ALNYLAM PHARMACEUTICALS, INC. - COMMON STOCK (ALNY)

Q1 2015 13F Holders as of 31 Mar 2015

Type / Class
Equity / COMMON STOCK
Shares outstanding
131,516,365
Total 13F shares
64,445,072
Share change
+6,394,170
Total reported value
$6,728,411,619
Put/Call ratio
131%
Price per share
$104.42
Number of holders
233
Value change
+$670,803,131
Number of buys
147
Number of sells
79

Institutional Holders of ALNYLAM PHARMACEUTICALS, INC. - COMMON STOCK (ALNY) as of Q1 2015

As of 31 Mar 2015, ALNYLAM PHARMACEUTICALS, INC. - COMMON STOCK (ALNY) was held by 233 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 64,445,072 shares. The largest 10 holders included FMR LLC, WELLINGTON MANAGEMENT GROUP LLP, VANGUARD GROUP INC, Capital World Investors, UBS GLOBAL ASSET MANAGEMENT AMERICAS INC, BlackRock Institutional Trust Company, N.A., GILDER GAGNON HOWE & CO LLC, BlackRock Fund Advisors, MORGAN STANLEY, and PRICE T ROWE ASSOCIATES INC /MD/. This page lists 233 institutional shareholders reporting positions in this security for the Q1 2015 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.