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Ambarella
AMBA

Overview Fund Activity

294 hedge funds and large institutions have $1.77B invested in Ambarella in 2025 Q1 according to their latest regulatory filings, with 58 funds opening new positions, 113 increasing their positions, 93 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
294
Holders Change
-2
Holders Change %
-0.68%
% of All Funds
3.99%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
58
Increased
113
Reduced
93
Closed
53
Calls
$29.7M
Puts
$32.6M
Net Calls
-$2.86M
Net Calls Change
-$4M

Top Buyers

1
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
$32.6M
2
UBS AM
UBS AM
Illinois
$62M
3
OAM
Oberweis Asset Management
Illinois
$28.6M
4
TC
Tairen Capital
Hong Kong
$19.3M
5
Renaissance Technologies
Renaissance Technologies
New York
$18M

Top Sellers

1
William Blair Investment Management
William Blair Investment Management
Illinois
$320K
2
Point72 Asset Management
Point72 Asset Management
Connecticut
$4.77M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
$2.33M
4
Millennium Management
Millennium Management
New York
$45.8M
5
Goldman Sachs
Goldman Sachs
New York
$21.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
US Bancorp
126
US Bancorp
Minnesota
$765K +$522K +10,381 +215%
VanEck Associates
127
VanEck Associates
New York
$725K +$224K +4,463 +45%
LCM
128
Legato Capital Management
California
$719K -$11.8K -234 -2%
Stifel Financial
129
Stifel Financial
Missouri
$717K -$883K -17,545 -55%
WPC
130
White Pine Capital
Minnesota
$697K -$7.2K -143 -1%
SW
131
SteelPeak Wealth
California
$680K +$99.2K +1,970 +17%
Janney Montgomery Scott
132
Janney Montgomery Scott
Pennsylvania
$678K +$478K +9,491 +238%
ACM
133
Aquatic Capital Management
Illinois
$663K -$1.3M -25,739 -66%
Handelsbanken Fonder
134
Handelsbanken Fonder
Sweden
$662K – – –
Capital Fund Management (CFM)
135
Capital Fund Management (CFM)
France
$656K -$2.18M -43,413 -77%
LPL Financial
136
LPL Financial
California
$648K +$85.1K +1,690 +15%
Wolverine Trading
137
Wolverine Trading
Illinois
$647K -$310K -6,134 -32%
New York State Common Retirement Fund
138
New York State Common Retirement Fund
New York
$644K +$24K +478 +4%
Ensign Peak Advisors
139
Ensign Peak Advisors
Utah
$619K – – –
SGI
140
Summit Global Investments
Utah
$596K +$152K +3,011 +34%
Natixis Advisors
141
Natixis Advisors
Massachusetts
$593K -$21.7K -432 -4%
ProShare Advisors
142
ProShare Advisors
Maryland
$579K -$108K -2,155 -16%
OIAM
143
OFI Invest Asset Management
France
$577K +$25.8K +553 +5%
ASRS
144
Arizona State Retirement System
Arizona
$571K -$755 -15 -0.1%
Arrowstreet Capital
145
Arrowstreet Capital
Massachusetts
$567K +$567K +11,270 New
HWAM
146
Hennion & Walsh Asset Management
New Jersey
$564K -$4.93K -98 -0.9%
MNBTD
147
Moody National Bank Trust Division
Texas
$564K +$564K +11,198 New
State Board of Administration of Florida Retirement System
148
State Board of Administration of Florida Retirement System
Florida
$543K – – –
AAM
149
Azzad Asset Management
Virginia
$537K -$1.91K -38 -0.4%
Walleye Trading
150
Walleye Trading
New York
$530K +$530K +10,534 New
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