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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 %
ACH
76
ArrowMark Colorado Holdings
Colorado
$4.29M -$661K -10,000 -13%
Millennium Management
77
Millennium Management
New York
$4.23M -$55.9M -846,127 -93%
Envestnet Asset Management
78
Envestnet Asset Management
Illinois
$4.11M +$1.01M +15,222 +32%
RhumbLine Advisers
79
RhumbLine Advisers
Massachusetts
$4.1M +$234K +3,542 +6%
Wells Fargo
80
Wells Fargo
California
$3.61M +$288K +4,352 +9%
GCM
81
Graham Capital Management
Connecticut
$3.44M -$510K -7,718 -13%
SPS
82
Susquehanna Portfolio Strategies
Pennsylvania
$3.23M +$3.23M +48,867 New
Citigroup
83
Citigroup
New York
$3.21M +$458K +6,936 +17%
SEI Investments
84
SEI Investments
Pennsylvania
$3.02M +$1.4M +21,200 +86%
GIP
85
Granite Investment Partners
California
$2.94M -$39.2K -593 -1%
Wolverine Trading
86
Wolverine Trading
Illinois
$2.9M +$2.05M +30,512 +239%
SC
87
Shellback Capital
Massachusetts
$2.89M +$2.89M +43,745 New
Franklin Resources
88
Franklin Resources
California
$2.81M +$16.5K +249 +0.6%
HAM
89
Harber Asset Management
North Carolina
$2.76M +$2.76M +41,782 New
SFI
90
Susquehanna Fundamental Investments
Pennsylvania
$2.66M -$364K -5,507 -12%
California State Teachers Retirement System (CalSTRS)
91
California State Teachers Retirement System (CalSTRS)
California
$2.4M +$35.9K +544 +2%
T. Rowe Price Associates
92
T. Rowe Price Associates
Maryland
$2.19M +$289K +4,371 +15%
PEAK6
93
PEAK6
Illinois
$2.17M -$302K -4,577 -12%
FM
94
Freemont Management
Switzerland
$2.09M +$456K +6,900 +28%
Two Sigma Investments
95
Two Sigma Investments
New York
$2.03M +$435K +6,588 +27%
State of New Jersey Common Pension Fund D
96
State of New Jersey Common Pension Fund D
New Jersey
$1.97M +$286K +4,322 +17%
HSBC Holdings
97
HSBC Holdings
United Kingdom
$1.93M -$219K -3,326 -10%
Handelsbanken Fonder
98
Handelsbanken Fonder
Sweden
$1.76M +$892K +13,495 +103%
Raymond James Financial
99
Raymond James Financial
Florida
$1.64M +$269K +4,069 +20%
MIM
100
MetLife Investment Management
New Jersey
$1.61M +$119K +1,804 +8%
2 3
4
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