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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,474,548 | $125.2M | 0.00% | +431,867+10.7% | Added |
| Wellington Management Group LLP | 3,495,603 | $97.8M | 0.02% | +113,048+3.3% | Added |
| Vanguard Portfolio Management LLC | 3,127,195 | $87.5M | 0.00% | +424,563+15.7% | Added |
| Hood River Capital Management LLC | 2,905,299 | $81.3M | 0.59% | −212,246−6.8% | Reduced |
| Alliancebernstein L.P. | 2,768,365 | $79.0M | 0.03% | −490,507−15.1% | Reduced |
| Vanguard Capital Management LLC | 2,190,413 | $61.3M | 0.00% | +34,649+1.6% | Added |
| Nomura Asset Management International Inc. | 1,734,279 | $48.5M | 0.07% | −70,648−3.9% | Reduced |
| Goldman Sachs Group Inc | 1,597,988 | $44.7M | 0.00% | −69,178−4.1% | Reduced |
| State Street Corp | 1,389,989 | $38.9M | 0.00% | +87,827+6.7% | Added |
| Marshall Wace, LLP | 1,333,904 | $37.3M | 0.03% | −133,620−9.1% | Reduced |
| Geode Capital Management, LLC | 1,319,687 | $36.9M | 0.00% | +93,571+7.6% | Added |
| Arrowstreet Capital, Limited Partnership | 1,296,209 | $36.3M | 0.02% | +1,018,527+366.8% | Added |
| Dimensional Fund Advisors LP | 1,044,034 | $29.2M | 0.01% | +46,275+4.6% | Added |
| Neuberger Berman Group LLC | 947,982 | $26.6M | 0.02% | −102,300−9.7% | Reduced |
| GW&K Investment Management, LLC | 949,516 | $26.6M | 0.21% | −13,899−1.4% | Reduced |
| Champlain Investment Partners, LLC | 938,567 | $26.3M | 0.67% | −32,544−3.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 897,419 | $25.1M | 0.03% | −163,387−15.4% | Reduced |
| Bank of America Corp | 874,370 | $24.5M | 0.00% | +105,809+13.8% | Added |
| Kennedy Capital Management, Inc. | 857,787 | $24.0M | 0.42% | +23,632+2.8% | Added |
| Divisadero Street Capital Management, LP | 800,931 | $22.4M | 0.52% | −359,024−31.0% | Reduced |
| Point72 Asset Management, L.P. | 604,380 | $16.9M | 0.03% | +604,380 | New |
| DAFNA Capital Management LLC | 597,431 | $16.7M | 3.19% | 00.0% | Unchanged |
| Grandeur Peak Global Advisors, LLC | 587,399 | $16.4M | 3.80% | +205,497+53.8% | Added |
| Massachusetts Financial Services Co | 580,621 | $16.2M | 0.01% | −4,732−0.8% | Reduced |
| First Light Asset Management, LLC | 567,838 | $15.9M | 0.97% | −161,683−22.2% | Reduced |
| Qube Research & Technologies Ltd | 560,824 | $15.7M | 0.02% | +106,033+23.3% | Added |
| AQR Capital Management LLC | 544,123 | $15.2M | 0.01% | +357,741+191.9% | Added |
| Two Sigma Investments, LP | 525,795 | $14.7M | 0.01% | −225,208−30.0% | Reduced |
| FMR LLC | 506,357 | $14.2M | 0.00% | +169,543+50.3% | Added |
| Osterweis Capital Management Inc | 501,355 | $14.0M | 0.66% | +151,710+43.4% | Added |
| Northern Trust Corp | 482,043 | $13.5M | 0.00% | +32,444+7.2% | Added |
| Morgan Stanley | 457,798 | $12.8M | 0.00% | −261,364−36.3% | Reduced |
| Charles Schwab Investment Management Inc | 423,106 | $11.8M | 0.00% | −6,727−1.6% | Reduced |
| Panagora Asset Management Inc | 389,099 | $10.9M | 0.03% | +161,722+71.1% | Added |
| Norges Bank | 374,362 | $10.5M | 0.00% | +374,362 | New |
| Nuveen, LLC | 365,825 | $10.2M | 0.00% | +29,098+8.6% | Added |
| WCM Investment Management, LLC | 351,081 | $10.1M | 0.02% | −8,680−2.4% | Reduced |
| Vanguard Fiduciary Trust Co | 359,048 | $10.0M | 0.00% | +16,194+4.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 335,541 | $9.39M | 0.02% | −9,847−2.9% | Reduced |
| HRT Financial LP | 299,736 | $8.39M | 0.02% | +232,665+346.9% | Added |
| First Eagle Investment Management, LLC | 297,643 | $8.33M | 0.01% | +35,500+13.5% | Added |
| SEI Investments Co | 281,310 | $7.87M | 0.01% | +20,522+7.9% | Added |
| Raymond James Financial Inc | 266,055 | $7.44M | 0.00% | +49,148+22.7% | Added |
| Amundi | 264,854 | $7.41M | 0.00% | +38,922+17.2% | Added |
| Renaissance Technologies LLC | 234,100 | $6.55M | 0.01% | −74,600−24.2% | Reduced |
| Wasatch Advisors Inc | 233,604 | $6.54M | 0.04% | −20,327−8.0% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 226,338 | $6.33M | 0.01% | +10,793+5.0% | Added |
| Nicholas Company, Inc. | 204,595 | $5.72M | 0.10% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 192,824 | $5.40M | 0.00% | +136,235+240.7% | Added |
