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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
176
$457K
177
$435K
178
$425K
179
$417K
180
$404K
181
$404K
182
$403K
183
$398K
184
$392K
185
$387K
186
$386K
187
$383K
188
$373K
189
$370K
190
$357K
191
$339K
192
$334K
193
$333K
194
$332K
195
$330K
196
$330K
197
$318K
198
$314K
199
$306K
200
$302K