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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
PPA
51
Parametric Portfolio Associates
Washington
$192M +$68.9M +208,610 +46%
CS
52
Credit Suisse
Switzerland
$186M -$20.6M -62,270 -9%
SAM
53
Sectoral Asset Management
Quebec, Canada
$182M +$45.5M +137,664 +28%
Millennium Management
54
Millennium Management
New York
$182M -$97.5M -295,256 -32%
California Public Employees Retirement System
55
California Public Employees Retirement System
California
$178M +$99.1K +300 +0%
Arrowstreet Capital
56
Arrowstreet Capital
Massachusetts
$177M +$100M +304,100 +100%
D.E. Shaw & Co
57
D.E. Shaw & Co
New York
$175M +$148M +448,869 +300%
PI
58
Putnam Investments
Massachusetts
$173M -$36.6M -110,781 -16%
Citadel Advisors
59
Citadel Advisors
Florida
$173M +$48.9M +148,153 +33%
VOYA Investment Management
60
VOYA Investment Management
Georgia
$167M -$1.58M -4,780 -0.8%
Barclays
61
Barclays
United Kingdom
$160M +$50.4M +152,755 +38%
APG Asset Management
62
APG Asset Management
Netherlands
$154M -$6.19M -18,745 -3%
Axa
63
Axa
France
$152M +$23.6M +71,333 +16%
TA
64
Teachers Advisors
New York
$149M -$15M -45,374 -8%
Fidelity International
65
Fidelity International
Bermuda
$142M +$64.7M +195,952 +67%
FAM
66
Fred Alger Management
New York
$137M -$133M -403,077 -46%
Federated Hermes
67
Federated Hermes
Pennsylvania
$137M +$8.45M +25,599 +6%
TCM
68
Tekla Capital Management
Massachusetts
$136M +$37.6M +113,950 +32%
Mitsubishi UFJ Trust & Banking
69
Mitsubishi UFJ Trust & Banking
Japan
$136M +$2.45M +7,423 +2%
First Trust Advisors
70
First Trust Advisors
Illinois
$134M -$16.7M -50,433 -10%
New York State Teachers Retirement System (NYSTRS)
71
New York State Teachers Retirement System (NYSTRS)
New York
$132M -$664K -2,012 -0.4%
California State Teachers Retirement System (CalSTRS)
72
California State Teachers Retirement System (CalSTRS)
California
$125M -$231K -700 -0.2%
Swiss National Bank
73
Swiss National Bank
Switzerland
$123M +$13.6M +41,200 +11%
Dimensional Fund Advisors
74
Dimensional Fund Advisors
Texas
$116M +$8.74M +26,456 +7%
Schroder Investment Management Group
75
Schroder Investment Management Group
United Kingdom
$112M +$81.3M +246,191 +179%