O'Brien Greene & Co’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 | $3.18M | Sell |
3,404
-20
| -0.6% | -$19.9K | 0.88% | 29 |
|
|
2026
Q1 | $3.41M | Sell |
3,424
-21
| -0.6% | -$20.5K | 0.97% | 27 |
|
|
2025
Q4 | $2.97M | Sell |
3,445
-23
| -0.7% | -$20.8K | 0.88% | 29 |
|
|
2025
Q3 | $3.21M | Sell |
3,468
-51
| -1% | -$48.9K | 0.99% | 28 |
|
|
2025
Q2 | $3.48M | Sell |
3,519
-49
| -1% | -$48.7K | 1.14% | 28 |
|
|
2025
Q1 | $3.37M | Sell |
3,568
-18
| -0.5% | -$17.5K | 1.13% | 29 |
|
|
2024
Q4 | $3.29M | Sell |
3,586
-114
| -3% | -$106K | 1.07% | 30 |
|
|
2024
Q3 | $3.28M | Sell |
3,700
-33
| -0.9% | -$28.6K | 1.02% | 31 |
|
|
2024
Q2 | $3.17M | Sell |
3,733
-199
| -5% | -$155K | 1% | 31 |
|
|
2024
Q1 | $2.88M | Sell |
3,932
-5
| -0.1% | -$3.57K | 0.95% | 33 |
|
|
2023
Q4 | $2.6M | Hold |
3,937
| – | – | 0.91% | 33 |
|
|
2023
Q3 | $2.22M | Hold |
3,937
| – | – | 0.81% | 35 |
|
|
2023
Q2 | $2.12M | Hold |
3,937
| – | – | 0.74% | 36 |
|
|
2023
Q1 | $1.96M | Hold |
3,937
| – | – | 0.73% | 34 |
|
|
2022
Q4 | $1.8M | Sell |
3,937
-8,063
| -67% | -$3.94M | 0.68% | 39 |
|
|
2022
Q3 | $5.67M | Buy |
12,000
+8,104
| +208% | +$4.22M | 0.75% | 38 |
|
|
2022
Q2 | $1.87M | Sell |
3,896
-20
| -0.5% | -$10.1K | 0.71% | 37 |
|
|
2022
Q1 | $2.25M | Sell |
3,916
-67
| -2% | -$35.2K | 0.74% | 35 |
|
|
2021
Q4 | $2.26M | Sell |
3,983
-12
| -0.3% | -$6.15K | 0.74% | 35 |
|
|
2021
Q3 | $1.79M | Hold |
3,995
| – | – | 0.65% | 37 |
|
|
2021
Q2 | $1.58M | Hold |
3,995
| – | – | 0.56% | 42 |
|
|
2021
Q1 | $1.41M | Hold |
3,995
| – | – | 0.56% | 45 |
|
|
2020
Q4 | $1.5M | Hold |
3,995
| – | – | 0.62% | 41 |
|
|
2020
Q3 | $1.42M | Hold |
3,995
| – | – | 0.67% | 38 |
|
|
2020
Q2 | $1.21M | Hold |
3,995
| – | – | 0.64% | 42 |
|
|
2020
Q1 | $1.14M | Hold |
3,995
| – | – | 0.76% | 36 |
|
|
2019
Q4 | $1.17M | Hold |
3,995
| – | – | 0.6% | 44 |
|
|
2019
Q3 | $1.15M | Hold |
3,995
| – | – | 0.62% | 44 |
|
|
2019
Q2 | $1.06M | Hold |
3,995
| – | – | 0.55% | 47 |
|
|
2019
Q1 | $967K | Hold |
3,995
| – | – | 0.49% | 49 |
|
|
2018
Q4 | $814K | Buy |
+3,995
| New | +$892K | 0.49% | 51 |
|
Other funds holding COST
O'Brien Greene & Co's COST Position: Q2 2026 in Review
O'Brien Greene & Co reduced its Costco (COST) stake by 0.58% in Q2 2026, selling an estimated $19.9K and leaving 3,404 shares worth $3.18M. The position accounts for 0.88% of the portfolio, ranked #29.
O'Brien Greene & Co first reported a position in COST in Q4 2018 and has held it in 31 quarters since. The position peaked at $5.67M in Q3 2022. 4,224 funds tracked by Wall St. Rank hold COST as of Q2 2026.
- O'Brien Greene & Co held 3,404 shares of Costco worth $3.18M as of Q2 2026.
- O'Brien Greene & Co sold 20 Costco shares in Q2 2026, an estimated $19.9K.
- Costco made up 0.88% of O'Brien Greene & Co's portfolio in Q2 2026, its #29 holding.
- O'Brien Greene & Co first reported a position in Costco in Q4 2018 and has held it in 31 quarters since.
- O'Brien Greene & Co's Costco position peaked at $5.67M in Q3 2022.
- 4,224 funds tracked by Wall St. Rank held Costco as of Q2 2026.
Based on O'Brien Greene & Co's 13F filing for Q2 2026, filed 6 Aug 2026.