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Ambarella
AMBA

Overview Fund Activity

160 hedge funds and large institutions have $636M invested in Ambarella in 2014 Q3 according to their latest regulatory filings, with 47 funds opening new positions, 54 increasing their positions, 43 reducing their positions, and 30 closing their positions.

Holders
160
Holders Change
+17
Holders Change %
+11.89%
% of All Funds
4.65%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.09%
New
47
Increased
54
Reduced
43
Closed
30
Calls
$59M
Puts
$160M
Net Calls
-$101M
Net Calls Change
-$42.9M

Top Buyers

1
Lord, Abbett & Co
1
Lord, Abbett & Co
New Jersey
$38.5M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$30M
3
Calamos Advisors
3
Calamos Advisors
Illinois
$27.7M
4
ACM
4
Andor Capital Management
New York
$21.8M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$77.4M

Top Sellers

1
Susquehanna International Group
1
Susquehanna International Group
Pennsylvania
$9.82M
2
RIM
2
RS Investment Management
California
$18.2M
3
Tiger Global Management
3
Tiger Global Management
New York
$0
4
VM
4
Valinor Management
New York
$0
5
AFG
5
Albion Financial Group
Utah
$0
Name Market Value Shares Shares
Change 		Shares
Change %
ACM
101
Ativo Capital Management
Illinois
$540K 12,370 -5,209 -30%
Citadel Advisors
102
Citadel Advisors
Florida
$536K 12,279 +3,727 +44%
ProShare Advisors
103
ProShare Advisors
Maryland
$500K 11,448 -2,589 -18%
M&T Bank
104
M&T Bank
New York
$485K 11,108 +11,108 New
ST
105
Spot Trading
Illinois
$458K 10,493 +9,140 +676%
SM
106
Southport Management
Wyoming
$437K 10,000 -20,000 -67%
IRF
107
IBM Retirement Fund
New York
$437K 10,000 +10,000 New
BJ
108
BlackRock Japan
Japan
$416K 9,522 +8,993 +1,700%
ACM
109
Aviance Capital Management
Florida
$373K 8,548 +895 +12%
PP
110
Patten & Patten
Tennessee
$328K 7,500 +7,500 New
CAN
111
Cetera Advisor Networks
California
$321K 7,395 +7,395 New
MC
112
Moors & Cabot
Massachusetts
$304K 7,000 +7,000 New
Walleye Trading
113
Walleye Trading
New York
$296K 6,785 +6,785 New
QC
114
QCM Cayman
Texas
$289K 6,608 +6,608 New
Nomura Holdings
115
Nomura Holdings
Japan
$278K 6,661 -8,947 -57%
Principal Financial Group
116
Principal Financial Group
Iowa
$277K 6,335 +6,335 New
BlackRock
117
BlackRock
New York
$256K 5,858 +5,182 +767%
CL
118
CIM LLC
New York
$246K 5,640 +5,640 New
Cambridge Investment Research Advisors
119
Cambridge Investment Research Advisors
Iowa
$243K 5,569 +5,569 New
JPMorgan Chase & Co
120
JPMorgan Chase & Co
New York
$231K 5,285 +5,285 New
MTIP
121
Magee Thomson Investment Partners
California
$231K 5,291 +5,291 New
VRS
122
Virginia Retirement Systems
Virginia
$227K 5,200 +5,200 New
CWM
123
Calamos Wealth Management
Illinois
$226K 5,185 +5,185 New
Nuveen Asset Management
124
Nuveen Asset Management
Illinois
$222K 5,095 -1,367 -21%
SPM
125
Symmetry Peak Management
Pennsylvania
$218K 5,000 -27,500 -85%
3 4
5
6 7