- Type / Class
- Equity / Common Stock
- Shares outstanding
- 49,704,831
- Total 13F shares
- 48,743,718
- Share change
- -1,572,767
- Total reported value
- $1,928,694,159
- Price per share
- $39.56
- Number of holders
- 233
- Value change
- -$51,557,701
- Number of buys
- 122
- Number of sells
- 94
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?
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Next holder-history checks
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- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
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Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 04963C209:
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 |
9.7%
|
4,840,894
|
$170,641,514 | — | 30 Sep 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
13D/G
|
Company |
8%
from 13D/G
|
4,292,087
|
$151,296,066 | — | 30 Sep 2025 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
7.8%
from 13D/G
|
3,997,109
|
$140,898,109 | — | 30 Sep 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
7.2%
|
3,558,592
|
$125,440,368 | — | 30 Sep 2025 | |
| 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
13F
|
Macquarie Group Limited · Company |
4.6%
|
2,289,369
|
$80,700,257 | -$7,537,719 | 30 Sep 2025 | |
| 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%
|
1,264,293
|
$44,566,328 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.4%
|
1,191,055
|
$41,991,227 | — | 30 Sep 2025 | |
| Neuberger Berman Group LLC |
13F
|
Company |
2.4%
|
1,191,111
|
$41,971,938 | — | 30 Sep 2025 | |
| First Light Asset Management, LLC |
13F
|
Company |
1.8%
|
890,362
|
$31,385,261 | — | 30 Sep 2025 | |
| GW&K Investment Management, LLC |
13F
|
Company |
1.7%
|
861,035
|
$30,352,000 | — | 30 Sep 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
1.7%
|
850,556
|
$29,980,418 | — | 30 Sep 2025 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.7%
|
836,916
|
$29,501,289 | — | 30 Sep 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.6%
|
777,308
|
$27,400,107 | — | 30 Sep 2025 | |
| BNP Paribas Asset Management Holding S.A. |
13F
|
Company |
1.5%
|
767,138
|
$27,042,000 | — | 30 Sep 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.5%
|
724,955
|
$25,554,657 | — | 30 Sep 2025 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
1.4%
|
707,062
|
$24,923,937 | — | 30 Sep 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
1.2%
|
593,339
|
$20,915,200 | — | 30 Sep 2025 | |
| DAFNA Capital Management LLC |
13F
|
Company |
1.2%
|
592,273
|
$20,877,623 | — | 30 Sep 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
1.1%
|
559,172
|
$19,710,813 | — | 30 Sep 2025 | |
| Nuveen, LLC |
13F
|
Company |
1.1%
|
556,575
|
$19,619,269 | — | 30 Sep 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.93%
|
462,090
|
$16,288,674 | — | 30 Sep 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.91%
|
452,875
|
$15,963,844 | — | 30 Sep 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.86%
|
427,897
|
$15,083,369 | — | 30 Sep 2025 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
0.85%
|
424,681
|
$14,970,005 | — | 30 Sep 2025 | |
| WASATCH ADVISORS LP |
13F
|
Company |
0.82%
|
408,755
|
$14,408,614 | — | 30 Sep 2025 | |
| FMR LLC |
13F
|
Company |
0.79%
|
393,996
|
$13,888,361 | — | 30 Sep 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.72%
|
357,000
|
$12,584,250 | — | 30 Sep 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.71%
|
353,260
|
$12,452,415 | — | 30 Sep 2025 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.71%
|
351,278
|
$12,382,550 | — | 30 Sep 2025 | |
| WCM INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.66%
|
325,721
|
$11,357,891 | — | 30 Sep 2025 | |
| OSTERWEIS CAPITAL MANAGEMENT INC |
13F
|
Company |
0.65%
|
322,080
|
$11,353,320 | — | 30 Sep 2025 | |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.55%
|
273,749
|
$9,649,652 | — | 30 Sep 2025 | |
| Point72 (DIFC) Ltd |
13F
|
Company |
0.53%
|
262,065
|
$9,237,777 | — | 30 Sep 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.52%
|
258,800
|
$9,122,700 | — | 30 Sep 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.48%
|
237,278
|
$8,364,049 | — | 30 Sep 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.46%
|
226,987
|
$8,001,294 | — | 30 Sep 2025 | |
| STATE OF WISCONSIN INVESTMENT BOARD |
13F
|
Company |
0.44%
|
218,571
|
$7,704,628 | — | 30 Sep 2025 | |
| Amundi |
13F
|
Individual |
0.44%
|
219,376
|
$7,618,929 | — | 30 Sep 2025 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.43%
|
215,721
|
$7,604,165 | — | 30 Sep 2025 | |
| Universal- Beteiligungs- und Servicegesellschaft mbH |
13F
|
Individual |
0.42%
|
208,609
|
$7,353,469 | — | 30 Sep 2025 | |
| NICHOLAS COMPANY, INC. |
13F
|
Company |
0.39%
|
192,635
|
$6,790,384 | — | 30 Sep 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.38%
|
188,816
|
$6,655,786 | — | 30 Sep 2025 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
|
Company |
0.35%
|
175,000
|
$6,168,750 | — | 30 Sep 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.35%
|
174,689
|
$6,157,787 | — | 30 Sep 2025 | |
| Advisors Capital Management, LLC |
13F
|
Company |
0.35%
|
174,040
|
$6,134,910 | — | 30 Sep 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.31%
|
154,057
|
$5,430,497 | — | 30 Sep 2025 | |
| OBERWEIS ASSET MANAGEMENT INC/ |
13F
|
Company |
0.31%
|
153,500
|
$5,410,875 | — | 30 Sep 2025 | |
| ALGERT GLOBAL LLC |
13F
|
Company |
0.3%
|
147,038
|
$5,183,000 | — | 30 Sep 2025 |
Institutional Holders of AtriCure, Inc. - Common Stock (ATRC) as of Q4 2025
As of 31 Dec 2025,
AtriCure, Inc. - Common Stock (ATRC) was held by
233 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
48,743,718 shares.
The largest 10 holders included
VANGUARD GROUP INC, BlackRock, Inc., WELLINGTON MANAGEMENT GROUP LLP, ALLIANCEBERNSTEIN L.P., Hood River Capital Management LLC, NOMURA ASSET MANAGEMENT INTERNATIONAL INC., STATE STREET CORP, GEODE CAPITAL MANAGEMENT, LLC, First Light Asset Management, LLC, and Champlain Investment Partners, LLC.
This page lists
233
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
219
Q4 2025 holders
233
Holder diff
14
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 2025 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.