Alnylam

Ownership Profile


Shareholder Breakdown
  Holders Values ($) % O/S Shares
Institution 328 4,955.85 107.29 98,158,701
Mutual Fund 509 3,300.02 59.20 54,165,155
Institutional Shareholder Rotation
  Holders Values Change ($) % O/S Shares Change
Buyers 138 273.59 5.88 5,380,819
Sellers 162 -208.39 4.22 -3,859,585
Net -- 65.21 1.66 1,521,234
Institutional Shareholder Concentration
  Values ($) % O/S Shares
Top 10 Inst. 3,383 74.02 67,717,765
Top 20 Inst. 3,995.75 87.09 79,676,188
Top 50 Inst. 4,581.92 99.46 90,992,001
Total Inst. 4,581.92 99.46 90,992,001
Institutional Shareholder Style
  Holders Values ($) % O/S Shares
Index 36 757 16.11 14,740,963
AggresGr 2 13 0.28 255,310
CoreGrowth 66 343 6.94 6,348,079
Growth 20 115 2.44 2,235,130
IncomeValue 4 70 1.49 1,367,206
Yield 4 5 0.09 86,612
BrokerDealer 14 101 2.16 1,979,757
GARP 33 971 20.68 18,921,086
HedgeFund 28 412 8.66 7,926,341
SectorSpecific 1 4 0.09 82,200
Specialty 2 4 0.09 83,316
VCPrivateEquity 1 0 0.01 7,421
CoreValue 35 793 17.12 15,664,711
DeepValue 11 536 11.43 10,457,643
Momentum 1 0 0.00 3,233
Top Holders: Institutional Investor
  Shares Held % O/S Shares Change Filing Date
Fidelity Management & Research Company 12,826,983 14.02 32,503 03/31/2017
Wellington Management Company, LLP 12,041,179 13.16 31,208 03/31/2017
Sanofi SA 10,256,633 11.21 0 01/31/2017
Dodge & Cox 9,399,245 10.27 194,295 03/31/2017
The Vanguard Group, Inc. 5,660,213 6.19 200,890 03/31/2017
T. Rowe Price Associates, Inc. 4,167,969 4.56 4,255 03/31/2017
BlackRock Institutional Trust Company, N.A. 4,062,459 4.44 7,703 03/31/2017
Eastern Capital, Ltd. 3,802,341 4.16 -1,126,775 02/25/2016
Baillie Gifford & Co. 3,334,511 3.64 16,489 03/31/2017
State Street Global Advisors (US) 2,166,232 2.37 -195,766 03/31/2017
Slate Path Capital LP 2,000,000 2.19 0 03/31/2017
Blue Ridge Capital, L.L.C. 1,590,000 1.74 270,000 03/31/2017
Bellevue Asset Management AG 1,383,238 1.51 167,900 03/31/2017
Goldman Sachs & Company, Inc. 1,309,991 1.43 447,125 03/31/2017
Gilder Gagnon Howe & Co. LLC 1,206,049 1.32 -24,745 03/31/2017
Perceptive Advisors LLC 1,103,475 1.21 985,000 03/31/2017
RTW Investments, LLC 1,092,516 1.19 303,308 03/31/2017
UBS Asset Management (Switzerland) 846,063 0.92 97,078 03/31/2017
Bridger Management, LLC 727,091 0.79 8,476 03/31/2017
12 West Capital Management, L.P. 700,000 0.77 0 03/31/2017
First Trust Advisors L.P. 694,184 0.76 -44,224 03/31/2017
Norges Bank Investment Management (NBIM) 664,663 0.73 235,282 12/31/2016
Janus Capital Management LLC 649,399 0.71 136,469 03/31/2017
Morgan Stanley Investment Management Inc. (US) 637,826 0.70 -19,971 03/31/2017
ArrowMark Colorado Holdings, LLC 606,143 0.66 -86,593 03/31/2017
UBS Asset Management (Americas), Inc. 590,501 0.65 -5,583 03/31/2017
Geode Capital Management, L.L.C. 576,797 0.63 42,781 03/31/2017
Pictet Asset Management Ltd. 563,771 0.62 236,379 03/31/2017
Franklin Advisers, Inc. 508,317 0.56 -12,100 03/31/2017
D. E. Shaw & Co., L.P. 495,394 0.54 279,968 03/31/2017
BlackRock Financial Management, Inc. 409,676 0.45 354,527 03/31/2017
Rockefeller Financial 332,058 0.36 -174,165 06/30/2017
Northern Trust Investments, Inc. 323,085 0.35 11,207 03/31/2017
Schimmel (Paul R Ph.D.) 306,996 0.34 0 01/31/2017
Analytic Investors, LLC 303,418 0.33 93,185 03/31/2017
Artal International S.C.A. 300,000 0.33 -200,000 03/31/2017
UBS Asset Management (UK) Ltd. 294,517 0.32 -27,840 03/31/2017
Mitsubishi UFJ Trust and Banking Corporation 286,067 0.31 -4,090 03/31/2017
683 Capital Management LLC 270,000 0.30 0 03/31/2017
Sharp (Philip A. Ph.D.) 266,899 0.29 0 02/01/2017
Boxer Capital, L.L.C. 250,000 0.27 0 03/31/2017
Credit Suisse Securities (USA) LLC 248,364 0.27 69,697 03/31/2017
AXA Investment Managers UK Ltd. 244,283 0.27 116,121 03/31/2017
Tekla Capital Management LLC 243,995 0.27 0 03/31/2017
Ziff Brothers Investments, L.L.C. 219,602 0.24 -113,964 09/30/2016
New York State Common Retirement Fund 213,251 0.23 33,397 03/31/2017
Kentucky Teachers' Retirement System 208,176 0.23 -2,893 03/31/2017
Nuveen LLC 205,876 0.23 -3,186 03/31/2017
Balyasny Asset Management LP 203,467 0.22 -139,355 03/31/2017
Peregrine Capital Management, LLC 199,088 0.22 -22,821 06/30/2017

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.