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Sustainable Insight Capital Management’s Costco COST Stock Holding History

Sustainable Insight Capital 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 		$1.87M Sell
1,994
-2,160
-52% -$2.15M 0.8% 27
2026
Q1 		$4.14M Buy
4,154
+960
+30% +$936K 1.39% 23
2025
Q4 		$2.75M Sell
3,194
-440
-12% -$399K 0.92% 29
2025
Q3 		$3.36M Sell
3,634
-584
-14% -$560K 1.06% 26
2025
Q2 		$4.18M Buy
4,218
+1,458
+53% +$1.45M 1.89% 15
2025
Q1 		$2.61M Buy
2,760
+100
+4% +$97.5K 1.3% 24
2024
Q4 		$2.44M Sell
2,660
-184
-6% -$171K 1.07% 26
2024
Q3 		$2.52M Buy
2,844
+745
+35% +$647K 1.14% 30
2024
Q2 		$1.78M Buy
2,099
+1,800
+602% +$1.4M 0.89% 31
2024
Q1 		$219K Buy
+299
New +$213K 0.16% 61
2023
Q4 		– Sell
-699
Closed -$395K – 60
2023
Q3 		$395K Sell
699
-763
-52% -$421K 0.39% 39
2023
Q2 		$787K Sell
1,462
-329
-18% -$166K 0.73% 28
2023
Q1 		$890K Buy
1,791
+1,242
+226% +$609K 0.89% 33
2022
Q4 		$251K Sell
549
-606
-52% -$296K 0.28% 82
2022
Q3 		$545K Buy
1,155
+190
+20% +$98.8K 0.64% 39
2022
Q2 		$509K Buy
965
+435
+82% +$221K 0.51% 45
2022
Q1 		$305K Buy
530
+116
+28% +$60.9K 0.22% 76
2021
Q4 		$235K Sell
414
-231
-36% -$118K 0.13% 105
2021
Q3 		$290K Buy
645
+36
+6% +$15.8K 0.19% 82
2021
Q2 		$241K Buy
609
+33
+6% +$12.5K 0.14% 106
2021
Q1 		$203K Sell
576
-232
-29% -$80.8K 0.14% 112
2020
Q4 		$304K Buy
+808
New +$302K 0.21% 76

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

Sustainable Insight Capital Management's COST Position: Q2 2026 in Review

Sustainable Insight Capital Management reduced its Costco (COST) stake by 52% in Q2 2026, selling an estimated $2.15M and leaving 1,994 shares worth $1.87M. The position accounts for 0.8% of the portfolio, ranked #27.

Sustainable Insight Capital Management first reported a position in COST in Q4 2020 and has held it in 22 quarters since. The position peaked at $4.18M in Q2 2025. 4,247 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Sustainable Insight Capital Management held 1,994 shares of Costco worth $1.87M as of Q2 2026.
  • Sustainable Insight Capital Management sold 2,160 Costco shares in Q2 2026, an estimated $2.15M.
  • Costco made up 0.8% of Sustainable Insight Capital Management's portfolio in Q2 2026, its #27 holding.
  • Sustainable Insight Capital Management first reported a position in Costco in Q4 2020 and has held it in 22 quarters since.
  • Sustainable Insight Capital Management's Costco position peaked at $4.18M in Q2 2025.
  • 4,247 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Sustainable Insight Capital Management's 13F filing for Q2 2026, filed 19 Aug 2026.