AtriCure, Inc.

Historical 13F Holders

Symbol
ATRC
CUSIP
04963C209
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 04963C209 since 12/18/2024, newest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A Amendment 9 15.4% 10/5/2026
Event 9/30/2026
AllianceBernstein L.P. 13G/A Amendment 3 5.5% 8/14/2026
Event 6/30/2026
Wellington Management Group LLP 13G/A Amendment 1
6.8% 5/15/2026
Event 3/31/2026
Vanguard Capital Management LLC 13G 5.1% 4/29/2026
Event 3/31/2026
Vanguard Portfolio Management LLC 13G 5.5% 4/28/2026
Event 3/31/2026
Vanguard Group Inc 13G/A Amendment 6 0% 3/26/2026
Event 3/13/2026
Hood River Capital Management LLC 13G/A Amendment 2 6.2% 2/17/2026
Event 12/31/2025
Macquarie Group Ltd 13G/A Amendment 1
4.6% 11/13/2025
Event 9/30/2025
BlackRock, Inc. 13G/A Amendment 8 7.8% 10/17/2025
Event 9/30/2025
Macquarie Group Ltd 13G
5.1% 8/12/2025
Event 6/30/2025
Wellington Management Group LLP 13G
8.0% 8/12/2025
Event 6/30/2025
Champlain Investment Partners, LLC 13G 4.4% 5/14/2025
Event 3/31/2025
Hood River Capital Management LLC 13G/A Amendment 1 6.0% 2/14/2025
Event 12/31/2024
Champlain Investment Partners, LLC 13G 5.7% 11/12/2024
Event 9/30/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 6 5.53 k $311 k
2026 Q2 261 54.4 M $1.54 B
2026 Q1 225 50.0 M $1.46 B
2025 Q4 237 48.8 M $1.93 B
2025 Q3 227 48.4 M $1.71 B
2025 Q2 206 49.0 M $1.61 B
2025 Q1 227 50.4 M $1.63 B
2024 Q4 220 46.6 M $1.42 B
2024 Q3 206 49.7 M $1.39 B
2024 Q2 208 51.5 M $1.17 B
2024 Q1 238 52.1 M $1.58 B
2023 Q4 242 48.4 M $1.73 B
2023 Q3 235 45.5 M $1.99 B
2023 Q2 230 45.1 M $2.22 B
2023 Q1 231 44.9 M $1.86 B
2022 Q4 222 46.1 M $2.07 B
2022 Q3 218 44.7 M $1.75 B
2022 Q2 217 44.5 M $1.82 B
2022 Q1 223 44.1 M $2.89 B
2021 Q4 224 44.2 M $3.07 B
2021 Q3 222 43.4 M $3.02 B
2021 Q2 218 44.3 M $3.51 B
2021 Q1 199 44.6 M $2.92 B
2020 Q4 207 44.3 M $2.47 B
2020 Q3 194 42.6 M $1.70 B
2020 Q2 198 41.9 M $1.89 B
2020 Q1 167 37.3 M $1.25 B
2019 Q4 146 35.4 M $1.15 B
2019 Q3 146 35.0 M $872 M
2019 Q2 157 34.6 M $1.03 B
2019 Q1 168 35.2 M $943 M
2018 Q4 154 36.2 M $1.11 B
2018 Q3 132 31.8 M $1.11 B
2018 Q2 110 30.9 M $835 M
2018 Q1 109 30.8 M $631 M
2017 Q4 110 30.2 M $552 M
2017 Q3 115 29.7 M $664 M
2017 Q2 111 28.2 M $684 M
2017 Q1 101 29.3 M $562 M
2016 Q4 103 28.2 M $553 M
2016 Q3 104 26.5 M $420 M
2016 Q2 105 25.7 M $364 M
2016 Q1 118 26.0 M $437 M
2015 Q4 122 26.8 M $601 M
2015 Q3 124 27.0 M $592 M
2015 Q2 113 27.0 M $666 M
2015 Q1 114 26.4 M $539 M
2014 Q4 106 25.0 M $498 M
2014 Q3 115 23.7 M $351 M
2014 Q2 117 24.4 M $448 M
2014 Q1 118 22.3 M $419 M