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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 %
Vanguard Group
1
Vanguard Group
Pennsylvania
$341M 5,164,126 +315,821 +7%
BlackRock
2
BlackRock
New York
$259M 3,917,779 +128,073 +3%
State Street
3
State Street
Massachusetts
$123M 1,855,170 +151,694 +9%
Manulife (Manufacturers Life Insurance)
4
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$90.6M 1,371,511 +52,954 +4%
JCAM
5
Jericho Capital Asset Management
New York
$72.6M 1,098,482 +1,098,482 New
Fuller & Thaler Asset Management
6
Fuller & Thaler Asset Management
California
$67.2M 1,017,287 +106,376 +12%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$64.5M 976,281 +28,371 +3%
Citadel Advisors
8
Citadel Advisors
Florida
$62.5M 945,660 +234,407 +33%
Morgan Stanley
9
Morgan Stanley
New York
$52.3M 792,128 +30,258 +4%
Legal & General Group
10
Legal & General Group
United Kingdom
$41.9M 634,477 +53,917 +9%
OAM
11
Oberweis Asset Management
Illinois
$37.9M 573,360 +4,535 +0.8%
Bank of America
12
Bank of America
North Carolina
$37.5M 567,886 -7,647 -1%
Squarepoint
13
Squarepoint
New York
$36.8M 557,172 +557,172 New
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$34.1M 516,159 -27,524 -5%
NL
15
Nuveen LLC
North Carolina
$33.3M 504,740 -134,420 -21%
SIMG
16
Stephens Investment Management Group
Texas
$32.6M 493,929 -5,846 -1%
Connor, Clark & Lunn Investment Management (CC&L)
17
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$31.8M 481,163 +123,392 +34%
Balyasny Asset Management
18
Balyasny Asset Management
Illinois
$30.4M 459,562 +413,362 +895%
Jacobs Levy Equity Management
19
Jacobs Levy Equity Management
New Jersey
$29.6M 447,826 -199,962 -31%
PA
20
Pinnacle Associates
New York
$25.7M 388,437 -107,657 -22%
Northern Trust
21
Northern Trust
Illinois
$25.3M 382,670 -4,016 -1%
ETC
22
Exchange Traded Concepts
Oklahoma
$24.5M 370,741 -11,131 -3%
Goldman Sachs
23
Goldman Sachs
New York
$23.8M 360,215 -60,910 -14%
Axa
24
Axa
France
$23.6M 356,992 -5,562 -2%
Renaissance Technologies
25
Renaissance Technologies
New York
$23.2M 350,849 -6,851 -2%
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