ATRICURE INC (ATRC) is held by 135 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is ALLIANCEBERNSTEIN L.P. as of Q1 2026.

Are institutions buying or selling ATRC?

In Q1 2026, 73 institutions opened or increased positions in ATRICURE INC while 58 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on ATRC?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ATRICURE INC.

How many hedge funds hold ATRC?

135 institutional investors report holding ATRICURE INC (ATRC) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into ATRC?

As of Q1 2026, tracked institutions in ATRICURE INC show 73 buyers versus 58 sellers — net inflows.

Are Congress members and hedge funds both buying ATRC?

Yes — in the latest quarter, 2 members of Congress and 73 institutional investors bought ATRICURE INC. HoldingsIntel cross-checks STOCK Act disclosures against 13F filings to surface these overlaps.

ATRICURE INC

ATRC·04963C209·US·Common Stock·Healthcare - Medical Instruments & Supplies-13D/G

135

Holders

(11 Elite)

$1.3B

Total Value

56% (131)

Consensus

73 buying - 58 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Held by 135 funds

11 elite

Who's Trading

InsiderPKPrange KarenSell $86KMay 20, 2026

Activist

Wellington Management Group LLP6.8%May 15, 2026

ActivistVAVanguard Capital Management5.1%Apr 29, 2026

InsiderDVDoraiswamy VinayakSell $149KMar 12, 2026

Congress

Gilbert CisnerosBuy $1,001 - $15,000Mar 3, 2026

InsiderNJNoznesky Justin JSell $193KNov 26, 2025

InsiderWSWEHRWEIN SVENSell $189KNov 25, 2025

Congress

Gilbert CisnerosBuy $1,001 - $15,000May 6, 2025

Congress

Josh GottheimerBuy $1,001 - $15,000Jul 19, 2024

Congress

Josh GottheimerSale $1,001 - $15,000Jun 18, 2024

View all insider trades View all activist filings View all congressional trades

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
ALLIANCEBERNSTEIN L.P.	Decreased	3.3M(-8.6%)	$128.9M	0.0%	-37.59%	0
BlackRock, Inc.	Decreased	4M(-0.6%)	$115.3M	0.0%	+12.70%	0
WELLINGTON MANAGEMENT GROUP LLP	Decreased	3.4M(-13.7%)	$96.5M	0.0%	+1.34%	0
Hood River Capital Management LLC	Increased	3.1M(+0.7%)	$88.9M	0.9%	+34.10%	42
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	2.7M	$77.1M	0.0%	+8.96%	41
VAVANGUARD CAPITAL MANAGEMENT LLC	New	2.2M	$61.5M	0.0%	+8.96%	41
NANOMURA ASSET MANAGEMENT INTERNATIONAL INC.	Decreased	1.8M(-11.5%)	$51.5M	0.1%	-14.68%	0
GOLDMAN SACHS GROUP INC	Increased	1.7M(+88.4%)	$47.6M	0.0%	+8.63%	46
MWMARSHALL WACE, LLP	Increased	1.5M(+60.7%)	$41.9M	0.0%	+0.46%	42
STATE STREET CORP	Increased	1.3M(+4.8%)	$37.2M	0.0%	-0.01%	30
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.2M(+2.9%)	$35M	0.0%	-8.86%	30
BNP Paribas Asset Management Holding S.A.	Increased	1.1M(+10.6%)	$30.3M	0.0%	-5.22%	32
Neuberger Berman Group LLC	Decreased	1.1M(-3.3%)	$30M	0.0%	+6.10%	0
DIMENSIONAL FUND ADVISORS LP	Increased	997,759(+8.2%)	$28.5M	0.0%	-9.70%	31
CIChamplain Investment Partners, LLC	Decreased	971,111(-17.3%)	$27.7M	0.4%	-1.59%	0
BANK OF AMERICA CORP /DE/	Increased	768,561(+13.7%)	$21.9M	0.0%	+10.07%	32
TWO SIGMA INVESTMENTS, LP	Increased	751,003(+97.4%)	$21.4M	0.0%	+12.65%	46
VOYA INVESTMENT MANAGEMENT LLC	Increased	719,649(+1.0%)	$20.5M	0.0%	+5.59%	29
MORGAN STANLEY	Increased	719,162(+107.8%)	$20.5M	0.0%	+10.20%	46
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	Increased	585,353(+14.5%)	$16.7M	0.0%	-2.68%	32