Chesley Taft & Associates’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 | $61.8M | Sell |
66,032
-1,213
| -2% | -$1.21M | 2.41% | 8 |
|
|
2026
Q1 | $67M | Sell |
67,245
-1,422
| -2% | -$1.39M | 2.8% | 7 |
|
|
2025
Q4 | $59.2M | Buy |
68,667
+2,808
| +4% | +$2.54M | 2.34% | 7 |
|
|
2025
Q3 | $61M | Sell |
65,859
-2,004
| -3% | -$1.92M | 2.58% | 7 |
|
|
2025
Q2 | $67.2M | Sell |
67,863
-625
| -0.9% | -$621K | 3% | 6 |
|
|
2025
Q1 | $64.8M | Sell |
68,488
-963
| -1% | -$939K | 3.13% | 4 |
|
|
2024
Q4 | $63.6M | Sell |
69,451
-1,340
| -2% | -$1.24M | 2.95% | 5 |
|
|
2024
Q3 | $62.8M | Sell |
70,791
-2,112
| -3% | -$1.83M | 2.99% | 4 |
|
|
2024
Q2 | $62M | Sell |
72,903
-1,312
| -2% | -$1.02M | 3.11% | 4 |
|
|
2024
Q1 | $54.4M | Sell |
74,215
-1,622
| -2% | -$1.16M | 2.78% | 4 |
|
|
2023
Q4 | $50.1M | Buy |
75,837
+10,547
| +16% | +$6.25M | 2.81% | 4 |
|
|
2023
Q3 | $36.9M | Sell |
65,290
-143
| -0.2% | -$78.9K | 2.39% | 6 |
|
|
2023
Q2 | $35.2M | Sell |
65,433
-50
| -0.1% | -$25.3K | 2.16% | 7 |
|
|
2023
Q1 | $32.5M | Sell |
65,483
-205
| -0.3% | -$101K | 2.13% | 7 |
|
|
2022
Q4 | $30M | Sell |
65,688
-464
| -0.7% | -$227K | 2.06% | 7 |
|
|
2022
Q3 | $31.2M | Sell |
66,152
-364
| -0.5% | -$189K | 2.3% | 7 |
|
|
2022
Q2 | $31.9M | Sell |
66,516
-20,486
| -24% | -$10.4M | 2.17% | 7 |
|
|
2022
Q1 | $50.6M | Sell |
87,002
-1,315
| -1% | -$690K | 2.96% | 5 |
|
|
2021
Q4 | $50.1M | Buy |
88,317
+550
| +0.6% | +$282K | 2.59% | 5 |
|
|
2021
Q3 | $39.4M | Sell |
87,767
-27
| -0% | -$11.9K | 2.25% | 7 |
|
|
2021
Q2 | $34.7M | Sell |
87,794
-1,360
| -2% | -$514K | 2% | 9 |
|
|
2021
Q1 | $32.2M | Sell |
89,154
-2,267
| -2% | -$789K | 1.92% | 10 |
|
|
2020
Q4 | $34.4M | Sell |
91,421
-2,858
| -3% | -$1.07M | 2.2% | 9 |
|
|
2020
Q3 | $33.5M | Sell |
94,279
-1,115
| -1% | -$375K | 2.38% | 8 |
|
|
2020
Q2 | $28.9M | Sell |
95,394
-251
| -0.3% | -$76.4K | 2.2% | 9 |
|
|
2020
Q1 | $27.3M | Sell |
95,645
-5,475
| -5% | -$1.66M | 2.48% | 8 |
|
|
2019
Q4 | $29.7M | Sell |
101,120
-270
| -0.3% | -$80.2K | 2.14% | 10 |
|
|
2019
Q3 | $29.2M | Sell |
101,390
-576
| -0.6% | -$162K | 2.26% | 8 |
|
|
2019
Q2 | $26.9M | Sell |
101,966
-635
| -0.6% | -$158K | 2.1% | 10 |
|
|
2019
Q1 | $24.8M | Sell |
102,601
-323
| -0.3% | -$70.6K | 2.07% | 9 |
|
|
2018
Q4 | $21M | Sell |
102,924
-745
| -0.7% | -$166K | 2.02% | 7 |
|
|
2018
Q3 | $24.4M | Sell |
103,669
-60
| -0.1% | -$13.5K | 1.94% | 8 |
|
|
2018
Q2 | $21.7M | Buy |
103,729
+288
| +0.3% | +$56.9K | 1.86% | 8 |
|
|
2018
Q1 | $19.5M | Buy |
103,441
+380
