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Ambarella
AMBA
AMBA
329 hedge funds and large institutions have $2.93B invested in Ambarella in 2025 Q3 according to their latest regulatory filings, with 66 funds opening new positions, 113 increasing their positions, 105 reducing their positions, and 39 closing their positions.
New
Increased
Maintained
Reduced
Closed
88% more call options, than puts
Call options by funds: $198M | Put options by funds: $105M
69% more first-time investments, than exits
New positions opened: 66 | Existing positions closed: 39
26% more capital invested
Capital invested by funds: $2.32B → $2.93B (+$613M)
8% more funds holding
Funds holding: 304 → 329 (+25)
8% more repeat investments, than reductions
Existing positions increased: 113 | Existing positions reduced: 105
0.47% more ownership
Funds ownership: 82.84% → 83.3% (+0.47%)
67% less funds holding in top 10
Funds holding in top 10: 6 → 2 (-4)
Holders
329
Holders Change
+25
Holders Change %
+8.22%
% of All Funds
4.32%
Holding in Top 10
2
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-66.67%
% of All Funds
0.03%
New
66
Increased
113
Reduced
105
Closed
39
Calls
$198M
Puts
$105M
Net Calls
+$92.6M
Net Calls Change
+$89.4M
Top Buyers
| 1 |
UBS Group
Zurich,
Switzerland
|
+$47.2M |
| 2 |
Barclays
London,
United Kingdom
|
+$30.9M |
| 3 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
+$27.7M |
| 4 |
BNP Paribas Financial Markets
Paris,
France
|
+$15M |
| 5 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$14.8M |
