ALNY - Alnylam Pharmaceuticals, Inc.

NasdaqGS - NasdaqGS Delayed Price. Currency in USD

Major Holders

Currency in USD
Breakdown
11.65%% of Shares Held by All Insider
93.77%% of Shares Held by Institutions
106.13%% of Float Held by Institutions
351Number of Institutions Holding Shares
Direct Holders (Forms 3 and 4)
NameSharesDate Reported
MARAGANORE JOHN151,297Dec 18, 2017
SHARP PHILIP A140,795Jan 31, 2017
GREENE BARRY E100,428Oct 1, 2017
KEATING LAURIE14,500Dec 28, 2017
VAISHNAW AKSHAY11,215Dec 18, 2017
GROS DAVID-ALEXANDRE C1,000Feb 21, 2016

Top Institutional Holders

HolderSharesDate Reported% OutValue
FMR, LLC13,760,005Sep 29, 201713.88%1,561,210,154
Wellington Management Company, LLP11,301,317Sep 29, 201711.40%1,282,247,416
Dodge & Cox Inc9,141,495Sep 29, 20179.22%1,037,194,014
Price (T.Rowe) Associates Inc8,564,883Sep 29, 20178.64%971,771,617
Vanguard Group, Inc. (The)6,492,898Sep 29, 20176.55%736,684,201
Blackrock Inc.6,111,697Sep 29, 20176.16%693,433,136
Baillie Gifford and Company3,405,392Sep 29, 20173.43%386,375,773
State Street Corporation2,043,321Sep 29, 20172.06%231,835,198
Goldman Sachs Group, Inc.1,793,751Sep 29, 20171.81%203,518,986
Perceptive Advisors LLC1,788,802Sep 29, 20171.80%202,957,473

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard Specialized-Health Care Fund8,549,357Apr 29, 20178.62%451,149,572
Dodge & Cox Stock Fund5,500,735Jun 29, 20175.55%439,123,685
Fidelity Growth Company Fund4,891,670Sep 29, 20174.93%555,008,873
Vanguard Small-Cap Index Fund1,904,777Jun 29, 20171.92%152,058,351
Vanguard Total Stock Market Index Fund1,886,133Jun 29, 20171.90%150,570,000
Fidelity Select Portfolios - Biotechnology1,811,378Sep 29, 20171.83%205,518,946
Price (T.Rowe) Mid Cap Growth Fund1,621,744Sep 29, 20171.64%184,003,072
iShares NASDAQ Biotechnology ETF1,398,972Sep 29, 20171.41%158,727,361
Price (T.Rowe) Health Sciences Fund1,378,167Sep 29, 20171.39%156,366,826
Fidelity Series Growth Company Fund1,361,023Sep 29, 20171.37%154,421,668