SICM
COST icon

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
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 $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
DAM
Diamant Asset Management Ridgefield, Connecticut $137B AUM 18.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Sustainable Insight Capital Management's COST Position: Q1 2026 in Review

Sustainable Insight Capital Management increased its Costco (COST) stake by 30% in Q1 2026, buying an estimated $936K and bringing the position to 4,154 shares worth $4.14M. The position accounts for 1.39% of the portfolio, ranked #23.

Sustainable Insight Capital Management first reported a position in COST in Q4 2020 and has held it in 21 quarters since. The position peaked at $4.18M in Q2 2025. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Sustainable Insight Capital Management held 4,154 shares of Costco worth $4.14M as of Q1 2026.
  • Sustainable Insight Capital Management bought 960 Costco shares in Q1 2026, an estimated $936K.
  • Costco made up 1.39% of Sustainable Insight Capital Management's portfolio in Q1 2026, its #23 holding.
  • Sustainable Insight Capital Management first reported a position in Costco in Q4 2020 and has held it in 21 quarters since.
  • Sustainable Insight Capital Management's Costco position peaked at $4.18M in Q2 2025.
  • 4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Sustainable Insight Capital Management's 13F filing for Q1 2026, filed 14 May 2026.