AtriCure, Inc. - Common Shares (ATRC)

Historical Holders from Q1 2014 to Q4 2025

Type / Class
Equity / Common Shares
Symbol
ATRC on Nasdaq
Shares outstanding
49,768,891
Price per share
$39.56
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares as of 30 Sep 2025
48,135,947
Total reported value
$1,696,520,088
% of total 13F portfolios
0%
Share change
-761,460
Value change
-$26,346,948
Avg buy value change
+0%
Avg sell value change
-0%
Number of holders
217
Price from insider filings
$27.37
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of AtriCure, Inc. - Common Shares (ATRC) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
WELLINGTON MANAGEMENT GROUP LLP 8% $125,190,744 3,969,269 Wellington Management Group LLP 30 Jun 2025
BlackRock, Inc. 7.8% $136,165,391 3,862,837 BlackRock, Inc. 30 Sep 2025
Hood River Capital Management LLC 6% $97,652,615 2,923,731 Hood River Capital Management LLC 31 Dec 2024
MACQUARIE GROUP LTD 4.6% -9.2% $80,700,257 -$7,537,719 2,289,369 -8.5% Macquarie Group Limited 30 Sep 2025
Champlain Investment Partners, LLC 4.4% -22% $71,407,964 -$21,803,353 2,137,963 -23% Champlain Investment Partners, LLC 31 Mar 2025
As of 30 Sep 2025, AtriCure, Inc. - Common Shares (ATRC) has 217 institutional shareholders filing 13F forms. They hold 48,135,947 shares. of 49,768,891 outstanding shares (97%) .

Top 25 institutional shareholders own 76% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 9.7% 4,840,894 -1.3% 0% $170,641,514
WELLINGTON MANAGEMENT GROUP LLP 8.6% 4,292,087 +8.1% 0.03% $151,296,066
BlackRock, Inc. 8% 3,997,109 -0.63% 0% $140,898,109
ALLIANCEBERNSTEIN L.P. 7.2% 3,558,592 -0.42% 0.04% $125,440,368
Hood River Capital Management LLC 6.1% 3,045,587 -0.51% 1.3% $107,356,942
MACQUARIE GROUP LTD 4.6% 2,289,369 -8.5% 0.09% $80,700,000
Champlain Investment Partners, LLC 4% 1,978,213 -1.9% 0.53% $69,732,008
STATE STREET CORP 2.5% 1,264,293 -0.74% 0% $44,566,328
NEUBERGER BERMAN GROUP LLC 2.4% 1,191,111 +0.12% 0.03% $41,971,938
GEODE CAPITAL MANAGEMENT, LLC 2.4% 1,191,055 +0.79% 0% $41,991,227
First Light Asset Management, LLC 1.8% 890,362 -12% 3% $31,385,261
GW&K Investment Management, LLC 1.7% 861,035 -15% 0.27% $30,352,000
DIMENSIONAL FUND ADVISORS LP 1.7% 850,556 +3.7% 0.01% $29,980,418
KENNEDY CAPITAL MANAGEMENT LLC 1.7% 836,916 +36% 0.65% $29,501,289
GOLDMAN SACHS GROUP INC 1.6% 777,308 +4.3% 0% $27,400,107
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 1.5% 767,138 +1.5% 0.07% $27,042,000
BANK OF AMERICA CORP /DE/ 1.5% 724,955 +2.1% 0% $25,554,657
Voya Investment Management LLC 1.4% 707,062 -0.47% 0.02% $24,923,937
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC 1.2% 593,339 -51% 0% $20,915,200
DAFNA Capital Management LLC 1.2% 592,273 0% 5.2% $20,877,623
MARSHALL WACE, LLP 1.1% 559,172 -44% 0.02% $19,710,813
Nuveen, LLC 1.1% 556,575 -41% 0.01% $19,619,269
NORTHERN TRUST CORP 0.93% 462,090 -0.68% 0% $16,288,674
TWO SIGMA INVESTMENTS, LP 0.91% 452,875 +9.9% 0.02% $15,963,844
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.86% 427,897 +5% 0% $15,083,369

