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Ambarella
AMBA

Overview Fund Activity

301 hedge funds and large institutions have $2.32B invested in Ambarella in 2025 Q2 according to their latest regulatory filings, with 59 funds opening new positions, 107 increasing their positions, 104 reducing their positions, and 50 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
301
Holders Change
+7
Holders Change %
+2.38%
% of All Funds
4.04%
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
107
Reduced
104
Closed
50
Calls
$64.4M
Puts
$61.2M
Net Calls
+$3.15M
Net Calls Change
+$6.01M

Top Buyers

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

Top Sellers

1
UBS AM
UBS AM
Illinois
$15.4M
2
Millennium Management
Millennium Management
New York
$4.23M
3
WP
Woodline Partners
California
$0
4
TC
Tairen Capital
Hong Kong
$9.65M
5
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
$29.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
SCP
151
Sender Company & Partners
New York
$715K -$1.35M -20,447 -65%
State Board of Administration of Florida Retirement System
152
State Board of Administration of Florida Retirement System
Florida
$713K – – –
OIAM
153
OFI Invest Asset Management
France
$674K -$23.1K -411 -3%
KP
154
Keel Point
Alabama
$661K – – –
Lazard Asset Management
155
Lazard Asset Management
New York
$657K +$427K +6,485 +186%
State of Tennessee, Department of Treasury
156
State of Tennessee, Department of Treasury
Tennessee
$638K +$445K +6,735 +231%
BC
157
Bayforest Capital
United Kingdom
$625K +$262K +3,966 +72%
CAPTRUST Financial Advisors
158
CAPTRUST Financial Advisors
North Carolina
$615K +$257K +3,895 +72%
PFSRSONJ
159
Police & Firemen's Retirement System of New Jersey
New Jersey
$610K +$75.2K +1,138 +14%
CIM
160
CIM Investment Management
Pennsylvania
$604K +$303K +4,365 +101%
KK
161
KLP Kapitalforvaltning
Norway
$581K +$52.9K +800 +10%
Walleye Capital
162
Walleye Capital
New York
$580K -$5.2M -78,694 -90%
Walleye Trading
163
Walleye Trading
New York
$554K -$142K -2,149 -20%
Mariner
164
Mariner
Kansas
$552K +$120K +1,817 +28%
Mirae Asset Global Investments
165
Mirae Asset Global Investments
South Korea
$551K – – –
Osaic Holdings
166
Osaic Holdings
Arizona
$550K +$33.6K +464 +7%
FRM
167
Fox Run Management
Connecticut
$544K -$37.8K -572 -6%
Cerity Partners
168
Cerity Partners
New York
$532K +$153K +2,315 +40%
OA
169
Oak Associates
Ohio
$521K +$521K +7,885 New
Zurich Cantonal Bank
170
Zurich Cantonal Bank
Switzerland
$510K +$66 +1 +0%
CAM
171
Cresset Asset Management
Illinois
$495K -$62.7K -949 -11%
Los Angeles Capital Management
172
Los Angeles Capital Management
California
$487K – – –
Wealth Enhancement Advisory Services
173
Wealth Enhancement Advisory Services
Minnesota
$471K +$471K +6,998 New
QCM
174
Quantinno Capital Management
New York
$467K +$172K +2,603 +58%
TRCT
175
Tower Research Capital (TRC)
New York
$457K +$430K +6,516 +1,597%
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