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, Q1 2026
Institutional positions in AtriCure, Inc. as of Mar 31, 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
- 224
- −5 vs. Q4 2025
- Shares held
- 50.0M
- +6.41M (+14.7%) vs. Q4 2025
- Total value
- $1.46B
- −$263.0M (−15.2%) vs. Q4 2025
- New holders
- 35
- 83 more added
- Sold out
- 40
- 66 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding AtriCure, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Perkins Capital Management Inc | 26,100 | $744.6K | 0.70% | −1,350−4.9% | Reduced |
| Rice Hall James & Associates, LLC | 25,210 | $719.2K | 0.04% | +25,210 | New |
| BNP Paribas Arbitrage, SA | 24,164 | $689.4K | 0.00% | +9,811+68.4% | Added |
| Janus Henderson Group PLC | 22,883 | $652.9K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 22,695 | $647.5K | 0.00% | +214+1.0% | Added |
| Manufacturers Life Insurance Company, The | 22,524 | $642.6K | 0.00% | −148−0.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 22,493 | $641.7K | 0.00% | +3,603+19.1% | Added |
| Teacher Retirement System of Texas | 21,949 | $626.2K | 0.00% | +21,949 | New |
| Truist Financial Corp | 21,305 | $607.8K | 0.00% | +111+0.5% | Added |
| LPL Financial LLC | 20,785 | $593.0K | 0.00% | −122−0.6% | Reduced |
| Handelsbanken Fonder AB | 20,300 | $579.0K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 19,881 | $567.2K | 0.17% | +12,780+180.0% | Added |
| Vanguard Global Advisers, LLC | 19,435 | $554.5K | 0.00% | +19,435 | New |
| Vident Advisory, LLC | 18,140 | $517.5K | 0.00% | +18,140 | New |
| Barclays PLC | 18,135 | $517.4K | 0.00% | −74,471−80.4% | Reduced |
| Colony Group, LLC | 18,134 | $517.4K | 0.00% | −43−0.2% | Reduced |
| Balyasny Asset Management LLC | 17,299 | $493.5K | 0.00% | +17,299 | New |
| Dynamic Technology Lab Private Ltd | 17,076 | $487.2K | 0.08% | +4,063+31.2% | Added |
| New York State Common Retirement Fund | 16,793 | $479.1K | 0.00% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 15,904 | $453.7K | 0.00% | +4,818+43.5% | Added |
| Mirabella Financial Services LLP | 15,731 | $448.8K | 0.04% | +15,731 | New |
| Russell Investments Group, Ltd. | 15,334 | $437.5K | 0.00% | +470+3.2% | Added |
| Arizona State Retirement System | 13,656 | $389.6K | 0.00% | −87−0.6% | Reduced |
| Fiduciary Trust Co | 13,630 | $388.9K | 0.00% | +1,824+15.4% | Added |
| Creative Planning | 13,419 | $382.8K | 0.00% | +873+7.0% | Added |
| Police & Firemen's Retirement System of New Jersey | 13,392 | $382.1K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 13,299 | $379.4K | 0.00% | 00.0% | Unchanged |
| Valmark Advisers, Inc. | 13,080 | $373.2K | 0.00% | +13,080 | New |
| Toroso Investments, LLC | 13,057 | $372.5K | 0.00% | +117+0.9% | Added |
| Vanguard Investments Australia, Ltd. | 12,181 | $347.5K | 0.00% | +12,181 | New |
| Aquatic Capital Management LLC | 11,774 | $335.9K | 0.01% | +11,774 | New |
| Stifel Financial Corp | 11,639 | $332.1K | 0.00% | −111−0.9% | Reduced |
| Entropy Technologies, LP | 11,493 | $327.9K | 0.02% | +2,408+26.5% | Added |
| Ronald Blue Trust, Inc. | 11,475 | $327.4K | 0.00% | 00.0% | Unchanged |
| Commerce Bank | 11,445 | $326.5K | 0.00% | −550−4.6% | Reduced |
| Diversify Wealth Management, LLC | 11,631 | $318.0K | 0.01% | +2,476+27.0% | Added |
| Intech Investment Management LLC | 11,026 | $314.6K | 0.00% | −6,701−37.8% | Reduced |
| KLP Kapitalforvaltning AS | 11,000 | $313.8K | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 10,640 | $303.6K | 0.00% | −70,972−87.0% | Reduced |
| Caxton Associates LLP | 10,472 | $298.8K | 0.01% | +3,587+52.1% | Added |
| MAI Capital Management | 9,949 | $283.8K | 0.00% | −110−1.1% | Reduced |
| Canada Pension Plan Investment Board | 9,800 | $279.6K | 0.00% | −2,400−19.7% | Reduced |
| Quantinno Capital Management LP | 9,726 | $277.5K | 0.00% | +9,726 | New |
| SG Americas Securities, LLC | 9,627 | $275.0K | 0.00% | −27,454−74.0% | Reduced |
| Bessemer Group Inc | 9,570 | $273.0K | 0.00% | −23,570−71.1% | Reduced |
