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AtriCure
ATRC

Overview Fund Activity

219 hedge funds and large institutions have $1.62B invested in AtriCure in 2025 Q1 according to their latest regulatory filings, with 38 funds opening new positions, 77 increasing their positions, 63 reducing their positions, and 29 closing their positions.

Holders
219
Holders Change
+7
Holders Change %
+3.3%
% of All Funds
2.98%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
38
Increased
77
Reduced
63
Closed
29
Calls
$1.05M
Puts
$145K
Net Calls
+$907K
Net Calls Change
-$205K

Top Buyers

1
UBS AM
1
UBS AM
Illinois
$70.9M
2
NL
2
Nuveen LLC
North Carolina
$30.7M
3
Jennison Associates
3
Jennison Associates
New York
$19.1M
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$18M
5
Verition Fund Management
5
Verition Fund Management
Connecticut
$14.5M

Top Sellers

1
FLAM
1
First Light Asset Management
Minnesota
$42.4M
2
CIP
2
Champlain Investment Partners
Vermont
$69M
3
GPGA
3
Grandeur Peak Global Advisors
Utah
$0
4
DSCM
4
Divisadero Street Capital Management
Florida
$1.09M
5
AllianceBernstein
5
AllianceBernstein
Tennessee
$119M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$152M 4,714,371 +61,166 +1%
BlackRock
2
BlackRock
New York
$136M 4,224,286 -86,979 -2%
AllianceBernstein
3
AllianceBernstein
Tennessee
$119M 3,676,849 -158,600 -4%
HRCM
4
Hood River Capital Management
Florida
$96.8M 2,999,207 +75,476 +3%
Macquarie Group
5
Macquarie Group
Australia
$78.6M 2,436,837 +61,604 +3%
UBS AM
6
UBS AM
Illinois
$70.9M 2,196,914 +1,385,544 +171%
CIP
7
Champlain Investment Partners
Vermont
$69M 2,137,963 -390,651 -15%
FLAM
8
First Light Asset Management
Minnesota
$42.4M 1,314,718 -654,503 -33%
State Street
9
State Street
Massachusetts
$41.2M 1,278,294 -68,525 -5%
Neuberger Berman Group
10
Neuberger Berman Group
New York
$38.4M 1,186,065 +246,877 +26%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$37.7M 1,167,160 +16,111 +1%
Marshall Wace
12
Marshall Wace
United Kingdom
$32.1M 994,093 +374,927 +61%
Fidelity Investments
13
Fidelity Investments
Massachusetts
$32M 992,958 +11,442 +1%
GKIM
14
GW&K Investment Management
Massachusetts
$31.7M 981,523 -18,982 -2%
NL
15
Nuveen LLC
North Carolina
$30.7M 950,603 +950,603 New
Goldman Sachs
16
Goldman Sachs
New York
$27.8M 862,668 +8,956 +1%
BNP Paribas Asset Management
17
BNP Paribas Asset Management
France
$24.1M 747,806 +147,000 +24%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$22.9M 711,044 +10,832 +2%
Wellington Management Group
19
Wellington Management Group
Massachusetts
$22.6M 702,055 +47,551 +7%
Two Sigma Investments
20
Two Sigma Investments
New York
$21.5M 667,925 +56,929 +9%
Two Sigma Advisers
21
Two Sigma Advisers
New York
$21.2M 658,300 +18,900 +3%
KCM
22
Kennedy Capital Management
Missouri
$20.4M 632,128 -120,452 -16%
Millennium Management
23
Millennium Management
New York
$20.1M 623,323 +275,487 +79%
Bank of America
24
Bank of America
North Carolina
$19.8M 613,860 +223,044 +57%
Jennison Associates
25
Jennison Associates
New York
$19.1M 593,270 +593,270 New
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