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973 hedge funds and large institutions have $85.3B invested in Biogen in 2015 Q2 according to their latest regulatory filings, with 100 funds opening new positions, 367 increasing their positions, 348 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

18% more first-time investments, than exits

New positions opened: 100 | Existing positions closed: 85

5% more repeat investments, than reductions

Existing positions increased: 367 | Existing positions reduced: 348

1% more funds holding

Funds holding: 966973 (+7)

5% less capital invested

Capital invested by funds: $90B → $85.3B (-$4.71B)

24% less funds holding in top 10

Funds holding in top 10: 6852 (-16)

30% less call options, than puts

Call options by funds: $1.21B | Put options by funds: $1.72B

Holders
973
Holders Change
+7
Holders Change %
+0.72%
% of All Funds
26.22%
Holding in Top 10
52
Holding in Top 10 Change
-16
Holding in Top 10 Change %
-23.53%
% of All Funds
1.4%
New
100
Increased
367
Reduced
348
Closed
85
Calls
$1.21B
Puts
$1.72B
Net Calls
-$507M
Net Calls Change
+$74.4M
Name Holding Trade Value Shares
Change
Change in
Stake
ZDA
401
Zweig-DiMenna Associates
New York
$4.52M -$24.5M -61,012 -85%
PIM
402
Profit Investment Management
Maryland
$4.51M -$279K -695 -6%
BRA
403
Bender Robert & Associates
California
$4.5M +$34.5K +86 +0.8%
CIBC Private Wealth Group
404
CIBC Private Wealth Group
Georgia
$4.48M +$4.46M +11,102 New
CTC
405
Central Trust Company
Missouri
$4.48M -$332K -827 -7%
Jane Street
406
Jane Street
New York
$4.44M +$1.03M +2,569 +30%
FWIA
407
Fort Washington Investment Advisors
Ohio
$4.44M +$1.25M +3,105 +39%
CI
408
Constellation Investments
Ohio
$4.4M +$50.2K +125 +1%
HFS
409
HL Financial Services
Kentucky
$4.31M +$443K +1,104 +12%
AI
410
Analytic Investors
California
$4.29M -$5.18M -12,909 -55%
VKH
411
Virtu KCG Holdings
New York
$4.25M -$9.27M -23,090 -69%
SCM
412
Snow Capital Management
Pennsylvania
$4.24M +$3.21M +8,000 +320%
DWA
413
Dorsey Wright & Associates
California
$4.12M -$43.7K -109 -1%
ECM
414
Estabrook Capital Management
New York
$4.06M
FBC
415
Fairfield, Bush & Co
Connecticut
$4.04M
CCM
416
Catapult Capital Management
New York
$4.04M +$4.01M +10,000 New
MAM
417
Meeder Asset Management
Ohio
$4.03M +$3.12M +7,765 +353%
FMT
418
First Mercantile Trust
Tennessee
$3.94M +$1.37M +3,421 +54%
APFBOT
419
Amica Pension Fund Board of Trustees
Rhode Island
$3.85M
AP
420
Appleton Partners
Massachusetts
$3.84M +$90.7K +226 +2%
VIA
421
Vident Investment Advisory
Georgia
$3.82M -$306K -763 -7%
MIG
422
Mariner Investment Group
New York
$3.81M +$2.17M +5,400 +134%
SFP
423
Santa Fe Partners
New Mexico
$3.79M +$3.77M +9,395 New
MERSOM
424
Municipal Employees' Retirement System of Michigan
Michigan
$3.77M +$935K +2,330 +33%
LMGAM
425
Liberty Mutual Group Asset Management
Massachusetts
$3.75M -$1.64M -4,098 -31%