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Ambarella
AMBA

Overview Fund Activity

240 hedge funds and large institutions have $1.64B invested in Ambarella in 2015 Q2 according to their latest regulatory filings, with 66 funds opening new positions, 67 increasing their positions, 88 reducing their positions, and 36 closing their positions.

Holders
240
Holders Change
+29
Holders Change %
+13.74%
% of All Funds
6.47%
Holding in Top 10
7
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+40%
% of All Funds
0.19%
New
66
Increased
67
Reduced
88
Closed
36
Calls
$363M
Puts
$562M
Net Calls
-$199M
Net Calls Change
-$99.4M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$235M
2
Wells Fargo
2
Wells Fargo
California
$82M
3
CCM
3
Cadian Capital Management
New York
$48.3M
4
PP
4
PDT Partners
New York
$49.4M
5
Two Sigma Investments
5
Two Sigma Investments
New York
$31.2M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$76M
2
Lord, Abbett & Co
2
Lord, Abbett & Co
New Jersey
$33.5M
3
Susquehanna International Group
3
Susquehanna International Group
Pennsylvania
$25.4M
4
State of Tennessee, Department of Treasury
4
State of Tennessee, Department of Treasury
Tennessee
$9.24M
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$28M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$235M 2,285,816 +724,988 +46%
Coatue Management
2
Coatue Management
New York
$103M 1,004,707 +47,191 +5%
Wells Fargo
3
Wells Fargo
California
$82M 798,849 +666,655 +504%
BFA
4
BlackRock Fund Advisors
California
$76.6M 746,078 -56,153 -7%
Fidelity Investments
5
Fidelity Investments
Massachusetts
$76M 739,900 -709,060 -49%
Morgan Stanley
6
Morgan Stanley
New York
$54.3M 528,685 -49,499 -9%
EC
7
Eminence Capital
New York
$51.3M 500,000 – –
PP
8
PDT Partners
New York
$49.4M 480,935 +462,229 +2,471%
State Street
9
State Street
Massachusetts
$48.6M 473,543 +19,490 +4%
CCM
10
Cadian Capital Management
New York
$48.3M 470,000 +470,000 New
Lord, Abbett & Co
11
Lord, Abbett & Co
New Jersey
$33.5M 326,566 -600,978 -65%
Two Sigma Investments
12
Two Sigma Investments
New York
$31.2M 303,931 +303,931 New
Northern Trust
13
Northern Trust
Illinois
$31M 301,767 -6,916 -2%
BIT
14
BlackRock Institutional Trust
California
$28.1M 273,609 -69,174 -20%
Wellington Management Group
15
Wellington Management Group
Massachusetts
$28M 272,205 -239,420 -47%
Bank of New York Mellon
16
Bank of New York Mellon
New York
$27.6M 268,796 +27,739 +12%
O
17
OppenheimerFunds
New York
$27.2M 264,750 -26,300 -9%
Susquehanna International Group
18
Susquehanna International Group
Pennsylvania
$25.4M 247,328 -322,623 -57%
Arrowstreet Capital
19
Arrowstreet Capital
Massachusetts
$23.7M 230,511 +94,161 +69%
MAI
20
Marble Arch Investments
New York
$23.6M 230,000 +230,000 New
JIM
21
Jupiter Investment Management
United Kingdom
$22.1M 215,664 +215,664 New
CPIM
22
Columbia Partners Investment Management
Virginia
$20.4M 198,815 -171,770 -46%
Invesco
23
Invesco
Georgia
$15.3M 148,512 +21,604 +17%
Capital Fund Management (CFM)
24
Capital Fund Management (CFM)
France
$15M 145,854 +45,921 +46%
Citadel Advisors
25
Citadel Advisors
Florida
$14.6M 142,335 +142,335 New
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