AtriCure, Inc. - Common Stock (ATRC)

CUSIP: 04963C209

Q1 2026 13F Holders as of 31 Mar 2026

Type / Class
Equity / Common Stock
Shares outstanding
49,704,831
Total 13F shares
10,663
Share change
+1,021
Total reported value
$308,160
Price per share
$28.53
Number of holders
5
Value change
+$30,246
Number of buys
2
Number of sells
3

Sponsored

Quarterly Holders Quick Answers

What is CUSIP 04963C209?
CUSIP 04963C209 identifies ATRC - AtriCure, Inc. - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Top shareholders of ATRC - AtriCure, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
VANGUARD GROUP INC
13F
Company
9.9%
4,903,755
$193,992,548 31 Dec 2025
13F
BlackRock, Inc.
13F 13D/G
Company
7.8%
from 13D/G
4,065,804
$160,843,227 31 Dec 2025
WELLINGTON MANAGEMENT GROUP LLP
13F 13D/G
Company
8%
from 13D/G
3,917,991
$154,995,724 31 Dec 2025
ALLIANCEBERNSTEIN L.P.
13F
Company
7.2%
3,563,582
$140,975,304 31 Dec 2025
13F
Hood River Capital Management LLC
13D/G 13F
Company
6.2%
3,096,611
$122,501,931 +$6,839,133 31 Dec 2025
MACQUARIE GROUP LTD
13D/G
Macquarie Group Limited
4.6%
2,289,369
$80,700,257 -$7,537,719 30 Sep 2025
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
13F
Company
4.1%
2,038,703
$80,651,000 31 Dec 2025
13F
Champlain Investment Partners, LLC
13D/G 13F
Company
4.4%
2,137,963
$71,407,964 -$21,803,353 31 Mar 2025
STATE STREET CORP
13F
Company
2.5%
1,242,374
$49,148,315 31 Dec 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
2.4%
1,191,498
$47,143,730 31 Dec 2025
13F
First Light Asset Management, LLC
13F
Company
2.4%
1,175,445
$46,500,604 31 Dec 2025
13F
Neuberger Berman Group LLC
13F
Company
2.2%
1,086,326
$42,998,602 31 Dec 2025
13F
BNP Paribas Asset Management Holding S.A.
13F
Company
1.9%
959,294
$37,950,000 31 Dec 2025
13F
GW&K Investment Management, LLC
13F
Company
1.9%
952,089
$37,665,000 31 Dec 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
1.9%
921,897
$36,472,238 31 Dec 2025
13F
MARSHALL WACE, LLP
13F
Company
1.8%
913,453
$36,136,202 31 Dec 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
1.8%
885,062
$35,013,053 31 Dec 2025
13F
KENNEDY CAPITAL MANAGEMENT LLC
13F
Company
1.7%
837,326
$33,124,617 31 Dec 2025
13F
Michael H. Carrel
3/4/5
President, CEO, & Director, Director
1.6%
796,058
$29,541,711 06 Mar 2026
VOYA INVESTMENT MANAGEMENT LLC
13F
Company
1.4%
712,329
$28,179,735 31 Dec 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
1.4%
675,731
$26,731,929 31 Dec 2025
13F
DAFNA Capital Management LLC
13F
Company
1.2%
597,431
$23,634,370 31 Dec 2025
13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
Company
1.1%
569,723
$22,538,243 31 Dec 2025
13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F
Company
1%
511,213
$20,223,587 31 Dec 2025
13F
NORTHERN TRUST CORP
13F
Company
0.88%
438,210
$17,335,587 31 Dec 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.88%
437,883
$17,322,651 31 Dec 2025
13F
Defilade Capital Management, L.P.
13F
Company
0.8%
397,636
$15,730,480 31 Dec 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
0.77%
380,499
$15,052,540 31 Dec 2025
13F
WCM INVESTMENT MANAGEMENT, LLC
13F
Company
0.75%
372,682
$14,974,363 31 Dec 2025
13F
Connor, Clark & Lunn Investment Management Ltd.
13F
Company
0.76%
378,496
$14,973,302 31 Dec 2025
13F
WASATCH ADVISORS LP
13F
Company
0.71%
353,877
$13,999,374 31 Dec 2025
13F
MORGAN STANLEY
13F
Company
0.7%
346,116
$13,692,363 31 Dec 2025
13F
Nuveen, LLC
13F
Company
0.68%
336,259
$13,302,406 31 Dec 2025
13F
Grandeur Peak Global Advisors, LLC
13F
Company
0.66%
328,491
$12,995,104 31 Dec 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
0.65%
321,900
$12,734,364 31 Dec 2025
13F
Qube Research & Technologies Ltd
13F
Company
0.58%
290,540
$11,493,762 31 Dec 2025
13F
FMR LLC
13F
Company
0.57%
285,759
$11,304,620 31 Dec 2025
13F
Point72 Asset Management, L.P.
13F
Company
0.56%
277,924
$10,994,673 31 Dec 2025
13F
TWO SIGMA ADVISERS, LP
13F
Company
0.56%
277,700
$10,985,812 31 Dec 2025
13F
ALGERT GLOBAL LLC
13F
Company
0.53%
261,477
$10,344,000 31 Dec 2025
13F
CITADEL ADVISORS LLC
13F
Company
0.49%
242,741
$9,602,834 31 Dec 2025
13F
Amundi
13F
Individual
0.46%
230,852
$9,132,504 31 Dec 2025
13F
PANAGORA ASSET MANAGEMENT INC
13F
Company
0.46%
226,575
$8,963,307 31 Dec 2025
13F
RAYMOND JAMES FINANCIAL INC
13F
Company
0.44%
217,462
$8,737,172 31 Dec 2025
13F
VOLORIDGE INVESTMENT MANAGEMENT, LLC
13F
Company
0.44%
220,290
$8,714,672 31 Dec 2025
13F
OBERWEIS ASSET MANAGEMENT INC/
13F
Company
0.44%
217,992
$8,623,764 31 Dec 2025
13F
NORGES BANK
13F
Company
0.43%
214,016
$8,466,473 31 Dec 2025
13F
NICHOLAS COMPANY, INC.
13F
Company
0.41%
205,505
$8,129,778 31 Dec 2025
13F
OSTERWEIS CAPITAL MANAGEMENT INC
13F
Company
0.41%
203,575
$8,053,427 31 Dec 2025
13F
Universal- Beteiligungs- und Servicegesellschaft mbH
13F
Individual
0.39%
193,274
$7,645,920 31 Dec 2025
13F

Institutional Holders of AtriCure, Inc. - Common Stock (ATRC) as of Q1 2026

As of 31 Mar 2026, AtriCure, Inc. - Common Stock (ATRC) was held by 5 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 10,663 shares. The largest 5 holders included WEALTH ENHANCEMENT ADVISORY SERVICES, LLC, Farther Finance Advisors, LLC, SIGNATUREFD, LLC, Versant Capital Management, Inc, and GAMMA Investing LLC. This page lists 5 institutional shareholders reporting positions in this security for the Q1 2026 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders
233
Q1 2026 holders
5
Holder diff
-228
Investor Q4 2025 Shares Q1 2026 Shares Share Diff Share Chg % Q4 2025 Value $ Q1 2026 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.