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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
BBHC
201
Brown Brothers Harriman & Co
New York
$4.08K
CMBA
202
C.M. Bidwell & Associates
Hawaii
$3.34K
PWMG
203
Private Wealth Management Group
New Jersey
$3.31K
SIC
204
Salem Investment Counselors
North Carolina
$3.17K
OCWP
205
Owl Creek Wealth Partners
Colorado
$3.14K
LI
206
LRI Investments
Florida
$2.23K
GI
207
GAMMA Investing
California
$1.66K
IA
208
IFP Advisors
Florida
$1.57K
MG
209
Mather Group
Illinois
$1.57K
TC
210
Truvestments Capital
Florida
$1.54K
AAP
211
Arax Advisory Partners
Colorado
$1.4K
WPA
212
Wealth Preservation Advisors
Tennessee
$1.37K
KFAS
213
Keating Financial Advisory Services
Kansas
$1.37K
IPS
214
Investors Portfolio Services
Washington
$1.09K
TWD
215
True Wealth Design
Ohio
$913
CPG
216
Cornerstone Planning Group
New Jersey
$912
Optiver Holding
217
Optiver Holding
Netherlands
$514
SIC
218
SJS Investment Consulting
Ohio
$314
CIAM
219
Caitong International Asset Management
Hong Kong
$200
HFS
220
Hughes Financial Services
Virginia
$114
DCM
221
Defilade Capital Management
California
Point72 Asset Management
222
Point72 Asset Management
Connecticut
Two Sigma Advisers
223
Two Sigma Advisers
New York
OAM
224
Oberweis Asset Management
Illinois
Norges Bank
225
Norges Bank
Norway