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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 %
U
26
UBS
Switzerland
$1.74M 88,916 -86,928 -49%
VAS
27
Valicenti Advisory Services
New York
$1.63M 83,700 +83,700 New
PG
28
Portola Group
California
$1.53M 78,600 -4,300 -5%
GC
29
Globeflex Capital
California
$1.53M 78,467 – –
NCCM
30
Nine Chapters Capital Management
New Jersey
$1.52M 77,700 +60,200 +344%
Susquehanna International Group
31
Susquehanna International Group
Pennsylvania
$1.51M 77,554 -12,117 -14%
SI
32
Scout Investments
Missouri
$1.48M 75,550 +75,550 New
RI
33
Redwood Investments
Massachusetts
$1.39M 71,337 +4,483 +7%
HLA
34
Hamilton Lane Advisors
Pennsylvania
$1.33M 68,067 -4,711 -6%
Bank of New York Mellon
35
Bank of New York Mellon
New York
$1.17M 59,788 +6,733 +13%
Wells Fargo
36
Wells Fargo
California
$1.07M 54,650 +11,644 +27%
BIM
37
BlackRock Investment Management
Delaware
$1.03M 52,670 +4,333 +9%
HHC
38
Hutchin Hill Capital
New York
$968K 49,600 +35,500 +252%
Two Sigma Advisers
39
Two Sigma Advisers
New York
$934K 47,800 +47,800 New
Vanguard Group
40
Vanguard Group
Pennsylvania
$922K 47,228 +2,576 +6%
TC
41
TFS Capital
Pennsylvania
$909K 46,544 -118,727 -72%
CS
42
Credit Suisse
Switzerland
$896K 45,897 +45,897 New
Goldman Sachs
43
Goldman Sachs
New York
$886K 45,414 +45,414 New
CONA
44
Capital One National Association
New York
$817K 41,869 -3,694 -8%
SIM
45
Spark Investment Management
New York
$801K 41,100 -99,400 -71%
Group One Trading
46
Group One Trading
Illinois
$785K 40,196 +1,908 +5%
California Public Employees Retirement System
47
California Public Employees Retirement System
California
$709K 36,300 +36,300 New
GCP
48
GSA Capital Partners
United Kingdom
$661K 33,861 +33,861 New
California State Teachers Retirement System (CalSTRS)
49
California State Teachers Retirement System (CalSTRS)
California
$645K 33,038 +800 +2%
Tudor Investment Corp
50
Tudor Investment Corp
Connecticut
$619K 31,700 +31,700 New
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