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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 %
Millennium Management
76
Millennium Management
New York
$4.23M 64,044 -846,127 -93%
Envestnet Asset Management
77
Envestnet Asset Management
Illinois
$4.11M 62,174 +15,222 +32%
RhumbLine Advisers
78
RhumbLine Advisers
Massachusetts
$4.1M 62,113 +3,542 +6%
Wells Fargo
79
Wells Fargo
California
$3.61M 54,650 +4,352 +9%
GCM
80
Graham Capital Management
Connecticut
$3.44M 52,010 -7,718 -13%
SPS
81
Susquehanna Portfolio Strategies
Pennsylvania
$3.23M 48,867 +48,867 New
Citigroup
82
Citigroup
New York
$3.21M 48,656 +6,936 +17%
SEI Investments
83
SEI Investments
Pennsylvania
$3.02M 45,769 +21,200 +86%
GIP
84
Granite Investment Partners
California
$2.94M 44,514 -593 -1%
Wolverine Trading
85
Wolverine Trading
Illinois
$2.9M 43,291 +30,512 +239%
SC
86
Shellback Capital
Massachusetts
$2.89M 43,745 +43,745 New
Franklin Resources
87
Franklin Resources
California
$2.81M 42,506 +249 +0.6%
HAM
88
Harber Asset Management
North Carolina
$2.76M 41,782 +41,782 New
SFI
89
Susquehanna Fundamental Investments
Pennsylvania
$2.66M 40,199 -5,507 -12%
California State Teachers Retirement System (CalSTRS)
90
California State Teachers Retirement System (CalSTRS)
California
$2.4M 36,344 +544 +2%
T. Rowe Price Associates
91
T. Rowe Price Associates
Maryland
$2.19M 33,119 +4,371 +15%
PEAK6
92
PEAK6
Illinois
$2.17M 32,890 -4,577 -12%
FM
93
Freemont Management
Switzerland
$2.09M 31,600 +6,900 +28%
Two Sigma Investments
94
Two Sigma Investments
New York
$2.03M 30,756 +6,588 +27%
State of New Jersey Common Pension Fund D
95
State of New Jersey Common Pension Fund D
New Jersey
$1.97M 29,830 +4,322 +17%
HSBC Holdings
96
HSBC Holdings
United Kingdom
$1.93M 29,297 -3,326 -10%
Handelsbanken Fonder
97
Handelsbanken Fonder
Sweden
$1.76M 26,639 +13,495 +103%
Raymond James Financial
98
Raymond James Financial
Florida
$1.64M 24,847 +4,069 +20%
MIM
99
MetLife Investment Management
New Jersey
$1.61M 24,309 +1,804 +8%
AI
100
Atom Investors
Texas
$1.55M 23,533 +23,533 New
2 3
4
5 6