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Alnylam Pharmaceuticals, Inc. (ALNY)

-NasdaqGS

27.44 Up 0.23(0.85%) May 17, 4:00PM EDT|After Hours : 27.44 0.00 (0.00%) May 17, 4:32PM EDT

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Major HoldersGet Major Holders for:
Breakdown
% of Shares Held by All Insider and 5% Owners:16%
% of Shares Held by Institutional & Mutual Fund Owners:60%
% of Float Held by Institutional & Mutual Fund Owners:72%
Number of Institutions Holding Shares:123

Major Direct Holders (Forms 3 & 4)
HolderSharesReported
NOVARTIS AGN/A2012-09-19
SCHIMMEL PAUL252,1112012-02-20
MARAGANORE JOHN18,6172013-02-27
AUSIELLO DENNIS A13,1652012-04-19
SHARP PHILIP A14,2692013-01-21
Top Institutional Holders
HolderShares% OutValue*Reported
Vanguard Group, Inc. (The)2,856,7054.5969,617,9002013-03-31
UBS Global Asset Management (Americas) Inc2,616,9134.2163,774,1692013-03-31
BlackRock Fund Advisors1,849,5002.9745,072,3152013-03-31
Healthcor Management LP1,825,0002.9433,306,2502012-12-31
Capital World Investors1,700,0002.7331,025,0002012-12-31
State Street Corporation1,658,5602.6740,419,1072013-03-31
BlackRock Institutional Trust Company, N.A.1,512,6842.4336,864,1092013-03-31
Bridger Management LLC1,366,6482.2033,305,2112013-03-31
FMR LLC7,862,16012.65143,484,4202012-12-31
Deerfield Management1,221,4001.9629,765,5182013-03-31

Top Mutual Fund Holders
HolderShares% OutValue*Reported
Fidelity Growth Company Fund4,307,0586.93104,963,0032013-03-31
Smallcap World Fund1,700,0002.7341,429,0002013-03-31
Fidelity Select Portfolios - Biotechnology1,583,8032.5538,597,2792013-03-31
iShares Russell 2000 Index Fund882,6761.4221,510,8142013-03-31
Lord Abbett Developing Growth Fund835,3021.3420,155,8372013-01-31
Fidelity Dividend Growth Fund813,4001.3119,822,5582013-03-31
Vanguard Small-Cap Index Fund781,1031.2614,255,1292012-12-31
Prudential Jennison Health Sciences Fd654,6131.0515,952,9182013-03-31
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF653,7731.0515,932,4482013-03-31
Price (T.Rowe) Health Sciences Fund653,2001.0515,918,4842013-03-31

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Value shown is computed using the security's price on the report date given.

Currency in USD.