DMKJ
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David M. Knott Jr’s AtriCure ATRC Stock Holding History

David M. Knott Jr’s Portfolio ATRC Stock Details ATRC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.44M Hold
51,400
– – 0.76% 25
2026
Q1 		$1.47M Hold
51,400
– – 0.87% 27
2025
Q4 		$2.03M Buy
51,400
+3,400
+7% +$125K 0.94% 19
2025
Q3 		$1.69M Buy
48,000
+1,557
+3% +$53.6K 0.68% 24
2025
Q2 		$1.52M Buy
46,443
+21,823
+89% +$709K 0.69% 24
2025
Q1 		$794K Buy
+24,620
New +$914K 0.37% 35

Other funds holding ATRC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $13.8B AUM 163.97% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

David M. Knott Jr's ATRC Position: Q2 2026 in Review

David M. Knott Jr held its AtriCure (ATRC) position steady in Q2 2026 at 51,400 shares worth $1.44M. The position accounts for 0.76% of the portfolio, ranked #25.

David M. Knott Jr first reported a position in ATRC in Q1 2025 and has held it in 6 quarters since. The position peaked at $2.03M in Q4 2025. 252 funds tracked by Wall St. Rank hold ATRC as of Q2 2026.

  • David M. Knott Jr held 51,400 shares of AtriCure worth $1.44M as of Q2 2026.
  • David M. Knott Jr left its AtriCure share count unchanged in Q2 2026.
  • AtriCure made up 0.76% of David M. Knott Jr's portfolio in Q2 2026, its #25 holding.
  • David M. Knott Jr first reported a position in AtriCure in Q1 2025 and has held it in 6 quarters since.
  • David M. Knott Jr's AtriCure position peaked at $2.03M in Q4 2025.
  • 252 funds tracked by Wall St. Rank held AtriCure as of Q2 2026.

Based on David M. Knott Jr's 13F filing for Q2 2026, filed 12 Aug 2026.