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Ambarella
AMBA

Overview Fund Activity

211 hedge funds and large institutions have $1.18B invested in Ambarella in 2015 Q1 according to their latest regulatory filings, with 54 funds opening new positions, 59 increasing their positions, 82 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
211
Holders Change
+25
Holders Change %
+13.44%
% of All Funds
5.63%
Holding in Top 10
5
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+150%
% of All Funds
0.13%
New
54
Increased
59
Reduced
82
Closed
28
Calls
$112M
Puts
$211M
Net Calls
-$99.4M
Net Calls Change
-$33.2M

Top Buyers

1
Coatue Management
Coatue Management
New York
$72.5M
2
EC
Eminence Capital
New York
$37.9M
3
Wellington Management Group
Wellington Management Group
Massachusetts
$38.7M
4
NCGI
Next Century Growth Investors
Minnesota
$19M
5
Vanguard Group
Vanguard Group
Pennsylvania
$118M

Top Sellers

1
ACM
Andor Capital Management
New York
$9.46M
2
BIT
BlackRock Institutional Trust
California
$26M
3
CPIM
Columbia Partners Investment Management
Virginia
$28.1M
4
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$43.2M
5
RHJA
Rice Hall James & Associates
California
$13.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
RFA
201
Reilly Financial Advisors
California
$8K – – –
ARMC
202
American Research & Management Company
Massachusetts
$8K +$8K +100 New
TNB
203
Thomasville National Bank
Georgia
$8K +$8K +100 New
EFSCE
204
Enterprise Financial Services Corp (EFSC)
Missouri
$6K +$6K +76 New
Zurich Cantonal Bank
205
Zurich Cantonal Bank
Switzerland
$6K +$6K +83 New
AFIA
206
America First Investment Advisors
Nebraska
$4K – – –
CHP
207
Cable Hill Partners
Oregon
$2K -$4K -50 -67%
SEC
208
Seven Eight Capital
New York
$2K +$2K +32 New
Manulife (Manufacturers Life Insurance)
209
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.43K +$56 +738 +4%
SEI Investments
210
SEI Investments
Pennsylvania
$1K -$375 -6 -27%
HR
211
Howe & Rusling
New York
$1K +$1K +15 New
AAM
212
AO Asset Management
New York
– -$12.9M -255,100 Closed
TPCM
213
Tide Point Capital Management
Connecticut
– -$12.7M -250,000 Closed
FA
214
Friess Associates
Delaware
– -$10.3M -203,223 Closed
ARTA
215
A.R.T. Advisors
New York
– -$4.63M -91,332 Closed
NIP
216
Nicholas Investment Partners
California
– -$2.53M -49,800 Closed
HHC
217
Hutchin Hill Capital
New York
– -$1.49M -29,400 Closed
AL
218
Airain Ltd
Guernsey
– -$1.29M -25,343 Closed
OAM
219
Oberweis Asset Management
Illinois
– -$1.1M -21,611 Closed
MSU
220
Mizuho Securities USA
New York
– -$1.01M -20,000 Closed
PG
221
PEAK6 Group
Illinois
– -$974K -19,196 Closed
KCM
222
Kennedy Capital Management
Missouri
– -$925K -18,240 Closed
SPC
223
Sigma Planning Corp
Michigan
– -$842K -16,604 Closed
NI
224
Numeric Investors
Massachusetts
– -$670K -13,200 Closed
PI
225
Panthera Investment
Germany
– -$614K -12,107 Closed
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