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.