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Biogen
BIIB

Overview Fund Activity

922 hedge funds and large institutions have $58.4B invested in Biogen in 2015 Q3 according to their latest regulatory filings, with 105 funds opening new positions, 406 increasing their positions, 283 reducing their positions, and 150 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
922
Holders Change
-50
Holders Change %
-5.14%
% of All Funds
25.77%
Holding in Top 10
37
Holding in Top 10 Change
-15
Holding in Top 10 Change %
-28.85%
% of All Funds
1.03%
New
105
Increased
406
Reduced
283
Closed
150
Calls
$1.22B
Puts
$1.8B
Net Calls
-$579M
Net Calls Change
-$71.2M

Top Buyers

1
Ameriprise
Ameriprise
Minnesota
+$349M
2
SCM
Steadfast Capital Management
New York
+$278M
3
Bank of America
Bank of America
North Carolina
+$247M
4
Wellington Management Group
Wellington Management Group
Massachusetts
+$242M
5
BA
BlackRock Advisors
Delaware
+$221M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$1.51B
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$1.3B
3
Winslow Capital Management
Winslow Capital Management
Minnesota
-$520M
4
MCM
Marsico Capital Management
Colorado
-$518M
5
DCP
DSM Capital Partners
Florida
-$346M
Name Holding Trade Value Shares
Change 		Shares
Change %
AI
801
Atria Investments
North Carolina
$206K -$52.7K -181 -20%
HHMI
802
Howard Hughes Medical Institute
Maryland
$203K +$203K +696 New
PG
803
Patten Group
Tennessee
$202K – – –
NSAM
804
North Star Asset Management
Wisconsin
$202K – – –
BFA
805
Beaumont Financial Advisors
Massachusetts
$202K – – –
Westfield Capital Management
806
Westfield Capital Management
Massachusetts
$201K -$9.9K -34 -5%
GIA
807
GHP Investment Advisors
Colorado
$201K – – –
SAMC
808
Shinko Asset Management Company
Japan
$193K -$10.2K -35 -5%
CFA
809
Carroll Financial Associates
North Carolina
$187K -$7.43K -27 -4%
CFA
810
CT Financial Advisors
Pennsylvania
$175K – – –
First Manhattan
811
First Manhattan
New York
$175K – – –
CCA
812
Catalyst Capital Advisors
New York
$160K +$131K +447 +447%
PFBT
813
Parkside Financial Bank & Trust
Missouri
$155K -$50.8K -174 -25%
HDIM
814
Hanson & Doremus Investment Management
Vermont
$153K – – –
SFPIA
815
Stevens First Principles Investment Advisors
California
$146K +$146K +500 New
NYLT
816
New York Life Trust
New York
$132K +$17.2K +59 +15%
RIA
817
Regal Investment Advisors
Michigan
$132K +$27.3K +94 +26%
RA
818
Rational Advisors
New York
$127K – – –
WA
819
WFG Advisors
Texas
$120K – – –
WA
820
Winfield Associates
Ohio
$117K -$29.3K -100 -20%
PCTC
821
Perkins Coie Trust Company
Washington
$117K – – –
TSW
822
Thompson Siegel & Walmsley
Virginia
$116K – – –
CAL
823
Capital Analysts LLC
Pennsylvania
$115K +$115K +394 New
CGT
824
Capital Guardian Trust
California
$111K -$5.24K -18 -5%
RP
825
Rowlandmiller & Partners
Georgia
$110K – – –
31 32
33
34 35