Blume 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 | $4.25M | Sell |
4,540
-45
| -1% | -$44.8K | 0.62% | 49 |
|
|
2026
Q1 | $4.57M | Sell |
4,585
-599
| -12% | -$584K | 0.78% | 44 |
|
|
2025
Q4 | $4.47M | Sell |
5,184
-348
| -6% | -$315K | 0.81% | 40 |
|
|
2025
Q3 | $5.12M | Sell |
5,532
-163
| -3% | -$156K | 0.97% | 40 |
|
|
2025
Q2 | $5.64M | Buy |
5,695
+6
| +0.1% | +$5.96K | 1.13% | 37 |
|
|
2025
Q1 | $5.38M | Sell |
5,689
-569
| -9% | -$555K | 1.2% | 34 |
|
|
2024
Q4 | $5.73M | Sell |
6,258
-139
| -2% | -$129K | 1.28% | 31 |
|
|
2024
Q3 | $5.67M | Sell |
6,397
-307
| -5% | -$266K | 1.27% | 33 |
|
|
2024
Q2 | $5.7M | Sell |
6,704
-50
| -0.7% | -$39K | 1.37% | 32 |
|
|
2024
Q1 | $4.95M | Sell |
6,754
-110
| -2% | -$78.5K | 1.2% | 34 |
|
|
2023
Q4 | $4.53M | Sell |
6,864
-112
| -2% | -$66.4K | 1.18% | 35 |
|
|
2023
Q3 | $3.94M | Sell |
6,976
-152
| -2% | -$83.9K | 1.17% | 35 |
|
|
2023
Q2 | $3.84M | Buy |
7,128
+506
| +8% | +$256K | 1.12% | 36 |
|
|
2023
Q1 | $3.29M | Sell |
6,622
-35
| -0.5% | -$17.2K | 1.04% | 37 |
|
|
2022
Q4 | $3.04M | Sell |
6,657
-10
| -0.1% | -$4.89K | 1.03% | 38 |
|
|
2022
Q3 | $3.15M | Sell |
6,667
-13
| -0.2% | -$6.76K | 1.19% | 34 |
|
|
2022
Q2 | $3.2M | Sell |
6,680
-550
| -8% | -$279K | 1.26% | 31 |
|
|
2022
Q1 | $4.16M | Sell |
7,230
-674
| -9% | -$354K | 1.37% | 28 |
|
|
2021
Q4 | $4.49M | Sell |
7,904
-303
| -4% | -$155K | 1.48% | 26 |
|
|
2021
Q3 | $3.69M | Buy |
8,207
+5
| +0.1% | +$2.2K | 1.35% | 27 |
|
|
2021
Q2 | $3.25M | Sell |
8,202
-80
| -1% | -$30.3K | 1.19% | 29 |
|
|
2021
Q1 | $2.92M | Sell |
8,282
-80
| -1% | -$27.8K | 1.15% | 30 |
|
|
2020
Q4 | $3.15M | Sell |
8,362
-628
| -7% | -$235K | 1.35% | 27 |
|
|
2020
Q3 | $3.19M | Sell |
8,990
-60
| -0.7% | -$20.2K | 1.62% | 22 |
|
|
2020
Q2 | $2.74M | Sell |
9,050
-210
| -2% | -$63.9K | 1.52% | 23 |
|
|
2020
Q1 | $2.64M | Sell |
9,260
-150
| -2% | -$45.5K | 1.69% | 20 |
|
|
2019
Q4 | $2.77M | Sell |
9,410
-225
| -2% | -$66.9K | 1.35% | 27 |
|
|
2019
Q3 | $2.77M | Sell |
9,635
-110
| -1% | -$31K | 1.39% | 26 |
|
|
2019
Q2 | $2.58M | Sell |
9,745
-100
| -1% | -$24.9K | 1.3% | 28 |
|
|
2019
Q1 | $2.38M | Hold |
9,845
| – | – | 1.25% | 28 |
|
|
2018
Q4 | $2.01M | Sell |
9,845
-255
| -3% | -$56.9K | 1.15% | 31 |
|
|
2018
Q3 | $2.37M | Sell |
10,100
-110
| -1% | -$24.8K | 1.24% | 28 |
|
|
2018
Q2 | $2.13M | Sell |
10,210
-440