| +0.4% | +$71.7K | 1.73% | 11 |
|
|
2017
Q4 | $19.2M | Buy |
103,061
+325
| +0.3% | +$56.1K | 1.62% | 11 |
|
|
2017
Q3 | $16.9M | Buy |
102,736
+13,435
| +15% | +$2.11M | 1.46% | 14 |
|
|
2017
Q2 | $14.3M | Buy |
89,301
+1,330
| +2% | +$229K | 1.29% | 20 |
|
|
2017
Q1 | $14.8M | Sell |
87,971
-305
| -0.3% | -$51.1K | 1.39% | 16 |
|
|
2016
Q4 | $14.1M | Sell |
88,276
-410
| -0.5% | -$62.6K | 1.4% | 17 |
|
|
2016
Q3 | $13.5M | Buy |
88,686
+2,214
| +3% | +$358K | 1.36% | 20 |
|
|
2016
Q2 | $13.6M | Buy |
86,472
+5,480
| +7% | +$830K | 1.39% | 19 |
|
|
2016
Q1 | $12.8M | Buy |
80,992
+43,455
| +116% | +$6.59M | 1.35% | 20 |
|
|
2015
Q4 | $6.06M | Sell |
37,537
-2,435
| -6% | -$385K | 0.64% | 49 |
|
|
2015
Q3 | $5.78M | Buy |
39,972
+1,110
| +3% | +$158K | 0.63% | 52 |
|
|
2015
Q2 | $5.25M | Buy |
38,862
+240
| +0.6% | +$34.5K | 0.54% | 62 |
|
|
2015
Q1 | $5.85M | Sell |
38,622
-683
| -2% | -$100K | 0.6% | 57 |
|
|
2014
Q4 | $5.57M | Buy |
39,305
+1,305
| +3% | +$177K | 0.56% | 59 |
|
|
2014
Q3 | $4.76M | Buy |
38,000
+1,635
| +4% | +$198K | 0.5% | 65 |
|
|
2014
Q2 | $4.19M | Buy |
36,365
+333
| +0.9% | +$38.2K | 0.43% | 74 |
|
|
2014
Q1 | $4.02M | Buy |
36,032
+1,108
| +3% | +$127K | 0.43% | 73 |
|
|
2013
Q4 | $4.16M | Buy |
34,924
+364
| +1% | +$43.5K | 0.41% | 76 |
|
|
2013
Q3 | $3.98M | Buy |
34,560
+200
| +0.6% | +$23.1K | 0.43% | 77 |
|
|
2013
Q2 | $3.8M | Buy |
+34,360
| New | +$3.76M | 0.44% | 73 |
|
Other funds holding COST
SP
CAM
CRM
SC
OIAM
CNB
DC
Chesley Taft & Associates's COST Position: Q2 2026 in Review
Chesley Taft & Associates reduced its Costco (COST) stake by 1.8% in Q2 2026, selling an estimated $1.21M and leaving 66,032 shares worth $61.8M. The position accounts for 2.41% of the portfolio, ranked #8.
Chesley Taft & Associates first reported a position in COST in Q2 2013 and has held it in 53 quarters since. The position peaked at $67.2M in Q2 2025. 770 funds tracked by Wall St. Rank hold COST as of Q2 2026.
- Chesley Taft & Associates held 66,032 shares of Costco worth $61.8M as of Q2 2026.
- Chesley Taft & Associates sold 1,213 Costco shares in Q2 2026, an estimated $1.21M.
- Costco made up 2.41% of Chesley Taft & Associates's portfolio in Q2 2026, its #8 holding.
- Chesley Taft & Associates first reported a position in Costco in Q2 2013 and has held it in 53 quarters since.
- Chesley Taft & Associates's Costco position peaked at $67.2M in Q2 2025.
- 770 funds tracked by Wall St. Rank held Costco as of Q2 2026.
Based on Chesley Taft & Associates's 13F filing for Q2 2026, filed 8 Jul 2026.