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Ambarella
AMBA

Overview Fund Activity

222 hedge funds and large institutions have $1.55B invested in Ambarella in 2019 Q3 according to their latest regulatory filings, with 47 funds opening new positions, 67 increasing their positions, 76 reducing their positions, and 24 closing their positions.

Holders
222
Holders Change
+23
Holders Change %
+11.56%
% of All Funds
4.88%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
47
Increased
67
Reduced
76
Closed
24
Calls
$96.6M
Puts
$103M
Net Calls
-$6.37M
Net Calls Change
+$1.97M

Top Buyers

1
BlackRock
1
BlackRock
New York
$172M
2
D.E. Shaw & Co
2
D.E. Shaw & Co
New York
$61.8M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$49.5M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$179M
5
Geode Capital Management
5
Geode Capital Management
Massachusetts
$27.9M

Top Sellers

1
Morgan Stanley
1
Morgan Stanley
New York
$57.3M
2
Fidelity International
2
Fidelity International
Bermuda
$53.3M
3
Citadel Advisors
3
Citadel Advisors
Florida
$25.9M
4
AAMU
4
Amundi Asset Management US
Massachusetts
$0
5
Neuberger Berman Group
5
Neuberger Berman Group
New York
$29M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$179M 2,845,668 +398,704 +16%
BlackRock
2
BlackRock
New York
$172M 2,735,206 +796,370 +41%
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$61.8M 983,044 +725,552 +282%
Morgan Stanley
4
Morgan Stanley
New York
$57.3M 912,613 -599,248 -40%
Fidelity International
5
Fidelity International
Bermuda
$53.3M 847,805 -407,376 -32%
Axa
6
Axa
France
$50.5M 802,928 -161,283 -17%
Renaissance Technologies
7
Renaissance Technologies
New York
$49.5M 787,226 +407,226 +107%
Janus Henderson Group
8
Janus Henderson Group
United Kingdom
$45.8M 728,889 -37,979 -5%
Dimensional Fund Advisors
9
Dimensional Fund Advisors
Texas
$44.3M 704,936 -297 -0%
PA
10
Pinnacle Associates
New York
$41.4M 658,309 -32,500 -5%
State Street
11
State Street
Massachusetts
$40.8M 648,808 +32,932 +5%
CCI
12
Columbus Circle Investors
$33.1M 527,032 +262,519 +99%
Artisan Partners
13
Artisan Partners
Wisconsin
$29.9M 475,377 +24,112 +5%
Neuberger Berman Group
14
Neuberger Berman Group
New York
$29M 462,017 -172,320 -27%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$27.9M 444,413 +270,694 +156%
Citadel Advisors
16
Citadel Advisors
Florida
$25.9M 412,276 -371,776 -47%
Northern Trust
17
Northern Trust
Illinois
$25.5M 405,711 +79,961 +25%
Baillie Gifford & Co
18
Baillie Gifford & Co
United Kingdom
$25.1M 400,246 +6,042 +2%
Millennium Management
19
Millennium Management
New York
$20.6M 327,253 +109,916 +51%
TCM
20
Tributary Capital Management
Nebraska
$19.3M 306,365 -11,220 -4%
WRF
21
Waddell & Reed Financial
Kansas
$17.1M 271,741 -150 -0.1%
GLA
22
Great Lakes Advisors
Illinois
$15.5M 246,709 -66,445 -21%
KBC Group
23
KBC Group
Belgium
$14.9M 236,789 +1,276 +0.5%
Two Sigma Investments
24
Two Sigma Investments
New York
$14.3M 227,628 +173,796 +323%
Arrowstreet Capital
25
Arrowstreet Capital
Massachusetts
$14.1M 224,637 +224,637 New
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