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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 4,903,755 | $194.0M | 0.00% | +62,861+1.3% | Added |
| BlackRock, Inc. | 4,065,804 | $160.8M | 0.00% | +68,695+1.7% | Added |
| Wellington Management Group LLP | 3,917,991 | $155.0M | 0.03% | −374,096−8.7% | Reduced |
| Alliancebernstein L.P. | 3,563,582 | $141.0M | 0.04% | +4,990+0.1% | Added |
| Hood River Capital Management LLC | 3,096,611 | $122.5M | 1.34% | +51,024+1.7% | Added |
| Nomura Asset Management International Inc. | 2,038,703 | $80.7M | 0.12% | +2,038,703 | New |
| State Street Corp | 1,242,374 | $49.1M | 0.00% | −21,919−1.7% | Reduced |
| Geode Capital Management, LLC | 1,191,498 | $47.1M | 0.00% | +4430.0% | Added |
| First Light Asset Management, LLC | 1,175,445 | $46.5M | 3.56% | +285,083+32.0% | Added |
| Champlain Investment Partners, LLC | 1,173,605 | $46.4M | 0.47% | −804,608−40.7% | Reduced |
| Neuberger Berman Group LLC | 1,086,326 | $43.0M | 0.03% | −104,785−8.8% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 959,294 | $38.0M | 0.04% | +192,156+25.0% | Added |
| GW&K Investment Management, LLC | 952,089 | $37.7M | 0.33% | +91,054+10.6% | Added |
| Dimensional Fund Advisors LP | 921,897 | $36.5M | 0.01% | +71,341+8.4% | Added |
| Marshall Wace, LLP | 913,453 | $36.1M | 0.03% | +354,281+63.4% | Added |
| Goldman Sachs Group Inc | 885,062 | $35.0M | 0.00% | +107,754+13.9% | Added |
| Kennedy Capital Management, Inc. | 837,326 | $33.1M | 0.70% | +4100.0% | Added |
| Voya Investment Management LLC | 712,329 | $28.2M | 0.03% | +5,267+0.7% | Added |
| Bank of America Corp | 675,731 | $26.7M | 0.00% | −49,224−6.8% | Reduced |
| DAFNA Capital Management LLC | 597,431 | $23.6M | 5.49% | +5,158+0.9% | Added |
| UBS Asset Management Americas Inc | 569,723 | $22.5M | 0.00% | −23,616−4.0% | Reduced |
| Massachusetts Financial Services Co | 511,213 | $20.2M | 0.01% | +86,532+20.4% | Added |
| Northern Trust Corp | 438,210 | $17.3M | 0.00% | −23,880−5.2% | Reduced |
| Charles Schwab Investment Management Inc | 437,883 | $17.3M | 0.00% | +9,986+2.3% | Added |
| Defilade Capital Management, L.P. | 397,636 | $15.7M | 2.13% | +397,636 | New |
| Two Sigma Investments, LP | 380,499 | $15.1M | 0.02% | −72,376−16.0% | Reduced |
| WCM Investment Management, LLC | 372,682 | $15.0M | 0.03% | +46,961+14.4% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 378,496 | $15.0M | 0.04% | +27,218+7.7% | Added |
| Wasatch Advisors Inc | 353,877 | $14.0M | 0.08% | −54,878−13.4% | Reduced |
| Morgan Stanley | 346,116 | $13.7M | 0.00% | +157,300+83.3% | Added |
| Nuveen, LLC | 336,259 | $13.3M | 0.00% | −220,316−39.6% | Reduced |
| Grandeur Peak Global Advisors, LLC | 328,491 | $13.0M | 1.75% | +249,591+316.3% | Added |
| Renaissance Technologies LLC | 321,900 | $12.7M | 0.02% | +63,100+24.4% | Added |
| Qube Research & Technologies Ltd | 290,540 | $11.5M | 0.02% | +195,811+206.7% | Added |
| FMR LLC | 285,759 | $11.3M | 0.00% | −108,237−27.5% | Reduced |
| Point72 Asset Management, L.P. | 277,924 | $11.0M | 0.02% | +277,924 | New |
| Two Sigma Advisers, LP | 277,700 | $11.0M | 0.02% | −79,300−22.2% | Reduced |
| Algert Global LLC | 261,477 | $10.3M | 0.16% | +114,439+77.8% | Added |
| Citadel Advisors LLC | 242,741 | $9.60M | 0.01% | +197,242+433.5% | Added |
| Amundi | 230,852 | $9.13M | 0.00% | +11,476+5.2% | Added |
| Panagora Asset Management Inc | 226,575 | $8.96M | 0.03% | +10,854+5.0% | Added |
| Raymond James Financial Inc | 217,462 | $8.74M | 0.00% | −19,816−8.4% | Reduced |
| Voloridge Investment Management, LLC | 220,290 | $8.71M | 0.03% | −53,459−19.5% | Reduced |
| Oberweis Asset Management Inc | 217,992 | $8.62M | 0.32% | +64,492+42.0% | Added |
| Norges Bank | 214,016 | $8.47M | 0.00% | +214,016 | New |
| Nicholas Company, Inc. | 205,505 | $8.13M | 0.14% | +12,870+6.7% | Added |
| Osterweis Capital Management Inc | 203,575 | $8.05M | 0.34% | −118,505−36.8% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 193,274 | $7.65M | 0.01% | −15,335−7.4% | Reduced |
| Advisors Capital Management, LLC | 182,853 | $7.23M | 0.09% | +8,813+5.1% | Added |
