Ontario Teachers' Pension Plan Board’s Costco COST Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
Sell
-2,511
Closed -$2.5M 94
2026
Q1
$2.5M Sell
2,511
-3,676
-59% -$3.58M 0.07% 82
2025
Q4
$5.34M Buy
6,187
+584
+10% +$529K 0.12% 48
2025
Q3
$5.19M Buy
5,603
+1,200
+27% +$1.15M 0.12% 54
2025
Q2
$4.36M Buy
4,403
+2,499
+131% +$2.48M 0.09% 75
2025
Q1
$1.8M Sell
1,904
-341
-15% -$332K 0.03% 168
2024
Q4
$2.06M Sell
2,245
-412
-16% -$382K 0.03% 120
2024
Q3
$2.36M Sell
2,657
-2,298
-46% -$1.99M 0.02% 80
2024
Q2
$4.21M Sell
4,955
-2,232
-31% -$1.74M 0.04% 94
2024
Q1
$5.27M Sell
7,187
-543
-7% -$388K 0.05% 75
2023
Q4
$5.1M Buy
7,730
+4,911
+174% +$2.91M 0.05% 65
2023
Q3
$1.59M Buy
2,819
+936
+50% +$517K 0.02% 269
2023
Q2
$1.01M Sell
1,883
-5,458
-74% -$2.76M 0.01% 344
2023
Q1
$3.65M Buy
+7,341
New +$3.6M 0.04% 86
2022
Q4
Sell
-2,884
Closed -$1.36M 514
2022
Q3
$1.36M Sell
2,884
-859
-23% -$447K 0.02% 244
2022
Q2
$1.79M Sell
3,743
-206
-5% -$105K 0.03% 130
2022
Q1
$2.27M Sell
3,949
-1,520
-28% -$798K 0.03% 72
2021
Q4
$3.1M Sell
5,469
-249
-4% -$128K 0.04% 49
2021
Q3
$2.57M Buy
5,718
+1,381
+32% +$607K 0.01% 62
2021
Q2
$1.72M Buy
4,337
+1,036
+31% +$392K 0.02% 71
2021
Q1
$1.16M Buy
3,301
+798
+32% +$278K 0.01% 111
2020
Q4
$943K Sell
2,503
-3,390
-58% -$1.27M 0.01% 210
2020
Q3
$2.09M Sell
5,893
-2,074
-26% -$697K 0.03% 113
2020
Q2
$2.42M Sell
7,967
-3,544
-31% -$1.08M 0.05% 116
2020
Q1
$3.28M Sell
11,511
-5,691
-33% -$1.73M 0.09% 84
2019
Q4
$5.06M Sell
17,202
-18,693
-52% -$5.56M 0.09% 155
2019
Q3
$10.3M Buy
35,895
+7,236
+25% +$2.04M 0.19% 89
2019
Q2
$7.57M Buy
28,659
+24,548
+597% +$6.12M 0.14% 130
2019
Q1
$995K Sell
4,111
-3,703
-47% -$810K 0.02% 387
2018
Q4
$1.59M Buy
7,814
+2,939
+60% +$656K 0.04% 293
2018
Q3
$1.15M Buy
4,875
+2,496
+105% +$562K 0.02% 407
2018
Q2
$497K Buy
2,379
+1,121
+89% +$221K 0.01% 466
2018
Q1
$237K Sell
1,258
-40,057
-97% -$7.56M ﹤0.01% 451
2017
Q4
$7.69M Sell
41,315
-8,676
-17% -$1.5M 0.09% 226
2017
Q3
$8.21M Sell
49,991
-1,057
-2% -$166K 0.11% 191
2017
Q2
$8.16M Buy
51,048
+1,859
+4% +$320K 0.1% 185
2017
Q1
$8.25M Sell
49,189
-2,500
-5% -$419K 0.1% 144
2016
Q4
$8.28M Sell
51,689
-1,892
-4% -$289K 0.09% 134
2016
Q3
$8.17M Buy
53,581
+990
+2% +$160K 0.08% 137
2016
Q2
$8.26M Buy
52,591
+1,737
+3% +$263K 0.09% 131
2016
Q1
$8.01M Buy
50,854
+407
+0.8% +$61.7K 0.08% 145
2015
Q4
$8.15M Buy
50,447
+72
+0.1% +$11.4K 0.08% 132
2015
Q3
$7.28M Sell
50,375
-59,401
-54% -$8.48M 0.07% 175
2015
Q2
$14.8M Buy
109,776
+11,479
+12% +$1.65M 0.1% 145
2015
Q1
$14.9M Buy
98,297
+30,190
+44% +$4.43M 0.11% 135
2014
Q4
$9.65M Sell
68,107
-10,888
-14% -$1.48M 0.07% 164
2014
Q3
$9.9M Buy
78,995
+5,430
+7% +$656K 0.08% 165
2014
Q2
$8.47M Buy
73,565
+181
+0.2% +$20.8K 0.07% 167
2014
Q1
$8.2M Sell
73,384
-15,594
-18% -$1.78M 0.07% 174
2013
Q4
$10.6M Sell
88,978
-15,902
-15% -$1.9M 0.09% 163
2013
Q3
$12.1M Sell
104,880
-391
-0.4% -$45.1K 0.09% 168
2013
Q2
$11.6M Buy
+105,271
New +$11.5M 0.09% 168

Other funds holding COST

Ontario Teachers' Pension Plan Board's COST Position: Q2 2026 in Review

Ontario Teachers' Pension Plan Board sold out of Costco (COST) in Q2 2026, closing a stake of 2,511 shares — an estimated $2.5M sold.

Ontario Teachers' Pension Plan Board first reported a position in COST in Q2 2013 and held it in 51 quarters. The position peaked at $14.9M in Q1 2015. 4,231 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Ontario Teachers' Pension Plan Board reported no remaining Costco position as of Q2 2026 after selling out during the quarter.
  • Ontario Teachers' Pension Plan Board sold 2,511 Costco shares in Q2 2026, an estimated $2.5M.
  • Ontario Teachers' Pension Plan Board first reported a position in Costco in Q2 2013 and held it in 51 quarters.
  • Ontario Teachers' Pension Plan Board's Costco position peaked at $14.9M in Q1 2015.
  • 4,231 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Ontario Teachers' Pension Plan Board's 13F filing for Q2 2026, filed 7 Aug 2026.