AtriCure, Inc.
ATRC- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001323885
In the last 90 days, AtriCure, Inc. insiders filed 0 open-market purchases and 10 sales; 251 institutions reported holding it in 13F filings for Q2 2026, worth $1.47B in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in AtriCure, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 234
- +15 vs. Q3 2025
- Shares held
- 48.7M
- +887.4K (+1.9%) vs. Q3 2025
- Total value
- $1.93B
- +$242.0M (+14.4%) vs. Q3 2025
- New holders
- 36
- 91 more added
- Sold out
- 21
- 74 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATRC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 251 | $1.47B |
| Q1 2026 | 224 | $1.46B |
| Q4 2025 | 234 | $1.93B |
| Q3 2025 | 223 | $1.70B |
| Q2 2025 | 202 | $1.60B |
| Q1 2025 | 221 | $1.62B |
| Q4 2024 | 213 | $1.42B |
| Q3 2024 | 202 | $1.39B |
| Q2 2024 | 198 | $1.16B |
| Q1 2024 | 224 | $1.51B |
| Q4 2023 | 233 | $1.68B |
| Q3 2023 | 231 | $1.99B |
| Q2 2023 | 224 | $2.22B |
| Q1 2023 | 225 | $1.86B |
| Q4 2022 | 212 | $2.02B |
| Q3 2022 | 214 | $1.75B |
| Q2 2022 | 215 | $1.82B |
| Q1 2022 | 218 | $2.89B |
| Q4 2021 | 217 | $3.07B |
| Q3 2021 | 214 | $3.02B |
| Q2 2021 | 212 | $3.51B |
| Q1 2021 | 191 | $2.92B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding AtriCure, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Qube Research & Technologies Ltd | 290,540 | $11.5M | 0.02% | +195,811+206.7% | Added |
| Renaissance Technologies LLC | 321,900 | $12.7M | 0.02% | +63,100+24.4% | Added |
| Grandeur Peak Global Advisors, LLC | 328,491 | $13.0M | 1.75% | +249,591+316.3% | Added |
| Nuveen, LLC | 336,259 | $13.3M | 0.00% | −220,316−39.6% | Reduced |
| Morgan Stanley | 346,116 | $13.7M | 0.00% | +157,300+83.3% | Added |
| Wasatch Advisors Inc | 353,877 | $14.0M | 0.08% | −54,878−13.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 378,496 | $15.0M | 0.04% | +27,218+7.7% | Added |
| WCM Investment Management, LLC | 372,682 | $15.0M | 0.03% | +46,961+14.4% | Added |
| Two Sigma Investments, LP | 380,499 | $15.1M | 0.02% | −72,376−16.0% | Reduced |
| Defilade Capital Management, L.P. | 397,636 | $15.7M | 2.13% | +397,636 | New |
| Charles Schwab Investment Management Inc | 437,883 | $17.3M | 0.00% | +9,986+2.3% | Added |
| Northern Trust Corp | 438,210 | $17.3M | 0.00% | −23,880−5.2% | Reduced |
| Massachusetts Financial Services Co | 511,213 | $20.2M | 0.01% | +86,532+20.4% | Added |
| UBS Asset Management Americas Inc | 569,723 | $22.5M | 0.00% | −23,616−4.0% | Reduced |
| DAFNA Capital Management LLC | 597,431 | $23.6M | 5.49% | +5,158+0.9% | Added |
| Bank of America Corp | 675,731 | $26.7M | 0.00% | −49,224−6.8% | Reduced |
| Voya Investment Management LLC | 712,329 | $28.2M | 0.03% | +5,267+0.7% | Added |
| Kennedy Capital Management, Inc. | 837,326 | $33.1M | 0.70% | +4100.0% | Added |
| Goldman Sachs Group Inc | 885,062 | $35.0M | 0.00% | +107,754+13.9% | Added |
| Marshall Wace, LLP | 913,453 | $36.1M | 0.03% | +354,281+63.4% | Added |
| Dimensional Fund Advisors LP | 921,897 | $36.5M | 0.01% | +71,341+8.4% | Added |
| GW&K Investment Management, LLC | 952,089 | $37.7M | 0.33% | +91,054+10.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 959,294 | $38.0M | 0.04% | +192,156+25.0% | Added |
| Neuberger Berman Group LLC | 1,086,326 | $43.0M | 0.03% | −104,785−8.8% | Reduced |
| Champlain Investment Partners, LLC | 1,173,605 | $46.4M | 0.47% | −804,608−40.7% | Reduced |
| First Light Asset Management, LLC | 1,175,445 | $46.5M | 3.56% | +285,083+32.0% | Added |
| Geode Capital Management, LLC | 1,191,498 | $47.1M | 0.00% | +4430.0% | Added |
| State Street Corp | 1,242,374 | $49.1M | 0.00% | −21,919−1.7% | Reduced |
| Nomura Asset Management International Inc. | 2,038,703 | $80.7M | 0.12% | +2,038,703 | New |
| Hood River Capital Management LLC | 3,096,611 | $122.5M | 1.34% | +51,024+1.7% | Added |
| Alliancebernstein L.P. | 3,563,582 | $141.0M | 0.04% | +4,990+0.1% | Added |
| Wellington Management Group LLP | 3,917,991 | $155.0M | 0.03% | −374,096−8.7% | Reduced |
| BlackRock, Inc. | 4,065,804 | $160.8M | 0.00% | +68,695+1.7% | Added |
| Vanguard Group Inc | 4,903,755 | $194.0M | 0.00% | +62,861+1.3% | Added |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −2,289,369−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −75,922−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −23,015−100.0% | Sold out |
| Semanteon Capital Management, LP | 0 | $0 | 0.00% | −16,001−100.0% | Sold out |
| Henshaw Capital LLC | 0 | $0 | 0.00% | −15,560−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −12,022−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −7,582−100.0% | Sold out |
| Hohimer Wealth Management, LLC | 0 | $0 | 0.00% | −7,000−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −6,481−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −6,300−100.0% | Sold out |
| Verdence Capital Advisors LLC | 0 | $0 | 0.00% | −5,996−100.0% | Sold out |
| Portside Wealth Group, LLC | 0 | $0 | 0.00% | −6,093−100.0% | Sold out |
| Divisadero Street Capital Management, LP | 0 | $0 | 0.00% | −5,959−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −4,077−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −811−100.0% | Sold out |
| Mather Group, LLC. | 0 | $0 | 0.00% | −195−100.0% | Sold out |
| Salem Investment Counselors Inc | 0 | $0 | 0.00% | −111−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −36−100.0% | Sold out |
| South State Corp. | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |
| Point72 Europe (London) LLP | – | – | – | – | Not filed |