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, Q3 2025
Institutional positions in AtriCure, Inc. as of Sep 30, 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
- 223
- +23 vs. Q2 2025
- Shares held
- 48.2M
- −753.1K (−1.5%) vs. Q2 2025
- Total value
- $1.70B
- +$95.0M (+5.9%) vs. Q2 2025
- New holders
- 33
- 71 more added
- Sold out
- 10
- 82 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding AtriCure, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 4,840,894 | $170.6M | 0.00% | −65,324−1.3% | Reduced |
| Wellington Management Group LLP | 4,292,087 | $151.3M | 0.03% | +322,818+8.1% | Added |
| BlackRock, Inc. | 3,997,109 | $140.9M | 0.00% | −25,359−0.6% | Reduced |
| Alliancebernstein L.P. | 3,558,592 | $125.4M | 0.04% | −15,057−0.4% | Reduced |
| Hood River Capital Management LLC | 3,045,587 | $107.4M | 1.27% | −15,472−0.5% | Reduced |
| Macquarie Group Ltd | 2,289,369 | $80.7M | 0.09% | −213,836−8.5% | Reduced |
| Champlain Investment Partners, LLC | 1,978,213 | $69.7M | 0.53% | −38,541−1.9% | Reduced |
| State Street Corp | 1,264,293 | $44.6M | 0.00% | −9,443−0.7% | Reduced |
| Geode Capital Management, LLC | 1,191,055 | $42.0M | 0.00% | +9,318+0.8% | Added |
| Neuberger Berman Group LLC | 1,191,111 | $42.0M | 0.03% | +1,372+0.1% | Added |
| First Light Asset Management, LLC | 890,362 | $31.4M | 2.96% | −124,808−12.3% | Reduced |
| GW&K Investment Management, LLC | 861,035 | $30.4M | 0.27% | −147,305−14.6% | Reduced |
| Dimensional Fund Advisors LP | 850,556 | $30.0M | 0.01% | +30,448+3.7% | Added |
| Kennedy Capital Management, Inc. | 836,916 | $29.5M | 0.65% | +222,529+36.2% | Added |
| Goldman Sachs Group Inc | 777,308 | $27.4M | 0.00% | +32,279+4.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 767,138 | $27.0M | 0.07% | +11,601+1.5% | Added |
| Bank of America Corp | 724,955 | $25.6M | 0.00% | +14,782+2.1% | Added |
| Voya Investment Management LLC | 707,062 | $24.9M | 0.02% | −3,338−0.5% | Reduced |
| UBS Asset Management Americas Inc | 593,339 | $20.9M | 0.00% | −609,528−50.7% | Reduced |
| DAFNA Capital Management LLC | 592,273 | $20.9M | 5.16% | 00.0% | Unchanged |
| Marshall Wace, LLP | 559,172 | $19.7M | 0.02% | −446,076−44.4% | Reduced |
| Nuveen, LLC | 556,575 | $19.6M | 0.01% | −381,655−40.7% | Reduced |
| Northern Trust Corp | 462,090 | $16.3M | 0.00% | −3,170−0.7% | Reduced |
| Two Sigma Investments, LP | 452,875 | $16.0M | 0.02% | +40,962+9.9% | Added |
| Charles Schwab Investment Management Inc | 427,897 | $15.1M | 0.00% | +20,475+5.0% | Added |
| Massachusetts Financial Services Co | 424,681 | $15.0M | 0.00% | +424,681 | New |
| Wasatch Advisors Inc | 408,755 | $14.4M | 0.08% | −98,067−19.3% | Reduced |
| FMR LLC | 393,996 | $13.9M | 0.00% | +123,711+45.8% | Added |
| Two Sigma Advisers, LP | 357,000 | $12.6M | 0.03% | −94,100−20.9% | Reduced |
| Millennium Management LLC | 353,260 | $12.5M | 0.01% | −6,805−1.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 351,278 | $12.4M | 0.04% | +86,934+32.9% | Added |
| WCM Investment Management, LLC | 325,721 | $11.4M | 0.02% | −1,777−0.5% | Reduced |
| Osterweis Capital Management Inc | 322,080 | $11.4M | 0.51% | +6,550+2.1% | Added |
| Voloridge Investment Management, LLC | 273,749 | $9.65M | 0.03% | +4,041+1.5% | Added |
| Point72 (DIFC) Ltd | 262,065 | $9.24M | 0.64% | +262,065 | New |
| Renaissance Technologies LLC | 258,800 | $9.12M | 0.01% | −118,900−31.5% | Reduced |
| Raymond James Financial Inc | 237,278 | $8.36M | 0.00% | −15,245−6.0% | Reduced |
| JPMorgan Chase & Co | 226,987 | $8.00M | 0.00% | +18,716+9.0% | Added |
| State of Wisconsin Investment Board | 218,571 | $7.70M | 0.02% | −5,239−2.3% | Reduced |
| Amundi | 219,376 | $7.62M | 0.00% | −22,317−9.2% | Reduced |
| Panagora Asset Management Inc | 215,721 | $7.60M | 0.03% | +724+0.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 208,609 | $7.35M | 0.01% | +7,395+3.7% | Added |
| Nicholas Company, Inc. | 192,635 | $6.79M | 0.12% | 00.0% | Unchanged |
| Morgan Stanley | 188,816 | $6.66M | 0.00% | −63,274−25.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 175,000 | $6.17M | 0.01% | −100,000−36.4% | Reduced |
| Squarepoint Ops LLC | 174,689 | $6.16M | 0.01% | −12,276−6.6% | Reduced |
