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Ambarella
AMBA

Overview Fund Activity

186 hedge funds and large institutions have $764M invested in Ambarella in 2014 Q4 according to their latest regulatory filings, with 56 funds opening new positions, 46 increasing their positions, 69 reducing their positions, and 29 closing their positions.

Holders
186
Holders Change
+26
Holders Change %
+16.25%
% of All Funds
4.96%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
56
Increased
46
Reduced
69
Closed
29
Calls
$53.2M
Puts
$119M
Net Calls
-$66.2M
Net Calls Change
+$35.1M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$68.9M
2
Susquehanna International Group
2
Susquehanna International Group
Pennsylvania
$38.1M
3
State of Tennessee, Department of Treasury
3
State of Tennessee, Department of Treasury
Tennessee
$20.3M
4
ACM
4
Andor Capital Management
New York
$40.6M
5
Morgan Stanley
5
Morgan Stanley
New York
$36.9M

Top Sellers

1
Calamos Advisors
1
Calamos Advisors
Illinois
$0
2
RIM
2
RS Investment Management
California
$0
3
TA
3
Teachers Advisors
New York
$2.14M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$76.7M
5
RHJA
5
Rice Hall James & Associates
California
$18.2M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$76.7M 1,513,160 -258,940 -15%
Vanguard Group
2
Vanguard Group
Pennsylvania
$68.9M 1,358,699 +670,875 +98%
Lord, Abbett & Co
3
Lord, Abbett & Co
New Jersey
$46.9M 924,843 +42,442 +5%
ACM
4
Andor Capital Management
New York
$40.6M 800,000 +300,000 +60%
BFA
5
BlackRock Fund Advisors
California
$40.6M 799,897 +111,603 +16%
Susquehanna International Group
6
Susquehanna International Group
Pennsylvania
$38.1M 751,700 +526,807 +234%
Morgan Stanley
7
Morgan Stanley
New York
$36.9M 728,190 +291,777 +67%
CPIM
8
Columbia Partners Investment Management
Virginia
$30.2M 595,574 -161,465 -21%
BIT
9
BlackRock Institutional Trust
California
$30M 590,896 +213,974 +57%
State Street
10
State Street
Massachusetts
$22.5M 444,375 -6,204 -1%
State of Tennessee, Department of Treasury
11
State of Tennessee, Department of Treasury
Tennessee
$20.3M 400,000 +400,000 New
RHJA
12
Rice Hall James & Associates
California
$18.2M 358,764 -182,215 -34%
BA
13
BlackRock Advisors
Delaware
$15.4M 303,659 +130,568 +75%
Northern Trust
14
Northern Trust
Illinois
$13.3M 262,175 -9,151 -3%
AAM
15
AO Asset Management
New York
$12.9M 255,100 +255,100 New
TPCM
16
Tide Point Capital Management
Connecticut
$12.7M 250,000 +250,000 New
O
17
OppenheimerFunds
New York
$10.4M 204,760 +204,760 New
FA
18
Friess Associates
Delaware
$10.3M 203,223 -106,730 -34%
DCM
19
Driehaus Capital Management
Illinois
$9.89M 194,895 +22,234 +13%
OAM
20
Origin Asset Management
United Kingdom
$9.47M 186,729 -25,700 -12%
TCIM
21
TIAA CREF Investment Management
New York
$9.17M 180,747 -7,663 -4%
Allianz Asset Management
22
Allianz Asset Management
Germany
$7.55M 148,832 +580 +0.4%
Bank of New York Mellon
23
Bank of New York Mellon
New York
$6.35M 125,108 -6,483 -5%
Wells Fargo
24
Wells Fargo
California
$6.22M 122,624 +8,676 +8%
VCAM
25
Valentine Capital Asset Management
California
$5.99M 118,094 +118,094 New
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