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AtriCure

223 hedge funds and large institutions have $1.46B invested in AtriCure in 2026 Q1 according to their latest regulatory filings, with 36 funds opening new positions, 82 increasing their positions, 66 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed

96% more call options, than puts

Call options by funds: $280K | Put options by funds: $143K

24% more repeat investments, than reductions

Existing positions increased: 82 | Existing positions reduced: 66

2.4% more ownership

Funds ownership: 98%100.41% (+2.4%)

5% less funds holding

Funds holding: 234223 (-11)

12% less first-time investments, than exits

New positions opened: 36 | 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
223
Holders Change
-11
Holders Change %
-4.7%
% of All Funds
2.75%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.02%
New
36
Increased
82
Reduced
66
Closed
41
Calls
$280K
Puts
$143K
Net Calls
+$137K
Net Calls Change
-$402K
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 +$446K +13,080 New
TI
129
Tidal Investments
Wisconsin
$373K +$3.99K +117 +0.9%
VIA
130
Vanguard Investments Australia
Australia
$348K +$416K +12,181 New
ACM
131
Aquatic Capital Management
Illinois
$336K +$402K +11,774 New
Stifel Financial
132
Stifel Financial
Missouri
$332K -$3.79K -111 -0.9%
ET
133
Entropy Technologies
New York
$328K +$82.2K +2,408 +27%
BTI
134
Blue Trust Inc
Georgia
$327K
CB
135
Commerce Bank
Missouri
$327K -$18.8K -550 -5%
DWM
136
Diversify Wealth Management
Utah
$318K +$84.5K +2,476 +27%
IIM
137
INTECH Investment Management
Florida
$315K -$229K -6,701 -38%
KK
138
KLP Kapitalforvaltning
Norway
$314K
American Century Companies
139
American Century Companies
Missouri
$304K -$2.42M -70,972 -87%
CAU
140
Caxton Associates (UK)
$299K +$122K +3,587 +52%
MCM
141
MAI Capital Management
Ohio
$284K -$3.75K -110 -1%
Canada Pension Plan Investment Board
142
Canada Pension Plan Investment Board
Ontario, Canada
$280K -$81.9K -2,400 -20%
QCM
143
Quantinno Capital Management
New York
$277K +$332K +9,726 New
SG Americas Securities
144
SG Americas Securities
New York
$275K -$937K -27,454 -74%
Bessemer Group
145
Bessemer Group
New Jersey
$273K -$804K -23,570 -71%
GCM
146
Graham Capital Management
Connecticut
$273K +$84.5K +2,476 +35%
BHCM
147
Brevan Howard Capital Management
Jersey
$271K -$358K -10,478 -52%
FBT
148
First Bank & Trust
South Dakota
$265K +$16.3K +477 +5%
CIP
149
Cornerstone Investment Partners
Georgia
$262K +$313K +9,178 New
CAPTRUST Financial Advisors
150
CAPTRUST Financial Advisors
North Carolina
$251K +$28.8K +843 +11%