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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 %
FGP
201
Freestone Grove Partners
California
$284K 4,294 -699 -14%
Mercer Global Advisors
202
Mercer Global Advisors
Colorado
$284K 4,294 +4,294 New
B
203
Bailard
California
$277K 4,200 +4,200 New
Robeco Institutional Asset Management
204
Robeco Institutional Asset Management
Netherlands
$277K 4,191 +4,191 New
AIP
205
Ameritas Investment Partners
Nebraska
$275K 4,160 +196 +5%
Public Employees Retirement Association of Colorado
206
Public Employees Retirement Association of Colorado
Colorado
$273K 4,125 – –
X
207
Xponance
Pennsylvania
$266K 4,030 +4,030 New
WAM
208
Winslow Asset Management
Ohio
$266K 4,025 -625 -13%
PCM
209
Prelude Capital Management
New York
$244K 3,692 -584 -14%
SI
210
Stephens Inc
Arkansas
$242K 3,667 +3,667 New
TPI
211
Trust Point Inc
Wisconsin
$241K 3,646 -2,902 -44%
SMDAM
212
Sumitomo Mitsui DS Asset Management
Japan
$241K 3,644 -1,945 -35%
EA
213
Emerald Advisers
Pennsylvania
$235K 3,558 +3,558 New
CCIA
214
Campbell & Co Investment Adviser
Maryland
$232K 3,518 -731 -17%
NAM
215
NorthCrest Asset Manangement
Minnesota
$231K 3,433 +3,433 New
RFA
216
Register Financial Advisors
Georgia
$218K 3,300 +3,300 New
FIA
217
FNY Investment Advisers
New York
$212K 3,216 -1,508 -32%
Janney Montgomery Scott
218
Janney Montgomery Scott
Pennsylvania
$210K 3,173 -10,301 -76%
OAM
219
Oxford Asset Management
United Kingdom
$204K 3,084 +3,084 New
Skandinaviska Enskilda Banken (SEB)
220
Skandinaviska Enskilda Banken (SEB)
Sweden
$164K 2,487 -10 -0.4%
Canada Pension Plan Investment Board
221
Canada Pension Plan Investment Board
Ontario, Canada
$159K 2,400 -42,276 -95%
Bank Julius Baer & Co
222
Bank Julius Baer & Co
Switzerland
$142K 2,148 -152 -7%
SSG
223
Summit Securities Group
New York
$132K 2,000 +2,000 New
FFA
224
Farther Finance Advisors
California
$129K 1,954 +37 +2%
AB
225
Amalgamated Bank
New York
$88K 1,330 – –
7 8
9
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