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969 hedge funds and large institutions have $58.9B invested in Biogen in 2015 Q4 according to their latest regulatory filings, with 139 funds opening new positions, 331 increasing their positions, 372 reducing their positions, and 82 closing their positions.

New
Increased
Maintained
Reduced
Closed

70% more first-time investments, than exits

New positions opened: 139 | Existing positions closed: 82

5% more funds holding

Funds holding: 923969 (+46)

1% more capital invested

Capital invested by funds: $58.4B → $58.9B (+$503M)

0% more funds holding in top 10

Funds holding in top 10: 3737 (0)

11% less repeat investments, than reductions

Existing positions increased: 331 | Existing positions reduced: 372

24% less call options, than puts

Call options by funds: $1.24B | Put options by funds: $1.63B

Holders
969
Holders Change
+46
Holders Change %
+4.98%
% of All Funds
25.43%
Holding in Top 10
37
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.97%
New
139
Increased
331
Reduced
372
Closed
82
Calls
$1.24B
Puts
$1.63B
Net Calls
-$397M
Net Calls Change
+$181M
Name Holding Trade Value Shares
Change
Change in
Stake
Bank of America
26
Bank of America
North Carolina
$486M +$47.1M +163,964 +12%
Goldman Sachs
27
Goldman Sachs
New York
$472M -$45.2M -157,376 -9%
WRF
28
Waddell & Reed Financial
Kansas
$471M -$177M -616,567 -29%
O
29
OrbiMed
New York
$442M +$38.8M +135,100 +10%
American Century Companies
30
American Century Companies
Missouri
$431M -$397K -1,380 -0.1%
BA
31
BlackRock Advisors
Delaware
$416M -$58.1M -202,049 -13%
Deutsche Bank
32
Deutsche Bank
Germany
$415M +$64.1M +223,211 +20%
Morgan Stanley
33
Morgan Stanley
New York
$380M -$25.1M -87,470 -7%
BIM
34
BlackRock Investment Management
Delaware
$336M +$2.52M +8,756 +0.8%
Millennium Management
35
Millennium Management
New York
$322M +$122M +425,850 +68%
JHIU
36
Janus Henderson Investors US
Colorado
$302M -$292M -1,017,617 -51%
UBS AM
37
UBS AM
Illinois
$294M -$50.6M -176,084 -16%
Legal & General Group
38
Legal & General Group
United Kingdom
$293M -$7.71M -26,833 -3%
Capital World Investors
39
Capital World Investors
California
$279M -$83.8M -291,651 -24%
Macquarie Group
40
Macquarie Group
Australia
$268M +$30.8M +107,311 +14%
PPA
41
Parametric Portfolio Associates
Washington
$265M +$58.7M +204,268 +31%
AQR Capital Management
42
AQR Capital Management
Connecticut
$249M -$48M -167,066 -17%
Allianz Asset Management
43
Allianz Asset Management
Germany
$247M -$24.7M -86,111 -10%
Wells Fargo
44
Wells Fargo
California
$239M -$144M -502,027 -39%
Sumitomo Mitsui Trust Group
45
Sumitomo Mitsui Trust Group
Japan
$221M -$337K -1,174 -0.2%
BlackRock
46
BlackRock
New York
$221M +$713K +2,480 +0.3%
Prudential Financial
47
Prudential Financial
New Jersey
$207M -$12.1M -42,115 -6%
Citadel Advisors
48
Citadel Advisors
Florida
$198M +$15.9M +55,482 +9%
Charles Schwab
49
Charles Schwab
California
$195M -$6.86M -23,873 -4%
CS
50
Credit Suisse
Switzerland
$195M -$539K -1,877 -0.3%