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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
Royal Bank of Canada
76
Royal Bank of Canada
Ontario, Canada
$108M +$34.3M +119,437 +52%
Barclays
77
Barclays
United Kingdom
$106M -$58.5M -203,556 -37%
State of New Jersey Common Pension Fund D
78
State of New Jersey Common Pension Fund D
New Jersey
$101M +$5.75M +20,000 +6%
RhumbLine Advisers
79
RhumbLine Advisers
Massachusetts
$99.7M -$3.33M -11,589 -3%
BJ
80
BlackRock Japan
Japan
$99.6M +$1.17M +4,089 +1%
William Blair Investment Management
81
William Blair Investment Management
Illinois
$96.7M +$21.2M +73,617 +30%
ACM
82
Atlanta Capital Management
Georgia
$96M +$7.92M +27,575 +10%
SCM
83
Sarissa Capital Management
Connecticut
$95M +$89.1M +310,000 New
Principal Financial Group
84
Principal Financial Group
Iowa
$94.7M -$18.1M -62,903 -17%
SIG
85
Senator Investment Group
New York
$91.9M -$14.4M -50,000 -14%
WA
86
WestEnd Advisors
North Carolina
$91.4M +$2.78M +9,658 +3%
SAM
87
Sectoral Asset Management
Quebec, Canada
$89.1M -$96M -334,207 -53%
Arrowstreet Capital
88
Arrowstreet Capital
Massachusetts
$88.6M -$91.3M -317,757 -52%
State Board of Administration of Florida Retirement System
89
State Board of Administration of Florida Retirement System
Florida
$86.3M -$4.92M -17,139 -6%
PAMU
90
Pictet Asset Management (UK)
United Kingdom
$86.2M -$6.52M -22,684 -7%
Credit Agricole
91
Credit Agricole
France
$86.2M +$31.2M +108,655 +63%
SO
92
STRS Ohio
Ohio
$85.4M -$1M -3,481 -1%
ProShare Advisors
93
ProShare Advisors
Maryland
$84.4M +$5.53M +19,262 +8%
AT
94
AMF Tjänstepension
Sweden
$82M +$17.5M +60,935 +29%
IG
95
ING Group
Netherlands
$81.5M +$59.1M +205,742 +342%
VanEck Associates
96
VanEck Associates
New York
$79.6M +$26.8M +93,333 +56%
GT
97
Glenmede Trust
Pennsylvania
$78.9M +$65.9M +229,426 +812%
CS
98
Candriam SCA
Luxembourg
$74.4M +$8.7M +30,283 +14%
SC
99
Samlyn Capital
New York
$74.1M +$16.8M +58,400 +32%
CLM
100
ClearBridge LLC (Maryland)
Maryland
$72.8M +$68.3M +237,530 New