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Biogen
BIIB

646 hedge funds and large institutions have $47.5B invested in Biogen in 2013 Q2 according to their latest regulatory filings, with 646 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

13% less call options, than puts

Call options by funds: $527M | Put options by funds: $606M

Holders
646
Holders Change
+646
Holders Change %
–
% of All Funds
21.08%
Holding in Top 10
29
Holding in Top 10 Change
+29
Holding in Top 10 Change %
% of All Funds
0.95%
New
646
Increased
–
Reduced
–
Closed
–
Calls
$527M
Puts
$606M
Net Calls
-$78.9M
Net Calls Change
-$78.9M

Top Buyers

No buyers this quarter

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
BG
26
BlackRock Group
United Kingdom
$374M +$372M +1,738,635 New
Geode Capital Management
27
Geode Capital Management
Massachusetts
$350M +$348M +1,627,791 New
WRF
28
Waddell & Reed Financial
Kansas
$350M +$347M +1,624,979 New
Franklin Resources
29
Franklin Resources
California
$346M +$343M +1,607,249 New
MAA
30
Managed Account Advisors
New Jersey
$341M +$338M +1,583,856 New
Renaissance Technologies
31
Renaissance Technologies
New York
$300M +$298M +1,393,500 New
CCI
32
Columbus Circle Investors
$246M +$244M +1,140,986 New
Allianz Asset Management
33
Allianz Asset Management
Germany
$245M +$243M +1,139,160 New
Goldman Sachs
34
Goldman Sachs
New York
$225M +$223M +1,044,044 New
O
35
OrbiMed
New York
$221M +$219M +1,025,800 New
Legal & General Group
36
Legal & General Group
United Kingdom
$220M +$218M +1,022,062 New
Viking Global Investors
37
Viking Global Investors
Connecticut
$208M +$206M +966,288 New
Massachusetts Financial Services
38
Massachusetts Financial Services
Massachusetts
$207M +$205M +960,501 New
Prudential Financial
39
Prudential Financial
New Jersey
$196M +$194M +909,210 New
Adage Capital Partners
40
Adage Capital Partners
Massachusetts
$187M +$186M +870,924 New
BA
41
BlackRock Advisors
Delaware
$177M +$176M +824,775 New
JHIU
42
Janus Henderson Investors US
Colorado
$175M +$174M +813,610 New
AL
43
AJO LP
Pennsylvania
$173M +$171M +802,400 New
New York State Common Retirement Fund
44
New York State Common Retirement Fund
New York
$167M +$166M +776,499 New
Deutsche Bank
45
Deutsche Bank
Germany
$154M +$153M +714,008 New
CS
46
Credit Suisse
Switzerland
$142M +$141M +658,624 New
BIM
47
BlackRock Investment Management
Delaware
$140M +$139M +651,754 New
Sumitomo Mitsui Trust Group
48
Sumitomo Mitsui Trust Group
Japan
$137M +$136M +636,384 New
PAM
49
Panagora Asset Management
Massachusetts
$137M +$136M +634,570 New
Arrowstreet Capital
50
Arrowstreet Capital
Massachusetts
$133M +$132M +617,769 New
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BIIB Hedge Fund Activity: Q2 2013 in Review

646 of the 3,065 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q2 2013, worth a combined $47.5B.

Buyers outnumbered sellers: 646 funds opened new BIIB positions and 0 closed out — a net gain of 646 holders — while 0 added to existing stakes and 0 trimmed.

  • 646 institutional investors held Biogen (BIIB) as of Q2 2013, up from 0 in Q1 2013.
  • Funds reported $47.5B of Biogen stock for Q2 2013.
  • 646 funds opened new Biogen positions in Q2 2013 and 0 closed out, a net change of +646 holders.

Based on aggregated 13F filings for Q2 2013.