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AtriCure
ATRC

Overview Fund Activity

219 hedge funds and large institutions have $1.62B invested in AtriCure in 2025 Q1 according to their latest regulatory filings, with 38 funds opening new positions, 77 increasing their positions, 63 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
219
Holders Change
+7
Holders Change %
+3.3%
% of All Funds
2.98%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
38
Increased
77
Reduced
63
Closed
29
Calls
$1.05M
Puts
$145K
Net Calls
+$907K
Net Calls Change
-$205K

Top Buyers

1
UBS AM
1
UBS AM
Illinois
$70.9M
2
Jennison Associates
2
Jennison Associates
New York
$19.1M
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$18M
4
Verition Fund Management
4
Verition Fund Management
Connecticut
$14.5M
5
Marshall Wace
5
Marshall Wace
United Kingdom
$32.1M

Top Sellers

1
FLAM
1
First Light Asset Management
Minnesota
$42.4M
2
CIP
2
Champlain Investment Partners
Vermont
$69M
3
GPGA
3
Grandeur Peak Global Advisors
Utah
$0
4
DSCM
4
Divisadero Street Capital Management
Florida
$1.09M
5
AllianceBernstein
5
AllianceBernstein
Tennessee
$119M
Name Holding Trade Value Shares
Change 		Shares
Change %
Mackenzie Financial
101
Mackenzie Financial
Ontario, Canada
$940K +$449K +13,929 +92%
HCA
102
Harbor Capital Advisors
Illinois
$916K +$916K +28,388 New
MIM
103
MetLife Investment Management
New Jersey
$913K -$12.2K -377 -1%
Mirae Asset Global ETFs Holdings
104
Mirae Asset Global ETFs Holdings
Hong Kong
$908K +$39.7K +1,230 +5%
HSBC Holdings
105
HSBC Holdings
United Kingdom
$827K -$59.6K -1,845 -7%
D.E. Shaw & Co
106
D.E. Shaw & Co
New York
$818K -$1.36M -42,107 -62%
EC
107
EntryPoint Capital
New York
$812K +$812K +25,168 New
DMKJ
108
David M. Knott Jr
$794K +$794K +24,620 New
Manulife (Manufacturers Life Insurance)
109
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$761K +$208K +6,434 +37%
CF
110
Corebridge Financial
Texas
$748K -$11.1K -344 -1%
Ensign Peak Advisors
111
Ensign Peak Advisors
Utah
$744K – – –
Janus Henderson Group
112
Janus Henderson Group
United Kingdom
$728K – – –
MGWM
113
Marks Group Wealth Management
Minnesota
$683K – – –
Handelsbanken Fonder
114
Handelsbanken Fonder
Sweden
$636K – – –
TI
115
Tidal Investments
Wisconsin
$636K -$46.8K -1,450 -7%
TC
116
TownSquare Capital
Utah
$627K +$107K +3,309 +21%
Truist Financial
117
Truist Financial
North Carolina
$613K +$106K +3,291 +21%
N
118
Natixis
France
$608K -$1.35M -41,700 -69%
A
119
AlphaQuest
New York
$581K +$418K +12,949 +256%
American Century Companies
120
American Century Companies
Missouri
$544K – – –
XT
121
XTX Topco
Cayman Islands
$526K +$526K +16,301 New
Zurich Cantonal Bank
122
Zurich Cantonal Bank
Switzerland
$466K +$44.4K +1,377 +11%
ASRS
123
Arizona State Retirement System
Arizona
$450K -$5.13K -159 -1%
New York State Common Retirement Fund
124
New York State Common Retirement Fund
New York
$448K – – –
ACM
125
Aster Capital Management
United Arab Emirates
$436K +$421K +10,857 +2,777%
3 4
5
6 7