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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 %
State Board of Administration of Florida Retirement System
151
State Board of Administration of Florida Retirement System
Florida
$713K 10,785 – –
OIAM
152
OFI Invest Asset Management
France
$674K 11,974 -411 -3%
KP
153
Keel Point
Alabama
$661K 10,006 – –
Lazard Asset Management
154
Lazard Asset Management
New York
$657K 9,974 +6,485 +186%
State of Tennessee, Department of Treasury
155
State of Tennessee, Department of Treasury
Tennessee
$638K 9,653 +6,735 +231%
BC
156
Bayforest Capital
United Kingdom
$625K 9,461 +3,966 +72%
CAPTRUST Financial Advisors
157
CAPTRUST Financial Advisors
North Carolina
$615K 9,307 +3,895 +72%
PFSRSONJ
158
Police & Firemen's Retirement System of New Jersey
New Jersey
$610K 9,230 +1,138 +14%
CIM
159
CIM Investment Management
Pennsylvania
$604K 8,698 +4,365 +101%
KK
160
KLP Kapitalforvaltning
Norway
$581K 8,800 +800 +10%
Walleye Capital
161
Walleye Capital
New York
$580K 8,778 -78,694 -90%
Walleye Trading
162
Walleye Trading
New York
$554K 8,385 -2,149 -20%
Mariner
163
Mariner
Kansas
$552K 8,355 +1,817 +28%
Mirae Asset Global Investments
164
Mirae Asset Global Investments
South Korea
$551K 8,342 – –
Osaic Holdings
165
Osaic Holdings
Arizona
$550K 7,599 +464 +7%
FRM
166
Fox Run Management
Connecticut
$544K 8,236 -572 -6%
Cerity Partners
167
Cerity Partners
New York
$532K 8,052 +2,315 +40%
OA
168
Oak Associates
Ohio
$521K 7,885 +7,885 New
Zurich Cantonal Bank
169
Zurich Cantonal Bank
Switzerland
$510K 7,722 +1 +0%
CAM
170
Cresset Asset Management
Illinois
$495K 7,491 -949 -11%
Los Angeles Capital Management
171
Los Angeles Capital Management
California
$487K 7,379 – –
Wealth Enhancement Advisory Services
172
Wealth Enhancement Advisory Services
Minnesota
$471K 6,998 +6,998 New
QCM
173
Quantinno Capital Management
New York
$467K 7,063 +2,603 +58%
TRCT
174
Tower Research Capital (TRC)
New York
$457K 6,924 +6,516 +1,597%
PCM
175
Polymer Capital Management
New York
$435K 6,588 -1,710 -21%
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7
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