SEC 13F Intelligence

ALNYLAM PHARMACEUTICALS INC

CUSIP 02043Q907

Alnylam Pharmaceuticals Inc has 1 institutional holders in Filings Flow’s 13F database, together reporting 4.3K shares worth $1M as of Q1 2026. The largest reported holders are Garda Capital Partners LP, Imc-Chicago, LLC, and Simplex Trading, LLC.

Institutional Holders
1
Q1 2026
Reported Value
$1M
Ticker
unmapped
private placement or foreign
Quarters Tracked
1

Ownership Trend

Institutional holders
Q1 ’26: 1Q1 ’26filingsflow.com
Total reported value
Q1 ’26: $1MQ1 ’26filingsflow.com

Holders

··Mixed quarters
Manager% of PortfolioValueSharesQuarter
Garda Capital Partners LP$385M AUM0.24%$10M31.3KQ2 2025OLDER
IMC-Chicago, LLC$278.4B AUM0.00%$10M30.6KQ1 2026
SIMPLEX TRADING, LLC$149.1B AUM0.00%$6M16.9KQ1 2026
JPMORGAN CHASE & CO$1.56T AUM0.00%$4M12.0KQ1 2026
HRT FINANCIAL LP$40.1B AUM0.00%$1M4.3KQ1 2026
GROUP ONE TRADING LLC$52.2B AUM0.00%$264,696800Q1 2026
CONCOURSE FINANCIAL GROUP SECURITIES, INC.$0 AUM$00Q2 2025OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.