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BIOGEN INC
BIOGEN INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 835 Institutional holders with a total value of $72,376,136,159.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 19,002,794 6,286,313,000 8.69%
2 PRIMECAP MANAGEMENT CO/CA/ 17,216,631 5,695,434,000 7.87%
3 PRICE T ROWE ASSOCIATES INC /MD/ 12,791,052 4,231,408,000 5.85%
4 VANGUARD GROUP INC 12,335,234 4,080,619,000 5.64%
5 STATE STREET CORP 9,862,872 3,262,740,000 4.51%
6 Clearbridge Investments, LLC 7,889,763 2,610,013,000 3.61%
7 JPMORGAN CHASE & CO 6,922,973 2,290,190,000 3.16%
8 BlackRock Institutional Trust Company, N.A. 6,213,348 2,055,438,000 2.84%
9 JENNISON ASSOCIATES LLC 5,807,685 1,921,240,000 2.65%
10 Capital Research Global Investors 5,456,600 1,805,098,000 2.49%
11 SANDS CAPITAL MANAGEMENT, LLC 4,952,096 1,638,203,000 2.26%
12 BlackRock Fund Advisors 3,931,740 1,300,659,000 1.80%
13 Invesco Ltd. 3,578,431 1,183,779,000 1.64%
14 Bank of New York Mellon Corp 3,331,047 1,101,943,000 1.52%
15 NORTHERN TRUST CORP 3,223,823 1,066,473,000 1.47%
16 WADDELL & REED FINANCIAL INC 2,824,981 934,532,000 1.29%
17 WELLS FARGO & COMPANY/MN 2,692,471 890,641,000 1.23%
18 AMERIPRISE FINANCIAL INC 2,581,488 853,979,000 1.18%
19 TIAA CREF INVESTMENT MANAGEMENT LLC 2,402,962 794,924,000 1.10%
20 JANUS HENDERSON INVESTORS US LLC 2,275,598 752,786,000 1.04%
21 BlackRock Group LTD 2,169,121 717,566,000 0.99%
22 Winslow Capital Management, LLC 2,032,921 672,511,000 0.93%
23 FRANKLIN RESOURCES INC 2,024,099 669,587,000 0.93%
24 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 1,913,925 633,145,000 0.87%
25 GEODE CAPITAL MANAGEMENT, LLC 1,783,743 589,350,000 0.81%
26 MARSICO CAPITAL MANAGEMENT LLC 1,734,366 573,745,000 0.79%
27 AMERICAN CENTURY COMPANIES INC 1,716,749 567,918,000 0.78%
28 ALLIANCEBERNSTEIN L.P. 1,671,693 553,013,000 0.76%
29 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1,660,949 549,458,000 0.76%
30 NORGES BANK 1,645,805 544,449,000 0.75%
31 WELLINGTON MANAGEMENT GROUP LLP 1,529,050 505,825,000 0.70%
32 BLACKROCK ADVISORS LLC 1,525,847 504,765,000 0.70%
33 OppenheimerFunds, Inc. 1,451,930 480,313,000 0.66%
34 SUSQUEHANNA INTERNATIONAL GROUP, LLP 1,381,700 457,080,000 0.63% Put
35 MONTAG & CALDWELL, LLC 1,360,539 450,079,000 0.62%
36 MORGAN STANLEY 1,258,591 416,353,000 0.58%
37 COLUMBUS CIRCLE INVESTORS 1,205,992 398,954,000 0.55%
38 GOLDMAN SACHS GROUP INC 1,193,447 394,805,000 0.55%
39 ORBIMED ADVISORS LLC 1,190,100 393,697,000 0.54%
40 AQR CAPITAL MANAGEMENT LLC 1,107,999 366,537,000 0.51%
41 MANAGED ACCOUNT ADVISORS LLC 1,082,983 358,262,000 0.50%
42 BlackRock Investment Management, LLC 1,055,015 349,010,000 0.48%
43 Allianz Asset Management GmbH 1,019,233 337,172,000 0.47%
44 Legal & General Group Plc 971,201 321,280,000 0.44%
45 DEUTSCHE BANK AG\ 892,268 295,167,000 0.41%
46 PRUDENTIAL FINANCIAL INC 857,774 283,760,000 0.39%
47 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 821,392 271,725,000 0.38%
48 Grantham, Mayo, Van Otterloo & Co. LLC 800,301 264,748,000 0.37%
49 NEW YORK STATE COMMON RETIREMENT FUND 798,145 264,034,000 0.36%
50 SUSQUEHANNA INTERNATIONAL GROUP, LLP 796,600 263,524,000 0.36% Call
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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.