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 		– Sell
-16,091
Closed -$15.7M – 7802
2025
Q4 		$13.9M Buy
16,091
+10,568
+191% +$9.58M 0.02% 746
2025
Q3 		$5.11M Sell
5,523
-1,577
-22% -$1.51M 0.01% 1458
2025
Q2 		$7.03M Sell
7,100
-7,488
-51% -$7.44M 0.02% 1062
2025
Q1 		$13.8M Sell
14,588
-14,160
-49% -$13.8M 0.04% 467
2024
Q4 		$26.3M Buy
28,748
+17,204
+149% +$16M 0.06% 284
2024
Q3 		$10.2M Buy
11,544
+3,102
+37% +$2.69M 0.03% 608
2024
Q2 		$7.18M Buy
8,442
+1,313
+18% +$1.02M 0.03% 606
2024
Q1 		$5.22M Sell
7,129
-20,605
-74% -$14.7M 0.02% 802
2023
Q4 		$18.3M Buy
27,734
+3,679
+15% +$2.18M 0.05% 388
2023
Q3 		$13.6M Buy
24,055
+1,828
+8% +$1.01M 0.05% 367
2023
Q2 		$12M Sell
22,227
-2,036
-8% -$1.03M 0.04% 429
2023
Q1 		$12.1M Sell
24,263
-15,679
-39% -$7.69M 0.04% 387
2022
Q4 		$18.2M Buy
39,942
+37,833
+1,794% +$18.5M 0.04% 444
2022
Q3 		$996K Sell
2,109
-5,311
-72% -$2.76M ﹤0.01% 2592
2022
Q2 		$3.56M Sell
7,420
-10,600
-59% -$5.38M 0.01% 1558
2022
Q1 		$10.4M Buy
18,020
+513
+3% +$269K 0.01% 969
2021
Q4 		$9.94M Sell
17,507
-20,409
-54% -$10.5M 0.01% 1113
2021
Q3 		$17M Sell
37,916
-43,904
-54% -$19.3M 0.02% 711
2021
Q2 		$32.4M Sell
81,820
-14,956
-15% -$5.66M 0.04% 387
2021
Q1 		$34.1M Buy
96,776
+86,041
+801% +$30M 0.05% 333
2020
Q4 		$4.04M Buy
10,735
+10,073
+1,522% +$3.76M 0.01% 1448
2020
Q3 		$235K Buy
+662
New +$222K ﹤0.01% 3526
2014
Q1 		– Sell
-100
Closed -$12K – 5222
2013
Q4 		$12K Sell
100
-800
-89% -$95.6K ﹤0.01% 4503
2013
Q3 		$104K Buy
+900
New +$104K ﹤0.01% 2983

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 $147M AUM 25.76% 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. 4,240 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.
  • 4,240 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.