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Ambarella
AMBA

Overview Fund Activity

294 hedge funds and large institutions have $1.77B invested in Ambarella in 2025 Q1 according to their latest regulatory filings, with 58 funds opening new positions, 113 increasing their positions, 93 reducing their positions, and 53 closing their positions.

Holders
294
Holders Change
-2
Holders Change %
-0.68%
% of All Funds
3.99%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
58
Increased
113
Reduced
93
Closed
53
Calls
$29.7M
Puts
$32.6M
Net Calls
-$2.86M
Net Calls Change
-$4M

Top Buyers

1
Jacobs Levy Equity Management
1
Jacobs Levy Equity Management
New Jersey
$32.6M
2
UBS AM
2
UBS AM
Illinois
$62M
3
OAM
3
Oberweis Asset Management
Illinois
$28.6M
4
TC
4
Tairen Capital
Hong Kong
$19.3M
5
Renaissance Technologies
5
Renaissance Technologies
New York
$18M

Top Sellers

1
William Blair Investment Management
1
William Blair Investment Management
Illinois
$320K
2
Point72 Asset Management
2
Point72 Asset Management
Connecticut
$4.77M
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$2.33M
4
Millennium Management
4
Millennium Management
New York
$45.8M
5
Goldman Sachs
5
Goldman Sachs
New York
$21.2M
Name Market Value Shares Shares
Change 		Shares
Change %
Squarepoint
301
Squarepoint
New York
– – -21,492 Closed
ECM
302
ExodusPoint Capital Management
New York
– – -20,664 Closed
AWA
303
Artemis Wealth Advisors
New York
– – -20,000 Closed
Parallax Volatility Advisers
304
Parallax Volatility Advisers
California
– – -10,970 Closed
Simplex Trading
305
Simplex Trading
Illinois
– – -7,206 Closed
CC
306
Corton Capital
Ontario, Canada
– – -6,952 Closed
XT
307
XTX Topco
Cayman Islands
– – -6,526 Closed
ADIM
308
Alpha DNA Investment Management
Maryland
– – -6,466 Closed
TI
309
Tidal Investments
Wisconsin
– – -6,102 Closed
BPC
310
Bryce Point Capital
New York
– – -5,255 Closed
WCM
311
Westerly Capital Management
California
– – -5,000 Closed
PIA
312
Prakash Investment Advisors
Massachusetts
– – -4,000 Closed
Amundi
313
Amundi
France
– – -4,000 Closed
OA
314
Oak Associates
Ohio
– – -3,986 Closed
Wealth Enhancement Advisory Services
315
Wealth Enhancement Advisory Services
Minnesota
– – -3,828 Closed
PA
316
Procyon Advisors
Connecticut
– – -3,685 Closed
PWMAG
317
Pinnacle Wealth Management Advisory Group
New Jersey
– – -3,525 Closed
X
318
Xponance
Pennsylvania
– – -3,516 Closed
SI
319
Stephens Inc
Arkansas
– – -3,506 Closed
RFA
320
Register Financial Advisors
Georgia
– – -3,300 Closed
CIP
321
Cornerstone Investment Partners
Georgia
– – -3,278 Closed
VPIM
322
Vanguard Personalized Indexing Management
California
– – -3,005 Closed
WWM
323
Western Wealth Management
Colorado
– – -3,000 Closed
LP
324
LMR Partners
United Kingdom
– – -3,000 Closed
Envestnet Portfolio Solutions
325
Envestnet Portfolio Solutions
Illinois
– – -2,941 Closed
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13
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