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Ambarella
AMBA

Overview Fund Activity

298 hedge funds and large institutions have $2.31B invested in Ambarella in 2025 Q2 according to their latest regulatory filings, with 59 funds opening new positions, 105 increasing their positions, 104 reducing their positions, and 50 closing their positions.

Holders
298
Holders Change
+4
Holders Change %
+1.36%
% of All Funds
4%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
59
Increased
105
Reduced
104
Closed
50
Calls
$50.3M
Puts
$52.3M
Net Calls
-$1.98M
Net Calls Change
+$886K

Top Buyers

1
JCAM
1
Jericho Capital Asset Management
New York
$72.6M
2
Squarepoint
2
Squarepoint
New York
$36.8M
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$30.4M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$341M
5
Citadel Advisors
5
Citadel Advisors
Florida
$62.5M

Top Sellers

1
UBS AM
1
UBS AM
Illinois
$15.4M
2
Millennium Management
2
Millennium Management
New York
$4.23M
3
WP
3
Woodline Partners
California
$0
4
TC
4
Tairen Capital
Hong Kong
$9.65M
5
Jacobs Levy Equity Management
5
Jacobs Levy Equity Management
New Jersey
$29.6M
Name Market Value Shares Shares
Change 		Shares
Change %
Barclays
26
Barclays
United Kingdom
$23.1M 349,567 +40,527 +13%
Charles Schwab
27
Charles Schwab
California
$22.9M 345,872 +22,372 +7%
Invesco
28
Invesco
Georgia
$22.8M 345,447 +39,091 +13%
SBH
29
Segall Bryant & Hamill
Illinois
$22.8M 344,834 +35,314 +11%
Mirae Asset Global ETFs Holdings
30
Mirae Asset Global ETFs Holdings
Hong Kong
$18.6M 280,419 -4,773 -2%
Baillie Gifford & Co
31
Baillie Gifford & Co
United Kingdom
$17.1M 259,380 -30,543 -11%
Assenagon Asset Management
32
Assenagon Asset Management
Luxembourg
$17M 257,899 -223 -0.1%
RS
33
Robeco Schweiz
Switzerland
$16.7M 253,120 -166,000 -40%
Qube Research & Technologies (QRT)
34
Qube Research & Technologies (QRT)
United Kingdom
$15.8M 239,606 -42,791 -15%
UBS AM
35
UBS AM
Illinois
$15.4M 232,634 -999,638 -81%
Acadian Asset Management
36
Acadian Asset Management
Massachusetts
$14.9M 225,787 +111,968 +98%
AQR Capital Management
37
AQR Capital Management
Connecticut
$14.9M 224,997 +140,126 +165%
TCM
38
Tributary Capital Management
Nebraska
$14.9M 224,856 -15,559 -6%
AG
39
Algert Global
California
$14.6M 221,363 -16,938 -7%
Fidelity Investments
40
Fidelity Investments
Massachusetts
$14.6M 220,745 -7,671 -3%
SCM
41
SG Capital Management
Illinois
$12.5M 189,221 +132,866 +236%
Deutsche Bank
42
Deutsche Bank
Germany
$11.8M 179,143 +103,429 +137%
Voloridge Investment Management
43
Voloridge Investment Management
Florida
$11.8M 178,060 +178,060 New
First Trust Advisors
44
First Trust Advisors
Illinois
$11.6M 174,919 +3,967 +2%
UBS Group
45
UBS Group
Switzerland
$11.3M 171,441 +20,218 +13%
TI
46
Trexquant Investment
Connecticut
$10.6M 160,359 +82,119 +105%
LP
47
LMR Partners
United Kingdom
$9.91M 150,000 +150,000 New
PCR
48
Potrero Capital Research
California
$9.91M 150,000 +150,000 New
TC
49
Tairen Capital
Hong Kong
$9.65M 146,000 -237,120 -62%
WCM
50
Westerly Capital Management
California
$9.45M 143,000 +143,000 New
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