EP
COST icon

Elkhorn Partners’s Costco COST Stock Holding History

Elkhorn Partners’s Portfolio COST Stock Details COST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-150
Closed -$129K – 51
2025
Q4 		$129K Buy
+150
New +$136K 0.08% 23

Other funds holding COST

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
DAM
Diamant Asset Management Ridgefield, Connecticut $137B AUM 18.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Elkhorn Partners's COST Position: Q1 2026 in Review

Elkhorn Partners sold out of Costco (COST) in Q1 2026, closing a stake of 150 shares — an estimated $129K sold.

Elkhorn Partners first reported a position in COST in Q4 2025 and held it in 1 quarter. The position peaked at $129K in Q4 2025. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Elkhorn Partners reported no remaining Costco position as of Q1 2026 after selling out during the quarter.
  • Elkhorn Partners sold 150 Costco shares in Q1 2026, an estimated $129K.
  • Elkhorn Partners first reported a position in Costco in Q4 2025 and held it in 1 quarter.
  • Elkhorn Partners's Costco position peaked at $129K in Q4 2025.
  • 4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Elkhorn Partners's 13F filing for Q1 2026, filed 14 May 2026.