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AtriCure
ATRC

Overview Fund Activity

199 hedge funds and large institutions have $1.6B invested in AtriCure in 2025 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 78 increasing their positions, 71 reducing their positions, and 35 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
199
Holders Change
-20
Holders Change %
-9.13%
% of All Funds
2.67%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
17
Increased
78
Reduced
71
Closed
35
Calls
$1.1M
Puts
–
Net Calls
+$1.1M
Net Calls Change
+$194K

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
$130M
2
VOYA Investment Management
VOYA Investment Management
Georgia
$23.3M
3
Vanguard Group
Vanguard Group
Pennsylvania
$161M
4
First Trust Advisors
First Trust Advisors
Illinois
$4.35M
5
WCM Investment Management
WCM Investment Management
California
$10.6M

Top Sellers

1
UBS AM
UBS AM
Illinois
$39.4M
2
Fidelity Investments
Fidelity Investments
Massachusetts
$8.86M
3
Jennison Associates
Jennison Associates
New York
$0
4
Point72 Asset Management
Point72 Asset Management
Connecticut
$0
5
Verition Fund Management
Verition Fund Management
Connecticut
$257K
Name Holding Trade Value Shares
Change 		Shares
Change %
Two Sigma Investments
26
Two Sigma Investments
New York
$13.5M -$8.39M -256,012 -38%
Charles Schwab
27
Charles Schwab
California
$13.4M +$477K +14,561 +4%
Renaissance Technologies
28
Renaissance Technologies
New York
$12.4M +$2.29M +69,800 +23%
Millennium Management
29
Millennium Management
New York
$11.8M -$8.63M -263,258 -42%
WCM Investment Management
30
WCM Investment Management
California
$10.6M +$4.33M +134,146 +69%
OCM
31
Osterweis Capital Management
California
$10.3M +$653K +19,925 +7%
Adage Capital Partners
32
Adage Capital Partners
Massachusetts
$9.01M – – –
Fidelity Investments
33
Fidelity Investments
Massachusetts
$8.86M -$23.7M -722,673 -73%
Voloridge Investment Management
34
Voloridge Investment Management
Florida
$8.84M -$3.91M -119,248 -31%
Connor, Clark & Lunn Investment Management (CC&L)
35
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$8.66M +$1.34M +40,775 +18%
Raymond James Financial
36
Raymond James Financial
Florida
$8.28M +$167K +5,087 +2%
Morgan Stanley
37
Morgan Stanley
New York
$8.26M -$4.42M -134,854 -35%
Amundi
38
Amundi
France
$7.59M -$416K -13,241 -5%
State of Wisconsin Investment Board
39
State of Wisconsin Investment Board
Wisconsin
$7.33M -$43.6K -1,329 -0.6%
PAM
40
Panagora Asset Management
Massachusetts
$7.05M +$14.6K +446 +0.2%
JPMorgan Chase & Co
41
JPMorgan Chase & Co
New York
$6.83M -$1.51M -46,195 -18%
Acadian Asset Management
42
Acadian Asset Management
Massachusetts
$6.69M +$289K +8,841 +5%
Universal-Beteiligungs- und Servicegesellschaft
43
Universal-Beteiligungs- und Servicegesellschaft
Germany
$6.59M +$3.62M +110,521 +122%
NC
44
Nicholas Company
Wisconsin
$6.31M +$496K +15,135 +9%
Squarepoint
45
Squarepoint
New York
$6.13M +$2.41M +73,468 +65%
SEI Investments
46
SEI Investments
Pennsylvania
$5.95M +$786K +23,983 +15%
ACM
47
Advisors Capital Management
New Jersey
$5.54M +$355K +10,846 +7%
Bank of New York Mellon
48
Bank of New York Mellon
New York
$4.98M -$3.32M -101,178 -40%
Citadel Advisors
49
Citadel Advisors
Florida
$4.42M -$1.79M -54,748 -29%
First Trust Advisors
50
First Trust Advisors
Illinois
$4.35M +$4.35M +132,842 New
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