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Ambarella
AMBA

Overview Fund Activity

220 hedge funds and large institutions have $1.38B invested in Ambarella in 2017 Q4 according to their latest regulatory filings, with 52 funds opening new positions, 61 increasing their positions, 66 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
220
Holders Change
+16
Holders Change %
+7.84%
% of All Funds
5%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
52
Increased
61
Reduced
66
Closed
36
Calls
$210M
Puts
$136M
Net Calls
+$74.1M
Net Calls Change
-$62.6M

Top Buyers

1
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$39.6M
2
CCM
2
Criterion Capital Management
California
$35.2M
3
Wellington Management Group
3
Wellington Management Group
Massachusetts
$34.9M
4
Balyasny Asset Management
4
Balyasny Asset Management
Illinois
$32.1M
5
Millennium Management
5
Millennium Management
New York
$27.1M

Top Sellers

1
Citadel Advisors
1
Citadel Advisors
Florida
$506K
2
Susquehanna International Group
2
Susquehanna International Group
Pennsylvania
$10.9M
3
VBA
3
Van Berkom & Associates
Quebec, Canada
$59.8M
4
Citigroup
4
Citigroup
New York
$714K
5
Deutsche Bank
5
Deutsche Bank
Germany
$15.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
First Trust Advisors
126
First Trust Advisors
Illinois
$543K +$543K +9,244 New
CC
127
Cipher Capital
New York
$510K +$510K +8,695 New
Citadel Advisors
128
Citadel Advisors
Florida
$506K -$56.4M -959,209 -99%
Envestnet Asset Management
129
Envestnet Asset Management
Illinois
$506K +$6.75K +115 +1%
MA
130
MANA Advisors
New York
$504K +$504K +8,582 New
SFSIG
131
San Francisco Sentry Investment Group
California
$477K +$417K +7,100 +693%
DIA
132
Denver Investment Advisors
Colorado
$444K -$37.3K -636 -8%
Macquarie Group
133
Macquarie Group
Australia
$441K +$441K +7,500 New
AG
134
Advisor Group
Arizona
$433K +$6.58K +112 +2%
Public Employees Retirement Association of Colorado
135
Public Employees Retirement Association of Colorado
Colorado
$419K – – –
Creative Planning
136
Creative Planning
Kansas
$398K -$33.2K -565 -8%
Two Sigma Investments
137
Two Sigma Investments
New York
$398K +$398K +6,780 New
CG
138
Cutler Group
California
$377K +$314K +5,356 +502%
HighTower Advisors
139
HighTower Advisors
Illinois
$284K +$284K +4,794 New
AG
140
Aperio Group
California
$283K +$27.4K +466 +11%
ProShare Advisors
141
ProShare Advisors
Maryland
$283K +$283K +4,820 New
FPF
142
FNY Partners Fund
New York
$279K +$273K +4,650 +4,650%
SF
143
Synovus Financial
Georgia
$267K +$1.01K +17 +0.4%
BHC
144
Bowen Hanes & Co
Florida
$264K – – –
AB
145
Amalgamated Bank
New York
$257K +$16.9K +288 +7%
AZA
146
Arthur Zaske & Associates
Michigan
$246K – – –
AAP
147
Ardsley Advisory Partners
Connecticut
$235K +$235K +4,000 New
CA
148
Continuum Advisory
Idaho
$234K +$234K +3,983 New
Janney Montgomery Scott
149
Janney Montgomery Scott
Pennsylvania
$233K -$23K -390 -9%
Cambridge Investment Research Advisors
150
Cambridge Investment Research Advisors
Iowa
$230K -$51K -868 -18%
4 5
6
7 8