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

Top Sellers

1
EAM
1
Eagle Asset Management
Florida
$0
2
RHJA
2
Rice Hall James & Associates
California
$0
3
Nomura Asset Management
3
Nomura Asset Management
Japan
$515K
4
KRC
4
Kingdom Ridge Capital
New York
$0
5
RI
5
Redwood Investments
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Wells Fargo
51
Wells Fargo
California
$3.47M -$191K -3,898 -5%
GT
52
Greenleaf Trust
Michigan
$3.42M -$244K -4,988 -7%
AP
53
AHL Partners
United Kingdom
$3.41M +$1.55M +31,606 +83%
Stifel Financial
54
Stifel Financial
Missouri
$3.31M -$227K -4,626 -6%
SI
55
Scout Investments
Missouri
$3.22M +$3.68K +75 +0.1%
ACH
56
ArrowMark Colorado Holdings
Colorado
$3.19M +$3.19M +65,000 New
NIPH
57
NN Investment Partners Holdings
Netherlands
$3.14M – – –
TA
58
Teachers Advisors
New York
$2.84M -$24.2K -493 -0.8%
NIP
59
Nicholas Investment Partners
California
$2.79M +$758K +15,470 +37%
Swiss National Bank
60
Swiss National Bank
Switzerland
$2.73M – – –
Charles Schwab
61
Charles Schwab
California
$2.61M – – –
MSTVIM
62
Messner & Smith Theme Value Investment Management
California
$2.58M +$759K +15,483 +42%
Two Sigma Advisers
63
Two Sigma Advisers
New York
$2.58M +$456K +9,300 +21%
California State Teachers Retirement System (CalSTRS)
64
California State Teachers Retirement System (CalSTRS)
California
$2.55M -$270K -5,513 -10%
JCM
65
Jafra Capital Management
New York
$2.45M +$2.45M +50,000 New
MOACM
66
Mutual of America Capital Management
New York
$2.39M -$2.74M -55,889 -53%
Jane Street
67
Jane Street
New York
$2.38M +$2.1M +42,824 +746%
UBS Group
68
UBS Group
Switzerland
$2.34M +$1.39M +28,421 +147%
DI
69
Dalton Investments
Nevada
$2.32M – – –
Wolverine Trading
70
Wolverine Trading
Illinois
$2.31M -$1.86M -37,918 -45%
CS
71
Credit Suisse
Switzerland
$2.23M -$141K -2,870 -6%
Baird Financial Group
72
Baird Financial Group
Wisconsin
$2.18M -$1.45M -29,499 -40%
Barclays
73
Barclays
United Kingdom
$2.08M -$2.01M -41,115 -49%
HI
74
Handelsinvest Investeringsforvaltning
Denmark
$2.04M – – –
Daiwa Securities Group
75
Daiwa Securities Group
Japan
$2.03M -$2.5K -51 -0.1%
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3
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