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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.

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
Holocene Advisors
5
Holocene Advisors
New York
$27.8M

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 Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$128M 2,185,404 +12,525 +0.6%
BlackRock
2
BlackRock
New York
$89.1M 1,516,046 +13,870 +0.9%
Axa
3
Axa
France
$62.5M 1,064,316 +230,238 +28%
VBA
4
Van Berkom & Associates
Quebec, Canada
$59.8M 1,018,476 -297,874 -23%
PA
5
Pinnacle Associates
New York
$55.3M 940,939 -73,550 -7%
TPCM
6
Tide Point Capital Management
Connecticut
$45.3M 771,731 -167,734 -18%
Janus Henderson Group
7
Janus Henderson Group
United Kingdom
$39.6M 673,482 +673,482 New
State Street
8
State Street
Massachusetts
$36.4M 618,851 +25,747 +4%
CCM
9
Criterion Capital Management
California
$35.2M 599,300 +599,300 New
Wellington Management Group
10
Wellington Management Group
Massachusetts
$34.9M 593,787 +563,053 +1,832%
State of Tennessee, Department of Treasury
11
State of Tennessee, Department of Treasury
Tennessee
$33.8M 575,300 -24,700 -4%
Goldman Sachs
12
Goldman Sachs
New York
$32.7M 556,718 +250,020 +82%
Balyasny Asset Management
13
Balyasny Asset Management
Illinois
$32.1M 545,605 +545,605 New
CWAM
14
Columbia Wanger Asset Management
Illinois
$31.4M 535,129 +337,845 +171%
RCAMU
15
Rothschild & Co Asset Management US
Connecticut
$30.1M 511,572 -11,445 -2%
Holocene Advisors
16
Holocene Advisors
New York
$27.8M 473,014 +473,014 New
Morgan Stanley
17
Morgan Stanley
New York
$27.6M 468,986 -182,207 -28%
Millennium Management
18
Millennium Management
New York
$27.1M 461,750 +461,750 New
JCAM
19
Jericho Capital Asset Management
New York
$27.1M 461,154 +461,154 New
D.E. Shaw & Co
20
D.E. Shaw & Co
New York
$23.6M 402,159 +223,606 +125%
Artisan Partners
21
Artisan Partners
Wisconsin
$23.6M 401,087 +43,332 +12%
AllianceBernstein
22
AllianceBernstein
Tennessee
$22M 375,150 -119,849 -24%
Northern Trust
23
Northern Trust
Illinois
$19.6M 333,410 -6,543 -2%
VIA
24
Vident Investment Advisory
Georgia
$18.6M 316,183 +32,192 +11%
ClearBridge Investments
25
ClearBridge Investments
New York
$18.3M 312,093 +2,930 +0.9%
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