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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
Millennium Management
5
Millennium Management
New York
$27.1M

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 %
T. Rowe Price Associates
26
T. Rowe Price Associates
Maryland
$16M 271,650 +271,650 New
JPMorgan Chase & Co
27
JPMorgan Chase & Co
New York
$15.7M 267,888 +267,840 +558,000%
Deutsche Bank
28
Deutsche Bank
Germany
$15.7M 267,418 -238,185 -47%
TCM
29
Tributary Capital Management
Nebraska
$15.2M 258,968 -6,930 -3%
Capital Fund Management (CFM)
30
Capital Fund Management (CFM)
France
$14.3M 242,871 +37,000 +18%
Royal Bank of Canada
31
Royal Bank of Canada
Ontario, Canada
$11.9M 202,559 -17,377 -8%
Baillie Gifford & Co
32
Baillie Gifford & Co
United Kingdom
$11.5M 196,537 +19,538 +11%
PSCM
33
Prince Street Capital Management
New York
$11.2M 189,800 -1,100 -0.6%
Susquehanna International Group
34
Susquehanna International Group
Pennsylvania
$10.9M 184,671 -304,515 -62%
Dimensional Fund Advisors
35
Dimensional Fund Advisors
Texas
$10.2M 172,765 – –
GES
36
GO ETF Solutions
United Kingdom
$10.1M 172,254 +22,956 +15%
Parallax Volatility Advisers
37
Parallax Volatility Advisers
California
$9.8M 166,735 +165,010 +9,566%
SAM
38
Shell Asset Management
Netherlands
$9.44M 160,600 -71,568 -31%
State of Wisconsin Investment Board
39
State of Wisconsin Investment Board
Wisconsin
$8.81M 150,000 – –
Bank of New York Mellon
40
Bank of New York Mellon
New York
$7.67M 130,540 -4,277 -3%
AAMU
41
Amundi Asset Management US
Massachusetts
$7.16M 121,920 +121,920 New
Bank of America
42
Bank of America
North Carolina
$6.91M 117,573 -6,703 -5%
New York State Common Retirement Fund
43
New York State Common Retirement Fund
New York
$6.83M 116,258 +7,183 +7%
PCM
44
Portolan Capital Management
Massachusetts
$6.48M 110,229 -43,415 -28%
Thrivent Financial for Lutherans
45
Thrivent Financial for Lutherans
Minnesota
$5.6M 95,341 – –
RIA
46
RPG Investment Advisory
California
$5.55M 94,418 +785 +0.8%
SEI Investments
47
SEI Investments
Pennsylvania
$5.19M 88,401 -658 -0.7%
Geode Capital Management
48
Geode Capital Management
Massachusetts
$5.17M 88,075 +1,735 +2%
Group One Trading
49
Group One Trading
Illinois
$4.88M 83,016 +11,741 +16%
ERSOT
50
Employees Retirement System of Texas
Texas
$4.82M 82,000 +41,000 +100%
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