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Entropy Technologies’s AtriCure ATRC Stock Holding History

Entropy Technologies’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 		$534K Buy
19,080
+7,587
+66% +$213K 0.02% 653
2026
Q1 		$328K Buy
11,493
+2,408
+27% +$82.2K 0.02% 683
2025
Q4 		$359K Buy
+9,085
New +$333K 0.02% 655
2025
Q2 		– Sell
-6,990
Closed -$225K – 781
2025
Q1 		$225K Buy
+6,990
New +$259K 0.02% 607
2024
Q1 		– Sell
-9,933
Closed -$355K – 712
2023
Q4 		$355K Buy
+9,933
New +$369K 0.07% 410

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

Entropy Technologies's ATRC Position: Q2 2026 in Review

Entropy Technologies increased its AtriCure (ATRC) stake by 66% in Q2 2026, buying an estimated $213K and bringing the position to 19,080 shares worth $534K. The position accounts for 0.02% of the portfolio, ranked #653.

Entropy Technologies first reported a position in ATRC in Q4 2023 and has held it in 5 quarters since. 251 funds tracked by Wall St. Rank hold ATRC as of Q2 2026.

  • Entropy Technologies held 19,080 shares of AtriCure worth $534K as of Q2 2026.
  • Entropy Technologies bought 7,587 AtriCure shares in Q2 2026, an estimated $213K.
  • AtriCure made up 0.02% of Entropy Technologies's portfolio in Q2 2026, its #653 holding.
  • Entropy Technologies first reported a position in AtriCure in Q4 2023 and has held it in 5 quarters since.
  • 251 funds tracked by Wall St. Rank held AtriCure as of Q2 2026.

Based on Entropy Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.