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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
PFSRSONJ
126
Police & Firemen's Retirement System of New Jersey
New Jersey
$382K
State Board of Administration of Florida Retirement System
127
State Board of Administration of Florida Retirement System
Florida
$379K
VA
128
Valmark Advisers
Ohio
$373K
TI
129
Tidal Investments
Wisconsin
$373K
VIA
130
Vanguard Investments Australia
Australia
$348K
ACM
131
Aquatic Capital Management
Illinois
$336K
Stifel Financial
132
Stifel Financial
Missouri
$332K
ET
133
Entropy Technologies
New York
$328K
BTI
134
Blue Trust Inc
Georgia
$327K
CB
135
Commerce Bank
Missouri
$327K
DWM
136
Diversify Wealth Management
Utah
$318K
IIM
137
INTECH Investment Management
Florida
$315K
KK
138
KLP Kapitalforvaltning
Norway
$314K
American Century Companies
139
American Century Companies
Missouri
$304K
CAU
140
Caxton Associates (UK)
$299K
MCM
141
MAI Capital Management
Ohio
$284K
Canada Pension Plan Investment Board
142
Canada Pension Plan Investment Board
Ontario, Canada
$280K
QCM
143
Quantinno Capital Management
New York
$277K
SG Americas Securities
144
SG Americas Securities
New York
$275K
Bessemer Group
145
Bessemer Group
New Jersey
$273K
GCM
146
Graham Capital Management
Connecticut
$273K
BHCM
147
Brevan Howard Capital Management
Jersey
$271K
FBT
148
First Bank & Trust
South Dakota
$265K
CIP
149
Cornerstone Investment Partners
Georgia
$262K
CAPTRUST Financial Advisors
150
CAPTRUST Financial Advisors
North Carolina
$251K