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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
NL
1
Nuveen LLC
North Carolina
$32.2M
2
Jacobs Levy Equity Management
2
Jacobs Levy Equity Management
New Jersey
$32.6M
3
UBS AM
3
UBS AM
Illinois
$62M
4
OAM
4
Oberweis Asset Management
Illinois
$28.6M
5
TC
5
Tairen Capital
Hong Kong
$19.3M

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 %
Vanguard Group
1
Vanguard Group
Pennsylvania
$244M 4,848,305 +152,181 +3%
BlackRock
2
BlackRock
New York
$191M 3,789,706 -34,939 -0.9%
State Street
3
State Street
Massachusetts
$85.7M 1,703,476 +116,802 +7%
Manulife (Manufacturers Life Insurance)
4
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$66.4M 1,318,557 -133,571 -9%
UBS AM
5
UBS AM
Illinois
$62M 1,232,272 +579,917 +89%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$47.7M 947,910 +33,376 +4%
Fuller & Thaler Asset Management
7
Fuller & Thaler Asset Management
California
$45.8M 910,911 +185,444 +26%
Millennium Management
8
Millennium Management
New York
$45.8M 910,171 -484,021 -35%
KCM
9
Kodai Capital Management
Illinois
$45.5M 904,536 +125,983 +16%
Morgan Stanley
10
Morgan Stanley
New York
$38.3M 761,870 -80,943 -10%
Citadel Advisors
11
Citadel Advisors
Florida
$35.8M 711,253 -137,726 -16%
Jacobs Levy Equity Management
12
Jacobs Levy Equity Management
New Jersey
$32.6M 647,788 +610,460 +1,635%
NL
13
Nuveen LLC
North Carolina
$32.2M 639,160 +639,160 New
Legal & General Group
14
Legal & General Group
United Kingdom
$29.2M 580,560 +127,867 +28%
Bank of America
15
Bank of America
North Carolina
$29M 575,533 +188,910 +49%
OAM
16
Oberweis Asset Management
Illinois
$28.6M 568,825 +386,025 +211%
Dimensional Fund Advisors
17
Dimensional Fund Advisors
Texas
$27.4M 543,683 -79,436 -13%
SIMG
18
Stephens Investment Management Group
Texas
$25.2M 499,775 -3,693 -0.7%
PA
19
Pinnacle Associates
New York
$25M 496,094 -18,744 -4%
WP
20
Woodline Partners
California
$22.2M 441,385 +178,052 +68%
Goldman Sachs
21
Goldman Sachs
New York
$21.2M 421,125 -302,156 -42%
RS
22
Robeco Schweiz
Switzerland
$21.1M 419,120 +144,200 +52%
Northern Trust
23
Northern Trust
Illinois
$19.5M 386,686 +3,650 +1%
TC
24
Tairen Capital
Hong Kong
$19.3M 383,120 +383,120 New
ETC
25
Exchange Traded Concepts
Oklahoma
$19.2M 381,872 +97,911 +34%
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