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Ambarella

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: 304329 (+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: 62 (-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
Name Holding Trade Value Shares
Change
Change in
Stake
PWAM
326
Private Wealth Asset Management
Iowa
$330
TIM
327
Tortoise Investment Management
New York
$165 +$145 +2 New
MWPCG
328
Measured Wealth Private Client Group
New Hampshire
$61 +$73 +1 New
Axa
329
Axa
France
-$23.6M -356,992 Closed
Baillie Gifford & Co
330
Baillie Gifford & Co
United Kingdom
-$17.1M -259,380 Closed
Assenagon Asset Management
331
Assenagon Asset Management
Luxembourg
-$17M -257,899 Closed
LP
332
LMR Partners
United Kingdom
-$9.91M -150,000 Closed
TC
333
Tairen Capital
Hong Kong
-$9.65M -146,000 Closed
Neuberger Berman Group
334
Neuberger Berman Group
New York
-$7.97M -120,677 Closed
SLG
335
Stanley-Laman Group
Pennsylvania
-$7.34M -111,164 Closed
HVCM
336
Hel Ved Capital Management
Hong Kong
-$7.54M -103,870 Closed
JG
337
Jain Global
New York
-$6.71M -101,616 Closed
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
338
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
-$4.7M -71,200 Closed
SC
339
Shellback Capital
Massachusetts
-$2.89M -43,745 Closed
SFI
340
Susquehanna Fundamental Investments
Pennsylvania
-$2.66M -40,199 Closed
PEAK6
341
PEAK6
Illinois
-$2.39M -32,890 Closed
FM
342
Freemont Management
Switzerland
-$2.09M -31,600 Closed
KC
343
Katamaran Capital
United Kingdom
-$1.36M -20,595 Closed
SG Americas Securities
344
SG Americas Securities
New York
-$916K -13,871 Closed
WG
345
Winton Group
United Kingdom
-$897K -13,571 Closed
SCP
346
Sender Company & Partners
New York
-$715K -10,829 Closed
Walleye Trading
347
Walleye Trading
New York
-$609K -8,385 Closed
SPM
348
Symmetry Peak Management
Pennsylvania
-$426K -5,860 Closed
CC
349
Centiva Capital
New York
-$339K -5,125 Closed
M1FG
350
Mach-1 Financial Group
Arkansas
-$334K -5,049 Closed