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AtriCure

222 hedge funds and large institutions have $1.46B invested in AtriCure in 2026 Q1 according to their latest regulatory filings, with 35 funds opening new positions, 82 increasing their positions, 66 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less funds holding

Funds holding:

15% less first-time investments, than exits

New positions opened: 35 | Existing positions closed: 41

24% less capital invested

Capital invested by funds: $1.93B → $1.46B (-$465M)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
222
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$280K
Puts
$143K
Net Calls
Net Calls Change

Top Buyers

1 +$39.6M
2 +$26.7M
3 +$18.9M
4
Morgan Stanley
Morgan Stanley
New York
+$12.7M
5
Two Sigma Investments
Two Sigma Investments
New York
+$12.6M
Name Holding Trade Value Shares
Change
Change in
Stake
Simplex Trading
176
Simplex Trading
Illinois
$71.7K
Royal Bank of Canada
177
Royal Bank of Canada
Ontario, Canada
$61K
FFA
178
Farther Finance Advisors
California
$56.8K
SO
179
STRS Ohio
Ohio
$51.4K
Fifth Third Bancorp
180
Fifth Third Bancorp
Ohio
$50.8K
AssetMark Inc
181
AssetMark Inc
California
$42.7K
KBC Group
182
KBC Group
Belgium
$42K
PWPS
183
Pinnacle Wealth Planning Services
Ohio
$38.9K
SAM
184
Smartleaf Asset Management
Massachusetts
$34.1K
GWM
185
Geneos Wealth Management
Colorado
$32.4K
HNB
186
Huntington National Bank
Ohio
$24.2K
LFG
187
Larson Financial Group
Missouri
$18.9K
FHC
188
First Horizon Corporation
Tennessee
$15.5K
Nisa Investment Advisors
189
Nisa Investment Advisors
Missouri
$11K
EP
190
Essential Partners
California
$10.5K
AF
191
Allworth Financial
California
$9.22K
SCM
192
Sterling Capital Management
North Carolina
$8.96K
S
193
SignatureFD
Georgia
$8.39K
RF
194
Rossby Financial
Florida
$6.77K
Los Angeles Capital Management
195
Los Angeles Capital Management
California
$5.93K
PFBT
196
Parkside Financial Bank & Trust
Missouri
$5.54K
Mitsubishi UFJ Asset Management
197
Mitsubishi UFJ Asset Management
Japan
$5.48K
EWA
198
EverSource Wealth Advisors
Alabama
$5.31K
VCM
199
Versant Capital Management
Arizona
$5.28K
RIL
200
Rothschild Investment LLC
Illinois
$4.79K