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Alberta Investment Management Corp (AIMCo)’s Costco COST Stock Holding History

Alberta Investment Management Corp (AIMCo)’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
-2,200
Closed -$1.9M – 646
2025
Q4 		$1.9M Hold
2,200
– – 0.01% 482
2025
Q3 		$2.04M Sell
2,200
-3,100
-58% -$2.97M 0.01% 387
2025
Q2 		$5.25M Buy
5,300
+2,200
+71% +$2.19M 0.04% 238
2025
Q1 		$2.93M Buy
3,100
+400
+15% +$390K 0.02% 381
2024
Q4 		$2.47M Hold
2,700
– – 0.02% 434
2024
Q3 		$2.39M Buy
2,700
+1,400
+108% +$1.22M 0.02% 381
2024
Q2 		$1.1M Sell
1,300
-11,700
-90% -$9.13M 0.01% 504
2024
Q1 		$9.52M Hold
13,000
– – 0.1% 169
2023
Q4 		$8.58M Hold
13,000
– – 0.08% 159
2023
Q3 		$7.34M Hold
13,000
– – 0.08% 221
2023
Q2 		$7M Hold
13,000
– – 0.07% 265
2023
Q1 		$6.46M Sell
13,000
-16,367
-56% -$8.03M 0.06% 283
2022
Q4 		$13.4M Sell
29,367
-34,666
-54% -$16.9M 0.12% 194
2022
Q3 		$30.2M Sell
64,033
-300
-0.5% -$156K 0.23% 92
2022
Q2 		$30.8M Buy
64,333
+12,007
+23% +$6.09M 0.22% 96
2022
Q1 		$30.1M Buy
52,326
+8,100
+18% +$4.25M 0.17% 119
2021
Q4 		$25.1M Buy
44,226
+17,526
+66% +$8.98M 0.15% 141
2021
Q3 		$12M Buy
26,700
+12,800
+92% +$5.63M 0.1% 220
2021
Q2 		$5.5M Sell
13,900
-5,200
-27% -$1.97M 0.05% 402
2021
Q1 		$6.73M Buy
19,100
+5,200
+37% +$1.81M 0.06% 320
2020
Q4 		$5.24M Buy
13,900
+2,200
+19% +$822K 0.05% 380
2020
Q3 		$4.15M Sell
11,700
-3,600
-24% -$1.21M 0.04% 400
2020
Q2 		$4.64M Sell
15,300
-23,400
-60% -$7.12M 0.06% 369
2020
Q1 		$11M Buy
38,700
+14,400
+59% +$4.37M 0.2% 128
2019
Q4 		$7.14M Buy
24,300
+1,800
+8% +$535K 0.06% 288
2019
Q3 		$6.48M Buy
22,500
+1,400
+7% +$394K 0.06% 286
2019
Q2 		$5.58M Buy
21,100
+4,300
+26% +$1.07M 0.05% 319
2019
Q1 		$4.07M Sell
16,800
-300
-2% -$65.6K 0.04% 362
2018
Q4 		$3.48M Buy
17,100
+800
+5% +$179K 0.04% 340
2018
Q3 		$3.83M Sell
16,300
-5,900
-27% -$1.33M 0.03% 388
2018
Q2 		$4.64M Sell
22,200
-70,100
-76% -$13.8M 0.04% 354
2018
Q1 		$17.4M Buy
92,300
+74,700
+424% +$14.1M 0.16% 156
2017
Q4 		$3.28M Sell
17,600
-19,600
-53% -$3.38M 0.03% 398
2017
Q3 		$6.11M Buy
37,200
+8,500
+30% +$1.34M 0.06% 289
2017
Q2 		$4.59M Buy
+28,700
New +$4.95M 0.04% 332
2017
Q1 		– Sell
-9,500
Closed -$1.52M – 819
2016
Q4 		$1.52M Hold
9,500
– – 0.01% 501
2016
Q3 		$1.45M Sell
9,500
-1,700
-15% -$275K 0.01% 490
2016
Q2 		$1.76M Sell
11,200
-6,700
-37% -$1.01M 0.02% 446
2016
Q1 		$2.82M Buy
17,900
+11,000
+159% +$1.67M 0.04% 328
2015
Q4 		$1.11M Sell
6,900
-22,600
-77% -$3.57M 0.01% 459
2015
Q3 		$4.26M Sell
29,500
-23,000
-44% -$3.28M 0.05% 361
2015
Q2 		$7.09M Buy
+52,500
New +$7.55M 0.08% 316
2015
Q1 		– Sell
-85,900
Closed -$12.2M – 521
2014
Q4 		$12.2M Buy
+85,900
New +$11.7M 0.13% 215

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

Alberta Investment Management Corp (AIMCo)'s COST Position: Q1 2026 in Review

Alberta Investment Management Corp (AIMCo) sold out of Costco (COST) in Q1 2026, closing a stake of 2,200 shares — an estimated $1.9M sold.

Alberta Investment Management Corp (AIMCo) first reported a position in COST in Q4 2014 and held it in 43 quarters. The position peaked at $30.8M in Q2 2022. 4,238 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Alberta Investment Management Corp (AIMCo) reported no remaining Costco position as of Q1 2026 after selling out during the quarter.
  • Alberta Investment Management Corp (AIMCo) sold 2,200 Costco shares in Q1 2026, an estimated $1.9M.
  • Alberta Investment Management Corp (AIMCo) first reported a position in Costco in Q4 2014 and held it in 43 quarters.
  • Alberta Investment Management Corp (AIMCo)'s Costco position peaked at $30.8M in Q2 2022.
  • 4,238 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Alberta Investment Management Corp (AIMCo)'s 13F filing for Q1 2026, filed 29 Apr 2026.