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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.

New
Increased
Maintained
Reduced
Closed
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 Holding Trade Value Shares
Change 		Shares
Change %
VOYA Investment Management
151
VOYA Investment Management
Georgia
$513K -$58.7K -1,166 -10%
IMC Chicago
152
IMC Chicago
Illinois
$506K +$506K +10,046 New
KP
153
Keel Point
Alabama
$504K – – –
JF
154
Jump Financial
Illinois
$468K -$1.09M -21,602 -70%
GC
155
Guggenheim Capital
Illinois
$453K -$8.25K -164 -2%
FRM
156
Fox Run Management
Connecticut
$443K +$141K +2,811 +47%
RSC
157
Red Spruce Capital
Pennsylvania
$434K +$434K +8,621 New
CWM
158
CIBC World Markets
New York
$431K +$252K +5,014 +141%
CAM
159
Cresset Asset Management
Illinois
$425K -$132K -2,613 -24%
HF
160
HRT Financial
New York
$423K -$680K -13,528 -62%
Mirae Asset Global Investments
161
Mirae Asset Global Investments
South Korea
$422K -$143K -2,816 -25%
PCM
162
Polymer Capital Management
New York
$418K +$249K +4,948 +148%
PFSRSONJ
163
Police & Firemen's Retirement System of New Jersey
New Jersey
$407K – – –
KK
164
KLP Kapitalforvaltning
Norway
$403K – – –
SCM
165
Semanteon Capital Management
Massachusetts
$402K +$134K +2,669 +50%
OFG
166
OmniStar Financial Group
North Carolina
$399K +$399K +7,929 New
Zurich Cantonal Bank
167
Zurich Cantonal Bank
Switzerland
$389K +$31K +615 +9%
YIH
168
Y-Intercept (HK)
Hong Kong
$386K -$6.24K -124 -2%
Mackenzie Financial
169
Mackenzie Financial
Ontario, Canada
$382K +$59.9K +1,190 +19%
Los Angeles Capital Management
170
Los Angeles Capital Management
California
$371K -$15K -299 -4%
Commonwealth Equity Services
171
Commonwealth Equity Services
Massachusetts
$371K +$29.3K +582 +9%
HT
172
Headlands Technologies
Illinois
$362K +$362K +7,193 New
Osaic Holdings
173
Osaic Holdings
Arizona
$359K -$159K -3,169 -31%
Universal-Beteiligungs- und Servicegesellschaft
174
Universal-Beteiligungs- und Servicegesellschaft
Germany
$354K +$41.4K +822 +13%
EF
175
Empowered Funds
Pennsylvania
$344K +$88.5K +1,758 +35%
5 6
7
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