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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 %
DCM
26
DAFNA Capital Management
California
$19.1M -$1.59M -49,400 -8%
Point72 Asset Management
27
Point72 Asset Management
Connecticut
$18M +$18M +558,348 New
WA
28
Wasatch Advisors
Utah
$15.9M -$3.74M -115,792 -19%
Northern Trust
29
Northern Trust
Illinois
$15M -$562K -17,406 -4%
Verition Fund Management
30
Verition Fund Management
Connecticut
$14.5M +$13.8M +427,165 +1,880%
Charles Schwab
31
Charles Schwab
California
$12.7M -$212K -6,567 -2%
Voloridge Investment Management
32
Voloridge Investment Management
Florida
$12.5M +$4.15M +128,544 +49%
Morgan Stanley
33
Morgan Stanley
New York
$12.5M +$116K +3,581 +0.9%
Renaissance Technologies
34
Renaissance Technologies
New York
$9.93M +$4.65M +144,000 +88%
OCM
35
Osterweis Capital Management
California
$9.54M +$9.54M +295,605 New
TI
36
Trexquant Investment
Connecticut
$8.89M +$5.72M +177,342 +181%
Adage Capital Partners
37
Adage Capital Partners
Massachusetts
$8.87M -$807K -25,000 -8%
Amundi
38
Amundi
France
$8.39M -$511K -15,521 -6%
JPMorgan Chase & Co
39
JPMorgan Chase & Co
New York
$8.21M -$3.57M -110,717 -30%
Bank of New York Mellon
40
Bank of New York Mellon
New York
$8.17M -$164K -5,079 -2%
Raymond James Financial
41
Raymond James Financial
Florida
$7.98M +$4.06M +125,845 +103%
CSS
42
Cubist Systematic Strategies
Connecticut
$7.47M +$7.47M +231,480 New
State of Wisconsin Investment Board
43
State of Wisconsin Investment Board
Wisconsin
$7.26M +$147K +4,551 +2%
Connor, Clark & Lunn Investment Management (CC&L)
44
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$7.21M +$1.35M +41,847 +23%
PAM
45
Panagora Asset Management
Massachusetts
$6.92M +$248K +7,684 +4%
Acadian Asset Management
46
Acadian Asset Management
Massachusetts
$6.3M +$6.08M +188,572 +2,690%
WCM Investment Management
47
WCM Investment Management
California
$6.15M +$49.4K +1,551 +0.8%
Citadel Advisors
48
Citadel Advisors
Florida
$6.11M -$177K -5,499 -3%
Russell Investments Group
49
Russell Investments Group
United Kingdom
$5.86M +$809K +25,070 +16%
NC
50
Nicholas Company
Wisconsin
$5.73M – – –
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