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Rockline Wealth Management’s Costco COST Stock Holding History

Rockline Wealth 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 		$8.67M Sell
9,263
-164
-2% -$163K 1.66% 16
2026
Q1 		$9.39M Sell
9,427
-291
-3% -$284K 2.04% 12
2025
Q4 		$8.38M Buy
9,718
+253
+3% +$229K 1.71% 15
2025
Q3 		$8.76M Buy
9,465
+182
+2% +$174K 1.81% 13
2025
Q2 		$9.19M Buy
9,283
+185
+2% +$184K 2.17% 13
2025
Q1 		$8.6M Buy
9,098
+131
+1% +$128K 2.39% 9
2024
Q4 		$8.22M Buy
8,967
+226
+3% +$210K 2.2% 8
2024
Q3 		$7.75M Buy
8,741
+166
+2% +$144K 2.19% 7
2024
Q2 		$7.29M Buy
8,575
+373
+5% +$291K 2.25% 8
2024
Q1 		$6.01M Buy
8,202
+150
+2% +$107K 2.1% 8
2023
Q4 		$5.31M Buy
+8,052
New +$4.77M 2.21% 6

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

Rockline Wealth Management's COST Position: Q2 2026 in Review

Rockline Wealth Management reduced its Costco (COST) stake by 1.7% in Q2 2026, selling an estimated $163K and leaving 9,263 shares worth $8.67M. The position accounts for 1.66% of the portfolio, ranked #16.

Rockline Wealth Management first reported a position in COST in Q4 2023 and has held it in 11 quarters since. The position peaked at $9.39M in Q1 2026. 4,224 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Rockline Wealth Management held 9,263 shares of Costco worth $8.67M as of Q2 2026.
  • Rockline Wealth Management sold 164 Costco shares in Q2 2026, an estimated $163K.
  • Costco made up 1.66% of Rockline Wealth Management's portfolio in Q2 2026, its #16 holding.
  • Rockline Wealth Management first reported a position in Costco in Q4 2023 and has held it in 11 quarters since.
  • Rockline Wealth Management's Costco position peaked at $9.39M in Q1 2026.
  • 4,224 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Rockline Wealth Management's 13F filing for Q2 2026, filed 24 Jul 2026.