179 hedge funds and large institutions have $284M invested in GoPro in 2017 Q4 according to their latest regulatory filings, with 42 funds opening new positions, 57 increasing their positions, 31 reducing their positions, and 50 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
179
Holders Change
-9
Holders Change %
-4.79%
% of All Funds
4.07%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
42
Increased
57
Reduced
31
Closed
50
Calls
$21.5M
Puts
$82.6M
Net Calls
-$61.1M
Net Calls Change
-$21.9M
Name Holding Trade Value Shares
Change
Shares
Change %
EMG
176
Ellington Management Group
Connecticut
-$1.55M -140,400 Closed
NFA
177
Nationwide Fund Advisors
Ohio
-$1.23M -112,060 Closed
ACM
178
Argent Capital Management
Missouri
-$1.03M -93,325 Closed
UOC
179
UBS O'Connor
Illinois
-$826K -75,000 Closed
HIH
180
HRS Investment Holdings
New York
-$826K -75,000 Closed
Comerica Bank
181
Comerica Bank
Texas
-$737K -71,291 Closed
BCM
182
Bayesian Capital Management
New York
-$647K -58,800 Closed
Capital Fund Management (CFM)
183
Capital Fund Management (CFM)
France
-$547K -49,684 Closed
VF
184
Virtu Financial
New York
-$462K -41,955 Closed
Canada Pension Plan Investment Board
185
Canada Pension Plan Investment Board
Ontario, Canada
-$440K -40,000 Closed
Walleye Trading
186
Walleye Trading
New York
-$364 -33,078 Closed
FRM
187
Fox Run Management
Connecticut
-$342K -31,100 Closed
Jane Street
188
Jane Street
New York
-$340K -30,892 Closed
SMH
189
Sanders Morris Harris
Texas
-$284K -25,800 Closed
BFM
190
Boothbay Fund Management
New York
-$266K -24,125 Closed
WIC
191
Water Island Capital
New York
-$226K -20,500 Closed
WAM
192
Wolverine Asset Management
Illinois
-$220K -20,000 Closed
CCM
193
Concourse Capital Management
Georgia
-$197K -17,858 Closed
SPM
194
Symmetry Peak Management
Pennsylvania
-$193K -17,500 Closed
TRCT
195
Tower Research Capital (TRC)
New York
-$177K -16,103 Closed
MTIM
196
Marathon Trading Investment Management
Pennsylvania
-$168K -15,300 Closed
LCM
197
Laurion Capital Management
New York
-$164K -14,900 Closed
PCM
198
Prelude Capital Management
New York
-$142K -12,852 Closed
EIM
199
Essex Investment Management
Massachusetts
-$122K -11,118 Closed
AIA
200
Allegis Investment Advisors
Idaho
-$119K -10,800 Closed