Institutional Holders of AtriCure, Inc. - Common Shares (ATRC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q4 81,100 $3,220,338 +$918,293 $39.56 6
2025 Q3 48,135,947 $1,696,520,088 -$26,346,948 $35.25 217
2025 Q2 48,899,026 $1,601,933,467 -$39,427,096 $32.77 197
2025 Q1 50,269,592 $1,621,969,076 +$127,818,413 $32.26 217
2024 Q4 46,483,344 $1,421,304,781 -$87,630,696 $30.56 209
2024 Q3 49,264,286 $1,381,109,066 -$12,223,311 $28.04 198
2024 Q2 50,723,505 $1,155,009,424 +$19,813,566 $22.77 194
2024 Q1 49,351,679 $1,501,026,424 +$67,021,576 $30.42 218
2023 Q4 47,164,039 $1,683,028,664 +$48,077,369 $35.69 230
2023 Q3 45,425,624 $1,988,207,852 +$14,251,801 $43.80 224
2023 Q2 45,005,948 $2,219,137,443 +$14,004,669 $49.36 219
2023 Q1 44,806,862 $1,857,210,760 -$5,467,106 $41.45 219
2022 Q4 44,912,321 $1,992,625,452 +$11,085,452 $44.38 207
2022 Q3 44,732,086 $1,747,349,909 -$40,042,063 $39.10 201
2022 Q2 44,464,969 $1,816,797,154 +$5,915,882 $40.86 196
2022 Q1 44,016,086 $2,889,958,812 -$4,881,515 $65.67 206
2021 Q4 44,091,364 $3,064,833,086 +$50,071,000 $69.53 211
2021 Q3 43,335,200 $3,014,938,884 -$67,863,474 $69.55 206
2021 Q2 44,284,173 $3,513,197,655 -$20,715,510 $79.33 206
2021 Q1 44,587,200 $2,919,424,135 +$101,599,138 $65.52 184
2020 Q4 44,006,691 $2,449,180,355 +$92,888,778 $55.67 191
2020 Q3 42,560,668 $1,698,181,209 +$16,788,166 $39.90 178
2020 Q2 41,949,121 $1,885,283,353 +$271,715,763 $44.95 184
2020 Q1 36,027,641 $1,210,074,214 +$38,131,339 $33.59 151
2019 Q4 34,897,661 $1,134,489,738 +$6,242,315 $32.51 136
2019 Q3 34,971,951 $871,931,403 +$13,937,979 $24.94 137
2019 Q2 34,463,060 $1,029,347,018 +$21,797,776 $29.84 141
2019 Q1 34,483,338 $923,710,939 -$1,149,424 $26.79 157
2018 Q4 34,464,747 $1,053,958,551 +$87,376,454 $30.60 146
2018 Q3 31,486,078 $1,102,867,845 +$24,118,532 $35.03 126
2018 Q2 30,819,604 $833,657,253 +$6,641,664 $27.05 106
2018 Q1 30,696,727 $629,904,807 +$10,866,556 $20.52 108
2017 Q4 30,239,580 $551,579,395 +$5,432,912 $18.24 109
2017 Q3 29,692,968 $664,222,260 +$28,363,887 $22.37 114
2017 Q2 28,173,961 $683,211,428 -$25,680,378 $24.25 106
2017 Q1 29,274,269 $560,358,844 +$61,634,671 $19.15 98
2016 Q4 28,132,992 $550,550,714 +$39,513,282 $19.57 99
2016 Q3 26,389,549 $417,429,910 +$29,131,174 $15.82 99
2016 Q2 25,645,722 $362,366,046 -$7,392,034 $14.13 100
2016 Q1 25,932,783 $436,449,990 -$27,162,554 $16.83 113
2015 Q4 26,812,438 $601,390,870 -$14,290,126 $22.44 116
2015 Q3 27,006,984 $591,696,477 +$313,235 $21.91 120
2015 Q2 27,036,324 $666,161,962 +$19,775,170 $24.64 111
2015 Q1 26,265,089 $538,117,096 +$27,766,697 $20.49 109
2014 Q4 24,915,260 $497,299,607 +$34,977,590 $19.96 104
2014 Q3 23,044,014 $339,203,923 +$6,474,716 $14.72 110
2014 Q2 23,012,825 $421,949,569 +$8,269,318 $18.38 112
2014 Q1 22,218,123 $417,693,024 +$117,712,646 $18.81 113