Mattern Capital Management’s Costco COST Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q3 | $12.8M | Sell |
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|
2025
Q2 | $14M | Buy |
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|
2025
Q1 | $13.3M | Sell |
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|
2024
Q4 | $13.9M | Sell |
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|
2024
Q3 | $14M | Sell |
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|
2024
Q2 | $13.5M | Sell |
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|
2024
Q1 | $11.8M | Sell |
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|
2023
Q4 | $11.1M | Buy |
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|
2023
Q3 | $9.46M | Buy |
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|
2023
Q2 | $8.62M | Buy |
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|
2023
Q1 | $7.77M | Buy |
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|
2022
Q4 | $6.97M | Buy |
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|
2022
Q3 | $6.84M | Sell |
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|
2022
Q2 | $7.08M | Sell |
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|
2022
Q1 | $9.04M | Buy |
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|
2021
Q4 | $8.87M | Sell |
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|
2021
Q3 | $7.29M | Buy |
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|
2021
Q2 | $6.37M | Buy |
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|
2021
Q1 | $5.49M | Buy |
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|
2020
Q4 | $5.55M | Buy |
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|
2020
Q3 | $5.19M | Buy |
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|
2020
Q2 | $4.41M | Buy |
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|
2020
Q1 | $4.14M | Sell |
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|
2019
Q4 | $4.44M | Buy |
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