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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
BCI
76
Brinker Capital Investments
Pennsylvania
$1.66M
Envestnet Asset Management
77
Envestnet Asset Management
Illinois
$1.65M
D.E. Shaw & Co
78
D.E. Shaw & Co
New York
$1.61M
Franklin Resources
79
Franklin Resources
California
$1.58M
Lazard Asset Management
80
Lazard Asset Management
New York
$1.54M
Ameriprise
81
Ameriprise
Minnesota
$1.49M
DMKJ
82
David M. Knott Jr
$1.47M
Deutsche Bank
83
Deutsche Bank
Germany
$1.44M
BMSSC
84
B. Metzler seel. Sohn & Co
Germany
$1.42M
OHIS
85
Oak Harvest Investment Services
Texas
$1.28M
VAM
86
Vanguard Asset Management
$1.28M
EGM
87
Engineers Gate Manager
New York
$1.22M
Legal & General Group
88
Legal & General Group
United Kingdom
$1.21M
HCA
89
Harbor Capital Advisors
Illinois
$1.19M
AG
90
Algert Global
California
$1.16M
SC
91
Scotia Capital
Ontario, Canada
$1.15M
DT
92
Diversified Trust
Tennessee
$1.14M
Susquehanna International Group
93
Susquehanna International Group
Pennsylvania
$1.11M
GCP
94
GSA Capital Partners
United Kingdom
$1.03M
TRSOTSOK
95
Teachers Retirement System of the State of Kentucky
Kentucky
$1.03M
BA
96
Bridgewater Associates
Connecticut
$956K
Prudential Financial
97
Prudential Financial
New Jersey
$864K
MGWM
98
Marks Group Wealth Management
Minnesota
$827K
US Bancorp
99
US Bancorp
Minnesota
$802K
MIM
100
MetLife Investment Management
New Jersey
$762K