2022-09-30 $34,581,643 172,770
2022-06-30 $7,409,180 50,800
2022-06-30 $649,324 4,452
2022-03-31 $10,443,538 63,957
2021-12-31 $14,145,854 83,417
2021-12-31 $1,611,010 9,500
2021-12-31 $8,648,580 51,000
2021-09-30 $12,272,650 65,000
2021-09-30 $2,233,999 11,832
2021-06-30 $16,952,000 100,000
2021-06-30 $1,715,711 10,121
2021-03-31 $10,699,378 75,780