Alnylam

Ownership Profile


Shareholder Breakdown
  Holders Values ($) % O/S Shares
Institution 333 4,951.54 114.38 98,587,014
Mutual Fund 543 2,588.44 60.76 52,369,385
Institutional Shareholder Rotation
  Holders Values Change ($) % O/S Shares Change
Buyers 145 301.97 6.91 5,953,327
Sellers 239 -329.20 8.65 -7,454,294
Net -- -27.22 1.74 -1,500,967
Institutional Shareholder Concentration
  Values ($) % O/S Shares
Top 10 Inst. 3,383 78.57 67,717,765
Top 20 Inst. 3,995.75 92.44 79,676,188
Top 50 Inst. 4,576.88 105.80 91,188,987
Total Inst. 4,576.88 105.80 91,188,987
Institutional Shareholder Style
  Holders Values ($) % O/S Shares
Index 36 751 17.00 14,649,708
AggresGr 3 14 0.31 266,310
CoreGrowth 61 337 7.60 6,554,035
Growth 20 114 2.62 2,258,409
IncomeValue 4 70 1.59 1,369,265
Yield 4 4 0.10 86,473
BrokerDealer 15 103 2.33 2,012,475
GARP 35 969 21.93 18,904,644
HedgeFund 32 417 9.36 8,069,302
SectorSpecific 1 4 0.10 82,200
Specialty 2 4 0.10 83,316
VCPrivateEquity 1 0 0.01 7,421
CoreValue 37 798 18.31 15,783,372
DeepValue 10 536 12.13 10,457,516
Momentum 1 0 0.00 3,562
Top Holders: Institutional Investor
  Shares Held % O/S Shares Change Filing Date
Fidelity Management & Research Company 12,826,983 14.88 32,503 03/31/2017
Wellington Management Company, LLP 12,041,179 13.97 31,208 03/31/2017
Sanofi SA 10,256,633 11.90 0 01/31/2017
Dodge & Cox 9,399,245 10.91 194,295 03/31/2017
The Vanguard Group, Inc. 5,660,213 6.57 200,890 03/31/2017
T. Rowe Price Associates, Inc. 4,167,969 4.84 4,255 03/31/2017
BlackRock Institutional Trust Company, N.A. 4,062,459 4.71 7,703 03/31/2017
Eastern Capital, Ltd. 3,802,341 4.41 -1,126,775 02/25/2016
Baillie Gifford & Co. 3,334,511 3.87 16,489 03/31/2017
State Street Global Advisors (US) 2,166,232 2.51 -195,766 03/31/2017
Slate Path Capital LP 2,000,000 2.32 0 03/31/2017
Blue Ridge Capital, L.L.C. 1,590,000 1.84 270,000 03/31/2017
Bellevue Asset Management AG 1,383,238 1.60 167,900 03/31/2017
Goldman Sachs & Company, Inc. 1,309,991 1.52 447,125 03/31/2017
Gilder Gagnon Howe & Co. LLC 1,206,049 1.40 -24,745 03/31/2017
Perceptive Advisors LLC 1,103,475 1.28 985,000 03/31/2017
RTW Investments, LLC 1,092,516 1.27 303,308 03/31/2017
UBS Asset Management (Switzerland) 846,063 0.98 97,078 03/31/2017
Bridger Management, LLC 727,091 0.84 8,476 03/31/2017
12 West Capital Management, L.P. 700,000 0.81 0 03/31/2017
First Trust Advisors L.P. 694,184 0.81 -44,224 03/31/2017
Norges Bank Investment Management (NBIM) 664,663 0.77 235,282 12/31/2016
Janus Capital Management LLC 649,399 0.75 136,469 03/31/2017
Morgan Stanley Investment Management Inc. (US) 637,826 0.74 -19,971 03/31/2017
ArrowMark Colorado Holdings, LLC 606,143 0.70 -86,593 03/31/2017
UBS Asset Management (Americas), Inc. 590,501 0.69 -5,583 03/31/2017
Geode Capital Management, L.L.C. 576,797 0.67 42,781 03/31/2017
Pictet Asset Management Ltd. 563,771 0.65 236,379 03/31/2017
Franklin Advisers, Inc. 508,317 0.59 -12,100 03/31/2017
Rockefeller Financial 506,223 0.59 495,730 03/31/2017
D. E. Shaw & Co., L.P. 495,394 0.57 279,968 03/31/2017
BlackRock Financial Management, Inc. 409,676 0.48 354,527 03/31/2017
Northern Trust Investments, Inc. 323,085 0.37 11,207 03/31/2017
Schimmel (Paul R Ph.D.) 306,996 0.36 0 01/31/2017
Analytic Investors, LLC 303,418 0.35 93,185 03/31/2017
Artal International S.C.A. 300,000 0.35 -200,000 03/31/2017
UBS Asset Management (UK) Ltd. 294,517 0.34 -27,840 03/31/2017
Mitsubishi UFJ Trust and Banking Corporation 286,067 0.33 -4,090 03/31/2017
683 Capital Management LLC 270,000 0.31 0 03/31/2017
Sharp (Philip A. Ph.D.) 266,899 0.31 0 02/01/2017
Boxer Capital, L.L.C. 250,000 0.29 0 03/31/2017
Credit Suisse Securities (USA) LLC 248,364 0.29 69,697 03/31/2017
AXA Investment Managers UK Ltd. 244,283 0.28 116,121 03/31/2017
Tekla Capital Management LLC 243,995 0.28 0 03/31/2017
Peregrine Capital Management, LLC 221,909 0.26 15,477 03/31/2017
Ziff Brothers Investments, L.L.C. 219,602 0.25 -113,964 09/30/2016
New York State Common Retirement Fund 213,251 0.25 33,397 03/31/2017
Kentucky Teachers' Retirement System 208,176 0.24 -2,893 03/31/2017
TIAA Global Asset Management 205,876 0.24 -3,186 03/31/2017
Balyasny Asset Management LP 203,467 0.24 -139,355 03/31/2017

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.