Walleye Trading’s Costco COST Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $12.8M | Sell |
12,866
-49,351
| -79% | -$48.1M | 0.02% | 676 |
|
|
2025
Q4 | $53.7M | Buy |
62,217
+40,007
| +180% | +$36.3M | 0.08% | 270 |
|
|
2025
Q3 | $20.6M | Buy |
22,210
+9,267
| +72% | +$8.88M | 0.03% | 576 |
|
|
2025
Q2 | $12.8M | Buy |
12,943
+2,998
| +30% | +$2.98M | 0.02% | 702 |
|
|
2025
Q1 | $9.41M | Sell |
9,945
-24,685
| -71% | -$24.1M | 0.02% | 761 |
|
|
2024
Q4 | $31.7M | Buy |
34,630
+16,248
| +88% | +$15.1M | 0.07% | 318 |
|
|
2024
Q3 | $16.3M | Buy |
+18,382
| New | +$16M | 0.03% | 535 |
|
|
2023
Q4 | – | Sell |
-9,156
| Closed | -$5.43M | – | 5122 |
|
|
2023
Q3 | $5.17M | Sell |
9,156
-3,425
| -27% | -$1.89M | 0.01% | 1098 |
|
|
2023
Q2 | $6.77M | Buy |
+12,581
| New | +$6.37M | 0.02% | 773 |
|
|
2022
Q4 | – | Sell |
-3,542
| Closed | -$1.73M | – | 5019 |
|
|
2022
Q3 | $1.67M | Sell |
3,542
-5,759
| -62% | -$3M | 0.01% | 1834 |
|
|
2022
Q2 | $4.46M | Buy |
9,301
+5,289
| +132% | +$2.68M | 0.01% | 1108 |
|
|
2022
Q1 | $2.31M | Sell |
4,012
-43,366
| -92% | -$22.8M | 0.01% | 1556 |
|
|
2021
Q4 | $26.9M | Buy |
47,378
+45,056
| +1,940% | +$23.1M | 0.09% | 222 |
|
|
2021
Q3 | $1.04M | Sell |
2,322
-35,213
| -94% | -$15.5M | ﹤0.01% | 2159 |
|
|
2021
Q2 | $14.9M | Buy |
37,535
+22,852
| +156% | +$8.64M | 0.06% | 305 |
|
|
2021
Q1 | $5.17M | Buy |
14,683
+2,134
| +17% | +$743K | 0.02% | 642 |
|
|
2020
Q4 | $4.73M | Buy |
+12,549
| New | +$4.69M | 0.02% | 773 |
|
|
2020
Q2 | – | Sell |
-751
| Closed | -$228K | – | 4277 |
|
|
2020
Q1 | $214K | Sell |
751
-40,823
| -98% | -$12.4M | ﹤0.01% | 2556 |
|
|
2019
Q4 | $12.2M | Buy |
41,574
+36,284
| +686% | +$10.8M | 0.08% | 229 |
|
|
2019
Q3 | $1.52M | Buy |
+5,290
| New | +$1.49M | 0.01% | 1271 |
|
|
2019
Q1 | – | Sell |
-15,153
| Closed | -$3.31M | – | 4273 |
|
|
2018
Q4 | $3.09M | Sell |
15,153
-1,130
| -7% | -$252K | 0.02% | 757 |
|
|
2018
Q3 | $3.83M | Sell |
16,283
-5,693
| -26% | -$1.28M | 0.02% | 822 |
|
|
2018
Q2 | $4.59M | Buy |
21,976
+16,313
| +288% | +$3.22M | 0.02% | 659 |
|
|
2018
Q1 | $1.07M | Sell |
5,663
-10,729
| -65% | -$2.02M | 0.01% | 1859 |
|
|
2017
Q4 | $3.05K | Sell |
16,392
-8,693
| -35% | -$1.5M | 0.01% | 994 |
|
|
2017
Q3 | $4.12K | Buy |
25,085
+17,989
| +254% | +$2.83M | 0.02% | 781 |
|
|
2017
Q2 | $1.14K | Sell |
7,096
-2,123
| -23% | -$366K | 0.01% | 1652 |
|
|
2017
Q1 | $1.55K | Buy |
+9,219
| New | +$1.55M | 0.01% | 1271 |
|
|
2015
Q3 | – | Sell |
-10,609
| Closed | -$1.51M | – | 5021 |
|
|
2015
Q2 | $1.43M | Buy |
+10,609
| New | +$1.53M | 0.01% | 887 |
|
|
2015
Q1 | – | Sell |
-18,273
| Closed | -$2.68M | – | 4089 |
|
|
2014
Q4 | $2.59M | Buy |
+18,273
| New | +$2.48M | 0.02% | 573 |
|
|
2014
Q2 | – | Sell |
-32,610
| Closed | -$3.74M | – | 3748 |
|
|
2014
Q1 | $3.64K | Buy |
32,610
+14,607
| +81% | +$1.67M | 0.05% | 235 |
|
|
2013
Q4 | $2.14M | Buy |
18,003
+16,416
| +1,034% | +$1.96M | 0.02% | 642 |
|
|
2013
Q3 | $183K | Buy |
+1,587
| New | +$183K | ﹤0.01% | 1731 |
|
Other funds holding COST
VCM
VPM
DAM
Walleye Trading's COST Position: Q1 2026 in Review
Walleye Trading reduced its Costco (COST) stake by 79% in Q1 2026, selling an estimated $48.1M and leaving 12,866 shares worth $12.8M. The position accounts for 0.02% of the portfolio, ranked #676.
Walleye Trading first reported a position in COST in Q3 2013 and has held it in 33 quarters since. The position peaked at $53.7M in Q4 2025. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.
- Walleye Trading held 12,866 shares of Costco worth $12.8M as of Q1 2026.
- Walleye Trading sold 49,351 Costco shares in Q1 2026, an estimated $48.1M.
- Costco made up 0.02% of Walleye Trading's portfolio in Q1 2026, its #676 holding.
- Walleye Trading first reported a position in Costco in Q3 2013 and has held it in 33 quarters since.
- Walleye Trading's Costco position peaked at $53.7M in Q4 2025.
- 4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.
Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.