Westside 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 | $1.26M | Buy |
1,348
+30
| +2% | +$29.9K | 0.17% | 128 |
|
|
2026
Q1 | $1.33M | Buy |
1,318
+25
| +2% | +$24.4K | 0.2% | 113 |
|
|
2025
Q4 | $1.11M | Sell |
1,293
-23
| -2% | -$20.8K | 0.18% | 116 |
|
|
2025
Q3 | $1.21M | Buy |
1,316
+94
| +8% | +$90.1K | 0.19% | 109 |
|
|
2025
Q2 | $1.21M | Buy |
1,222
+78
| +7% | +$77.5K | 0.22% | 102 |
|
|
2025
Q1 | $1.09M | Buy |
1,144
+18
| +2% | +$17.5K | 0.23% | 106 |
|
|
2024
Q4 | $1.03M | Hold |
1,126
| – | – | 0.22% | 108 |
|
|
2024
Q3 | $960K | Sell |
1,126
-6
| -0.5% | -$5.21K | 0.2% | 119 |
|
|
2024
Q2 | $963K | Buy |
1,132
+30
| +3% | +$23.4K | 0.22% | 113 |
|
|
2024
Q1 | $802K | Buy |
1,102
+360
| +49% | +$257K | 0.19% | 117 |
|
|
2023
Q4 | $490K | Hold |
742
| – | – | 0.13% | 142 |
|
|
2023
Q3 | $419K | Sell |
742
-10
| -1% | -$5.52K | 0.12% | 148 |
|
|
2023
Q2 | $405K | Buy |
752
+1
| +0.1% | +$506 | 0.11% | 152 |
|
|
2023
Q1 | $374K | Sell |
751
-225
| -23% | -$110K | 0.11% | 155 |
|
|
2022
Q4 | $79.7K | Hold |
976
| – | – | 0.2% | 100 |
|
|
2022
Q3 | $83K | Hold |
976
| – | – | 0.2% | 104 |
|
|
2022
Q2 | $101K | Hold |
976
| – | – | 0.23% | 90 |
|
|
2022
Q1 | $101K | Buy |
976
+378
| +63% | +$198K | 0.22% | 92 |
|
|
2021
Q4 | $78.7K | Hold |
598
| – | – | 0.18% | 102 |
|
|
2021
Q3 | $78.6K | Sell |
598
-200
| -25% | -$87.9K | 0.18% | 100 |
|
|
2021
Q2 | $69.5K | Hold |
798
| – | – | 0.16% | 100 |
|
|
2021
Q1 | $61.9K | Buy |
798
+75
| +10% | +$26.1K | 0.16% | 99 |
|
|
2020
Q4 | $37.9K | Buy |
723
+50
| +7% | +$18.7K | 0.1% | 108 |
|
|
2020
Q3 | $35.7K | Hold |
673
| – | – | 0.02% | 105 |
|
|
2020
Q2 | $30.5K | Sell |
673
-19,925
| -97% | -$6.06M | 0.02% | 91 |
|
|
2020
Q1 | $20.4K | Buy |
+20,598
| New | +$6.25M | 0.01% | 121 |
|
|
2019
Q2 | $417 | Buy |
+1,578
| New | +$393K | ﹤0.01% | 148 |
|
|
2018
Q4 | $321K | Hold |
1,578
| – | – | 0.12% | 119 |
|
|
2018
Q3 | $370K | Hold |
1,578
| – | – | 0.12% | 105 |
|
|
2018
Q2 | $328K | Hold |
1,578
| – | – | 0.12% | 121 |
|
|
2018
Q1 | $288K | Hold |
1,578
| – | – | 0.16% | 129 |
|
|
2017
Q4 | $297K | Sell |
1,578
-84
| -5% | -$14.5K | 0.16% | 125 |
|
|
2017
Q3 | $257K | Buy |
1,662
+548
| +49% | +$86.1K | 0.16% | 123 |
|
|
2017
Q2 | $168K | Buy |
1,114
+3
| +0.3% | +$517 | 0.11% | 147 |
|
|
2017
Q1 | $186K | Buy |
1,111
+60
| +6% | +$10.1K | 0.09% | 134 |
|
|
2016
Q4 | $170K | Buy |
+1,051
| New | +$160K | 0.12% | 101 |
|
Other funds holding COST
EA
PTC
TWC
Westside Investment Management's COST Position: Q2 2026 in Review
Westside Investment Management increased its Costco (COST) stake by 2.3% in Q2 2026, buying an estimated $29.9K and bringing the position to 1,348 shares worth $1.26M. The position accounts for 0.17% of the portfolio, ranked #128.
Westside Investment Management first reported a position in COST in Q4 2016 and has held it in 36 quarters since. The position peaked at $1.33M in Q1 2026. 1,733 funds tracked by Wall St. Rank hold COST as of Q2 2026.
- Westside Investment Management held 1,348 shares of Costco worth $1.26M as of Q2 2026.
- Westside Investment Management bought 30 Costco shares in Q2 2026, an estimated $29.9K.
- Costco made up 0.17% of Westside Investment Management's portfolio in Q2 2026, its #128 holding.
- Westside Investment Management first reported a position in Costco in Q4 2016 and has held it in 36 quarters since.
- Westside Investment Management's Costco position peaked at $1.33M in Q1 2026.
- 1,733 funds tracked by Wall St. Rank held Costco as of Q2 2026.
Based on Westside Investment Management's 13F filing for Q2 2026, filed 27 Jul 2026.