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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
ZCI
1001
Zevenbergen Capital Investments
Washington
-$2.31M -7,904 Closed
Parallax Volatility Advisers
1002
Parallax Volatility Advisers
California
-$2.19M -7,613 Closed
LMIM
1003
Lockheed Martin Investment Management
Maryland
-$2.22M -7,600 Closed
DR
1004
Davis Rea
Ontario, Canada
-$2.17M -7,445 Closed
FWCM
1005
First Western Capital Management
California
-$1.63M -5,575 Closed
DM
1006
Deerfield Management
New York
-$1.6M -5,500 Closed
WCM
1007
Wunderlich Capital Managemnt
Tennessee
-$1.12M -3,850 Closed
NJBEST
1008
New Jersey Better Educational Savings Trust
New Jersey
-$905K -3,100 Closed
DS
1009
DRW Securities
Illinois
-$875K -3,000 Closed
EEG
1010
E.E. Geduld
-$875K -3,000 Closed
SI
1011
Shaker Investments
Ohio
-$806K -2,761 Closed
HF
1012
HRT Financial
New York
-$793K -2,719 Closed
RGNCM
1013
R.G. Niederhoffer Capital Management
New York
-$788K -2,700 Closed
JT
1014
Jump Trading
Illinois
-$733K -2,551 Closed
SIM
1015
Spark Investment Management
New York
-$698K -2,400 Closed
Edgewood Management
1016
Edgewood Management
Connecticut
-$584K -2,000 Closed
SIG
1017
Schooner Investment Group
Pennsylvania
-$575K -2,000 Closed
JMH
1018
J.M. Hartwell
New York
-$525K -1,800 Closed
ICM
1019
IronBridge Capital Management
Illinois
-$522K -1,790 Closed
ITIM
1020
Indiana Trust & Investment Management
Indiana
-$473K -1,620 Closed
CIA
1021
Choate Investment Advisors
Massachusetts
-$432K -1,479 Closed
BSA
1022
Braun Stacey Associates
New York
-$370K -1,269 Closed
CS
1023
Comerica Securities
Michigan
-$338K -1,157 Closed
EWM
1024
Elite Wealth Management
Washington
-$298K -1,024 Closed
HM
1025
Harvest Management
New York
-$292K -1,000 Closed