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Ambarella
AMBA

Overview Fund Activity

186 hedge funds and large institutions have $764M invested in Ambarella in 2014 Q4 according to their latest regulatory filings, with 56 funds opening new positions, 46 increasing their positions, 69 reducing their positions, and 29 closing their positions.

Holders
186
Holders Change
+26
Holders Change %
+16.25%
% of All Funds
4.96%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
56
Increased
46
Reduced
69
Closed
29
Calls
$53.2M
Puts
$119M
Net Calls
-$66.2M
Net Calls Change
+$35.1M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$68.9M
2
Susquehanna International Group
2
Susquehanna International Group
Pennsylvania
$38.1M
3
State of Tennessee, Department of Treasury
3
State of Tennessee, Department of Treasury
Tennessee
$20.3M
4
ACM
4
Andor Capital Management
New York
$40.6M
5
Morgan Stanley
5
Morgan Stanley
New York
$36.9M

Top Sellers

1
Calamos Advisors
1
Calamos Advisors
Illinois
$0
2
RIM
2
RS Investment Management
California
$0
3
TA
3
Teachers Advisors
New York
$2.14M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$76.7M
5
RHJA
5
Rice Hall James & Associates
California
$18.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
VRS
126
Virginia Retirement Systems
Virginia
$264K – – –
RCM
127
Reynolds Capital Management
Nevada
$249K +$249K +4,900 New
EGM
128
Engineers Gate Manager
New York
$238K +$238K +4,698 New
QT
129
Quantbot Technologies
New York
$235K +$235K +4,634 New
CL
130
CIM LLC
New York
$219K -$66.9K -1,319 -23%
Nuveen Asset Management
131
Nuveen Asset Management
Illinois
$206K -$52.2K -1,030 -20%
Tudor Investment Corp
132
Tudor Investment Corp
Connecticut
$203K +$203K +4,000 New
MTIP
133
Magee Thomson Investment Partners
California
$183K -$86.9K -1,703 -32%
Parallax Volatility Advisers
134
Parallax Volatility Advisers
California
$165K -$1.45M -28,489 -90%
PAM
135
Panagora Asset Management
Massachusetts
$138K +$138K +2,711 New
SNT
136
Security National Trust
West Virginia
$127K – – –
Royal Bank of Canada
137
Royal Bank of Canada
Ontario, Canada
$126K -$1.56M -30,664 -93%
CIA
138
Capital Impact Advisors
Massachusetts
$122K – – –
Walleye Trading
139
Walleye Trading
New York
$115K -$229K -4,514 -67%
NFG
140
Next Financial Group
Texas
$112K +$96.7K +1,900 +633%
BlackRock
141
BlackRock
New York
$101K -$195K -3,861 -66%
BRWM
142
B. Riley Wealth Management
Tennessee
$101K +$101K +2,000 New
Group One Trading
143
Group One Trading
Illinois
$93K -$938K -18,500 -91%
PCM
144
Prelude Capital Management
New York
$91K +$91K +1,800 New
HNB
145
Huntington National Bank
Ohio
$88K +$88K +1,727 New
CFA
146
Camarda Financial Advisors
Florida
$80K +$80K +1,587 New
WRM
147
Westport Resources Management
Connecticut
$76K – – –
PAI
148
Pittenger & Anderson Inc
Nebraska
$76K – – –
EWM
149
Evercore Wealth Management
New York
$76K +$25.3K +500 +50%
NES
150
New England Securities
New York
$72K +$6.59K +130 +10%
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