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Harbor Advisory Corp’s Costco COST Stock Holding History

Harbor Advisory Corp’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
2025
Q4 		– Sell
-227
Closed -$210K – 79
2025
Q3 		$210K Hold
227
– – 0.06% 79
2025
Q2 		$225K Hold
227
– – 0.07% 80
2025
Q1 		$215K Sell
227
-46
-17% -$44.8K 0.07% 80
2024
Q4 		$250K Hold
273
– – 0.08% 81
2024
Q3 		$242K Buy
+273
New +$237K 0.08% 82

Other funds holding COST

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
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
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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $935B AUM
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Harbor Advisory Corp's COST Position: Q4 2025 in Review

Harbor Advisory Corp sold out of Costco (COST) in Q4 2025, closing a stake of 227 shares — an estimated $210K sold.

Harbor Advisory Corp first reported a position in COST in Q3 2024 and held it in 5 quarters. The position peaked at $250K in Q4 2024. 4,113 funds tracked by Wall St. Rank hold COST as of Q4 2025.

  • Harbor Advisory Corp reported no remaining Costco position as of Q4 2025 after selling out during the quarter.
  • Harbor Advisory Corp sold 227 Costco shares in Q4 2025, an estimated $210K.
  • Harbor Advisory Corp first reported a position in Costco in Q3 2024 and held it in 5 quarters.
  • Harbor Advisory Corp's Costco position peaked at $250K in Q4 2024.
  • 4,113 funds tracked by Wall St. Rank held Costco as of Q4 2025.

Based on Harbor Advisory Corp's 13F filing for Q4 2025, filed 6 Feb 2026.