Companies / AtriCure Inc / Activity
Activity — AtriCure Inc
92 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Add | Common stock | $15.81M | +554K +60.66% | 1,467,524 2.89% of shares | medium |
| Q1 2026 as of | AllianceBernstein L.P. 13F manager | Trim | Common stock | $-12.05M | -305K -8.55% | 3,258,872 6.41% of shares | medium |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $11.44M | +409K +10.05% | 4,474,548 8.80% of shares | medium |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common stock | $10.57M | +371K +97.37% | 751,003 1.48% of shares | medium |
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-8.47M | -214K -100.00% | 0 | medium |
| Q1 2026 as of | Arrowstreet Capital, Limited Partnership 13F manager | New | Common stock | $7.92M | +278K | 277,682 0.55% of shares | medium |
| Q4 2025 as of | Norges Bank 13F manager | Add | Common stock | $6.13M | +155K +263.02% | 214,016 0.42% of shares | medium |
| Q1 2026 as of | Champlain Investment Partners, LLC 13F manager | Trim | Common stock | $-5.78M | -202K -17.25% | 971,111 1.91% of shares | medium |
| Q3 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-4.90M | -175K -57.49% | 129,265 0.25% of shares | low |
| Q1 2026 as of | Osterweis Capital Management Inc 13F manager | Add | Common stock | $4.17M | +146K +71.75% | 349,645 0.69% of shares | low |
| Q1 2026 as of | First Eagle Investment Management, LLC 13F manager | Add | Common stock | $4.15M | +146K +124.81% | 262,143 0.52% of shares | low |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $4.13M | +148K +11.88% | 1,389,989 2.73% of shares | low |
| Q2 2024 as of | Barclays PLC 13F manager | Add | Common stock | $4.13M | +181K +148.06% | 304,068 0.60% of shares | low |
| Q2 2026 as of | Rice Hall James & Associates, LLC 13F manager | Add | Common stock | $3.05M | +109K +432.36% | 134,207 0.26% of shares | low |
| Q1 2026 as of | AQR Capital Management, LLC 13F manager | Add | Common stock | $2.47M | +86K +86.46% | 186,382 0.37% of shares | low |
| Q4 2023 as of | Barclays PLC 13F manager | Add | Common stock | $2.20M | +62K +312.35% | 81,295 0.16% of shares | low |
| Q1 2026 as of | Deerfield Management Company, L.P. 13F manager | Exit | Common stock | $-2.06M | -52K -100.00% | 0 | low |
| Q1 2026 as of | First Trust Advisors LP 13F manager | Add | Common stock | $2.04M | +72K +60.74% | 189,285 0.37% of shares | low |
| Q2 2026 as of | LPL Financial LLC 13F manager | Add | Common stock | $2.01M | +72K +344.15% | 92,858 0.18% of shares | low |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Trim | Common stock | $-1.95M | -49K -6.79% | 675,731 1.33% of shares | low |
| Q2 2026 as of | Granite Investment Partners, LLC 13F manager | New | Common stock | $1.65M | +59K | 58,828 0.12% of shares | low |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | New | Common stock | $1.61M | +57K | 56,589 0.11% of shares | low |
| Q4 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-1.31M | -43K -33.05% | 86,541 0.17% of shares | low |
| Q2 2025 as of | Barclays PLC 13F manager | Add | Common stock | $1.26M | +39K +62.16% | 100,585 0.20% of shares | low |
| Q1 2024 as of | Barclays PLC 13F manager | Add | Common stock | $1.26M | +41K +50.78% | 122,576 0.24% of shares | low |
| Q1 2026 as of | Adage Capital Partners Gp, L.L.C. 13F manager | Add | Common stock | $1.14M | +40K +36.10% | 150,000 0.29% of shares | low |
| Q2 2026 as of | WINTON GROUP Ltd 13F manager | New | Common stock | $1.00M | +36K | 35,800 0.07% of shares | low |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common stock | $987.8K | +35K +2.91% | 1,226,116 2.41% of shares | low |
| Q1 2026 as of | Victory Capital Management, Inc. 13F manager | Exit | Common stock | $-982.8K | -25K -100.00% | 0 | low |
| Q1 2026 as of | Bridgewater Associates, LP 13F manager | New | Common stock | $956.2K | +34K | 33,517 0.07% of shares | low |
| Q1 2026 as of | Campbell & CO Investment Adviser LLC 13F manager | Exit | Common stock | $-913.1K | -23K -100.00% | 0 | low |
| Q1 2026 as of | Prudential Financial Inc 13F manager | Trim | Common stock | $-865.6K | -30K -50.06% | 30,270 0.06% of shares | low |
| Q1 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-790.7K | -25K -28.32% | 62,030 0.12% of shares | low |
| Q1 2026 as of | Rice Hall James & Associates, LLC 13F manager | New | Common stock | $719.2K | +25K | 25,210 0.05% of shares | low |
| Q2 2026 as of | Quadrature Capital Ltd 13F manager | New | Common stock | $603.4K | +22K | 21,565 0.04% of shares | low |
| Q1 2026 as of | Principal Financial Group Inc 13F manager | Add | Common stock | $575.1K | +20K +45.66% | 64,296 0.13% of shares | low |
| Q3 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-532.5K | -15K -15.02% | 85,478 0.17% of shares | low |
| Q1 2023 as of | Barclays PLC 13F manager | Add | Common stock | $501.8K | +12K +79.53% | 27,325 0.05% of shares | low |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | New | Common stock | $493.5K | +17K | 17,299 0.03% of shares | low |
| Q1 2026 as of | Millennium Management LLC 13F manager | Add | Common stock | $459.1K | +16K +9.82% | 179,886 0.35% of shares | low |
| Q1 2026 as of | California State Teachers Retirement System 13F manager | Add | Common stock | $427.6K | +15K +33.33% | 59,947 0.12% of shares | low |
| Q2 2026 as of | Versor Investments LP 13F manager | Exit | Common stock | $-415.4K | -11K -100.00% | 0 | low |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Add | Common stock | $384.5K | +14K +29.92% | 59,668 0.12% of shares | low |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Trim | Common stock | $-376.6K | -13K -4.10% | 308,700 0.61% of shares | low |
| Q1 2026 as of | Valmark Advisers, Inc. 13F manager | New | Common stock | $373.2K | +13K | 13,080 0.03% of shares | low |
| Q1 2026 as of | WCM Investment Management, LLC 13F manager | Trim | Common stock | $-365.1K | -13K -3.47% | 359,761 0.71% of shares | low |
| Q2 2026 as of | AlphaQuest LLC 13F manager | Exit | Common stock | $-351.1K | -9K -100.00% | 0 | low |
| Q2 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-323.9K | -7K -24.01% | 20,764 0.04% of shares | low |
| Q4 2025 as of | Barclays PLC 13F manager | Add | Common stock | $282.0K | +7K +8.34% | 92,606 0.18% of shares | low |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Add | Common stock | $279.9K | +10K +68.36% | 24,164 0.05% of shares | low |