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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
Vanguard Group
1
Vanguard Group
Pennsylvania
$388M +$25.2M +311,649 +6%
BlackRock
2
BlackRock
New York
$271M -$7.63M -94,393 -2%
State Street
3
State Street
Massachusetts
$121M +$1.75M +21,638 +1%
JCAM
4
Jericho Capital Asset Management
New York
$112M +$30.2M +373,734 +31%
Manulife (Manufacturers Life Insurance)
5
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$75.2M +$16.8M +207,930 +24%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$72.3M +$2.87M +35,510 +4%
Morgan Stanley
7
Morgan Stanley
New York
$64.6M -$3.8M -47,029 -5%
T. Rowe Price Associates
8
T. Rowe Price Associates
Maryland
$61.3M +$67M +828,773 +2,313%
Fuller & Thaler Asset Management
9
Fuller & Thaler Asset Management
California
$60.1M -$21M -259,581 -23%
SPC
10
Slate Path Capital
New York
$57.7M +$65.8M +814,400 New
Squarepoint
11
Squarepoint
New York
$56.2M +$16.7M +206,773 +35%
Point72 Asset Management
12
Point72 Asset Management
Connecticut
$54.7M +$52.6M +650,422 +535%
Barclays
13
Barclays
United Kingdom
$49.2M -$6.47M -80,027 -10%
UBS Group
14
UBS Group
Switzerland
$45M -$15M -186,183 -23%
OAM
15
Oberweis Asset Management
Illinois
$43.8M +$525K +6,500 +1%
Legal & General Group
16
Legal & General Group
United Kingdom
$43.5M +$7.69M +95,218 +18%
Connor, Clark & Lunn Investment Management (CC&L)
17
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$39.5M -$781K -9,671 -2%
Citadel Advisors
18
Citadel Advisors
Florida
$37.9M +$6.52M +80,686 +18%
Dimensional Fund Advisors
19
Dimensional Fund Advisors
Texas
$35.3M -$1.05M -12,939 -3%
SIMG
20
Stephens Investment Management Group
Texas
$33.8M -$44.4K -550 -0.1%
N
21
Nuveen
North Carolina
$33.8M -$6.57M -81,298 -15%
Bank of America
22
Bank of America
North Carolina
$31.7M -$13M -160,334 -26%
Mirae Asset Global ETFs Holdings
23
Mirae Asset Global ETFs Holdings
Hong Kong
$31M +$4.2M +52,029 +13%
DCM
24
Driehaus Capital Management
Illinois
$25.9M -$1.2M -14,880 -4%
Charles Schwab
25
Charles Schwab
California
$25.9M +$571K +7,062 +2%