Thompson Investment 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 | $606K | Hold |
648
| – | – | 0.07% | 134 |
|
|
2026
Q1 | $646K | Hold |
648
| – | – | 0.08% | 118 |
|
|
2025
Q4 | $559K | Hold |
648
| – | – | 0.07% | 124 |
|
|
2025
Q3 | $600K | Hold |
648
| – | – | 0.08% | 119 |
|
|
2025
Q2 | $641K | Hold |
648
| – | – | 0.09% | 112 |
|
|
2025
Q1 | $613K | Hold |
648
| – | – | 0.09% | 117 |
|
|
2024
Q4 | $594K | Sell |
648
-5
| -0.8% | -$4.64K | 0.09% | 124 |
|
|
2024
Q3 | $579K | Hold |
653
| – | – | 0.08% | 122 |
|
|
2024
Q2 | $555K | Sell |
653
-77
| -11% | -$60.1K | 0.09% | 121 |
|
|
2024
Q1 | $535K | Hold |
730
| – | – | 0.08% | 125 |
|
|
2023
Q4 | $482K | Sell |
730
-15
| -2% | -$8.89K | 0.08% | 135 |
|
|
2023
Q3 | $421K | Sell |
745
-10
| -1% | -$5.52K | 0.07% | 137 |
|
|
2023
Q2 | $406K | Hold |
755
| – | – | 0.07% | 147 |
|
|
2023
Q1 | $375K | Hold |
755
| – | – | 0.06% | 151 |
|
|
2022
Q4 | $345K | Hold |
755
| – | – | 0.06% | 152 |
|
|
2022
Q3 | $356K | Sell |
755
-3
| -0.4% | -$1.56K | 0.07% | 152 |
|
|
2022
Q2 | $363K | Buy |
758
+3
| +0.4% | +$1.52K | 0.06% | 155 |
|
|
2022
Q1 | $435K | Buy |
755
+8
| +1% | +$4.2K | 0.06% | 156 |
|
|
2021
Q4 | $424K | Hold |
747
| – | – | 0.06% | 160 |
|
|
2021
Q3 | $336K | Hold |
747
| – | – | 0.05% | 163 |
|
|
2021
Q2 | $296K | Buy |
747
+2
| +0.3% | +$756 | 0.04% | 178 |
|
|
2021
Q1 | $263K | Hold |
745
| – | – | 0.04% | 177 |
|
|
2020
Q4 | $281K | Sell |
745
-15
| -2% | -$5.61K | 0.05% | 161 |
|
|
2020
Q3 | $270K | Sell |
760
-423
| -36% | -$142K | 0.05% | 158 |
|
|
2020
Q2 | $359K | Buy |
1,183
+85
| +8% | +$25.9K | 0.07% | 145 |
|
|
2020
Q1 | $313K | Sell |
1,098
-50
| -4% | -$15.2K | 0.07% | 140 |
|
|
2019
Q4 | $337K | Buy |
1,148
+30
| +3% | +$8.92K | 0.05% | 153 |
|
|
2019
Q3 | $322K | Buy |
1,118
+58
| +5% | +$16.3K | 0.06% | 154 |
|
|
2019
Q2 | $280K | Hold |
1,060
| – | – | 0.05% | 163 |
|
|
2019
Q1 | $257K | Hold |
1,060
| – | – | 0.05% | 167 |
|
|
2018
Q4 | $216K | Hold |
1,060
| – | – | 0.05% | 155 |
|
|
2018
Q3 | $249K | Hold |
1,060
| – | – | 0.04% | 163 |
|
|
2018
Q2 | $222K | Sell |
1,060
-205
| -16% | -$40.5K | 0.04% | 168 |
|
|
2018
Q1 | $238K | Hold |
1,265
| – | – | 0.04% | 169 |
|
|
2017
Q4 | $235K | Hold |
1,265
| – | – | 0.04% | 167 |
|
|
2017
Q3 | $208K | Hold |
1,265
| – | – | 0.04% | 173 |
|
|
2017
Q2 | $202K | Hold |
1,265
| – | – | 0.04% | 171 |
|
|
2017
Q1 | $212K | Hold |
1,265
| – | – | 0.04% | 169 |
|
|
2016
Q4 | $203K | Buy |
+1,265
| New | +$193K | 0.04% | 171 |
|
|
2016
Q1 | – | Sell |
-1,265
| Closed | -$204K | – | 171 |
|
|
2015
Q4 | $204K | Buy |
+1,265
| New | +$200K | 0.04% | 163 |
|
Other funds holding COST
EA
PTC
Thompson Investment Management's COST Position: Q2 2026 in Review
Thompson Investment Management held its Costco (COST) position steady in Q2 2026 at 648 shares worth $606K. The position accounts for 0.07% of the portfolio, ranked #134.
Thompson Investment Management first reported a position in COST in Q4 2015 and has held it in 40 quarters since. The position peaked at $646K in Q1 2026. 1,962 funds tracked by Wall St. Rank hold COST as of Q2 2026.
- Thompson Investment Management held 648 shares of Costco worth $606K as of Q2 2026.
- Thompson Investment Management left its Costco share count unchanged in Q2 2026.
- Costco made up 0.07% of Thompson Investment Management's portfolio in Q2 2026, its #134 holding.
- Thompson Investment Management first reported a position in Costco in Q4 2015 and has held it in 40 quarters since.
- Thompson Investment Management's Costco position peaked at $646K in Q1 2026.
- 1,962 funds tracked by Wall St. Rank held Costco as of Q2 2026.
Based on Thompson Investment Management's 13F filing for Q2 2026, filed 13 Jul 2026.