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Ambarella

303 hedge funds and large institutions have $2.32B invested in Ambarella in 2025 Q2 according to their latest regulatory filings, with 58 funds opening new positions, 108 increasing their positions, 105 reducing their positions, and 50 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

5% more call options, than puts

Call options by funds: $64.4M | Put options by funds: $61.2M

3% more repeat investments, than reductions

Existing positions increased: 108 | Existing positions reduced: 105

0.22% less ownership

Funds ownership: 83.06%82.84% (-0.22%)

Holders
303
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$64.4M
Puts
$61.2M
Net Calls
Net Calls Change

Top Buyers

1 +$58.3M
2 +$29.5M
3 +$21.9M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$16.7M
5
Citadel Advisors
Citadel Advisors
Florida
+$12.4M
Name Holding Trade Value Shares
Change
Change in
Stake
126
$998K
127
$994K
128
$989K
129
$974K
130
$945K
131
$943K
132
$921K
133
$916K
134
$902K
135
$899K
136
$897K
137
$895K
138
$893K
139
$857K
140
$846K
141
$837K
142
$836K
143
$812K
144
$802K
145
$797K
146
$780K
147
$779K
148
$776K
149
$756K
150
$738K