Group One 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
$37.3M Buy
37,400
+6,900
+23% +$6.72M 0.07% 263
2025
Q4
$26.3M Buy
30,500
+12,200
+67% +$11.1M 0.05% 403
2025
Q3
$16.9M Sell
18,300
-23,800
-57% -$22.8M 0.03% 577
2025
Q2
$41.7M Buy
42,100
+36,400
+639% +$36.2M 0.09% 193
2025
Q1
$5.39M Sell
5,700
-62,500
-92% -$60.9M 0.02% 1006
2024
Q4
$62.5M Buy
68,200
+23,800
+54% +$22.1M 0.14% 99
2024
Q3
$39.4M Buy
44,400
+2,200
+5% +$1.91M 0.11% 129
2024
Q2
$35.9M Sell
42,200
-57,500
-58% -$44.9M 0.14% 108
2024
Q1
$73M Sell
99,700
-1,000
-1% -$714K 0.28% 41
2023
Q4
$66.5M Buy
100,700
+90,100
+850% +$53.4M 0.17% 69
2023
Q3
$5.99M Sell
10,600
-700
-6% -$386K 0.02% 833
2023
Q2
$6.08M Sell
11,300
-5,900
-34% -$2.99M 0.02% 821
2023
Q1
$8.55M Sell
17,200
-92,800
-84% -$45.5M 0.03% 561
2022
Q4
$50.2M Buy
110,000
+11,000
+11% +$5.38M 0.12% 141
2022
Q3
$46.8M Sell
99,000
-3,100
-3% -$1.61M 0.09% 140
2022
Q2
$48.9M Sell
102,100
-4,400
-4% -$2.23M 0.08% 203
2022
Q1
$61.3M Sell
106,500
-42,700
-29% -$22.4M 0.06% 208
2021
Q4
$84.7M Buy
149,200
+3,700
+3% +$1.9M 0.07% 184
2021
Q3
$65.4M Buy
145,500
+35,400
+32% +$15.6M 0.07% 208
2021
Q2
$43.6M Sell
110,100
-32,100
-23% -$12.1M 0.05% 292
2021
Q1
$50.1M Buy
142,200
+1,300
+0.9% +$453K 0.07% 216
2020
Q4
$53.1M Buy
140,900
+46,300
+49% +$17.3M 0.09% 176
2020
Q3
$33.6M Buy
94,600
+65,300
+223% +$21.9M 0.11% 154
2020
Q2
$8.88M Sell
29,300
-700
-2% -$213K 0.04% 503
2020
Q1
$8.55M Sell
30,000
-700
-2% -$212K 0.07% 314
2019
Q4
$9.02M Sell
30,700
-12,300
-29% -$3.66M 0.06% 394
2019
Q3
$12.4M Buy
43,000
+33,200
+339% +$9.34M 0.1% 212
2019
Q2
$2.59M Buy
+9,800
New +$2.44M 0.02% 899

Other funds holding COST

Group One Trading's COST Position: Q1 2026 in Review

Group One Trading sold out of Costco (COST) in Q1 2026, closing a stake of 16,091 shares — an estimated $15.7M sold.

Group One Trading first reported a position in COST in Q3 2013 and held it in 24 quarters. The position peaked at $34.1M in Q1 2021. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Group One Trading reported no remaining Costco position as of Q1 2026 after selling out during the quarter.
  • Group One Trading sold 16,091 Costco shares in Q1 2026, an estimated $15.7M.
  • Group One Trading first reported a position in Costco in Q3 2013 and held it in 24 quarters.
  • Group One Trading's Costco position peaked at $34.1M in Q1 2021.
  • 4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.