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 |
|---|---|---|---|---|---|
| Fiduciary Trust Co | 13,630 | $388.9K | 0.00% | +1,824+15.4% | Added |
| Arizona State Retirement System | 13,656 | $389.6K | 0.00% | −87−0.6% | Reduced |
| Russell Investments Group, Ltd. | 15,334 | $437.5K | 0.00% | +470+3.2% | Added |
| Mirabella Financial Services LLP | 15,731 | $448.8K | 0.04% | +15,731 | New |
| Cresset Asset Management, LLC | 15,904 | $453.7K | 0.00% | +4,818+43.5% | Added |
| New York State Common Retirement Fund | 16,793 | $479.1K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 17,076 | $487.2K | 0.08% | +4,063+31.2% | Added |
| Balyasny Asset Management LLC | 17,299 | $493.5K | 0.00% | +17,299 | New |
| Colony Group, LLC | 18,134 | $517.4K | 0.00% | −43−0.2% | Reduced |
| Barclays PLC | 18,135 | $517.4K | 0.00% | −74,471−80.4% | Reduced |
| Vident Advisory, LLC | 18,140 | $517.5K | 0.00% | +18,140 | New |
| Vanguard Global Advisers, LLC | 19,435 | $554.5K | 0.00% | +19,435 | New |
| EntryPoint Capital, LLC | 19,881 | $567.2K | 0.17% | +12,780+180.0% | Added |
| Handelsbanken Fonder AB | 20,300 | $579.0K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 20,785 | $593.0K | 0.00% | −122−0.6% | Reduced |
| Truist Financial Corp | 21,305 | $607.8K | 0.00% | +111+0.5% | Added |
| Teacher Retirement System of Texas | 21,949 | $626.2K | 0.00% | +21,949 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 22,493 | $641.7K | 0.00% | +3,603+19.1% | Added |
| Manufacturers Life Insurance Company, The | 22,524 | $642.6K | 0.00% | −148−0.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 22,695 | $647.5K | 0.00% | +214+1.0% | Added |
| Janus Henderson Group PLC | 22,883 | $652.9K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 24,164 | $689.4K | 0.00% | +9,811+68.4% | Added |
| Rice Hall James & Associates, LLC | 25,210 | $719.2K | 0.04% | +25,210 | New |
| Perkins Capital Management Inc | 26,100 | $744.6K | 0.70% | −1,350−4.9% | Reduced |
| MetLife Investment Management | 26,717 | $762.2K | 0.00% | −237−0.9% | Reduced |
| US Bancorp | 28,105 | $801.8K | 0.00% | +9,521+51.2% | Added |
| Marks Group Wealth Management, Inc | 28,973 | $826.6K | 0.08% | 00.0% | Unchanged |
| Prudential Financial Inc | 30,270 | $863.6K | 0.00% | −30,340−50.1% | Reduced |
| Bridgewater Associates, LP | 33,517 | $956.2K | 0.00% | +33,517 | New |
| Teachers Retirement System of the State of Kentucky | 36,102 | $1.03M | 0.01% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 36,242 | $1.03M | 0.06% | +1,440+4.1% | Added |
| Susquehanna International Group, LLP | 38,777 | $1.11M | 0.00% | +38,777 | New |
| Diversified Trust Co | 40,090 | $1.14M | 0.02% | +2,654+7.1% | Added |
| Scotia Capital Inc. | 40,379 | $1.15M | 0.00% | +1,430+3.7% | Added |
| Algert Global LLC | 40,799 | $1.16M | 0.02% | −220,678−84.4% | Reduced |
| Harbor Capital Advisors, Inc. | 41,547 | $1.19M | 0.10% | +7,983+23.8% | Added |
| Legal & General Group Plc | 42,302 | $1.21M | 0.00% | −9,741−18.7% | Reduced |
| Engineers Gate Manager LP | 42,877 | $1.22M | 0.02% | −15,602−26.7% | Reduced |
| Vanguard Asset Management, Ltd | 44,784 | $1.28M | 0.00% | +44,784 | New |
| Oak Harvest Investment Services | 45,000 | $1.28M | 0.13% | +7,500+20.0% | Added |
| B. Metzler seel. Sohn & Co. AG | 49,876 | $1.42M | 0.01% | 00.0% | Unchanged |
| Deutsche Bank AG | 50,510 | $1.44M | 0.00% | +4,584+10.0% | Added |
| Knott David M Jr | 51,400 | $1.47M | 0.87% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 52,383 | $1.49M | 0.00% | +25,546+95.2% | Added |
| Lazard Asset Management LLC | 54,015 | $1.54M | 0.00% | +4,296+8.6% | Added |
| Franklin Resources Inc | 55,516 | $1.58M | 0.00% | +3,233+6.2% | Added |
| D. E. Shaw & Co., Inc. | 56,589 | $1.61M | 0.00% | +56,589 | New |
| Envestnet Asset Management Inc | 57,877 | $1.65M | 0.00% | −424−0.7% | Reduced |
| Brinker Capital Investments, LLC | 58,297 | $1.66M | 0.01% | −1,841−3.1% | Reduced |
| California State Teachers Retirement System | 59,947 | $1.71M | 0.00% | +14,987+33.3% | Added |
