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AtriCure
ATRC

Overview Fund Activity

196 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, 77 increasing their positions, 71 reducing their positions, and 35 closing their positions.

Holders
196
Holders Change
-23
Holders Change %
-10.5%
% of All Funds
2.63%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
17
Increased
77
Reduced
71
Closed
35
Calls
$341K
Puts
–
Net Calls
+$341K
Net Calls Change
-$566K

Top Buyers

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

Top Sellers

1
UBS AM
1
UBS AM
Illinois
$39.4M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$8.86M
3
Jennison Associates
3
Jennison Associates
New York
$0
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$0
5
Verition Fund Management
5
Verition Fund Management
Connecticut
$257K
Name Market Value Shares Shares
Change 		Shares
Change %
Two Sigma Investments
26
Two Sigma Investments
New York
$13.5M 411,913 -256,012 -38%
Charles Schwab
27
Charles Schwab
California
$13.4M 407,422 +14,561 +4%
Renaissance Technologies
28
Renaissance Technologies
New York
$12.4M 377,700 +69,800 +23%
Millennium Management
29
Millennium Management
New York
$11.8M 360,065 -263,258 -42%
WCM Investment Management
30
WCM Investment Management
California
$10.6M 327,498 +134,146 +69%
OCM
31
Osterweis Capital Management
California
$10.3M 315,530 +19,925 +7%
Adage Capital Partners
32
Adage Capital Partners
Massachusetts
$9.01M 275,000 – –
Fidelity Investments
33
Fidelity Investments
Massachusetts
$8.86M 270,285 -722,673 -73%
Voloridge Investment Management
34
Voloridge Investment Management
Florida
$8.84M 269,708 -119,248 -31%
Connor, Clark & Lunn Investment Management (CC&L)
35
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$8.66M 264,344 +40,775 +18%
Raymond James Financial
36
Raymond James Financial
Florida
$8.28M 252,523 +5,087 +2%
Morgan Stanley
37
Morgan Stanley
New York
$8.26M 252,090 -134,854 -35%
Amundi
38
Amundi
France
$7.59M 241,693 -13,241 -5%
State of Wisconsin Investment Board
39
State of Wisconsin Investment Board
Wisconsin
$7.33M 223,810 -1,329 -0.6%
PAM
40
Panagora Asset Management
Massachusetts
$7.05M 214,997 +446 +0.2%
JPMorgan Chase & Co
41
JPMorgan Chase & Co
New York
$6.83M 208,271 -46,195 -18%
Acadian Asset Management
42
Acadian Asset Management
Massachusetts
$6.69M 204,423 +8,841 +5%
Universal-Beteiligungs- und Servicegesellschaft
43
Universal-Beteiligungs- und Servicegesellschaft
Germany
$6.59M 201,214 +110,521 +122%
NC
44
Nicholas Company
Wisconsin
$6.31M 192,635 +15,135 +9%
Squarepoint
45
Squarepoint
New York
$6.13M 186,965 +73,468 +65%
SEI Investments
46
SEI Investments
Pennsylvania
$5.95M 181,517 +23,983 +15%
ACM
47
Advisors Capital Management
New Jersey
$5.54M 169,162 +10,846 +7%
Bank of New York Mellon
48
Bank of New York Mellon
New York
$4.98M 152,015 -101,178 -40%
Citadel Advisors
49
Citadel Advisors
Florida
$4.42M 134,735 -54,748 -29%
First Trust Advisors
50
First Trust Advisors
Illinois
$4.35M 132,842 +132,842 New
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