Alnylam

Ownership Profile


Shareholder Breakdown
  Holders Values ($) % O/S Shares
Institution 357 8,114.90 113.08 103,736,603
Mutual Fund 508 4,890.95 61.79 56,678,869
Institutional Shareholder Rotation
  Holders Values Change ($) % O/S Shares Change
Buyers 180 808.28 11.23 10,305,472
Sellers 124 -393.75 5.38 -4,934,976
Net -- 414.53 5.85 5,370,496
Institutional Shareholder Concentration
  Values ($) % O/S Shares
Top 10 Inst. 5,612 78.31 71,834,233
Top 20 Inst. 6,551.65 91.15 83,614,856
Top 50 Inst. 7,459.13 104.06 95,457,918
Total Inst. 7,459.13 104.06 95,457,918
Institutional Shareholder Style
  Holders Values ($) % O/S Shares
Index 35 1,242 16.97 15,566,965
AggresGr 4 11 0.15 139,725
CoreGrowth 62 711 7.80 7,159,360
Growth 19 117 1.64 1,506,000
IncomeValue 3 64 0.88 805,376
Yield 4 1 0.02 15,767
BrokerDealer 18 167 2.28 2,093,962
GARP 37 1,830 25.03 22,963,017
HedgeFund 40 760 10.39 9,534,068
SectorSpecific 1 51 0.70 639,200
Specialty 2 5 0.07 61,823
VCPrivateEquity 1 0 0.00 2,980
CoreValue 42 1,189 16.56 15,195,267
DeepValue 11 807 11.05 10,136,068
Momentum 1 0 0.00 3,343
Top Holders: Institutional Investor
  Shares Held % O/S Shares Change Filing Date
Fidelity Management & Research Company 13,623,153 14.85 796,170 06/30/2017
Wellington Management Company, LLP 11,869,048 12.94 -172,131 06/30/2017
Sanofi SA 10,554,134 11.51 297,501 05/31/2017
Dodge & Cox 9,185,820 10.01 -213,425 06/30/2017
T. Rowe Price Associates, Inc. 6,668,603 7.27 2,500,634 06/30/2017
The Vanguard Group, Inc. 6,419,508 7.00 759,295 06/30/2017
BlackRock Institutional Trust Company, N.A. 4,369,083 4.76 306,624 06/30/2017
Eastern Capital, Ltd. 3,802,341 4.14 -1,126,775 02/25/2016
Baillie Gifford & Co. 3,405,392 3.71 -25,924 09/30/2017
State Street Global Advisors (US) 1,937,151 2.11 -229,081 06/30/2017
Perceptive Advisors LLC 1,832,761 2.00 729,286 06/30/2017
Goldman Sachs & Company, Inc. 1,430,812 1.56 120,821 06/30/2017
Blue Ridge Capital, L.L.C. 1,376,700 1.50 -213,300 06/30/2017
Bellevue Asset Management AG 1,346,367 1.47 -36,871 06/30/2017
Gilder Gagnon Howe & Co. LLC 1,185,380 1.29 -20,669 06/30/2017
Slate Path Capital LP 1,135,000 1.24 -865,000 06/30/2017
RTW Investments, LLC 1,040,607 1.13 -51,909 06/30/2017
Morgan Stanley Investment Management Inc. (US) 937,808 1.02 299,982 06/30/2017
Bridger Management, LLC 759,127 0.83 32,036 06/30/2017
UBS Asset Management (Switzerland) 736,061 0.80 -110,002 06/30/2017
D. E. Shaw & Co., L.P. 733,650 0.80 238,256 06/30/2017
12 West Capital Management, L.P. 700,000 0.76 0 06/30/2017
Janus Henderson Investors 667,333 0.73 17,934 06/30/2017
Norges Bank Investment Management (NBIM) 664,663 0.72 203,902 12/31/2016
Geode Capital Management, L.L.C. 662,405 0.72 85,608 06/30/2017
OrbiMed Advisors, LLC 639,200 0.70 557,000 06/30/2017
First Trust Advisors L.P. 626,331 0.68 -67,853 06/30/2017
Nuveen LLC 593,531 0.65 387,655 06/30/2017
ArrowMark Colorado Holdings, LLC 538,289 0.59 -67,854 06/30/2017
BlackRock Financial Management, Inc. 519,266 0.57 109,590 06/30/2017
UBS Asset Management (Americas), Inc. 471,742 0.51 -118,759 06/30/2017
Pictet Asset Management Ltd. 454,896 0.50 -108,875 06/30/2017
Northern Trust Investments, Inc. 341,897 0.37 18,812 06/30/2017
Rockefeller Financial 323,364 0.35 -8,694 09/30/2017
Schimmel (Paul R Ph.D.) 306,996 0.33 0 01/31/2017
PDT Partners, LLC 295,100 0.32 295,100 06/30/2017
Mitsubishi UFJ Trust and Banking Corporation 283,067 0.31 -3,000 06/30/2017
Great Point Partners, LLC 276,800 0.30 265,283 06/30/2017
Artal International S.C.A. 275,000 0.30 -25,000 06/30/2017
683 Capital Management LLC 270,000 0.29 0 06/30/2017
Sharp (Philip A. Ph.D.) 266,899 0.29 0 02/01/2017
Charles Schwab Investment Management, Inc. 243,415 0.27 60,906 06/30/2017
UBS Asset Management (UK) Ltd. 240,712 0.26 -53,805 06/30/2017
Analytic Investors, LLC 239,194 0.26 -64,224 06/30/2017
Ziff Brothers Investments, L.L.C. 219,602 0.24 -113,964 09/30/2016
New York State Common Retirement Fund 202,988 0.22 -10,263 06/30/2017
Farallon Capital Management, L.L.C. 200,000 0.22 200,000 06/30/2017
Peregrine Capital Management, LLC 199,088 0.22 -22,821 06/30/2017
BlackRock Investment Management (UK) Ltd. 194,614 0.21 20,986 06/30/2017
Principal Funds, Inc. 193,020 0.21 105,531 08/31/2017

Ownership data is provided by Thomson Reuters, a third party service, and Alnylam Pharmaceuticals, Inc. does not maintain or provide information directly to this service.