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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 %
QCG
276
Quadrant Capital Group
Ohio
$1.81K 36 +18 +100%
BIG
277
Brooklyn Investment Group
New York
$1.41K 28 +11 +65%
HI
278
Harbour Investments
Wisconsin
$1.26K 25 – –
BHWM
279
Beaird Harris Wealth Management
Texas
$1.11K 22 – –
MPWT
280
MassMutual Private Wealth & Trust
Connecticut
$1.11K 22 +6 +38%
SWM
281
Spire Wealth Management
Virginia
$755 15 – –
NSIM
282
North Star Investment Management
Illinois
$755 15 +15 New
MCM
283
MAI Capital Management
Ohio
$604 12 – –
AAP
284
Arax Advisory Partners
Colorado
$604 12 +12 New
TCM
285
Tradewinds Capital Management
Washington
$504 10 – –
SC
286
Stephens Consulting
Michigan
$504 10 +10 New
NB
287
NBT Bank
New York
$503 10 +10 New
HFS
288
Hughes Financial Services
Virginia
$454 9 +9 New
IA
289
IFP Advisors
Florida
$352 7 – –
TCM
290
TD Capital Management
Tennessee
$352 7 +7 New
PWAM
291
Private Wealth Asset Management
Iowa
$201 4 +4 New
SC
292
SouthState Corp
Florida
$133 3 +3 New
KA
293
Kozak & Associates
Colorado
– – – –
D.E. Shaw & Co
294
D.E. Shaw & Co
New York
– – -51,193 Closed
Two Sigma Advisers
295
Two Sigma Advisers
New York
– – -43,500 Closed
JG
296
Jain Global
New York
– – -40,935 Closed
CM
297
Castleark Management
Illinois
– – -31,960 Closed
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
298
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
– – -30,000 Closed
DADC
299
D.A. Davidson & Co
Montana
– – -22,980 Closed
KCM
300
Kennedy Capital Management
Missouri
– – -21,681 Closed
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12
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