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AtriCure

234 hedge funds and large institutions have $1.93B invested in AtriCure in 2025 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 90 increasing their positions, 74 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more funds holding in top 10

Funds holding in top 10: 13 (+2)

72% more call options, than puts

Call options by funds: $1.29M | Put options by funds: $747K

68% more first-time investments, than exits

New positions opened: 37 | Existing positions closed: 22

22% more repeat investments, than reductions

Existing positions increased: 90 | Existing positions reduced: 74

14% more capital invested

Capital invested by funds: $1.7B → $1.93B (+$231M)

5% more funds holding

Funds holding: 223234 (+11)

1.12% more ownership

Funds ownership: 96.88%98% (+1.1%)

Holders
234
Holders Change
+11
Holders Change %
+4.93%
% of All Funds
2.85%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.04%
New
37
Increased
90
Reduced
74
Closed
22
Calls
$1.29M
Puts
$747K
Net Calls
+$539K
Net Calls Change
-$983K
Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$194M +$2.3M +62,861 +1%
BlackRock
2
BlackRock
New York
$161M +$2.52M +68,695 +2%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$155M -$13.7M -374,096 -9%
AllianceBernstein
4
AllianceBernstein
Tennessee
$141M +$183K +4,990 +0.1%
HRCM
5
Hood River Capital Management
Florida
$123M +$1.87M +51,024 +2%
NAMI
6
Nomura Asset Management International
Pennsylvania
$80.7M +$74.7M +2,038,703 New
State Street
7
State Street
Massachusetts
$49.1M -$804K -21,919 -2%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$47.1M +$16.2K +443 +0%
FLAM
9
First Light Asset Management
Minnesota
$46.5M +$10.5M +285,083 +32%
CIP
10
Champlain Investment Partners
Vermont
$46.4M -$29.5M -804,608 -41%
Neuberger Berman Group
11
Neuberger Berman Group
New York
$43M -$3.84M -104,785 -9%
BNP Paribas Asset Management
12
BNP Paribas Asset Management
France
$38M +$7.04M +192,156 +25%
GKIM
13
GW&K Investment Management
Massachusetts
$37.7M +$3.34M +91,054 +11%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$36.5M +$2.62M +71,341 +8%
Marshall Wace
15
Marshall Wace
United Kingdom
$36.1M +$13M +354,281 +63%
Goldman Sachs
16
Goldman Sachs
New York
$35M +$3.95M +107,754 +14%
KCM
17
Kennedy Capital Management
Missouri
$33.1M +$15K +410 +0%
VOYA Investment Management
18
VOYA Investment Management
Georgia
$28.2M +$193K +5,267 +0.7%
Bank of America
19
Bank of America
North Carolina
$26.7M -$1.8M -49,224 -7%
DCM
20
DAFNA Capital Management
California
$23.6M +$189K +5,158 +0.9%
UBS AM
21
UBS AM
Illinois
$22.5M -$866K -23,616 -4%
Massachusetts Financial Services
22
Massachusetts Financial Services
Massachusetts
$20.2M +$3.17M +86,532 +20%
Northern Trust
23
Northern Trust
Illinois
$17.3M -$875K -23,880 -5%
Charles Schwab
24
Charles Schwab
California
$17.3M +$366K +9,986 +2%
DCM
25
Defilade Capital Management
California
$15.7M +$14.6M +397,636 New