| Price T Rowe Associates Inc | 60,285 | $1.72M | 0.00% | +9,708+19.2% | Added |
| Principal Financial Group Inc | 64,296 | $1.83M | 0.00% | +20,156+45.7% | Added |
| UBS Group AG | 65,865 | $1.88M | 0.00% | −38,195−36.7% | Reduced |
| Rhumbline Advisers | 66,281 | $1.89M | 0.00% | −1,064−1.6% | Reduced |
| HRT Financial LP | 67,071 | $1.91M | 0.00% | +67,071 | New |
| Wells Fargo & Company | 69,084 | $1.97M | 0.00% | −32,402−31.9% | Reduced |
| Riverwater Partners LLC | 70,506 | $2.01M | 0.67% | +10,184+16.9% | Added |
| Emerald Investment Advisers, LLC | 71,492 | $2.04M | 0.18% | +71,492 | New |
| Invesco Ltd. | 77,316 | $2.21M | 0.00% | +2,881+3.9% | Added |
| HighMark Wealth Management LLC | 83,720 | $2.39M | 0.97% | 00.0% | Unchanged |
| Man Group plc | 85,116 | $2.43M | 0.01% | +67,715+389.1% | Added |
| Citadel Advisors LLC | 87,347 | $2.49M | 0.00% | −155,394−64.0% | Reduced |
| Acadian Asset Management LLC | 88,852 | $2.53M | 0.00% | +5,969+7.2% | Added |
| Voloridge Investment Management, LLC | 97,182 | $2.77M | 0.01% | −123,108−55.9% | Reduced |
| Swiss National Bank | 98,000 | $2.80M | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 101,682 | $2.90M | 0.02% | +101,682 | New |
| Sit Investment Associates Inc | 113,330 | $3.23M | 0.07% | +5,425+5.0% | Added |
| Allianz Asset Management GmbH | 122,158 | $3.49M | 0.00% | +4,342+3.7% | Added |
| Paradigm Capital Management Inc | 123,100 | $3.51M | 0.13% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 130,650 | $3.73M | 0.00% | −4,922−3.6% | Reduced |
| Trexquant Investment LP | 143,094 | $4.08M | 0.03% | +65,427+84.2% | Added |
| Adage Capital Partners GP, L.L.C. | 150,000 | $4.28M | 0.01% | +39,790+36.1% | Added |
| State of Wisconsin Investment Board | 167,354 | $4.77M | 0.01% | +3,155+1.9% | Added |
| JPMorgan Chase & Co | 171,263 | $4.84M | 0.00% | −8,337−4.6% | Reduced |
| Millennium Management LLC | 179,886 | $5.13M | 0.00% | +16,091+9.8% | Added |
| Advisors Capital Management, LLC | 182,314 | $5.20M | 0.06% | −539−0.3% | Reduced |
| AQR Capital Management LLC | 186,382 | $5.32M | 0.00% | +86,426+86.5% | Added |
| First Trust Advisors LP | 189,285 | $5.40M | 0.00% | +71,527+60.7% | Added |
| Nicholas Company, Inc. | 204,595 | $5.84M | 0.11% | −910−0.4% | Reduced |
| Raymond James Financial Inc | 216,907 | $6.13M | 0.00% | −555−0.3% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 215,545 | $6.15M | 0.01% | +22,271+11.5% | Added |
| Amundi | 225,932 | $6.45M | 0.00% | −4,920−2.1% | Reduced |
| Panagora Asset Management Inc | 227,377 | $6.49M | 0.02% | +802+0.4% | Added |
| Wasatch Advisors Inc | 253,931 | $7.24M | 0.05% | −99,946−28.2% | Reduced |
| SEI Investments Co | 260,788 | $7.44M | 0.01% | +102,485+64.7% | Added |
| First Eagle Investment Management, LLC | 262,143 | $7.48M | 0.01% | +145,534+124.8% | Added |
| Arrowstreet Capital, Limited Partnership | 277,682 | $7.92M | 0.00% | +277,682 | New |
| Renaissance Technologies LLC | 308,700 | $8.81M | 0.01% | −13,200−4.1% | Reduced |
| Nuveen, LLC | 336,727 | $9.61M | 0.00% | +468+0.1% | Added |
| FMR LLC | 336,814 | $9.61M | 0.00% | +51,055+17.9% | Added |
| Vanguard Fiduciary Trust Co | 342,854 | $9.78M | 0.00% | +342,854 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 345,388 | $9.85M | 0.02% | −33,108−8.7% | Reduced |
| Osterweis Capital Management Inc | 349,645 | $9.98M | 0.51% | +146,070+71.8% | Added |
| WCM Investment Management, LLC | 359,761 | $10.2M | 0.02% | −12,921−3.5% | Reduced |
| Grandeur Peak Global Advisors, LLC | 381,902 | $10.9M | 2.55% | +53,411+16.3% | Added |
| Charles Schwab Investment Management Inc | 429,833 | $12.3M | 0.00% | −8,050−1.8% | Reduced |
| Northern Trust Corp | 449,599 | $12.8M | 0.00% | +11,389+2.6% | Added |
| Qube Research & Technologies Ltd | 454,791 | $13.0M | 0.02% | +164,251+56.5% | Added |
| UBS Asset Management Americas Inc | 555,114 | $15.8M | 0.00% | −14,609−2.6% | Reduced |
| Massachusetts Financial Services Co | 585,353 | $16.7M | 0.01% | +74,140+14.5% | Added |