| -4% | -$86.9K | 1.16% | 29 |
|
|
2018
Q1 | $2.01M | Sell |
10,650
-335
| -3% | -$63.2K | 1.12% | 28 |
|
|
2017
Q4 | $2.04M | Sell |
10,985
-205
| -2% | -$35.4K | 1.05% | 30 |
|
|
2017
Q3 | $1.84M | Buy |
11,190
+500
| +5% | +$78.5K | 0.97% | 27 |
|
|
2017
Q2 | $1.71M | Sell |
10,690
-50
| -0.5% | -$8.62K | 0.97% | 27 |
|
|
2017
Q1 | $1.8M | Sell |
10,740
-418
| -4% | -$70.1K | 1.04% | 27 |
|
|
2016
Q4 | $1.79M | Sell |
11,158
-942
| -8% | -$144K | 1.07% | 28 |
|
|
2016
Q3 | $1.84M | Sell |
12,100
-685
| -5% | -$111K | 1.13% | 28 |
|
|
2016
Q2 | $2.01M | Hold |
12,785
| – | – | 1.32% | 26 |
|
|
2016
Q1 | $2.02M | Buy |
12,785
+235
| +2% | +$35.6K | 1.39% | 25 |
|
|
2015
Q4 | $2.03M | Sell |
12,550
-1,400
| -10% | -$221K | 1.43% | 23 |
|
|
2015
Q3 | $2.02M | Buy |
13,950
+750
| +6% | +$107K | 1.64% | 21 |
|
|
2015
Q2 | $1.78M | Sell |
13,200
-650
| -5% | -$93.5K | 1.35% | 23 |
|
|
2015
Q1 | $2.1M | Sell |
13,850
-200
| -1% | -$29.3K | 1.45% | 25 |
|
|
2014
Q4 | $1.99M | Buy |
14,050
+925
| +7% | +$126K | 1.4% | 25 |
|
|
2014
Q3 | $1.65M | Sell |
13,125
-50
| -0.4% | -$6.04K | 1.28% | 24 |
|
|
2014
Q2 | $1.52M | Hold |
13,175
| – | – | 1.19% | 24 |
|
|
2014
Q1 | $1.47M | Hold |
13,175
| – | – | 1.17% | 26 |
|
|
2013
Q4 | $1.57M | Buy |
+13,175
| New | +$1.58M | 1.3% | 23 |
|
Other funds holding COST
Blume Capital Management's COST Position: Q2 2026 in Review
Blume Capital Management reduced its Costco (COST) stake by 0.98% in Q2 2026, selling an estimated $44.8K and leaving 4,540 shares worth $4.25M. The position accounts for 0.62% of the portfolio, ranked #49.
Blume Capital Management first reported a position in COST in Q4 2013 and has held it in 51 quarters since. The position peaked at $5.73M in Q4 2024. 4,229 funds tracked by Wall St. Rank hold COST as of Q2 2026.
- Blume Capital Management held 4,540 shares of Costco worth $4.25M as of Q2 2026.
- Blume Capital Management sold 45 Costco shares in Q2 2026, an estimated $44.8K.
- Costco made up 0.62% of Blume Capital Management's portfolio in Q2 2026, its #49 holding.
- Blume Capital Management first reported a position in Costco in Q4 2013 and has held it in 51 quarters since.
- Blume Capital Management's Costco position peaked at $5.73M in Q4 2024.
- 4,229 funds tracked by Wall St. Rank held Costco as of Q2 2026.
Based on Blume Capital Management's 13F filing for Q2 2026, filed 27 Jul 2026.