| JPMorgan Chase & Co | 179,600 | $7.10M | 0.00% | −47,387−20.9% | Reduced |
| State of Wisconsin Investment Board | 164,199 | $6.50M | 0.01% | −54,372−24.9% | Reduced |
| Millennium Management LLC | 163,795 | $6.48M | 0.00% | −189,465−53.6% | Reduced |
| SEI Investments Co | 158,303 | $6.26M | 0.01% | +32,062+25.4% | Added |
| Bank of New York Mellon Corp | 135,572 | $5.36M | 0.00% | −18,485−12.0% | Reduced |
| Paradigm Capital Management Inc | 123,100 | $4.87M | 0.20% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 117,816 | $4.66M | 0.01% | +4,567+4.0% | Added |
| First Trust Advisors LP | 117,758 | $4.66M | 0.00% | −17,362−12.8% | Reduced |
| First Eagle Investment Management, LLC | 116,609 | $4.61M | 0.01% | +116,609 | New |
| Adage Capital Partners GP, L.L.C. | 110,210 | $4.36M | 0.01% | −64,790−37.0% | Reduced |
| Sit Investment Associates Inc | 107,905 | $4.27M | 0.08% | 00.0% | Unchanged |
| UBS Group AG | 104,060 | $4.12M | 0.00% | +11,401+12.3% | Added |
| Wells Fargo & Company | 101,486 | $4.01M | 0.00% | +19,513+23.8% | Added |
| AQR Capital Management LLC | 99,956 | $3.95M | 0.00% | +15,784+18.8% | Added |
| Swiss National Bank | 98,000 | $3.88M | 0.00% | +2,000+2.1% | Added |
| Barclays PLC | 92,606 | $3.66M | 0.00% | +7,128+8.3% | Added |
| Susquehanna Portfolio Strategies, LLC | 86,325 | $3.42M | 0.05% | +86,325 | New |
| Squarepoint Ops LLC | 85,803 | $3.39M | 0.01% | −88,886−50.9% | Reduced |
| HighMark Wealth Management LLC | 83,720 | $3.31M | 1.35% | −50.0% | Reduced |
| Acadian Asset Management LLC | 82,883 | $3.27M | 0.01% | −36,274−30.4% | Reduced |
| American Century Companies Inc | 81,612 | $3.23M | 0.00% | +8,727+12.0% | Added |
| Trexquant Investment LP | 77,667 | $3.07M | 0.03% | +11,147+16.8% | Added |
| Invesco Ltd. | 74,435 | $2.94M | 0.00% | +5,462+7.9% | Added |
| F/M Investments LLC | 72,588 | $2.87M | 0.11% | +72,588 | New |
| Rhumbline Advisers | 67,345 | $2.66M | 0.00% | −10,796−13.8% | Reduced |
| Prudential Financial Inc | 60,610 | $2.40M | 0.00% | −6,675−9.9% | Reduced |
| Riverwater Partners LLC | 60,322 | $2.39M | 0.92% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 60,138 | $2.38M | 0.02% | −1,340−2.2% | Reduced |
| Engineers Gate Manager LP | 58,479 | $2.31M | 0.03% | +29,839+104.2% | Added |
| Envestnet Asset Management Inc | 58,301 | $2.31M | 0.00% | +3,993+7.4% | Added |
| Jane Street Group, LLC | 52,620 | $2.08M | 0.00% | −45,185−46.2% | Reduced |
| Franklin Resources Inc | 52,283 | $2.07M | 0.00% | +1,835+3.6% | Added |
| Deerfield Management Company, L.P. (Series C) | 52,076 | $2.06M | 0.03% | −35,493−40.5% | Reduced |
| Legal & General Group Plc | 52,043 | $2.06M | 0.00% | −4,849−8.5% | Reduced |
| Knott David M Jr | 51,400 | $2.03M | 0.94% | +3,400+7.1% | Added |
| Price T Rowe Associates Inc | 50,577 | $2.00M | 0.00% | +2,121+4.4% | Added |
| B. Metzler seel. Sohn & Co. AG | 49,876 | $1.97M | 0.02% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 49,719 | $1.97M | 0.00% | +2,878+6.1% | Added |
| Deutsche Bank AG | 45,926 | $1.82M | 0.00% | +1,260+2.8% | Added |
| California State Teachers Retirement System | 44,960 | $1.78M | 0.00% | −43−0.1% | Reduced |
| Principal Financial Group Inc | 44,140 | $1.75M | 0.00% | +13,054+42.0% | Added |
| OpenArc Corporate Advisory, LLC | 44,084 | $1.74M | 0.03% | +44,084 | New |
| Scotia Capital Inc. | 38,949 | $1.54M | 0.01% | +1,272+3.4% | Added |
| Oak Harvest Investment Services | 37,500 | $1.48M | 0.16% | +37,500 | New |
| Diversified Trust Co | 37,436 | $1.48M | 0.03% | +2,800+8.1% | Added |
| SG Americas Securities, LLC | 37,081 | $1.47M | 0.00% | +13,693+58.5% | Added |
| Teachers Retirement System of the State of Kentucky | 36,102 | $1.43M | 0.01% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 34,802 | $1.38M | 0.12% | −2,531−6.8% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 34,728 | $1.37M | 0.03% | +27,211+362.0% | Added |
| Harbor Capital Advisors, Inc. | 33,564 | $1.33M | 0.10% | +4,925+17.2% | Added |
| Bessemer Group Inc | 33,140 | $1.31M | 0.00% | −1,440−4.2% | Reduced |