| Graham Capital Management, L.P. | 9,563 | $272.8K | 0.01% | +2,476+34.9% | Added |
| Brevan Howard Capital Management LP | 9,500 | $271.0K | 0.00% | −10,478−52.4% | Reduced |
| First Bank & Trust | 9,282 | $264.8K | 0.04% | +477+5.4% | Added |
| Cornerstone Investment Partners, LLC | 9,178 | $261.8K | 0.01% | +9,178 | New |
| Captrust Financial Advisors | 8,787 | $250.7K | 0.00% | +843+10.6% | Added |
| CWM, LLC | 8,767 | $250.1K | 0.00% | +6,296+254.8% | Added |
| Mariner, LLC | 8,645 | $246.6K | 0.00% | +8,645 | New |
| JustInvest LLC | 8,635 | $246.4K | 0.00% | +3,277+61.2% | Added |
| Mackenzie Financial Corp | 8,420 | $240.2K | 0.00% | −5,177−38.1% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 8,121 | $236.1K | 0.00% | +1,767+27.8% | Added |
| Astra Wealth Partners LLC | 8,048 | $229.6K | 0.14% | 00.0% | Unchanged |
| Ieq Capital, LLC | 7,952 | $226.9K | 0.00% | +7,952 | New |
| Virginia Retirement Systems Et Al | 7,900 | $225.4K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 7,859 | $224.2K | 0.00% | 00.0% | Unchanged |
| AlTi Global, Inc. | 7,274 | $207.5K | 0.00% | −9−0.1% | Reduced |
| ProShare Advisors LLC | 7,013 | $200.1K | 0.00% | −1,806−20.5% | Reduced |
| Public Employees Retirement Association of Colorado | 6,170 | $176.0K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 5,616 | $160.2K | 0.00% | −6−0.1% | Reduced |
| Advisor Group Holdings, Inc. | 5,270 | $150.4K | 0.00% | −1,914−26.6% | Reduced |
| Rockefeller Capital Management L.P. | 4,911 | $140.1K | 0.00% | +928+23.3% | Added |
| The PNC Financial Services Group, Inc. | 4,748 | $135.5K | 0.00% | −347−6.8% | Reduced |
| Citigroup Inc | 4,521 | $129.0K | 0.00% | +3,133+225.7% | Added |
| Globeflex Capital L P | 4,496 | $128.3K | 0.02% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 4,277 | $123.5K | 0.00% | +3,762+730.5% | Added |
| Ensign Peak Advisors, Inc | 4,115 | $117.4K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 4,041 | $116.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 4,043 | $115.3K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 3,643 | $103.9K | 0.00% | −416−10.2% | Reduced |
| Tower Research Capital LLC (TRC) | 3,595 | $102.6K | 0.00% | −1,082−23.1% | Reduced |
| State of Wyoming | 3,537 | $100.9K | 0.01% | +1,653+87.7% | Added |
| State of Alaska, Department of Revenue | 2,871 | $81.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 2,512 | $71.7K | 0.00% | +2,512 | New |
| Royal Bank of Canada | 2,184 | $61.0K | 0.00% | −960−30.5% | Reduced |
| Farther Finance Advisors, LLC | 2,005 | $56.8K | 0.00% | −741−27.0% | Reduced |
| STRS Ohio | 1,800 | $51.4K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 1,781 | $50.8K | 0.00% | +1,781 | New |
| Assetmark, Inc | 1,495 | $42.7K | 0.00% | −76−4.8% | Reduced |
| KBC Group NV | 1,484 | $42.0K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 1,362 | $38.9K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 1,208 | $34.1K | 0.00% | +62+5.4% | Added |
| Geneos Wealth Management Inc. | 1,135 | $32.4K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 847 | $24.2K | 0.00% | −39−4.4% | Reduced |
| Larson Financial Group LLC | 661 | $18.9K | 0.00% | +137+26.1% | Added |
| First Horizon Corp | 545 | $15.5K | 0.00% | −1,715−75.9% | Reduced |
| Nisa Investment Advisors, LLC | 387 | $11.0K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 368 | $10.5K | 0.00% | +330+868.4% | Added |
| Allworth Financial LP | 323 | $9.22K | 0.00% | +295+1,053.6% | Added |
| Sterling Capital Management LLC | 314 | $8.96K | 0.00% | −2−0.6% | Reduced |
| Signaturefd, LLC | 294 | $8.39K | 0.00% | −51−14.8% | Reduced |
| Rossby Financial, LCC | 239 | $6.77K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 208 | $5.93K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 194 | $5.54K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 192 | $5.48K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 186 | $5.31K | 0.00% | +154+481.3% | Added |
| Versant Capital Management, Inc | 185 | $5.28K | 0.00% | +139+302.2% | Added |