ATRC
Atricure (ATRC)
NASDAQ
$48.93-$0.05 (-0.11%)
Price as of Aug 21, 2026 7:30 PM EDT
  • $2.5B
    Market Cap
  • 30.06%
    1-Year Change
  • Medical Instruments & Supplies
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
9.64%
4.9M
+62,861 (+1.28%)
Dec 31, 2025
BLACKROCK INC.
9.07%
4.6M
+384,733 (+8.34%)
Jun 30, 2024
BLACKROCK, INC.
8.80%
4.5M
+431,867 (+9.65%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
8.48%
4.3M
+5,430 (+0.13%)
Dec 31, 2024
WELLINGTON MANAGEMENT GROUP LLP
6.87%
3.5M
+113,048 (+3.23%)
Jun 30, 2026
FRED ALGER MANAGEMENT INC
6.37%
3.2M
-113,839 (-3.51%)
Dec 31, 2021
N/A
6.15%
3.1M
+424,563 (+13.58%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions908.4M (73.94%)
  • Mutual Funds314.6M (25.61%)
  • Insiders5.5M (0.44%)
  • Other0 (0.00%)

Insider Transactions

  • 0.44% (5.5M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 5
    Number of InsiderSelling (last 12 months)
  • $16.9M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Prange Karen
Sell
Aug 05, 2026
$138,283.20
3,564
$38.80
22,809
Yuen Maggie
Sell
Aug 05, 2026
$134,470.00
3,500
$38.42
14,015
Noznesky Justin J
Chief Mktg & Strategy Officer
Sell
Jul 29, 2026
$239,861.60
6,182
$38.80
100,219
Doraiswamy Vinayak
Chief Scientific Officer
Sell
Jul 28, 2026
$233,280.00
6,000
$38.88
86,511
WEHRWEIN SVEN
Exempt
Jul 28, 2026
$0.00
25,000
$0.00
0
WEHRWEIN SVEN
Exempt
Jul 28, 2026
$498,750.00
25,000
$19.95
65,518
WEHRWEIN SVEN
Sell
Jul 28, 2026
$946,000.00
25,000
$37.84
40,518
Doraiswamy Vinayak
Chief Scientific Officer
Award
Jun 30, 2026
$15,124.08
636
$23.78
92,511
CARREL MICHAEL H
President, CEO, & Director
Award
Jun 30, 2026
$15,124.08
636
$23.78
779,134
Doraiswamy Vinayak
Chief Scientific Officer
Sell
Mar 12, 2026
$149,150.00
5,000
$29.83
96,875
WHITE ROBERT S.
Exempt
Mar 10, 2026
$149,900.00
10,000
$14.99
0
WHITE ROBERT S.
Exempt
Mar 10, 2026
$149,900.00
10,000
$14.99
122,174
Noznesky Justin J
Chief Mktg & Strategy Officer
Sell
Nov 26, 2025
$192,640.14
5,166
$37.29
78,798
CARREL MICHAEL H
President, CEO, & Director
Gift
Nov 13, 2025
$0.00
6,000
$0.00
691,377
Noznesky Justin J
Chief Mktg & Strategy Officer
Sell
Sep 12, 2025
$108,900.00
3,000
$36.30
83,964
WEHRWEIN SVEN
Exempt
Aug 22, 2025
$0.00
5,000
$0.00
35,000
WEHRWEIN SVEN
Exempt
Aug 22, 2025
$99,750.00
5,000
$19.95
39,374
WEHRWEIN SVEN
Sell
Aug 22, 2025
$185,000.00
5,000
$37.00
34,374
WEHRWEIN SVEN
Exempt
Aug 19, 2025
$0.00
5,000
$0.00
40,000
WEHRWEIN SVEN
Exempt
Aug 19, 2025
$99,750.00
5,000
$19.95
39,374
WEHRWEIN SVEN
Sell
Aug 19, 2025
$180,000.00
5,000
$36.00
34,374
GROVES REGINA E
Sell
Aug 06, 2025
$90,282.64
2,452
$36.82
33,715
Doraiswamy Vinayak
Chief Scientific Officer
Sell
Aug 05, 2025
$91,450.00
2,500
$36.58
71,872
Seith Douglas J
Chief Operating Officer
Award
Jun 30, 2025
$14,212.00
550
$25.84
184,113
Privitera Salvatore
Chief Technical Officer
Award
Jun 30, 2025
$21,240.48
822
$25.84
125,587
Doraiswamy Vinayak
Chief Scientific Officer
Sell
May 28, 2025
$83,600.00
2,500
$33.44
73,550
GROVES REGINA E
Award
May 19, 2025
$0.00
5,401
$0.00
36,167
Telman Deborah H
Award
May 19, 2025
$0.00
5,401
$0.00
22,184
Prange Karen
Award
May 19, 2025
$0.00
5,401
$0.00
23,229
Yuen Maggie
Award
May 19, 2025
$0.00
5,401
$0.00
14,371