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AtriCure

201 hedge funds and large institutions have $1.6B invested in AtriCure in 2025 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 78 increasing their positions, 72 reducing their positions, and 35 closing their positions.

New
Increased
Maintained
Reduced
Closed

8% more repeat investments, than reductions

Existing positions increased: 78 | Existing positions reduced: 72

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

1% less capital invested

Capital invested by funds: $1.62B → $1.6B (-$21.9M)

4.19% less ownership

Funds ownership: 103%98.81% (-4.2%)

9% less funds holding

Funds holding: 221201 (-20)

51% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 35

Holders
201
Holders Change
-20
Holders Change %
-9.05%
% of All Funds
2.65%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.03%
New
17
Increased
78
Reduced
72
Closed
35
Calls
$1.1M
Puts
Net Calls
+$1.1M
Net Calls Change
+$194K
Name Holding Trade Value Shares
Change
Change in
Stake
T. Rowe Price Associates
76
T. Rowe Price Associates
Maryland
$1.52M +$92K +2,831 +7%
California State Teachers Retirement System (CalSTRS)
77
California State Teachers Retirement System (CalSTRS)
California
$1.47M +$22.5K +691 +2%
Lazard Asset Management
78
Lazard Asset Management
New York
$1.41M +$1.4M +43,011 New
Deutsche Bank
79
Deutsche Bank
Germany
$1.31M -$84.5K -2,601 -6%
SC
80
Scotia Capital
Ontario, Canada
$1.22M +$19.9K +611 +2%
TRSOTSOK
81
Teachers Retirement System of the State of Kentucky
Kentucky
$1.18M +$127K +3,916 +12%
Principal Financial Group
82
Principal Financial Group
Iowa
$1.15M +$1.15M +35,239 New
EGM
83
Engineers Gate Manager
New York
$1.14M -$125K -3,854 -10%
Bessemer Group
84
Bessemer Group
New Jersey
$1.13M +$975 +30 +0.1%
DT
85
Diversified Trust
Tennessee
$1.11M
DSCM
86
Divisadero Street Capital Management
Florida
$1.1M
RP
87
Riverwater Partners
Wisconsin
$1.1M +$1.09M +33,665 New
American Century Companies
88
American Century Companies
Missouri
$1.1M +$540K +16,632 +99%
GCP
89
GSA Capital Partners
United Kingdom
$1.05M -$1.29M -39,555 -55%
Qube Research & Technologies (QRT)
90
Qube Research & Technologies (QRT)
United Kingdom
$1.02M -$650K -19,993 -39%
Jane Street
91
Jane Street
New York
$966K -$2.32M -71,363 -71%
PCM
92
Perkins Capital Management
Minnesota
$954K -$25.9K -798 -3%
MGWM
93
Marks Group Wealth Management
Minnesota
$949K +$253K +7,788 +37%
IIM
94
INTECH Investment Management
Florida
$949K -$89.1K -2,743 -9%
MIM
95
MetLife Investment Management
New Jersey
$927K
HCA
96
Harbor Capital Advisors
Illinois
$879K -$50.9K -1,565 -6%
Mirae Asset Global ETFs Holdings
97
Mirae Asset Global ETFs Holdings
Hong Kong
$869K -$52.8K -1,625 -6%
Manulife (Manufacturers Life Insurance)
98
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$799K +$24.9K +765 +3%
PP
99
PDT Partners
New York
$777K -$508K -15,626 -40%
BHCM
100
Brevan Howard Capital Management
Jersey
$771K +$503K +15,488 +193%

ATRC Hedge Fund Activity: Q2 2025 in Review

201 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in AtriCure (ATRC) for Q2 2025, worth a combined $1.6B — down 1.3% from $1.62B a quarter earlier.

Sellers outnumbered buyers: 35 funds closed out of ATRC and 17 opened new positions — a net loss of 18 holders — while 72 trimmed existing stakes and 78 added.

The largest buyer was Wellington Management Group, adding an estimated $106M. The largest seller was UBS AM, cutting an estimated $32.3M.

  • 201 institutional investors held AtriCure (ATRC) as of Q2 2025, down from 221 in Q1 2025.
  • Funds reported $1.6B of AtriCure stock for Q2 2025, down 1.3% quarter-over-quarter.
  • 17 funds opened new AtriCure positions in Q2 2025 and 35 closed out, a net change of -18 holders.
  • The largest AtriCure buyer in Q2 2025 was Wellington Management Group, an estimated $106M added.
  • The largest AtriCure seller in Q2 2025 was UBS AM, an estimated $32.3M sold.

Based on aggregated 13F filings for Q2 2025.