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AtriCure

234 hedge funds and large institutions have $1.93B invested in AtriCure in 2025 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 90 increasing their positions, 74 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more funds holding in top 10

Funds holding in top 10: 13 (+2)

72% more call options, than puts

Call options by funds: $1.29M | Put options by funds: $747K

68% more first-time investments, than exits

New positions opened: 37 | Existing positions closed: 22

22% more repeat investments, than reductions

Existing positions increased: 90 | Existing positions reduced: 74

14% more capital invested

Capital invested by funds: $1.7B → $1.93B (+$231M)

5% more funds holding

Funds holding: 223234 (+11)

1.12% more ownership

Funds ownership: 96.88%98% (+1.1%)

Holders
234
Holders Change
+11
Holders Change %
+4.93%
% of All Funds
2.85%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.04%
New
37
Increased
90
Reduced
74
Closed
22
Calls
$1.29M
Puts
$747K
Net Calls
+$539K
Net Calls Change
-$983K
Name Holding Trade Value Shares
Change
Change in
Stake
Two Sigma Investments
26
Two Sigma Investments
New York
$15.1M -$2.65M -72,376 -16%
WCM Investment Management
27
WCM Investment Management
California
$15M +$1.72M +46,961 +14%
Connor, Clark & Lunn Investment Management (CC&L)
28
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$15M +$998K +27,218 +8%
WA
29
Wasatch Advisors
Utah
$14M -$2.01M -54,878 -13%
Morgan Stanley
30
Morgan Stanley
New York
$13.7M +$5.77M +157,300 +83%
N
31
Nuveen
North Carolina
$13.3M -$8.08M -220,316 -40%
GPGA
32
Grandeur Peak Global Advisors
Utah
$13M +$9.15M +249,591 +316%
Renaissance Technologies
33
Renaissance Technologies
New York
$12.7M +$2.31M +63,100 +24%
Qube Research & Technologies (QRT)
34
Qube Research & Technologies (QRT)
United Kingdom
$11.5M +$7.18M +195,811 +207%
Fidelity Investments
35
Fidelity Investments
Massachusetts
$11.3M -$3.97M -108,237 -27%
Point72 Asset Management
36
Point72 Asset Management
Connecticut
$11M +$10.2M +277,924 New
Two Sigma Advisers
37
Two Sigma Advisers
New York
$11M -$2.91M -79,300 -22%
AG
38
Algert Global
California
$10.3M +$4.2M +114,439 +78%
Citadel Advisors
39
Citadel Advisors
Florida
$9.6M +$7.23M +197,242 +434%
Amundi
40
Amundi
France
$9.13M +$421K +11,476 +5%
PAM
41
Panagora Asset Management
Massachusetts
$8.96M +$398K +10,854 +5%
Raymond James Financial
42
Raymond James Financial
Florida
$8.74M -$726K -19,816 -8%
Voloridge Investment Management
43
Voloridge Investment Management
Florida
$8.71M -$1.96M -53,459 -20%
OAM
44
Oberweis Asset Management
Illinois
$8.62M +$2.36M +64,492 +42%
Norges Bank
45
Norges Bank
Norway
$8.47M +$7.85M +214,016 New
NC
46
Nicholas Company
Wisconsin
$8.13M +$472K +12,870 +7%
OCM
47
Osterweis Capital Management
California
$8.05M -$4.34M -118,505 -37%
Universal-Beteiligungs- und Servicegesellschaft
48
Universal-Beteiligungs- und Servicegesellschaft
Germany
$7.65M -$562K -15,335 -7%
ACM
49
Advisors Capital Management
New Jersey
$7.23M +$323K +8,813 +5%
JP Morgan Chase
50
JP Morgan Chase
New York
$7.1M -$1.74M -47,387 -21%