Sompo Asset Management’s Costco COST Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$1.12M Sell
1,200
-160
-12% -$159K 0.18% 78
2026
Q1
$1.36M Hold
1,360
0.25% 68
2025
Q4
$1.17M Sell
1,360
-170
-11% -$154K 0.2% 75
2025
Q3
$1.42M Sell
1,530
-30
-2% -$28.8K 0.24% 67
2025
Q2
$1.54M Hold
1,560
0.27% 63
2025
Q1
$1.48M Buy
1,560
+50
+3% +$48.7K 0.27% 62
2024
Q4
$1.38M Buy
1,510
+20
+1% +$18.6K 0.23% 66
2024
Q3
$1.32M Sell
1,490
-70
-4% -$60.8K 0.21% 68
2024
Q2
$1.33M Buy
1,560
+40
+3% +$31.2K 0.22% 67
2024
Q1
$1.11M Hold
1,520
0.18% 78
2023
Q4
$1M Sell
1,520
-220
-13% -$130K 0.18% 88
2023
Q3
$983K Buy
1,740
+250
+17% +$138K 0.22% 81
2023
Q2
$802K Buy
1,490
+20
+1% +$10.1K 0.15% 99
2023
Q1
$730K Buy
1,470
+140
+11% +$68.7K 0.15% 101
2022
Q4
$607K Sell
1,330
-100
-7% -$48.9K 0.14% 116
2022
Q3
$675K Buy
1,430
+700
+96% +$364K 0.17% 102
2022
Q2
$349K Sell
730
-30
-4% -$15.2K 0.09% 122
2022
Q1
$437K Buy
760
+210
+38% +$110K 0.09% 124
2021
Q4
$312K Buy
550
+50
+10% +$25.6K 0.06% 133
2021
Q3
$224K Buy
+500
New +$220K 0.05% 138

Other funds holding COST

Sompo Asset Management's COST Position: Q2 2026 in Review

Sompo Asset Management reduced its Costco (COST) stake by 12% in Q2 2026, selling an estimated $159K and leaving 1,200 shares worth $1.12M. The position accounts for 0.18% of the portfolio, ranked #78.

Sompo Asset Management first reported a position in COST in Q3 2021 and has held it in 20 quarters since. The position peaked at $1.54M in Q2 2025. 2,087 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Sompo Asset Management held 1,200 shares of Costco worth $1.12M as of Q2 2026.
  • Sompo Asset Management sold 160 Costco shares in Q2 2026, an estimated $159K.
  • Costco made up 0.18% of Sompo Asset Management's portfolio in Q2 2026, its #78 holding.
  • Sompo Asset Management first reported a position in Costco in Q3 2021 and has held it in 20 quarters since.
  • Sompo Asset Management's Costco position peaked at $1.54M in Q2 2025.
  • 2,087 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Sompo Asset Management's 13F filing for Q2 2026, filed 14 Jul 2026.