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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 %
Citadel Advisors
51
Citadel Advisors
Florida
$593K 30,383 +22,170 +270%
Millennium Management
52
Millennium Management
New York
$570K 29,200 +29,200 New
ACM
53
Ativo Capital Management
Illinois
$558K 28,569 +6,400 +29%
Charles Schwab
54
Charles Schwab
California
$544K 26,400 – –
ASP
55
Adams Street Partners
Illinois
$538K 27,568 +27,568 New
Deutsche Bank
56
Deutsche Bank
Germany
$508K 26,092 +7,318 +39%
TA
57
Teachers Advisors
New York
$503K 25,753 +1,396 +6%
Cambridge Investment Research Advisors
58
Cambridge Investment Research Advisors
Iowa
$404K 20,673 +9,184 +80%
SCA
59
SAC Capital Advisors
Connecticut
$386K 19,771 +19,771 New
MCTIC
60
MacGuire Cheswick & Tuttle Investment Counsel
Connecticut
$371K 19,000 – –
LPL Financial
61
LPL Financial
California
$353K 17,874 -177,311 -91%
Nomura Holdings
62
Nomura Holdings
Japan
$316K 16,230 +6,150 +61%
RhumbLine Advisers
63
RhumbLine Advisers
Massachusetts
$314K 16,096 -71 -0.4%
SOMRS
64
State of Michigan Retirement System
Michigan
$312K 16,000 +16,000 New
MLICM
65
Metropolitan Life Insurance Company (MetLife)
New York
$306K 15,659 – –
WPC
66
White Pine Capital
Minnesota
$306K 15,700 – –
SPM
67
Symmetry Peak Management
Pennsylvania
$293K 15,000 +15,000 New
EMG
68
Ellington Management Group
Connecticut
$283K 14,500 -4,800 -25%
PNC Financial Services Group
69
PNC Financial Services Group
Pennsylvania
$278K 14,200 +1,499 +12%
AA
70
ALPS Advisors
Colorado
$276K 14,122 +14,122 New
AIG
71
American International Group
New York
$250K 12,801 +8,644 +208%
BJ
72
BlackRock Japan
Japan
$242K 12,397 -506 -4%
ProShare Advisors
73
ProShare Advisors
Maryland
$228K 11,687 +11,687 New
OC
74
Oppenheimer & Co
New York
$217K 11,122 -24,920 -69%
VOYA Investment Management
75
VOYA Investment Management
Georgia
$198K 10,146 – –
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