MAI 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 | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $107M | Buy |
114,078
+7,500
| +7% | +$7.47M | 0.4% | 51 |
|
|
2026
Q1 | $106M | Buy |
106,578
+793
| +0.7% | +$773K | 0.6% | 35 |
|
|
2025
Q4 | $91.2M | Buy |
105,785
+3,038
| +3% | +$2.75M | 0.52% | 37 |
|
|
2025
Q3 | $95.1M | Buy |
102,747
+6,929
| +7% | +$6.64M | 0.59% | 33 |
|
|
2025
Q2 | $94.9M | Buy |
95,818
+922
| +1% | +$916K | 0.66% | 32 |
|
|
2025
Q1 | $89.8M | Sell |
94,896
-3,211
| -3% | -$3.13M | 0.68% | 36 |
|
|
2024
Q4 | $89.9M | Buy |
98,107
+11,737
| +14% | +$10.9M | 0.67% | 31 |
|
|
2024
Q3 | $76.6M | Sell |
86,370
-4,517
| -5% | -$3.92M | 0.73% | 31 |
|
|
2024
Q2 | $77.3M | Buy |
90,887
+411
| +0.5% | +$321K | 0.76% | 28 |
|
|
2024
Q1 | $66.3M | Buy |
90,476
+16,362
| +22% | +$11.7M | 0.69% | 38 |
|
|
2023
Q4 | $48.9M | Buy |
74,114
+2,481
| +3% | +$1.47M | 0.64% | 37 |
|
|
2023
Q3 | $40.5M | Buy |
71,633
+2,938
| +4% | +$1.62M | 0.6% | 40 |
|
|
2023
Q2 | $37M | Sell |
68,695
-1,767
| -3% | -$894K | 0.54% | 47 |
|
|
2023
Q1 | $35M | Buy |
70,462
+2,778
| +4% | +$1.36M | 0.55% | 46 |
|
|
2022
Q4 | $30.9M | Buy |
67,684
+16,595
| +32% | +$8.11M | 0.52% | 49 |
|
|
2022
Q3 | $24.1M | Buy |
51,089
+1,019
| +2% | +$530K | 0.45% | 51 |
|
|
2022
Q2 | $24M | Sell |
50,070
-536
| -1% | -$272K | 0.46% | 54 |
|
|
2022
Q1 | $29.1M | Sell |
50,606
-709
| -1% | -$372K | 0.49% | 54 |
|
|
2021
Q4 | $29.1M | Sell |
51,315
-856
| -2% | -$438K | 0.47% | 53 |
|
|
2021
Q3 | $23.4M | Buy |
52,171
+4,898
| +10% | +$2.15M | 0.45% | 60 |
|
|
2021
Q2 | $18.7M | Buy |
47,273
+6,443
| +16% | +$2.44M | 0.37% | 70 |
|
|
2021
Q1 | $14.4M | Buy |
40,830
+5,390
| +15% | +$1.88M | 0.32% | 80 |
|
|
2020
Q4 | $13.4M | Sell |
35,440
-1,352
| -4% | -$505K | 0.33% | 74 |
|
|
2020
Q3 | $13.1M | Buy |
36,792
+121
| +0.3% | +$40.7K | 0.38% | 70 |
|
|
2020
Q2 | $11.1M | Sell |
36,671
-1,751
| -5% | -$533K | 0.35% | 69 |
|
|
2020
Q1 | $11M | Buy |
38,422
+792
| +2% | +$240K | 0.45% | 55 |
|
|
2019
Q4 | $11.1M | Buy |
37,630
+573
| +2% | +$170K | 0.36% | 66 |
|
|
2019
Q3 | $10.7M | Buy |
37,057
+1,202
| +3% | +$338K | 0.48% | 56 |
|
|
2019
Q2 | $9.47M | Sell |
35,855
-75
| -0.2% | -$18.7K | 0.43% | 62 |
|
|
2019
Q1 | $8.7M | Buy |
35,930
+116
| +0.3% | +$25.4K | 0.45% | 59 |
|
|
2018
Q4 | $7.3M | Buy |
35,814
+2,192
| +7% | +$490K | 0.43% | 65 |
|
|
2018
Q3 | $7.9M | Buy |
33,622
+327
| +1% | +$73.7K | 0.4% | 73 |
|
|
2018
Q2 | $6.96M | Buy |
