SIA
COST icon

Serenity Investment Advisors’s Costco COST Stock Holding History

Serenity Investment Advisors’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 		$211K Sell
226
-4
-2% -$3.98K 0.09% 74
2026
Q1 		$237K Buy
+230
New +$224K 0.11% 62

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 $3.37T AUM 44.26% 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

Serenity Investment Advisors's COST Position: Q2 2026 in Review

Serenity Investment Advisors reduced its Costco (COST) stake by 1.7% in Q2 2026, selling an estimated $3.98K and leaving 226 shares worth $211K. The position accounts for 0.09% of the portfolio, ranked #74.

Serenity Investment Advisors first reported a position in COST in Q1 2026 and has held it in 2 quarters since. The position peaked at $237K in Q1 2026. 4,233 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Serenity Investment Advisors held 226 shares of Costco worth $211K as of Q2 2026.
  • Serenity Investment Advisors sold 4 Costco shares in Q2 2026, an estimated $3.98K.
  • Costco made up 0.09% of Serenity Investment Advisors's portfolio in Q2 2026, its #74 holding.
  • Serenity Investment Advisors first reported a position in Costco in Q1 2026 and has held it in 2 quarters since.
  • Serenity Investment Advisors's Costco position peaked at $237K in Q1 2026.
  • 4,233 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Serenity Investment Advisors's 13F filing for Q2 2026, filed 24 Aug 2026.