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Ambarella
AMBA

Overview Fund Activity

240 hedge funds and large institutions have $1.64B invested in Ambarella in 2015 Q2 according to their latest regulatory filings, with 66 funds opening new positions, 67 increasing their positions, 88 reducing their positions, and 36 closing their positions.

Holders
240
Holders Change
+29
Holders Change %
+13.74%
% of All Funds
6.47%
Holding in Top 10
7
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+40%
% of All Funds
0.19%
New
66
Increased
67
Reduced
88
Closed
36
Calls
$363M
Puts
$562M
Net Calls
-$199M
Net Calls Change
-$99.4M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$235M
2
Wells Fargo
2
Wells Fargo
California
$82M
3
CCM
3
Cadian Capital Management
New York
$48.3M
4
PP
4
PDT Partners
New York
$49.4M
5
Two Sigma Investments
5
Two Sigma Investments
New York
$31.2M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$76M
2
Lord, Abbett & Co
2
Lord, Abbett & Co
New Jersey
$33.5M
3
Susquehanna International Group
3
Susquehanna International Group
Pennsylvania
$25.4M
4
State of Tennessee, Department of Treasury
4
State of Tennessee, Department of Treasury
Tennessee
$9.24M
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$28M
Name Market Value Shares Shares
Change 		Shares
Change %
Parallax Volatility Advisers
151
Parallax Volatility Advisers
California
$483K 4,707 +2,226 +90%
MSU
152
Maple Securities USA
New Jersey
$448K 4,359 +4,359 New
PG
153
PEAK6 Group
Illinois
$448K 4,367 +4,367 New
ARTA
154
A.R.T. Advisors
New York
$425K 4,140 +4,140 New
M&T Bank
155
M&T Bank
New York
$424K 4,126 -3,524 -46%
Public Employees Retirement Association of Colorado
156
Public Employees Retirement Association of Colorado
Colorado
$418K 4,075 +4,075 New
RCM
157
Reynolds Capital Management
Nevada
$411K 4,000 +1,200 +43%
PA
158
Pinnacle Associates
New York
$408K 3,970 -7,750 -66%
ProShare Advisors
159
ProShare Advisors
Maryland
$406K 3,953 -1,612 -29%
MTIM
160
Marathon Trading Investment Management
Pennsylvania
$400K 3,900 +3,900 New
SO
161
STRS Ohio
Ohio
$338K 3,300 -15,000 -82%
AB
162
Amalgamated Bank
New York
$333K 3,242 +316 +11%
SPC
163
Sigma Planning Corp
Michigan
$327K 3,182 +3,182 New
ACI
164
Alpha Cubed Investments
California
$308K 3,000 +3,000 New
CL
165
CIM LLC
New York
$295K 2,875 -495 -15%
P
166
Pitcairn
Pennsylvania
$289K 2,815 -893 -24%
QC
167
Quadrature Capital
United Kingdom
$276K 2,688 +2,688 New
BNP Paribas Financial Markets
168
BNP Paribas Financial Markets
France
$268K 2,606 +1,921 +280%
Simplex Trading
169
Simplex Trading
Illinois
$257K 2,512 -3,528 -58%
DY
170
Dowling & Yahnke
California
$257K 2,500 +2,500 New
BRWA
171
B. Riley Wealth Advisors
Florida
$255K 2,477 +2,477 New
CCMW
172
Cypress Capital Management (Wyoming)
Wyoming
$249K 2,424 +2,424 New
AIP
173
Ameritas Investment Partners
Nebraska
$248K 2,418 +2,418 New
IH
174
IFC Holdings
Florida
$246K 2,409 +2,409 New
CFA
175
Camarda Financial Advisors
Florida
$244K 2,377 +85 +4%
5 6
7
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