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Breakwater Investment Management’s Costco COST Stock Holding History

Breakwater Investment Management’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
Q2 		$63.6K Hold
68
– – 0.02% 150
2026
Q1 		$67.8K Sell
68
-15
-18% -$14.6K 0.03% 144
2025
Q4 		$71.6K Sell
83
-1
-1% -$906 0.03% 137
2025
Q3 		$77.8K Buy
84
+3
+4% +$2.88K 0.03% 127
2025
Q2 		$80.2K Hold
81
– – 0.03% 127
2025
Q1 		$76.6K Hold
81
– – 0.03% 128
2024
Q4 		$74.2K Hold
81
– – 0.03% 128
2024
Q3 		$71.8K Hold
81
– – 0.03% 130
2024
Q2 		$68.8K Hold
81
– – 0.03% 127
2024
Q1 		$59.3K Buy
+81
New +$57.8K 0.03% 133

Other funds holding COST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Breakwater Investment Management's COST Position: Q2 2026 in Review

Breakwater Investment Management held its Costco (COST) position steady in Q2 2026 at 68 shares worth $63.6K. The position accounts for 0.02% of the portfolio, ranked #150.

Breakwater Investment Management first reported a position in COST in Q1 2024 and has held it in 10 quarters since. The position peaked at $80.2K in Q2 2025. 4,260 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Breakwater Investment Management held 68 shares of Costco worth $63.6K as of Q2 2026.
  • Breakwater Investment Management left its Costco share count unchanged in Q2 2026.
  • Costco made up 0.02% of Breakwater Investment Management's portfolio in Q2 2026, its #150 holding.
  • Breakwater Investment Management first reported a position in Costco in Q1 2024 and has held it in 10 quarters since.
  • Breakwater Investment Management's Costco position peaked at $80.2K in Q2 2025.
  • 4,260 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Breakwater Investment Management's 13F filing for Q2 2026, filed 6 Aug 2026.