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Ambarella

323 hedge funds and large institutions have $2.62B invested in Ambarella in 2025 Q4 according to their latest regulatory filings, with 57 funds opening new positions, 101 increasing their positions, 118 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

305% more call options, than puts

Call options by funds: $178M | Put options by funds: $44.1M

2.74% more ownership

Funds ownership: 83.3%86.04% (+2.7%)

6% more first-time investments, than exits

New positions opened: 57 | Existing positions closed: 54

2% less funds holding

Funds holding: 329323 (-6)

11% less capital invested

Capital invested by funds: $2.93B → $2.62B (-$310M)

14% less repeat investments, than reductions

Existing positions increased: 101 | Existing positions reduced: 118

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
323
Holders Change
-6
Holders Change %
-1.82%
% of All Funds
3.93%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
57
Increased
101
Reduced
118
Closed
54
Calls
$178M
Puts
$44.1M
Net Calls
+$134M
Net Calls Change
+$41.8M
Name Holding Trade Value Shares
Change
Change in
Stake
Northern Trust
26
Northern Trust
Illinois
$25.8M -$1.55M -19,161 -5%
Balyasny Asset Management
27
Balyasny Asset Management
Illinois
$25.5M +$2.35M +29,097 +9%
PA
28
Pinnacle Associates
New York
$25.4M -$1.42M -17,579 -5%
ETC
29
Exchange Traded Concepts
Oklahoma
$25M +$6.6M +81,668 +30%
Marshall Wace
30
Marshall Wace
United Kingdom
$22.6M +$7.89M +97,619 +44%
Jacobs Levy Equity Management
31
Jacobs Levy Equity Management
New Jersey
$22.6M -$6.37M -78,773 -20%
Handelsbanken Fonder
32
Handelsbanken Fonder
Sweden
$22.1M +$11.5M +142,551 +84%
BNP Paribas Asset Management
33
BNP Paribas Asset Management
France
$21.9M +$25M +309,215 New
SRFM
34
Shannon River Fund Management
New York
$21.3M +$24.3M +301,093 New
Fidelity Investments
35
Fidelity Investments
Massachusetts
$19.9M +$3.19M +39,505 +16%
JP Morgan Chase
36
JP Morgan Chase
New York
$19M +$2.04M +25,242 +10%
AQR Capital Management
37
AQR Capital Management
Connecticut
$16.7M +$441K +5,462 +2%
BNP Paribas Financial Markets
38
BNP Paribas Financial Markets
France
$16.4M +$324K +4,013 +2%
Susquehanna International Group
39
Susquehanna International Group
Pennsylvania
$15.8M +$5.15M +63,719 +40%
AG
40
Algert Global
California
$14.7M -$2.42M -29,970 -13%
Goldman Sachs
41
Goldman Sachs
New York
$14.7M -$24.2M -299,927 -59%
Raymond James Financial
42
Raymond James Financial
Florida
$13.2M +$5.85M +72,355 +62%
Qube Research & Technologies (QRT)
43
Qube Research & Technologies (QRT)
United Kingdom
$12.9M -$8.82M -109,150 -37%
SBH
44
Segall Bryant & Hamill
Illinois
$12.6M -$13M -161,104 -47%
Millennium Management
45
Millennium Management
New York
$12M +$4.12M +51,030 +43%
SI
46
Sora Investors
Pennsylvania
$11.5M +$838K +10,366 +7%
RS
47
Robeco Schweiz
Switzerland
$11.5M -$6.86M -84,950 -34%
PCR
48
Potrero Capital Research
California
$10.5M +$3.49M +43,164 +41%
First Trust Advisors
49
First Trust Advisors
Illinois
$10.4M +$1.97M +24,398 +20%
TI
50
Trexquant Investment
Connecticut
$10.3M -$7.97M -98,594 -40%