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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
51
$9.45M
52
$8.89M
53
$8.07M
54
$7.97M
55
$7.83M
56
$7.83M
57
$7.44M
58
$7.34M
59
$6.86M
60
$6.76M
61
$6.71M
62
$6.71M
63
$6.59M
64
$6.4M
65
$6.39M
66
$6.35M
67
$6.21M
68
$5.83M
69
$5.58M
70
$5.09M
71
$5.01M
72
$4.97M
73
$4.74M
74
$4.7M
75
$4.56M