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, Q2 2026
Institutional positions in AtriCure, Inc. as of Jun 30, 2026. 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
- 251
- +29 vs. Q1 2026
- Shares held
- 52.4M
- +2.38M (+4.8%) vs. Q1 2026
- Total value
- $1.47B
- +$5.77M (+0.4%) vs. Q1 2026
- New holders
- 52
- 102 more added
- Sold out
- 23
- 62 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding AtriCure, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Advisors Capital Management, LLC | 174,496 | $4.88M | 0.05% | −7,818−4.3% | Reduced |
| Citadel Advisors LLC | 177,339 | $4.96M | 0.00% | +89,992+103.0% | Added |
| D. E. Shaw & Co., Inc. | 192,824 | $5.40M | 0.00% | +136,235+240.7% | Added |
| Nicholas Company, Inc. | 204,595 | $5.72M | 0.10% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 226,338 | $6.33M | 0.01% | +10,793+5.0% | Added |
| Wasatch Advisors Inc | 233,604 | $6.54M | 0.04% | −20,327−8.0% | Reduced |
| Renaissance Technologies LLC | 234,100 | $6.55M | 0.01% | −74,600−24.2% | Reduced |
| Amundi | 264,854 | $7.41M | 0.00% | +38,922+17.2% | Added |
| Raymond James Financial Inc | 266,055 | $7.44M | 0.00% | +49,148+22.7% | Added |
| SEI Investments Co | 281,310 | $7.87M | 0.01% | +20,522+7.9% | Added |
| First Eagle Investment Management, LLC | 297,643 | $8.33M | 0.01% | +35,500+13.5% | Added |
| HRT Financial LP | 299,736 | $8.39M | 0.02% | +232,665+346.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 335,541 | $9.39M | 0.02% | −9,847−2.9% | Reduced |
| Vanguard Fiduciary Trust Co | 359,048 | $10.0M | 0.00% | +16,194+4.7% | Added |
| WCM Investment Management, LLC | 351,081 | $10.1M | 0.02% | −8,680−2.4% | Reduced |
| Nuveen, LLC | 365,825 | $10.2M | 0.00% | +29,098+8.6% | Added |
| Norges Bank | 374,362 | $10.5M | 0.00% | +374,362 | New |
| Panagora Asset Management Inc | 389,099 | $10.9M | 0.03% | +161,722+71.1% | Added |
| Charles Schwab Investment Management Inc | 423,106 | $11.8M | 0.00% | −6,727−1.6% | Reduced |
| Morgan Stanley | 457,798 | $12.8M | 0.00% | −261,364−36.3% | Reduced |
| Northern Trust Corp | 482,043 | $13.5M | 0.00% | +32,444+7.2% | Added |
| Osterweis Capital Management Inc | 501,355 | $14.0M | 0.66% | +151,710+43.4% | Added |
| FMR LLC | 506,357 | $14.2M | 0.00% | +169,543+50.3% | Added |
| Two Sigma Investments, LP | 525,795 | $14.7M | 0.01% | −225,208−30.0% | Reduced |
| AQR Capital Management LLC | 544,123 | $15.2M | 0.01% | +357,741+191.9% | Added |
| Qube Research & Technologies Ltd | 560,824 | $15.7M | 0.02% | +106,033+23.3% | Added |
| First Light Asset Management, LLC | 567,838 | $15.9M | 0.97% | −161,683−22.2% | Reduced |
| Massachusetts Financial Services Co | 580,621 | $16.2M | 0.01% | −4,732−0.8% | Reduced |
| Grandeur Peak Global Advisors, LLC | 587,399 | $16.4M | 3.80% | +205,497+53.8% | Added |
| DAFNA Capital Management LLC | 597,431 | $16.7M | 3.19% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 604,380 | $16.9M | 0.03% | +604,380 | New |
| Divisadero Street Capital Management, LP | 800,931 | $22.4M | 0.52% | −359,024−31.0% | Reduced |
| Kennedy Capital Management, Inc. | 857,787 | $24.0M | 0.42% | +23,632+2.8% | Added |
| Bank of America Corp | 874,370 | $24.5M | 0.00% | +105,809+13.8% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 897,419 | $25.1M | 0.03% | −163,387−15.4% | Reduced |
| Champlain Investment Partners, LLC | 938,567 | $26.3M | 0.67% | −32,544−3.4% | Reduced |
| GW&K Investment Management, LLC | 949,516 | $26.6M | 0.21% | −13,899−1.4% | Reduced |
| Neuberger Berman Group LLC | 947,982 | $26.6M | 0.02% | −102,300−9.7% | Reduced |
| Dimensional Fund Advisors LP | 1,044,034 | $29.2M | 0.01% | +46,275+4.6% | Added |
| Arrowstreet Capital, Limited Partnership | 1,296,209 | $36.3M | 0.02% | +1,018,527+366.8% | Added |
| Geode Capital Management, LLC | 1,319,687 | $36.9M | 0.00% | +93,571+7.6% | Added |
| Marshall Wace, LLP | 1,333,904 | $37.3M | 0.03% | −133,620−9.1% | Reduced |
| State Street Corp | 1,389,989 | $38.9M | 0.00% | +87,827+6.7% | Added |
| Goldman Sachs Group Inc | 1,597,988 | $44.7M | 0.00% | −69,178−4.1% | Reduced |
| Nomura Asset Management International Inc. | 1,734,279 | $48.5M | 0.07% | −70,648−3.9% | Reduced |
| Vanguard Capital Management LLC | 2,190,413 | $61.3M | 0.00% | +34,649+1.6% | Added |
| Alliancebernstein L.P. | 2,768,365 | $79.0M | 0.03% | −490,507−15.1% | Reduced |
| Hood River Capital Management LLC | 2,905,299 | $81.3M | 0.59% | −212,246−6.8% | Reduced |
| Vanguard Portfolio Management LLC | 3,127,195 | $87.5M | 0.00% | +424,563+15.7% | Added |
| Wellington Management Group LLP | 3,495,603 | $97.8M | 0.02% | +113,048+3.3% | Added |
| BlackRock, Inc. | 4,474,548 | $125.2M | 0.00% | +431,867+10.7% | Added |
| Millennium Management LLC | 0 | $0 | 0.00% | −179,886−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −122,158−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −54,015−100.0% | Sold out |
| Oak Harvest Investment Services | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −36,242−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −17,299−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −15,731−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −10,472−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −9,570−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −9,563−100.0% | Sold out |
| Cornerstone Investment Partners, LLC | 0 | $0 | 0.00% | −9,178−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −8,635−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −7,013−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −5,616−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −3,537−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −1,800−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −1,135−100.0% | Sold out |
| C M Bidwell & Associates Ltd | 0 | $0 | 0.00% | −117−100.0% | Sold out |
| LRI Investments, LLC | 0 | $0 | 0.00% | −78−100.0% | Sold out |
| Wealth Preservation Advisors, LLC | 0 | $0 | 0.00% | −48−100.0% | Sold out |
| Investors Portfolio Services LLC | 0 | $0 | 0.00% | −41−100.0% | Sold out |
| Hughes Financial Services, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Avion Wealth | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |