Companies / AtriCure Inc

AtriCure Inc

Nasdaq: ATRCCIK 1323885MASON, OHatricure.com ↗

Financials · FY2025

Revenue$534.53M
Net income$-11.45M
Total debt$61.00M
Cash$167.79M
Diluted EPS$-0.24
Shares outstanding50.9M

Ownership

50.9M shares outstanding · as of Jul 22, 2026
3.6%Insiders
Ownership
Insiders3.61%1,838,700
10%+ / strategic16.46%8,374,261
Institutions93.67%47,648,656
Public float0.00%0

Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 15

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Insider% of sharesShares
Carrel Michael HCEOPresident, CEO, & Director · Director
1.53%778,498
Seith Douglas JChief Operating Officer
0.45%229,340
Wirick Angela LChief Financial Officer
0.40%204,893
Privitera SalvatoreChief Technical Officer
0.31%158,048
White Robert S.Director
0.25%128,318
Noznesky Justin JChief Mktg & Strategy Officer
0.21%106,401
Dahlquist Karl S.FormerChief Legal Officer
0.19%96,053
Doraiswamy VinayakFormerChief Scientific Officer
0.18%91,875
Johnson B KristineDirector
0.11%55,954
Wehrwein SvenDirector
0.08%40,518

Institutional holders 247

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HolderValue% of shares
Vanguard Group Inc$193.99M9.64%
Wellington Management Group LLP$155.00M7.70%
AllianceBernstein L.P.$128.92M6.41%
BlackRock, Inc.$125.20M8.80%
Hood River Capital Management LLC$122.50M6.09%
Nomura Asset Management International Inc.$80.65M4.01%
First Light Asset Management, LLC$46.50M2.31%
Neuberger Berman Group LLC$43.00M2.14%
Marshall Wace, LLP$41.87M2.89%
State Street Corporation$38.94M2.73%

Activity

Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).
DateActorActionSecurityValueShares ΔPosition afterImpact
Q1 2026
as of
Marshall Wace, LLP
13F manager
Add—$15.81M+554K
+60.66%
1,467,524
2.89% of shares
medium
Q1 2026
as of
AllianceBernstein L.P.
13F manager
Trim—$-12.05M-305K
-8.55%
3,258,872
6.41% of shares
medium
Q2 2026
as of
BlackRock, Inc.
13F manager
Add—$11.44M+409K
+10.05%
4,474,548
8.80% of shares
medium
Q1 2026
as of
Two Sigma Investments, LP
13F manager
Add—$10.57M+371K
+97.37%
751,003
1.48% of shares
medium
Q1 2026
as of
Norges Bank
13F manager
Exit—$-8.47M-214K
-100.00%
—
medium
Q1 2026
as of
Arrowstreet Capital, Limited Partnership
13F manager
New—$7.92M+278K
277,682
0.55% of shares
medium
Q4 2025
as of
Norges Bank
13F manager
Add—$6.13M+155K
+263.02%
214,016
0.42% of shares
medium
Q1 2026
as of
Champlain Investment Partners, LLC
13F manager
Trim—$-5.78M-202K
-17.25%
971,111
1.91% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—
Hood River Capital Management LLCPassive13G/A—3,096,611—
Wellington Management Group LLPPassive13G/A———
Vanguard Portfolio ManagementPassive13G—2,744,685—
Vanguard Capital ManagementPassive13G—2,532,965—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
ATRC——04963C209—