Group One Trading
COST icon

Group One Trading’s Costco COST Stock Holding History

Group One Trading’s Portfolio COST Stock Details COST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$19.4M Sell
19,500
-44,900
-70% -$43.8M 0.04% 501
2025
Q4 		$55.5M Sell
64,400
-3,300
-5% -$2.99M 0.1% 184
2025
Q3 		$62.7M Buy
67,700
+5,300
+8% +$5.08M 0.11% 170
2025
Q2 		$61.8M Sell
62,400
-23,400
-27% -$23.3M 0.14% 115
2025
Q1 		$81.1M Buy
85,800
+22,700
+36% +$22.1M 0.24% 67
2024
Q4 		$57.8M Buy
63,100
+27,100
+75% +$25.1M 0.13% 114
2024
Q3 		$31.9M Buy
36,000
+34,500
+2,300% +$29.9M 0.09% 162
2024
Q2 		$1.27M Sell
1,500
-13,300
-90% -$10.4M ﹤0.01% 1791
2024
Q1 		$10.8M Sell
14,800
-12,100
-45% -$8.64M 0.04% 409
2023
Q4 		$17.8M Sell
26,900
-400
-1% -$237K 0.05% 403
2023
Q3 		$15.4M Sell
27,300
-1,900
-7% -$1.05M 0.05% 322
2023
Q2 		$15.7M Sell
29,200
-4,000
-12% -$2.02M 0.05% 326
2023
Q1 		$16.5M Sell
33,200
-65,600
-66% -$32.2M 0.06% 264
2022
Q4 		$45.1M Buy
98,800
+37,200
+60% +$18.2M 0.1% 164
2022
Q3 		$29.1M Sell
61,600
-53,000
-46% -$27.6M 0.06% 256
2022
Q2 		$54.9M Sell
114,600
-23,400
-17% -$11.9M 0.09% 174
2022
Q1 		$79.5M Sell
138,000
-17,900
-11% -$9.39M 0.08% 153
2021
Q4 		$88.5M Buy
155,900
+47,300
+44% +$24.2M 0.07% 173
2021
Q3 		$48.8M Sell
108,600
-9,300
-8% -$4.09M 0.05% 287
2021
Q2 		$46.6M Sell
117,900
-7,200
-6% -$2.72M 0.06% 271
2021
Q1 		$44.1M Buy
125,100
+84,800
+210% +$29.5M 0.07% 261
2020
Q4 		$15.2M Buy
40,300
+13,300
+49% +$4.97M 0.03% 573
2020
Q3 		$9.59M Buy
27,000
+5,600
+26% +$1.88M 0.03% 541
2020
Q2 		$6.49M Buy
21,400
+1,800
+9% +$548K 0.03% 651
2020
Q1 		$5.59M Buy
19,600
+3,200
+20% +$971K 0.05% 483
2019
Q4 		$4.82M Buy
16,400
+1,800
+12% +$535K 0.03% 717
2019
Q3 		$4.21M Buy
14,600
+12,600
+630% +$3.55M 0.03% 688
2019
Q2 		$529K Buy
+2,000
New +$498K ﹤0.01% 2086

Other funds holding COST

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
DAM
Diamant Asset Management Ridgefield, Connecticut $137B AUM 18.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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.