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Ambarella
AMBA

Overview Fund Activity

218 hedge funds and large institutions have $1.35B invested in Ambarella in 2020 Q3 according to their latest regulatory filings, with 32 funds opening new positions, 71 increasing their positions, 74 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
218
Holders Change
–
Holders Change %
0%
% of All Funds
4.41%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.06%
New
32
Increased
71
Reduced
74
Closed
30
Calls
$155M
Puts
$47M
Net Calls
+$108M
Net Calls Change
+$3.41M

Top Buyers

1
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$65.6M
2
PIM
2
Platinum Investment Management
Australia
$20.1M
3
SSA
3
Schonfeld Strategic Advisors
New York
$15.1M
4
FCM
4
Frontier Capital Management
Massachusetts
$27.1M
5
Primecap Management
5
Primecap Management
California
$9.31M

Top Sellers

1
Fidelity International
1
Fidelity International
Bermuda
$0
2
Renaissance Technologies
2
Renaissance Technologies
New York
$62.7M
3
VBA
3
Van Berkom & Associates
Quebec, Canada
$35.2M
4
GLA
4
Great Lakes Advisors
Illinois
$0
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$156M
Name Holding Trade Value Shares
Change 		Shares
Change %
SIM
201
Sonora Investment Management
Arizona
$5K – – –
ARMC
202
American Research & Management Company
Massachusetts
$5K – – –
PFBT
203
Parkside Financial Bank & Trust
Missouri
$4K – – –
HR
204
Howe & Rusling
New York
$4K +$1.27K +27 +47%
SFS
205
Sowell Financial Services
Arkansas
$3K -$14.6K -233 -83%
RIA
206
RPG Investment Advisory
California
$3K – – –
RG
207
Retirement Group
California
$3K – – –
S
208
SignatureFD
Georgia
$3K +$2.27K +50 +313%
NSIM
209
North Star Investment Management
Illinois
$3K +$3K +50 New
PA
210
Parallel Advisors
California
$2K – – –
WT
211
Whittier Trust
California
$2K – – –
ED
212
Exane Derivatives
France
$1.72K – – –
PFO
213
Pathstone Family Office
New Jersey
$1K – – –
HFA
214
HC Financial Advisors
California
$1K – – –
ABC
215
Associated Banc-Corp
Wisconsin
$1K +$1K +20 New
Millennium Management
216
Millennium Management
New York
$807 -$12.4K -237,763 -94%
Fidelity International
217
Fidelity International
Bermuda
– -$28.8M -629,514 Closed
GLA
218
Great Lakes Advisors
Illinois
– -$6.53M -142,571 Closed
MWNA
219
Marshall Wace North America
New York
– -$2.03M -44,368 Closed
Marshall Wace
220
Marshall Wace
United Kingdom
– -$2.01M -43,964 Closed
Tudor Investment Corp
221
Tudor Investment Corp
Connecticut
– -$1.69M -36,985 Closed
DTL
222
Dynamic Technology Lab
Singapore
– -$1.67M -36,497 Closed
Verition Fund Management
223
Verition Fund Management
Connecticut
– -$1.13M -24,680 Closed
Voloridge Investment Management
224
Voloridge Investment Management
Florida
– -$1.06M -23,200 Closed
LCM
225
Laurion Capital Management
New York
– -$1.02M -22,320 Closed
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