| Citadel Advisors LLC | 177,339 | $4.96M | 0.00% | +89,992+103.0% | Added |
| Advisors Capital Management, LLC | 174,496 | $4.88M | 0.05% | −7,818−4.3% | Reduced |
| Meros Investment Management, LP | 170,000 | $4.76M | 1.51% | +170,000 | New |
| JPMorgan Chase & Co | 160,393 | $4.67M | 0.00% | −10,870−6.3% | Reduced |
| Acadian Asset Management LLC | 161,394 | $4.51M | 0.01% | +72,542+81.6% | Added |
| State of Wisconsin Investment Board | 151,835 | $4.25M | 0.01% | −15,519−9.3% | Reduced |
| Bank of New York Mellon Corp | 141,275 | $3.95M | 0.00% | +10,625+8.1% | Added |
| Topline Capital Management, LLC | 138,490 | $3.87M | 1.00% | +138,490 | New |
| Rice Hall James & Associates, LLC | 134,207 | $3.76M | 0.18% | +108,997+432.4% | Added |
| UBS Asset Management Americas Inc | 131,853 | $3.69M | 0.00% | −423,261−76.2% | Reduced |
| Paradigm Capital Management Inc | 123,100 | $3.44M | 0.09% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 113,330 | $3.17M | 0.06% | 00.0% | Unchanged |
| Wells Fargo & Company | 104,743 | $2.93M | 0.00% | +35,659+51.6% | Added |
| Adage Capital Partners GP, L.L.C. | 100,000 | $2.80M | 0.00% | −50,000−33.3% | Reduced |
| Swiss National Bank | 96,500 | $2.70M | 0.00% | −1,500−1.5% | Reduced |
| Ameriprise Financial Inc | 94,897 | $2.66M | 0.00% | +42,514+81.2% | Added |
| LPL Financial LLC | 92,858 | $2.60M | 0.00% | +72,073+346.8% | Added |
| ExodusPoint Capital Management, LP | 86,356 | $2.42M | 0.02% | +86,356 | New |
| Invesco Ltd. | 84,847 | $2.37M | 0.00% | +7,531+9.7% | Added |
| HighMark Wealth Management LLC | 83,720 | $2.34M | 0.78% | 00.0% | Unchanged |
| Susquehanna Portfolio Strategies, LLC | 80,089 | $2.24M | 0.04% | +80,089 | New |
| Emerald Investment Advisers, LLC | 79,102 | $2.21M | 0.15% | +7,610+10.6% | Added |
| Bridgewater Associates, LP | 76,307 | $2.14M | 0.01% | +42,790+127.7% | Added |
| Price T Rowe Associates Inc | 73,079 | $2.04M | 0.00% | +12,794+21.2% | Added |
| Riverwater Partners LLC | 71,596 | $2.00M | 0.59% | +1,090+1.5% | Added |
| Principal Financial Group Inc | 69,852 | $1.95M | 0.00% | +5,556+8.6% | Added |
| Schonfeld Strategic Advisors LLC | 68,243 | $1.91M | 0.01% | −33,439−32.9% | Reduced |
| UBS Group AG | 64,186 | $1.80M | 0.00% | −1,679−2.5% | Reduced |
| Rhumbline Advisers | 63,916 | $1.79M | 0.00% | −2,365−3.6% | Reduced |
| Assenagon Asset Management S.A. | 62,334 | $1.74M | 0.00% | +62,334 | New |
| Deutsche Bank AG | 59,668 | $1.67M | 0.00% | +9,158+18.1% | Added |
| Franklin Resources Inc | 58,890 | $1.65M | 0.00% | +3,374+6.1% | Added |
| Granite Investment Partners, LLC | 58,828 | $1.65M | 0.08% | +58,828 | New |
| California State Teachers Retirement System | 58,432 | $1.63M | 0.00% | −1,515−2.5% | Reduced |
| Envestnet Asset Management Inc | 55,141 | $1.54M | 0.00% | −2,736−4.7% | Reduced |
| Brinker Capital Investments, LLC | 55,105 | $1.54M | 0.01% | −3,192−5.5% | Reduced |
| Brevan Howard Capital Management LP | 54,447 | $1.52M | 0.02% | +44,947+473.1% | Added |
| Knott David M Jr | 51,400 | $1.44M | 0.76% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 50,582 | $1.42M | 0.01% | −46,600−48.0% | Reduced |
| Susquehanna Fundamental Investments, LLC | 50,484 | $1.41M | 0.03% | +50,484 | New |
| Diversified Trust Co | 50,222 | $1.41M | 0.02% | +10,132+25.3% | Added |
| B. Metzler seel. Sohn & Co. AG | 49,876 | $1.40M | 0.01% | 00.0% | Unchanged |
| First Trust Advisors LP | 48,407 | $1.35M | 0.00% | −140,878−74.4% | Reduced |
| Engineers Gate Manager LP | 48,160 | $1.35M | 0.02% | +5,283+12.3% | Added |
| Vanguard Asset Management, Ltd | 44,784 | $1.25M | 0.00% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 42,385 | $1.19M | 0.08% | +838+2.0% | Added |
| Scotia Capital Inc. | 41,495 | $1.16M | 0.00% | +1,116+2.8% | Added |
| Ieq Capital, LLC | 41,484 | $1.16M | 0.01% | +33,532+421.7% | Added |
| Legal & General Group Plc | 39,893 | $1.12M | 0.00% | −2,409−5.7% | Reduced |
| Caption Management, LLC | 39,168 | $1.10M | 0.04% | +39,168 | New |
| XTX Topco Ltd | 37,248 | $1.04M | 0.01% | +37,248 | New |