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Cornerstone Investment Partners’s AtriCure ATRC Stock Holding History

Cornerstone Investment Partners’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 		– Sell
-9,178
Closed -$262K – 318
2026
Q1 		$262K Buy
+9,178
New +$313K 0.01% 199

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

Cornerstone Investment Partners's ATRC Position: Q2 2026 in Review

Cornerstone Investment Partners sold out of AtriCure (ATRC) in Q2 2026, closing a stake of 9,178 shares — an estimated $262K sold.

Cornerstone Investment Partners first reported a position in ATRC in Q1 2026 and held it in 1 quarter. The position peaked at $262K in Q1 2026. 251 funds tracked by Wall St. Rank hold ATRC as of Q2 2026.

  • Cornerstone Investment Partners reported no remaining AtriCure position as of Q2 2026 after selling out during the quarter.
  • Cornerstone Investment Partners sold 9,178 AtriCure shares in Q2 2026, an estimated $262K.
  • Cornerstone Investment Partners first reported a position in AtriCure in Q1 2026 and held it in 1 quarter.
  • Cornerstone Investment Partners's AtriCure position peaked at $262K in Q1 2026.
  • 251 funds tracked by Wall St. Rank held AtriCure as of Q2 2026.

Based on Cornerstone Investment Partners's 13F filing for Q2 2026, filed 7 Aug 2026.