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Ambarella
AMBA

Overview Fund Activity

298 hedge funds and large institutions have $2.31B invested in Ambarella in 2025 Q2 according to their latest regulatory filings, with 59 funds opening new positions, 105 increasing their positions, 104 reducing their positions, and 50 closing their positions.

Holders
298
Holders Change
+4
Holders Change %
+1.36%
% of All Funds
4%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
59
Increased
105
Reduced
104
Closed
50
Calls
$50.3M
Puts
$52.3M
Net Calls
-$1.98M
Net Calls Change
+$886K

Top Buyers

1
JCAM
1
Jericho Capital Asset Management
New York
$72.6M
2
Squarepoint
2
Squarepoint
New York
$36.8M
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$30.4M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$341M
5
Citadel Advisors
5
Citadel Advisors
Florida
$62.5M

Top Sellers

1
UBS AM
1
UBS AM
Illinois
$15.4M
2
Millennium Management
2
Millennium Management
New York
$4.23M
3
WP
3
Woodline Partners
California
$0
4
TC
4
Tairen Capital
Hong Kong
$9.65M
5
Jacobs Levy Equity Management
5
Jacobs Levy Equity Management
New Jersey
$29.6M
Name Market Value Shares Shares
Change 		Shares
Change %
HT
326
Headlands Technologies
Illinois
– – -7,193 Closed
EF
327
Empowered Funds
Pennsylvania
– – -6,838 Closed
William Blair Investment Management
328
William Blair Investment Management
Illinois
– – -6,351 Closed
DnB Asset Management
329
DnB Asset Management
Norway
– – -6,259 Closed
N
330
Numerai
California
– – -5,658 Closed
PA
331
PharVision Advisers
Florida
– – -5,335 Closed
MSFS
332
Main Street Financial Solutions
Pennsylvania
– – -5,275 Closed
VF
333
Virtu Financial
New York
– – -4,838 Closed
GAM
334
Gotham Asset Management
New York
– – -4,748 Closed
1C
335
111 Capital
France
– – -4,635 Closed
KLCM
336
KG&L Capital Management
Louisiana
– – -4,222 Closed
MF
337
Magnetar Financial
Illinois
– – -4,013 Closed
PHK
338
Point72 Hong Kong
Hong Kong
– – -3,848 Closed
BT
339
Banque Transatlantique
France
– – -1,073 Closed
SW
340
SVB Wealth
Massachusetts
– – -421 Closed
PMAM
341
Picton Mahoney Asset Management
Ontario, Canada
– – -118 Closed
CCM
342
Coldstream Capital Management
Washington
– – -109 Closed
PWMG
343
Private Wealth Management Group
New Jersey
– – -105 Closed
GJIA
344
Glass Jacobson Investment Advisors
Maryland
– – -100 Closed
FPF
345
First Pacific Financial
Washington
– – -62 Closed
BIA
346
Bell Investment Advisors
California
– – -59 Closed
QCG
347
Quadrant Capital Group
Ohio
– – -36 Closed
HFS
348
Hughes Financial Services
Virginia
– – -9 Closed
TCM
349
TD Capital Management
Tennessee
– – -7 Closed
SC
350
SouthState Corp
Florida
– – -3 Closed
11 12 13
14
15