| Advisors Capital Management, LLC | 174,040 | $6.13M | 0.08% | +4,878+2.9% | Added |
| Bank of New York Mellon Corp | 154,057 | $5.43M | 0.00% | +2,042+1.3% | Added |
| Oberweis Asset Management Inc | 153,500 | $5.41M | 0.21% | +153,500 | New |
| Algert Global LLC | 147,038 | $5.18M | 0.09% | +90,969+162.2% | Added |
| First Trust Advisors LP | 135,120 | $4.76M | 0.00% | +2,278+1.7% | Added |
| SEI Investments Co | 126,241 | $4.45M | 0.00% | −55,276−30.5% | Reduced |
| Paradigm Capital Management Inc | 123,100 | $4.34M | 0.19% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 119,157 | $4.19M | 0.01% | −85,266−41.7% | Reduced |
| Allianz Asset Management GmbH | 113,249 | $3.99M | 0.00% | +2,432+2.2% | Added |
| Sit Investment Associates Inc | 107,905 | $3.80M | 0.08% | 00.0% | Unchanged |
| Jane Street Group, LLC | 97,805 | $3.45M | 0.00% | +68,315+231.7% | Added |
| Swiss National Bank | 96,000 | $3.38M | 0.00% | +1,500+1.6% | Added |
| Qube Research & Technologies Ltd | 94,729 | $3.34M | 0.00% | +63,531+203.6% | Added |
| UBS Group AG | 92,659 | $3.27M | 0.00% | −23,497−20.2% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 87,569 | $3.09M | 0.05% | +76,431+686.2% | Added |
| Barclays PLC | 85,478 | $3.01M | 0.00% | −15,107−15.0% | Reduced |
| AQR Capital Management LLC | 84,172 | $2.97M | 0.00% | +16,459+24.3% | Added |
| HighMark Wealth Management LLC | 83,725 | $2.95M | 1.30% | 00.0% | Unchanged |
| Wells Fargo & Company | 81,973 | $2.89M | 0.00% | −45,629−35.8% | Reduced |
| Grandeur Peak Global Advisors, LLC | 78,900 | $2.78M | 0.37% | +78,900 | New |
| Rhumbline Advisers | 78,141 | $2.75M | 0.00% | −2,306−2.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 75,922 | $2.68M | 0.10% | −16,714−18.0% | Reduced |
| American Century Companies Inc | 72,885 | $2.57M | 0.00% | +39,381+117.5% | Added |
| Invesco Ltd. | 68,973 | $2.43M | 0.00% | +4,540+7.0% | Added |
| Prudential Financial Inc | 67,285 | $2.37M | 0.00% | +60,955+963.0% | Added |
| Trexquant Investment LP | 66,520 | $2.34M | 0.02% | +66,520 | New |
| Brinker Capital Investments, LLC | 61,478 | $2.17M | 0.02% | −2,123−3.3% | Reduced |
| Riverwater Partners LLC | 60,322 | $2.13M | 0.88% | +26,657+79.2% | Added |
| Man Group plc | 59,495 | $2.10M | 0.00% | −22,898−27.8% | Reduced |
| Citigroup Inc | 57,085 | $2.01M | 0.00% | +36,839+182.0% | Added |
| Legal & General Group Plc | 56,892 | $2.01M | 0.00% | +136+0.2% | Added |
| Envestnet Asset Management Inc | 54,308 | $1.91M | 0.00% | −4,152−7.1% | Reduced |
| Franklin Resources Inc | 50,448 | $1.78M | 0.00% | +2,995+6.3% | Added |
| B. Metzler seel. Sohn & Co. AG | 49,876 | $1.76M | 0.02% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 48,456 | $1.71M | 0.00% | +2,145+4.6% | Added |
| Knott David M Jr | 48,000 | $1.69M | 0.71% | +1,557+3.4% | Added |
| Lazard Asset Management LLC | 46,841 | $1.65M | 0.00% | +3,830+8.9% | Added |
| Citadel Advisors LLC | 45,499 | $1.60M | 0.00% | −89,236−66.2% | Reduced |
| California State Teachers Retirement System | 45,003 | $1.59M | 0.00% | +20.0% | Added |
| Deutsche Bank AG | 44,666 | $1.57M | 0.00% | +4,626+11.6% | Added |
| Jump Financial, LLC | 39,589 | $1.40M | 0.02% | +39,589 | New |
| Scotia Capital Inc. | 37,677 | $1.33M | 0.01% | +457+1.2% | Added |
| Cubist Systematic Strategies, LLC | 37,434 | $1.32M | 0.02% | +37,434 | New |
| Gsa Capital Partners LLP | 37,333 | $1.32M | 0.11% | +5,127+15.9% | Added |
| Teachers Retirement System of the State of Kentucky | 36,102 | $1.27M | 0.01% | 00.0% | Unchanged |
| Diversified Trust Co | 34,636 | $1.22M | 0.02% | +714+2.1% | Added |
| Bessemer Group Inc | 34,580 | $1.22M | 0.00% | −30−0.1% | Reduced |
| Principal Financial Group Inc | 31,086 | $1.10M | 0.00% | −4,153−11.8% | Reduced |
| Marks Group Wealth Management, Inc | 28,973 | $1.02M | 0.09% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 28,639 | $1.01M | 0.08% | +1,816+6.8% | Added |
| Engineers Gate Manager LP | 28,640 | $1.01M | 0.01% | −6,009−17.3% | Reduced |
| MetLife Investment Management | 28,296 | $997.4K | 0.00% | 00.0% | Unchanged |
| Perkins Capital Management Inc | 27,750 | $978.2K | 0.86% | −1,352−4.6% | Reduced |
| PDT Partners, LLC | 23,701 | $835.5K | 0.05% | 00.0% | Unchanged |