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ALNYLAM PHARMACEUTICALS INC
ALNYLAM PHARMACEUTICALS INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q4)
Portfolio Summary: 232 Institutional holders with a total value of $3,041,453,834.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 12,872,080 481,931,000 15.85%
2 WELLINGTON MANAGEMENT GROUP LLP 12,009,971 449,654,000 14.78%
3 DODGE & COX 9,204,950 344,633,000 11.33%
4 VANGUARD GROUP INC 5,459,323 204,396,000 6.72%
5 PRICE T ROWE ASSOCIATES INC /MD/ 4,163,714 155,889,000 5.13%
6 BAILLIE GIFFORD & CO 3,318,022 124,227,000 4.08%
7 STATE STREET CORP 2,361,998 88,430,000 2.91%
8 BlackRock Fund Advisors 2,100,902 78,658,000 2.59%
9 Slate Path Capital LP 2,000,000 74,880,000 2.46%
10 BlackRock Institutional Trust Company, N.A. 1,953,854 73,152,000 2.41%
11 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 1,667,426 62,429,000 2.05%
12 Blue Ridge Capital, L.L.C. 1,320,000 49,421,000 1.62%
13 GILDER GAGNON HOWE & CO LLC 1,230,794 46,081,000 1.52%
14 BB BIOTECH AG 1,191,338 44,604,000 1.47%
15 GOLDMAN SACHS GROUP INC 914,437 34,237,000 1.13%
16 MORGAN STANLEY 812,184 30,408,000 1.00%
17 RTW INVESTMENTS, LP 789,208 29,548,000 0.97%
18 FIRST TRUST ADVISORS LP 738,408 27,646,000 0.91%
19 BRIDGER MANAGEMENT, LLC 718,615 26,905,000 0.88%
20 12 West Capital Management LP 700,000 26,208,000 0.86%
21 ArrowMark Colorado Holdings LLC 692,736 25,936,000 0.85%
22 NORGES BANK 664,663 24,885,000 0.82%
23 GEODE CAPITAL MANAGEMENT, LLC 534,016 19,993,000 0.66%
24 FRANKLIN RESOURCES INC 520,417 19,484,000 0.64%
25 JANUS HENDERSON INVESTORS US LLC 517,430 19,375,000 0.64%
26 Artal Group S.A. 500,000 18,720,000 0.62%
27 SUSQUEHANNA INTERNATIONAL GROUP, LLP 433,100 16,215,000 0.53% Put
28 NORTHERN TRUST CORP 345,959 12,952,000 0.43%
29 BALYASNY ASSET MANAGEMENT L.P. 342,822 12,835,000 0.42%
30 PICTET ASSET MANAGEMENT LTD 327,392 12,258,000 0.40%
31 DEUTSCHE BANK AG\ 320,988 12,015,000 0.40%
32 SUSQUEHANNA INTERNATIONAL GROUP, LLP 320,700 12,007,000 0.39% Call
33 Bank of New York Mellon Corp 302,783 11,336,000 0.37%
34 Mitsubishi UFJ Trust & Banking Corp 290,157 10,863,000 0.36%
35 WELLS FARGO & COMPANY/MN 279,749 10,473,000 0.34%
36 683 Capital Management, LLC 270,000 10,109,000 0.33%
37 BOXER CAPITAL, LLC 250,000 9,360,000 0.31%
38 Legal & General Group Plc 247,367 9,261,000 0.30%
39 Tekla Capital Management LLC 243,995 9,135,000 0.30%
40 BlackRock Group LTD 237,918 8,908,000 0.29%
41 FRONTIER CAPITAL MANAGEMENT CO LLC 236,935 8,871,000 0.29%
42 MILLENNIUM MANAGEMENT LLC 229,240 8,583,000 0.28%
43 D. E. Shaw & Co., Inc. 215,426 8,065,000 0.27%
44 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 211,069 7,902,000 0.26%
45 CIBC WORLD MARKETS CORP 210,000 7,862,000 0.26%
46 PEREGRINE CAPITAL MANAGEMENT INC /MN/ 206,432 7,729,000 0.25%
47 Artal Group S.A. 200,000 7,488,000 0.25% Call
48 TimesSquare Capital Management, LLC 198,800 7,443,000 0.24%
49 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 192,542 7,209,000 0.24%
50 NEW YORK STATE COMMON RETIREMENT FUND 179,854 6,734,000 0.22%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.