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Boston Research & Management’s Costco COST Stock Holding History

Boston Research & 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 		$271K Hold
290
– – 0.06% 110
2026
Q1 		$289K Hold
290
– – 0.07% 97
2025
Q4 		$250K Sell
290
-100
-26% -$90.6K 0.06% 112
2025
Q3 		$361K Buy
390
+100
+34% +$95.9K 0.08% 99
2025
Q2 		$287K Hold
290
– – 0.07% 101
2025
Q1 		$274K Hold
290
– – 0.07% 101
2024
Q4 		$266K Hold
290
– – 0.06% 105
2024
Q3 		$257K Hold
290
– – 0.06% 108
2024
Q2 		$246K Hold
290
– – 0.06% 107
2024
Q1 		$212K Buy
+290
New +$207K 0.05% 114

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

Boston Research & Management's COST Position: Q2 2026 in Review

Boston Research & Management held its Costco (COST) position steady in Q2 2026 at 290 shares worth $271K. The position accounts for 0.06% of the portfolio, ranked #110.

Boston Research & Management first reported a position in COST in Q1 2024 and has held it in 10 quarters since. The position peaked at $361K in Q3 2025. 4,260 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Boston Research & Management held 290 shares of Costco worth $271K as of Q2 2026.
  • Boston Research & Management left its Costco share count unchanged in Q2 2026.
  • Costco made up 0.06% of Boston Research & Management's portfolio in Q2 2026, its #110 holding.
  • Boston Research & Management first reported a position in Costco in Q1 2024 and has held it in 10 quarters since.
  • Boston Research & Management's Costco position peaked at $361K in Q3 2025.
  • 4,260 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Boston Research & Management's 13F filing for Q2 2026, filed 11 Aug 2026.