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COST icon

Tranquility Partners’s Costco COST Stock Holding History

Tranquility Partners’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 		$6.09M Buy
6,508
+21
+0.3% +$20.9K 2.09% 7
2026
Q1 		$6.46M Sell
6,487
-237
-4% -$231K 2.44% 6
2025
Q4 		$5.8M Sell
6,724
-195
-3% -$177K 2.09% 8
2025
Q3 		$6.4M Sell
6,919
-182
-3% -$174K 2.16% 7
2025
Q2 		$7.03M Sell
7,101
-34
-0.5% -$33.8K 2.51% 5
2025
Q1 		$6.75M Buy
7,135
+86
+1% +$83.8K 2.61% 4
2024
Q4 		$6.47M Sell
7,049
-158
-2% -$147K 2.43% 5
2024
Q3 		$6.39M Sell
7,207
-72
-1% -$62.5K 2.32% 5
2024
Q2 		$6.19M Sell
7,279
-69
-0.9% -$53.8K 2.38% 4
2024
Q1 		$5.38M Buy
7,348
+221
+3% +$158K 2.08% 8
2023
Q4 		$4.7M Sell
7,127
-553
-7% -$328K 1.97% 8
2023
Q3 		$4.34M Buy
7,680
+567
+8% +$313K 1.86% 9
2023
Q2 		$3.83M Sell
7,113
-26
-0.4% -$13.2K 1.65% 10
2023
Q1 		$3.55M Sell
7,139
-35
-0.5% -$17.2K 1.69% 9
2022
Q4 		$3.27M Buy
7,174
+246
+4% +$120K 1.67% 10
2022
Q3 		$3.27M Sell
6,928
-91
-1% -$47.3K 1.82% 9
2022
Q2 		$3.36M Buy
7,019
+640
+10% +$325K 1.74% 10
2022
Q1 		$3.67M Buy
6,379
+145
+2% +$76.1K 1.72% 9
2021
Q4 		$3.54M Buy
6,234
+60
+1% +$30.7K 1.64% 12
2021
Q3 		$2.77M Buy
6,174
+225
+4% +$98.9K 1.41% 14
2021
Q2 		$2.35M Sell
5,949
-444
-7% -$168K 1.32% 18
2021
Q1 		$2.25M Buy
6,393
+824
+15% +$287K 1.4% 17
2020
Q4 		$2.1M Buy
5,569
+466
+9% +$174K 1.48% 15
2020
Q3 		$1.81M Sell
5,103
-320
-6% -$108K 1.54% 14
2020
Q2 		$1.64M Buy
5,423
+32
+0.6% +$9.74K 1.55% 15
2020
Q1 		$1.54M Sell
5,391
-542
-9% -$164K 1.77% 17
2019
Q4 		$1.74M Sell
5,933
-12
-0.2% -$3.57K 1.57% 17
2019
Q3 		$1.71M Buy
5,945
+177
+3% +$49.8K 1.82% 10
2019
Q2 		$1.52M Buy
+5,768
New +$1.44M 1.64% 12

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

Tranquility Partners's COST Position: Q2 2026 in Review

Tranquility Partners increased its Costco (COST) stake by 0.32% in Q2 2026, buying an estimated $20.9K and bringing the position to 6,508 shares worth $6.09M. The position accounts for 2.09% of the portfolio, ranked #7.

Tranquility Partners first reported a position in COST in Q2 2019 and has held it in 29 quarters since. The position peaked at $7.03M in Q2 2025. 4,224 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Tranquility Partners held 6,508 shares of Costco worth $6.09M as of Q2 2026.
  • Tranquility Partners bought 21 Costco shares in Q2 2026, an estimated $20.9K.
  • Costco made up 2.09% of Tranquility Partners's portfolio in Q2 2026, its #7 holding.
  • Tranquility Partners first reported a position in Costco in Q2 2019 and has held it in 29 quarters since.
  • Tranquility Partners's Costco position peaked at $7.03M in Q2 2025.
  • 4,224 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Tranquility Partners's 13F filing for Q2 2026, filed 23 Jul 2026.