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SIMPLEX TRADING, LLC

Position in ALNY — Alnylam Pharmaceuticals, Inc.

CIK 1488542 CHICAGO, IL

Position in ALNY

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$3,482,014
+$1,671,800 QoQ
Shares Held
11,567
+72.5% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#259
of 764 holders
Holding Since
Mar 2020
16 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ALNY Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $82,554,796 across 183 Biotechnology names. ALNY ranks #6 (4.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 ALNY
Alnylam Pharmaceuticals, Inc.
This page
11,567 $3,482,014

All Filings in ALNY

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16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,482,014 11,567
2025-03-31 $1,810,214 6,704
2024-12-31 $1,136,311 4,829
2024-06-30 $2,139,129 8,803
2023-12-31 $558,151 2,916
2023-09-30 $1,212,249 6,845
2023-03-31 $2,748,991 13,723
2022-12-31 $2,109,619 8,877
2022-09-30 $1,801 9
2022-06-30 $157,080 1,077
2021-09-30 $3,019,260 15,991
2021-06-30 $2,590,943 15,284
2021-03-31 $2,031,159 14,386
2020-12-31 $1,049,507 8,075
2020-09-30 $39,166 269
2020-03-31 $1,575,059 14,470