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Ambarella
AMBA

Overview Fund Activity

160 hedge funds and large institutions have $636M invested in Ambarella in 2014 Q3 according to their latest regulatory filings, with 47 funds opening new positions, 54 increasing their positions, 43 reducing their positions, and 30 closing their positions.

Holders
160
Holders Change
+17
Holders Change %
+11.89%
% of All Funds
4.65%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.09%
New
47
Increased
54
Reduced
43
Closed
30
Calls
$59M
Puts
$160M
Net Calls
-$101M
Net Calls Change
-$42.9M

Top Buyers

1
Lord, Abbett & Co
1
Lord, Abbett & Co
New Jersey
$38.5M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$30M
3
Calamos Advisors
3
Calamos Advisors
Illinois
$27.7M
4
ACM
4
Andor Capital Management
New York
$21.8M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$77.4M

Top Sellers

1
Susquehanna International Group
1
Susquehanna International Group
Pennsylvania
$9.82M
2
RIM
2
RS Investment Management
California
$18.2M
3
Tiger Global Management
3
Tiger Global Management
New York
$0
4
VM
4
Valinor Management
New York
$0
5
AFG
5
Albion Financial Group
Utah
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$77.4M 1,772,100 +379,600 +27%
Lord, Abbett & Co
2
Lord, Abbett & Co
New Jersey
$38.5M 882,401 +616,807 +232%
CPIM
3
Columbia Partners Investment Management
Virginia
$33.1M 757,039 -114,525 -13%
BFA
4
BlackRock Fund Advisors
California
$30.1M 688,294 -21,485 -3%
Vanguard Group
5
Vanguard Group
Pennsylvania
$30M 687,824 +607,023 +751%
Calamos Advisors
6
Calamos Advisors
Illinois
$27.7M 633,995 +604,410 +2,043%
RHJA
7
Rice Hall James & Associates
California
$23.6M 540,979 -138,768 -20%
ACM
8
Andor Capital Management
New York
$21.8M 500,000 +500,000 New
State Street
9
State Street
Massachusetts
$19.7M 450,579 +87,970 +24%
Morgan Stanley
10
Morgan Stanley
New York
$19.1M 436,413 +230,793 +112%
RIM
11
RS Investment Management
California
$18.2M 416,217 -279,300 -40%
TA
12
Teachers Advisors
New York
$16.8M 385,105 +28,700 +8%
BIT
13
BlackRock Institutional Trust
California
$16.5M 376,922 +24,872 +7%
FA
14
Friess Associates
Delaware
$13.5M 309,953 -47 -0%
Northern Trust
15
Northern Trust
Illinois
$11.8M 271,326 +76,088 +39%
Susquehanna International Group
16
Susquehanna International Group
Pennsylvania
$9.82M 224,893 -379,434 -63%
OAM
17
Origin Asset Management
United Kingdom
$9.28M 212,429 +212,429 New
Jane Street
18
Jane Street
New York
$8.31M 190,388 -55,183 -22%
TCIM
19
TIAA CREF Investment Management
New York
$8.23M 188,410 -6,193 -3%
Wellington Management Group
20
Wellington Management Group
Massachusetts
$8.05M 184,210 +110,098 +149%
CS
21
Credit Suisse
Switzerland
$7.73M 176,997 +117,424 +197%
CCI
22
Columbus Circle Investors
$7.6M 173,980 +173,980 New
BA
23
BlackRock Advisors
Delaware
$7.56M 173,091 +139,490 +415%
DCM
24
Driehaus Capital Management
Illinois
$7.54M 172,661 +102,747 +147%
Stifel Financial
25
Stifel Financial
Missouri
$6.67M 152,821 +121,302 +385%
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