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Ambarella
AMBA

Overview Fund Activity

95 hedge funds and large institutions have $141M invested in Ambarella in 2013 Q3 according to their latest regulatory filings, with 30 funds opening new positions, 35 increasing their positions, 21 reducing their positions, and 18 closing their positions.

Holders
95
Holders Change
+12
Holders Change %
+14.46%
% of All Funds
3.08%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
30
Increased
35
Reduced
21
Closed
18
Calls
$2.65M
Puts
$10.5M
Net Calls
-$7.85M
Net Calls Change
-$3.86M

Top Buyers

1
AFG
1
Albion Financial Group
Utah
$7.47M
2
PP
2
PDT Partners
New York
$3.82M
3
Two Sigma Investments
3
Two Sigma Investments
New York
$3.32M
4
Arrowstreet Capital
4
Arrowstreet Capital
Massachusetts
$3.24M
5
Jane Street
5
Jane Street
New York
$2.51M

Top Sellers

1
CGI
1
CI Global Investments
California
$0
2
LPL Financial
2
LPL Financial
California
$353K
3
EI
3
EAM Investors
California
$0
4
TC
4
TFS Capital
Pennsylvania
$909K
5
SIM
5
Spark Investment Management
New York
$801K
Name Market Value Shares Shares
Change 		Shares
Change %
PPA
101
Parametric Portfolio Associates
Washington
– – -36,231 Closed
IRF
102
IBM Retirement Fund
New York
– – -31,843 Closed
AP
103
AlpInvest Partners
Netherlands
– – -31,794 Closed
DCM
104
Driehaus Capital Management
Illinois
– – -28,800 Closed
HP
105
Harbourvest Partners
Massachusetts
– – -21,271 Closed
Bank of Montreal
106
Bank of Montreal
Ontario, Canada
– – -16,021 Closed
Barclays
107
Barclays
United Kingdom
– – -14,208 Closed
RG
108
Renaissance Group
Kentucky
– – -13,616 Closed
PP
109
Paloma Partners
Connecticut
– – -12,100 Closed
TC
110
Travelers Companies
Minnesota
– – -2,654 Closed
SSG
111
Summit Securities Group
New York
– – -1,400 Closed
WTIM
112
Wilmington Trust Investment Management
Delaware
– – -380 Closed
CCM
113
Cupps Capital Management
Illinois
– – -170 Closed
SNC
114
Stifel Nicolaus & Co
Missouri
– – – –
PG
115
PEAK6 Group
Illinois
– – – –
1 2 3 4
5