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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
151
$733K
152
$728K
153
$715K
154
$713K
155
$674K
156
$661K
157
$657K
158
$638K
159
$625K
160
$615K
161
$610K
162
$604K
163
$581K
164
$580K
165
$554K
166
$552K
167
$551K
168
$544K
169
$532K
170
$521K
171
$510K
172
$500K
173
$487K
174
$471K
175
$467K