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Biogen
BIIB

Overview Fund Activity

656 hedge funds and large institutions have $52.6B invested in Biogen in 2013 Q3 according to their latest regulatory filings, with 73 funds opening new positions, 227 increasing their positions, 253 reducing their positions, and 54 closing their positions.

Holders
656
Holders Change
+10
Holders Change %
+1.55%
% of All Funds
21.28%
Holding in Top 10
24
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-17.24%
% of All Funds
0.78%
New
73
Increased
227
Reduced
253
Closed
54
Calls
$619M
Puts
$689M
Net Calls
-$69.9M
Net Calls Change
+$9.03M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$6.17B
2
Deutsche Bank
2
Deutsche Bank
Germany
$364M
3
O
3
OppenheimerFunds
New York
$271M
4
Invesco
4
Invesco
Georgia
$903M
5
BFA
5
BlackRock Fund Advisors
California
$874M

Top Sellers

1
MCM
1
Marsico Capital Management
Colorado
$693M
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$2.11B
3
Viking Global Investors
3
Viking Global Investors
Connecticut
$69.9M
4
AllianceBernstein
4
AllianceBernstein
Tennessee
$571M
5
Winslow Capital Management
5
Winslow Capital Management
Minnesota
$631M
Name Holding Trade Value Shares
Change 		Shares
Change %
Norges Bank
26
Norges Bank
Norway
$415M -$30.8M -128,079 -7%
Geode Capital Management
27
Geode Capital Management
Massachusetts
$404M +$12.7M +52,598 +3%
Franklin Resources
28
Franklin Resources
California
$404M +$17.1M +71,092 +4%
Deutsche Bank
29
Deutsche Bank
Germany
$364M +$192M +797,677 +112%
WRF
30
Waddell & Reed Financial
Kansas
$350M -$41M -170,238 -10%
MAA
31
Managed Account Advisors
New Jersey
$314M -$66.9M -278,018 -18%
CCI
32
Columbus Circle Investors
$289M +$14.1M +58,433 +5%
Massachusetts Financial Services
33
Massachusetts Financial Services
Massachusetts
$284M +$52.9M +219,587 +23%
O
34
OppenheimerFunds
New York
$271M +$128M +532,930 +90%
JHIU
35
Janus Henderson Investors US
Colorado
$256M +$60.1M +249,748 +31%
Allianz Asset Management
36
Allianz Asset Management
Germany
$249M -$25.4M -105,525 -9%
O
37
OrbiMed
New York
$247M +$144K +600 +0.1%
Legal & General Group
38
Legal & General Group
United Kingdom
$246M -$544K -2,259 -0.2%
AL
39
AJO LP
Pennsylvania
$238M +$44.7M +185,460 +23%
BA
40
BlackRock Advisors
Delaware
$236M +$37.4M +155,331 +19%
Prudential Financial
41
Prudential Financial
New Jersey
$221M +$1.76M +7,311 +0.8%
Adage Capital Partners
42
Adage Capital Partners
Massachusetts
$216M +$6.02M +25,000 +3%
Goldman Sachs
43
Goldman Sachs
New York
$213M -$38.2M -158,607 -15%
Renaissance Technologies
44
Renaissance Technologies
New York
$209M -$126M -523,800 -38%
American Century Companies
45
American Century Companies
Missouri
$199M +$50.2M +208,583 +34%
New York State Common Retirement Fund
46
New York State Common Retirement Fund
New York
$191M +$3.66M +15,190 +2%
Bank of America
47
Bank of America
North Carolina
$189M +$50.8M +210,828 +37%
Arrowstreet Capital
48
Arrowstreet Capital
Massachusetts
$165M +$16M +66,404 +11%
BIM
49
BlackRock Investment Management
Delaware
$164M +$7.33M +30,462 +5%
TA
50
Teachers Advisors
New York
$159M +$15.3M +63,469 +11%
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