Alnylam

Ownership Profile


Shareholder Breakdown
  Holders Values ($) % O/S Shares
Institution 348 3,801.33 112.93 97,177,946
Mutual Fund 539 2,379.97 60.05 51,672,087
Institutional Shareholder Rotation
  Holders Values Change ($) % O/S Shares Change
Buyers 171 435.39 12.72 10,944,027
Sellers 203 -277.43 8.48 -7,296,280
Net -- 157.95 4.24 3,647,747
Institutional Shareholder Concentration
  Values ($) % O/S Shares
Top 10 Inst. 2,631 78.35 67,426,188
Top 20 Inst. 3,041.80 90.47 77,855,532
Top 50 Inst. 3,457.49 102.93 88,576,314
Total Inst. 3,457.49 102.93 88,576,314
Institutional Shareholder Style
  Holders Values ($) % O/S Shares
Index 36 555 17.17 14,778,953
AggresGr 2 10 0.30 255,310
CoreGrowth 64 214 6.42 5,528,192
Growth 20 80 2.46 2,114,118
IncomeValue 4 53 1.65 1,417,832
Yield 4 4 0.13 108,404
BrokerDealer 19 72 2.22 1,914,462
GARP 33 708 21.86 18,807,322
HedgeFund 41 275 8.25 7,102,304
Specialty 3 3 0.10 82,531
CoreValue 39 589 18.16 15,625,240
DeepValue 11 385 11.92 10,253,478
Momentum 1 0 0.00 3,562
Top Holders: Institutional Investor
  Shares Held % O/S Shares Change Filing Date
Fidelity Management & Research Company 12,794,480 14.87 -11,715 12/31/2016
Wellington Management Company, LLP 12,009,971 13.96 12,492 12/31/2016
Sanofi SA 10,256,633 11.92 0 01/31/2017
Dodge & Cox 9,204,950 10.70 3,928,882 12/31/2016
The Vanguard Group, Inc. 5,459,323 6.34 41,374 12/31/2016
T. Rowe Price Associates, Inc. 4,163,714 4.84 138,306 12/31/2016
BlackRock Institutional Trust Company, N.A. 4,054,756 4.71 225,076 12/31/2016
Eastern Capital, Ltd. 3,802,341 4.42 -1,126,775 02/25/2016
Baillie Gifford & Co. 3,318,022 3.86 -50,303 12/31/2016
State Street Global Advisors (US) 2,361,998 2.74 28,822 12/31/2016
Slate Path Capital LP 2,000,000 2.32 775,000 12/31/2016
Blue Ridge Capital, L.L.C. 1,320,000 1.53 0 12/31/2016
Gilder Gagnon Howe & Co. LLC 1,230,794 1.43 -130,862 12/31/2016
Bellevue Asset Management AG 1,215,338 1.41 0 12/31/2016
Goldman Sachs & Company, Inc. 862,866 1.00 -24,343 12/31/2016
Government Pension Investment Fund, Japan 805,130 0.94 805,130 03/31/2016
RTW Investments, LLC 789,208 0.92 -159,078 12/31/2016
UBS Asset Management (Switzerland) 748,985 0.87 -13,506 12/31/2016
First Trust Advisors L.P. 738,408 0.86 317,432 12/31/2016
Bridger Management, LLC 718,615 0.84 -264,425 12/31/2016
12 West Capital Management, L.P. 700,000 0.81 0 12/31/2016
ArrowMark Colorado Holdings, LLC 692,736 0.81 301,877 12/31/2016
Norges Bank Investment Management (NBIM) 664,663 0.77 66,506 12/31/2016
Morgan Stanley Investment Management Inc. (US) 657,797 0.76 -117,355 12/31/2016
UBS Asset Management (Americas), Inc. 596,084 0.69 39,382 12/31/2016
Geode Capital Management, L.L.C. 534,016 0.62 14,111 12/31/2016
Franklin Advisers, Inc. 520,417 0.60 -193,583 12/31/2016
Janus Capital Management LLC 512,930 0.60 20,593 12/31/2016
Artal International S.C.A. 500,000 0.58 -100,000 12/31/2016
Balyasny Asset Management LP 342,822 0.40 342,822 12/31/2016
Pictet Asset Management Ltd. 327,392 0.38 23,874 12/31/2016
UBS Asset Management (UK) Ltd. 322,357 0.37 122,788 12/31/2016
Northern Trust Investments, Inc. 311,878 0.36 14,441 12/31/2016
Schimmel (Paul R Ph.D.) 306,996 0.36 0 01/31/2017
Mitsubishi UFJ Trust and Banking Corporation 290,157 0.34 -212,619 12/31/2016
683 Capital Management LLC 270,000 0.31 150,000 12/31/2016
Sharp (Philip A. Ph.D.) 266,899 0.31 0 02/01/2017
Boxer Capital, L.L.C. 250,000 0.29 250,000 12/31/2016
Legal & General Investment Management Ltd. 247,367 0.29 -45,545 12/31/2016
Tekla Capital Management LLC 243,995 0.28 0 12/31/2016
Frontier Capital Management Company, LLC 236,935 0.28 236,935 12/31/2016
Millennium Management LLC 229,240 0.27 217,283 12/31/2016
Peregrine Capital Management, LLC 221,909 0.26 15,477 03/31/2017
Ziff Brothers Investments, L.L.C. 219,602 0.26 -113,964 09/30/2016
D. E. Shaw & Co., L.P. 215,426 0.25 190,304 12/31/2016
Kentucky Teachers' Retirement System 211,069 0.25 17,086 12/31/2016
Analytic Investors, LLC 210,233 0.24 210,233 12/31/2016
CIBC World Markets Corp. 210,000 0.24 210,000 12/31/2016
TIAA Global Asset Management 209,062 0.24 -71,666 12/31/2016
TimesSquare Capital Management, LLC 198,800 0.23 3,000 12/31/2016

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.