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923 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, 407 increasing their positions, 283 reducing their positions, and 150 closing their positions.

New
Increased
Maintained
Reduced
Closed

44% more repeat investments, than reductions

Existing positions increased: 407 | Existing positions reduced: 283

5% less funds holding

Funds holding: 973923 (-50)

29% less funds holding in top 10

Funds holding in top 10: 5237 (-15)

30% less first-time investments, than exits

New positions opened: 105 | Existing positions closed: 150

32% less capital invested

Capital invested by funds: $85.3B → $58.4B (-$26.9B)

32% less call options, than puts

Call options by funds: $1.22B | Put options by funds: $1.8B

Holders
923
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
407
Reduced
283
Closed
150
Calls
$1.22B
Puts
$1.8B
Net Calls
-$579M
Net Calls Change
-$71.2M
Name Holding Trade Value Shares
Change
Change in
Stake
Adage Capital Partners
76
Adage Capital Partners
Massachusetts
$112M -$63M -190,700 -33%
Principal Financial Group
77
Principal Financial Group
Iowa
$109M +$17.8M +53,771 +17%
GC
78
Guggenheim Capital
Illinois
$107M -$7.33M -22,211 -6%
HSBC Holdings
79
HSBC Holdings
United Kingdom
$106M -$2.18M -6,606 -2%
SIG
80
Senator Investment Group
New York
$102M +$116M +350,000 New
MTB
81
Mizuho Trust & Banking
Japan
$102M +$5.02M +15,210 +5%
RhumbLine Advisers
82
RhumbLine Advisers
Massachusetts
$98.3M +$810K +2,454 +0.7%
EVM
83
Eaton Vance Management
Massachusetts
$95.9M -$62M -187,746 -36%
NFA
84
Nationwide Fund Advisors
Ohio
$94.1M -$11M -33,248 -9%
CI
85
Cambiar Investors
Colorado
$93.7M +$106M +321,221 New
BJ
86
BlackRock Japan
Japan
$93.7M +$7.8M +23,615 +8%
VAM
87
Vontobel Asset Management
New York
$90.5M -$11.2M -33,895 -10%
State of New Jersey Common Pension Fund D
88
State of New Jersey Common Pension Fund D
New Jersey
$90M +$31.4M +95,000 +44%
PAMU
89
Pictet Asset Management (UK)
United Kingdom
$88.8M +$2.91M +8,814 +3%
State Board of Administration of Florida Retirement System
90
State Board of Administration of Florida Retirement System
Florida
$87.2M -$2.19M -6,642 -2%
WA
91
WestEnd Advisors
North Carolina
$84.3M +$5.46M +16,539 +6%
Two Sigma Advisers
92
Two Sigma Advisers
New York
$83.6M +$36.4M +110,329 +63%
ACM
93
Atlanta Capital Management
Georgia
$83.4M +$4.03M +12,195 +4%
SO
94
STRS Ohio
Ohio
$82.4M +$1.47M +4,456 +2%
BNP Paribas Financial Markets
95
BNP Paribas Financial Markets
France
$79.6M +$39.8M +120,480 +79%
AIM
96
Assured Investment Management
New York
$78.7M +$88.5M +267,919 +14,094%
ProShare Advisors
97
ProShare Advisors
Maryland
$74.8M +$12.6M +38,263 +18%
William Blair Investment Management
98
William Blair Investment Management
Illinois
$70.7M +$80M +242,177 New
Teacher Retirement System of Texas
99
Teacher Retirement System of Texas
Texas
$67.9M +$20.5M +61,961 +36%
Royal Bank of Canada
100
Royal Bank of Canada
Ontario, Canada
$67.6M -$27.4M -82,937 -26%