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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 %
CPIM
1
Columbia Partners Investment Management
Virginia
$12.4M 634,504 +52,140 +9%
BFA
2
BlackRock Fund Advisors
California
$10.2M 522,302 +60,899 +13%
AFG
3
Albion Financial Group
Utah
$7.47M 382,782 +382,782 New
PI
4
Putnam Investments
Massachusetts
$6.85M 350,759 +10,500 +3%
BA
5
BlackRock Advisors
Delaware
$5.72M 293,184 -31,081 -10%
Morgan Stanley
6
Morgan Stanley
New York
$5.12M 262,285 +72,256 +38%
State Street
7
State Street
Massachusetts
$4.91M 251,707 +39,459 +19%
BIT
8
BlackRock Institutional Trust
California
$4.84M 247,942 -30,523 -11%
Northern Trust
9
Northern Trust
Illinois
$4.28M 219,446 +99,759 +83%
AIS
10
AlphaOne Investment Services
Pennsylvania
$3.87M 198,281 +73,481 +59%
PP
11
PDT Partners
New York
$3.82M 195,548 +195,548 New
Two Sigma Investments
12
Two Sigma Investments
New York
$3.32M 170,225 +170,225 New
Arrowstreet Capital
13
Arrowstreet Capital
Massachusetts
$3.24M 165,834 +165,834 New
Geode Capital Management
14
Geode Capital Management
Massachusetts
$2.97M 151,897 +88,030 +138%
RIM
15
RS Investment Management
California
$2.61M 133,600 +26,600 +25%
Allianz Asset Management
16
Allianz Asset Management
Germany
$2.57M 131,627 -4,373 -3%
Jane Street
17
Jane Street
New York
$2.51M 128,798 +128,798 New
T. Rowe Price Associates
18
T. Rowe Price Associates
Maryland
$2.46M 126,158 -61,070 -33%
TCIM
19
TIAA CREF Investment Management
New York
$2.08M 106,609 -3,980 -4%
OAM
20
Oberweis Asset Management
Illinois
$2.05M 104,900 +54,800 +109%
TI
21
Turner Investments
Pennsylvania
$2.03M 103,871 +103,871 New
CCM
22
Connective Capital Management
California
$2.01M 102,779 +39,627 +63%
NFA
23
Nationwide Fund Advisors
Ohio
$1.92M 98,450 +184 +0.2%
CCM
24
Cadence Capital Management
Massachusetts
$1.87M 95,828 +71,818 +299%
OAM
25
Oxford Asset Management
United Kingdom
$1.81M 92,609 +92,609 New
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