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Ambarella
AMBA

Overview Fund Activity

204 hedge funds and large institutions have $1.05B invested in Ambarella in 2017 Q3 according to their latest regulatory filings, with 36 funds opening new positions, 68 increasing their positions, 59 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
204
Holders Change
+5
Holders Change %
+2.51%
% of All Funds
5.09%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
36
Increased
68
Reduced
59
Closed
30
Calls
$226M
Puts
$89M
Net Calls
+$137M
Net Calls Change
+$102M

Top Buyers

1
Citadel Advisors
Citadel Advisors
Florida
$47.4M
2
AllianceBernstein
AllianceBernstein
Tennessee
$24.3M
3
PA
Pinnacle Associates
New York
$49.7M
4
Artisan Partners
Artisan Partners
Wisconsin
$17.5M
5
TPCM
Tide Point Capital Management
Connecticut
$46M

Top Sellers

1
EAM
Eagle Asset Management
Florida
$0
2
RHJA
Rice Hall James & Associates
California
$0
3
Nomura Asset Management
Nomura Asset Management
Japan
$515K
4
KRC
Kingdom Ridge Capital
New York
$0
5
RI
Redwood Investments
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
AFIA
201
America First Investment Advisors
Nebraska
$2K – – –
JPMorgan Chase & Co
202
JPMorgan Chase & Co
New York
$2K – – –
ED
203
Exane Derivatives
France
$1.62K – – –
WPC
204
White Pine Capital
Minnesota
$875 -$37 -745 -4%
EAM
205
Eagle Asset Management
Florida
– -$55.9M -1,152,405 Closed
RHJA
206
Rice Hall James & Associates
California
– -$20M -412,670 Closed
KRC
207
Kingdom Ridge Capital
New York
– -$8.31M -171,150 Closed
RI
208
Redwood Investments
Massachusetts
– -$6.73M -138,560 Closed
PP
209
PDT Partners
New York
– -$6.15M -126,620 Closed
WMSA
210
Weiss Multi-Strategy Advisers
New York
– -$3.64M -75,000 Closed
KPF
211
K2 Principal Fund
Ontario, Canada
– -$3.4M -70,000 Closed
AIM
212
Assured Investment Management
New York
– -$1.81M -37,176 Closed
ST
213
Spot Trading
Illinois
– -$1.69M -34,887 Closed
BAMCO Inc
214
BAMCO Inc
New York
– -$1.55M -32,000 Closed
CPIM
215
Columbia Partners Investment Management
Virginia
– -$1.28M -26,332 Closed
Renaissance Technologies
216
Renaissance Technologies
New York
– -$1.13M -23,200 Closed
AIG
217
American International Group
New York
– -$978K -20,138 Closed
PP
218
Paloma Partners
Connecticut
– -$897K -18,472 Closed
Tudor Investment Corp
219
Tudor Investment Corp
Connecticut
– -$580K -11,956 Closed
QT
220
Quantbot Technologies
New York
– -$477K -9,832 Closed
Balyasny Asset Management
221
Balyasny Asset Management
Illinois
– -$455K -9,380 Closed
AA
222
ALPS Advisors
Colorado
– -$416K -8,559 Closed
OC
223
Oppenheimer & Co
New York
– -$411K -8,456 Closed
Walleye Trading
224
Walleye Trading
New York
– -$350 -7,199 Closed
Brown Advisory
225
Brown Advisory
Maryland
– -$328K -6,765 Closed
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