33,295
+1,048
| +3% | +$207K | 0.38% | 80 |
|
|
2018
Q1 | $6.08M | Buy |
32,247
+1,236
| +4% | +$233K | 0.35% | 87 |
|
|
2017
Q4 | $5.77M | Buy |
31,011
+2,334
| +8% | +$403K | 0.33% | 90 |
|
|
2017
Q3 | $4.71M | Buy |
28,677
+1,796
| +7% | +$282K | 0.29% | 96 |
|
|
2017
Q2 | $4.3M | Buy |
26,881
+282
| +1% | +$48.6K | 0.28% | 96 |
|
|
2017
Q1 | $4.46M | Sell |
26,599
-2,382
| -8% | -$399K | 0.3% | 93 |
|
|
2016
Q4 | $4.64M | Sell |
28,981
-1,216
| -4% | -$186K | 0.34% | 89 |
|
|
2016
Q3 | $4.61M | Sell |
30,197
-81
| -0.3% | -$13.1K | 0.35% | 80 |
|
|
2016
Q2 | $4.75M | Sell |
30,278
-913
| -3% | -$138K | 0.37% | 77 |
|
|
2016
Q1 | $4.92M | Buy |
31,191
+9,152
| +42% | +$1.39M | 0.38% | 78 |
|
|
2015
Q4 | $3.56M | Buy |
22,039
+742
| +3% | +$117K | 0.27% | 93 |
|
|
2015
Q3 | $3.08M | Buy |
21,297
+957
| +5% | +$137K | 0.23% | 107 |
|
|
2015
Q2 | $2.75M | Buy |
20,340
+1,884
| +10% | +$271K | 0.18% | 127 |
|
|
2015
Q1 | $2.8M | Buy |
18,456
+196
| +1% | +$28.8K | 0.19% | 122 |
|
|
2014
Q4 | $2.59M | Buy |
18,260
+374
| +2% | +$50.8K | 0.18% | 117 |
|
|
2014
Q3 | $2.24M | Buy |
17,886
+1,699
| +10% | +$205K | 0.22% | 108 |
|
|
2014
Q2 | $1.86M | Sell |
16,187
-798
| -5% | -$91.5K | 0.18% | 106 |
|
|
2014
Q1 | $1.9M | Sell |
16,985
-218
| -1% | -$24.9K | 0.19% | 105 |
|
|
2013
Q4 | $2.05M | Sell |
17,203
-129
| -0.7% | -$15.4K | 0.22% | 96 |
|
|
2013
Q3 | $2M | Sell |
17,332
-59
| -0.3% | -$6.81K | 0.26% | 78 |
|
|
2013
Q2 | $1.92M | Buy |
+17,391
| New | +$1.9M | 0.25% | 81 |
|
Other funds holding COST
MAI Capital Management's COST Position: Q2 2026 in Review
MAI Capital Management increased its Costco (COST) stake by 7% in Q2 2026, buying an estimated $7.47M and bringing the position to 114,078 shares worth $107M. The position accounts for 0.4% of the portfolio, ranked #51.
MAI Capital Management first reported a position in COST in Q2 2013 and has held it in 53 quarters since. 4,228 funds tracked by Wall St. Rank hold COST as of Q2 2026.
- MAI Capital Management held 114,078 shares of Costco worth $107M as of Q2 2026.
- MAI Capital Management bought 7,500 Costco shares in Q2 2026, an estimated $7.47M.
- Costco made up 0.4% of MAI Capital Management's portfolio in Q2 2026, its #51 holding.
- MAI Capital Management first reported a position in Costco in Q2 2013 and has held it in 53 quarters since.
- 4,228 funds tracked by Wall St. Rank held Costco as of Q2 2026.
Based on MAI Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.