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COST icon

Summa Corp’s Costco COST Stock Holding History

Summa 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
2026
Q2 		$281K Sell
300
-200
-40% -$199K 0.09% 76
2026
Q1 		$498K Hold
500
– – 0.21% 54
2025
Q4 		$431K Sell
500
-44
-8% -$39.9K 0.18% 54
2025
Q3 		$504K Buy
544
+44
+9% +$42.2K 0.22% 45
2025
Q2 		$495K Buy
500
+19
+4% +$18.9K 0.26% 41
2025
Q1 		$455K Sell
481
-50
-9% -$48.7K 0.26% 42
2024
Q4 		$487K Sell
531
-392
-42% -$364K 0.24% 40
2024
Q3 		$818K Hold
923
– – 0.39% 23
2024
Q2 		$785K Hold
923
– – 0.38% 21
2024
Q1 		$676K Hold
923
– – 0.37% 23
2023
Q4 		$609K Buy
+923
New +$547K 0.43% 25

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

Summa Corp's COST Position: Q2 2026 in Review

Summa Corp reduced its Costco (COST) stake by 40% in Q2 2026, selling an estimated $199K and leaving 300 shares worth $281K. The position accounts for 0.09% of the portfolio, ranked #76.

Summa Corp first reported a position in COST in Q4 2023 and has held it in 11 quarters since. The position peaked at $818K in Q3 2024. 4,260 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Summa Corp held 300 shares of Costco worth $281K as of Q2 2026.
  • Summa Corp sold 200 Costco shares in Q2 2026, an estimated $199K.
  • Costco made up 0.09% of Summa Corp's portfolio in Q2 2026, its #76 holding.
  • Summa Corp first reported a position in Costco in Q4 2023 and has held it in 11 quarters since.
  • Summa Corp's Costco position peaked at $818K in Q3 2024.
  • 4,260 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Summa Corp's 13F filing for Q2 2026, filed 6 Aug 2026.