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Diligent Investors’s Costco COST Stock Holding History

Diligent Investors’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 		$1.28M Buy
1,372
+20
+1% +$19.9K 0.29% 95
2026
Q1 		$1.35M Buy
1,352
+13
+1% +$12.7K 0.33% 86
2025
Q4 		$1.15M Sell
1,339
-65
-5% -$58.9K 0.28% 103
2025
Q3 		$1.3M Buy
1,404
+135
+11% +$129K 0.33% 86
2025
Q2 		$1.26M Buy
1,269
+248
+24% +$246K 0.3% 97
2025
Q1 		$966K Buy
1,021
+131
+15% +$128K 0.24% 121
2024
Q4 		$816K Buy
890
+3
+0.3% +$2.78K 0.19% 147
2024
Q3 		$786K Buy
887
+22
+3% +$19.1K 0.18% 150
2024
Q2 		$735K Buy
865
+28
+3% +$21.8K 0.18% 144
2024
Q1 		$613K Buy
837
+268
+47% +$191K 0.15% 164
2023
Q4 		$375K Buy
569
+2
+0.4% +$1.19K 0.1% 212
2023
Q3 		$320K Buy
567
+7
+1% +$3.86K 0.1% 217
2023
Q2 		$301K Buy
560
+6
+1% +$3.04K 0.09% 213
2023
Q1 		$275K Buy
554
+31
+6% +$15.2K 0.09% 222
2022
Q4 		$239K Buy
523
+55
+12% +$26.9K 0.08% 235
2022
Q3 		$221K Buy
468
+5
+1% +$2.6K 0.08% 224
2022
Q2 		$222K Buy
463
+95
+26% +$48.2K 0.08% 224
2022
Q1 		$212K Sell
368
-256
-41% -$134K 0.06% 246
2021
Q4 		$354K Buy
+624
New +$320K 0.1% 183
2018
Q3 		– Sell
-1,147
Closed -$240K – 205
2018
Q2 		$240K Buy
1,147
+9
+0.8% +$1.78K 0.15% 154
2018
Q1 		$214K Sell
1,138
-20
-2% -$3.77K 0.13% 171
2017
Q4 		$216K Buy
+1,158
New +$200K 0.14% 170

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

Diligent Investors's COST Position: Q2 2026 in Review

Diligent Investors increased its Costco (COST) stake by 1.5% in Q2 2026, buying an estimated $19.9K and bringing the position to 1,372 shares worth $1.28M. The position accounts for 0.29% of the portfolio, ranked #95.

Diligent Investors first reported a position in COST in Q4 2017 and has held it in 22 quarters since. The position peaked at $1.35M in Q1 2026. 4,233 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Diligent Investors held 1,372 shares of Costco worth $1.28M as of Q2 2026.
  • Diligent Investors bought 20 Costco shares in Q2 2026, an estimated $19.9K.
  • Costco made up 0.29% of Diligent Investors's portfolio in Q2 2026, its #95 holding.
  • Diligent Investors first reported a position in Costco in Q4 2017 and has held it in 22 quarters since.
  • Diligent Investors's Costco position peaked at $1.35M in Q1 2026.
  • 4,233 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Diligent Investors's 13F filing for Q2 2026, filed 24 Jul 2026.