ALNY - Alnylam Pharmaceuticals, Inc.

NasdaqGS - NasdaqGS Real Time Price. Currency in USD

Major Holders

Currency in USD
Breakdown
10.78%% of Shares Held by All Insider
88.18%% of Shares Held by Institutions
98.83%% of Float Held by Institutions
433Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
FMR, LLC15,154,553Dec 30, 201814.26%1,104,918,459
Wellington Management Company, LLP14,066,227Dec 30, 201813.23%1,025,568,610
Vanguard Group, Inc. (The)8,219,334Dec 30, 20187.73%599,271,641
Blackrock Inc.6,145,805Dec 30, 20185.78%448,090,642
Baillie Gifford and Company4,746,850Dec 30, 20184.47%346,092,833
Dodge & Cox Inc4,690,251Dec 30, 20184.41%341,966,200
Price (T.Rowe) Associates Inc3,675,825Dec 30, 20183.46%268,004,400
Maverick Capital Ltd.2,803,951Dec 30, 20182.64%204,436,067
State Street Corporation2,404,735Dec 30, 20182.26%175,329,228
BB Biotech Ag1,571,389Dec 30, 20181.48%114,569,971

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard Specialized-Health Care Fund8,915,550Oct 30, 20188.39%717,077,686
Fidelity Growth Company Fund5,310,695Feb 27, 20195.00%451,409,075
Dodge & Cox Stock Fund2,813,861Sep 29, 20182.65%246,269,114
Vanguard Total Stock Market Index Fund2,296,986Sep 29, 20182.16%201,032,214
Vanguard Mid-Cap Index Fund2,125,508Sep 29, 20182.00%186,024,460
Fidelity Select Portfolios - Biotechnology1,485,678Feb 27, 20191.40%126,282,630
Fidelity Series Growth Company Fund1,434,178Feb 27, 20191.35%121,905,130
Hartford Mid Cap Fund1,221,965Oct 30, 20181.15%98,282,644
Vanguard Extended Market Index Fund1,170,657Sep 29, 20181.10%102,455,900
Price (T.Rowe) Mid Cap Growth Fund1,150,000Mar 30, 20191.08%107,467,500