What does CUSIP 04963C209 represent in this 13F holders report?

CUSIP 04963C209 is the security identifier for ATRC - AtriCure, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held ATRC - AtriCure, Inc. - Common Stock in Q4 2023?

230 institutional investors reported ATRC - AtriCure, Inc. - Common Stock for Q4 2023. Use the holders table for investor-level position and value details.

AtriCure, Inc. - Common Stock (ATRC)

CUSIP: 04963C209

Q4 2023 13F Holders as of 31 Dec 2023

Type / Class: Equity / Common Stock
Shares outstanding: 49,861,516
Total 13F shares: 47,164,039
Share change: +1,658,416
Total reported value: $1,683,028,664
Put/Call ratio: 2%
Price per share: $35.69
Number of holders: 230
Value change: +$48,077,369
Number of buys: 129
Number of sells: 105

Quarterly Holders Quick Answers

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

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SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2024
Previous quarter: Q3 2023

Recent filing periods for CUSIP 04963C209:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

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	9.4%	4,689,883	$205,416,876	—	30 Sep 2023	13F
BlackRock Finance, Inc.	13F	Company	7.9%	3,958,642	$173,388,505	—	30 Sep 2023	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	6.5%	3,227,209	$141,351,754	—	30 Sep 2023	13F
Champlain Investment Partners, LLC	13F	Company	3.7%	1,851,540	$81,097,452	—	30 Sep 2023	13F
First Light Asset Management, LLC	13F	Company	3%	1,489,407	$65,236,027	—	30 Sep 2023	13F
MACQUARIE GROUP LTD	13F	Company	2.9%	1,458,501	$63,882,000	—	30 Sep 2023	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	2.9%	1,435,814	$62,888,653	—	30 Sep 2023	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	2.5%	1,233,633	$54,033,125	—	30 Sep 2023	13F
STATE STREET CORP	13F	Company	2.3%	1,147,519	$50,261,332	—	30 Sep 2023	13F
Invesco Ltd.	13F	Company	2.1%	1,034,471	$45,309,829	—	30 Sep 2023	13F
CREDIT SUISSE AG/	13F	Company	2.1%	1,030,323	$45,128,148	—	30 Sep 2023	13F
Nuveen Asset Management, LLC	13F	Company	2%	1,019,070	$44,635,265	—	30 Sep 2023	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2%	991,985	$43,449,394	—	30 Sep 2023	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	2%	986,407	$43,210,024	—	30 Sep 2023	13F
TimesSquare Capital Management, LLC	13F	Company	1.8%	904,835	$39,632,000	—	30 Sep 2023	13F
GW&K Investment Management, LLC	13F	Company	1.7%	866,527	$37,954,000	—	30 Sep 2023	13F
LOOMIS SAYLES & CO L P	13F	Company	1.7%	860,538	$37,691,000	—	30 Sep 2023	13F
Hood River Capital Management LLC	13F	Company	1.7%	847,342	$37,113,580	—	30 Sep 2023	13F
Neuberger Berman Group LLC	13F	Company	1.5%	764,017	$33,469,276	—	30 Sep 2023	13F
Bellevue Group AG	13F	Company	1.5%	747,560	$32,743,128	—	30 Sep 2023	13F
Fiera Capital Corp	13F	Company	1.4%	688,057	$30,136,897	—	30 Sep 2023	13F
NORTHERN TRUST CORP	13F	Company	1.2%	613,844	$26,886,366	—	30 Sep 2023	13F
WASATCH ADVISORS LP	13F	Company	1.1%	563,288	$24,672,014	—	30 Sep 2023	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	1%	515,365	$22,572,987	—	30 Sep 2023	13F
EMERALD ADVISERS, LLC	13F	Company	1%	498,972	$21,854,974	—	30 Sep 2023	13F
BNP Paribas Asset Management Holding S.A.	13F	Company	0.99%	495,473	$21,702,000	—	30 Sep 2023	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.87%	434,483	$19,032,000	—	30 Sep 2023	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.83%	411,400	$18,019,320	—	30 Sep 2023	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.8%	400,818	$17,555,828	—	30 Sep 2023	13F
Granite Investment Partners, LLC	13F	Company	0.79%	395,810	$17,336,478	—	30 Sep 2023	13F
MARSHALL WACE, LLP	13F	Company	0.74%	368,661	$16,147,353	—	30 Sep 2023	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.73%	362,986	$15,898,787	—	30 Sep 2023	13F
JPMORGAN CHASE & CO	13F	Company	0.65%	322,010	$14,104,037	—	30 Sep 2023	13F
NEXT CENTURY GROWTH INVESTORS LLC	13F	Company	0.63%	313,724	$13,741,111	—	30 Sep 2023	13F
Soleus Capital Management, L.P.	13F	Company	0.61%	306,000	$13,402,800	—	30 Sep 2023	13F
Bank of New York Mellon Corp	13F	Company	0.58%	289,572	$12,683,234	—	30 Sep 2023	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.55%	276,115	$12,093,838	—	30 Sep 2023	13F
NORGES BANK	13F	Company	0.55%	273,632	$11,985,082	—	30 Sep 2023	13F
MORGAN STANLEY	13F	Company	0.51%	252,699	$11,068,215	—	30 Sep 2023	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.49%	242,058	$10,602,131	—	30 Sep 2023	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.48%	239,400	$10,485,720	—	30 Sep 2023	13F
SECTORAL ASSET MANAGEMENT INC	13F	Company	0.47%	236,532	$10,360,102	—	30 Sep 2023	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.46%	227,621	$9,969,800	—	30 Sep 2023	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.44%	217,331	$9,519,098	—	30 Sep 2023	13F
WCM INVESTMENT MANAGEMENT, LLC	13F	Company	0.41%	205,596	$9,005,105	—	30 Sep 2023	13F
SILVERCREST ASSET MANAGEMENT GROUP LLC	13F	Company	0.41%	202,750	$8,880,450	—	30 Sep 2023	13F
Assenagon Asset Management S.A.	13F	Company	0.41%	202,408	$8,865,470	—	30 Sep 2023	13F
Amundi	13F	Individual	0.42%	208,758	$7,638,455	—	30 Sep 2023	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.35%	173,819	$7,613,272	—	30 Sep 2023	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.33%	166,118	$7,275,968	—	30 Sep 2023	13F

Institutional Holders of AtriCure, Inc. - Common Stock (ATRC) as of Q4 2023

As of 31 Dec 2023, AtriCure, Inc. - Common Stock (ATRC) was held by 230 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 47,164,039 shares. The largest 10 holders included VANGUARD GROUP INC, BlackRock Inc., ALLIANCEBERNSTEIN L.P., Champlain Investment Partners, LLC, MACQUARIE GROUP LTD, First Light Asset Management, LLC, WELLINGTON MANAGEMENT GROUP LLP, STATE STREET CORP, Invesco Ltd., and FRED ALGER MANAGEMENT, LLC. This page lists 230 institutional shareholders reporting positions in this security for the Q4 2023 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2023 vs Q3 2023 Across Filers

Q3 2023 holders

224

Q4 2023 holders

230

Holder diff

Investor	Q3 2023 Shares	Q4 2023 Shares	Share Diff	Share Chg %	Q3 2023 Value $	Q4 2023 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.