Brown Brothers Harriman & 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 | $214M | Sell |
228,630
-5,398
| -2% | -$5.38M | 0.94% | 31 |
|
|
2026
Q1 | $233M | Buy |
234,028
+2,231
| +1% | +$2.17M | 1.25% | 23 |
|
|
2025
Q4 | $200M | Sell |
231,797
-3,680
| -2% | -$3.33M | 1.09% | 25 |
|
|
2025
Q3 | $218M | Sell |
235,477
-6,632
| -3% | -$6.36M | 1.33% | 23 |
|
|
2025
Q2 | $240M | Sell |
242,109
-99,725
| -29% | -$99.1M | 1.54% | 17 |
|
|
2025
Q1 | $323M | Sell |
341,834
-74,605
| -18% | -$72.7M | 2.26% | 13 |
|
|
2024
Q4 | $382M | Sell |
416,439
-11,740
| -3% | -$10.9M | 2.68% | 12 |
|
|
2024
Q3 | $380M | Sell |
428,179
-5,335
| -1% | -$4.63M | 2.58% | 14 |
|
|
2024
Q2 | $368M | Sell |
433,514
-4,274
| -1% | -$3.34M | 2.77% | 12 |
|
|
2024
Q1 | $321M | Sell |
437,788
-7,686
| -2% | -$5.49M | 2.46% | 15 |
|
|
2023
Q4 | $294M | Sell |
445,474
-129,725
| -23% | -$76.9M | 2.44% | 16 |
|
|
2023
Q3 | $325M | Sell |
575,199
-9,682
| -2% | -$5.34M | 2.87% | 13 |
|
|
2023
Q2 | $315M | Sell |
584,881
-13,338
| -2% | -$6.75M | 2.53% | 12 |
|
|
2023
Q1 | $297M | Sell |
598,219
-9,371
| -2% | -$4.6M | 2.49% | 15 |
|
|
2022
Q4 | $277M | Sell |
607,590
-11,529
| -2% | -$5.63M | 2.43% | 15 |
|
|
2022
Q3 | $292M | Sell |
619,119
-42,245
| -6% | -$22M | 2.71% | 12 |
|
|
2022
Q2 | $317M | Sell |
661,364
-149,384
| -18% | -$75.8M | 2.71% | 12 |
|
|
2022
Q1 | $467M | Buy |
810,748
+14,930
| +2% | +$7.84M | 3.3% | 8 |
|
|
2021
Q4 | $452M | Sell |
795,818
-7,611
| -0.9% | -$3.9M | 2.54% | 11 |
|
|
2021
Q3 | $361M | Sell |
803,429
-16,049
| -2% | -$7.06M | 2.13% | 11 |
|
|
2021
Q2 | $324M | Sell |
819,478
-16,158
| -2% | -$6.11M | 1.91% | 14 |
|
|
2021
Q1 | $295M | Buy |
835,636
+203,316
| +32% | +$70.8M | 1.88% | 16 |
|
|
2020
Q4 | $238M | Sell |
632,320
-27,641
| -4% | -$10.3M | 1.59% | 27 |
|
|
2020
Q3 | $234M | Sell |
659,961
-42,288
| -6% | -$14.2M | 1.68% | 25 |
|
|
2020
Q2 | $213M | Sell |
702,249
-29,467
| -4% | -$8.97M | 1.6% | 27 |
|
|
2020
Q1 | $209M | Buy |
731,716
+116,022
| +19% | +$35.2M | 1.7% | 26 |
|
|
2019
Q4 | $181M | Buy |
615,694
+78,355
| +15% | +$23.3M | 1.16% | 28 |
|
|
2019
Q3 | $155M | Sell |
537,339
-17,151
| -3% | -$4.83M | 1.03% | 29 |
|
|
2019
Q2 | $147M | Sell |
554,490
-14,525
| -3% | -$3.62M | 0.97% | 29 |
|
|
2019
Q1 | $138M | Buy |
569,015
+514,162
| +937% | +$112M | 0.95% | 31 |
|
|
2018
Q4 | $11.2M | Sell |
54,853
-3,204
| -6% | -$716K | 0.08% | 74 |
|
|
2018
Q3 | $13.6M | Sell |
58,057
-1,448
| -2% | -$326K | 0.08% | 68 |
|
|
2018
Q2 | $12.4M | Buy |
59,505
+2,649
| +5% | +$523K | 0.08% | 69 |
|
|
2018
Q1 | $10.7M | Sell |
56,856
-541
| -0.9% | -$102K | 0.06% | 72 |
|
|
2017
Q4 | $10.7M | Sell |
57,397
-2,007
| -3% | -$346K | 0.06% | 74 |
|
|
2017
Q3 | $9.76M | Sell |
59,404
-744
| -1% | -$117K | 0.05% | 72 |
|
|
2017
Q2 | $9.62M | Sell |
60,148
-2,845
| -5% | -$490K | 0.05% | 68 |
|
|
2017
Q1 | $10.6M | Sell |
62,993
-4,165
| -6% | -$698K | 0.06% | 68 |
|
|
2016
Q4 | $10.8M | Buy |
67,158
+80
| +0.1% | +$12.2K | 0.06% | 72 |
|
|
2016
Q3 | $10.2M | Sell |
67,078
-1,231
| -2% | -$199K | 0.05% | 68 |
|
|
2016
Q2 | $10.7M | Sell |
68,309
-2,969
| -4% | -$450K | 0.06% | 71 |
|
|
2016
Q1 | $11.2M | Sell |
71,278
-3,094
| -4% | -$469K | 0.06% | 67 |
|
|
2015
Q4 | $12M | Sell |
74,372
-2,399
| -3% | -$379K | 0.06% | 67 |
|
|
2015
Q3 | $11.1M | Sell |
76,771
-2,035
| -3% | -$290K | 0.06% | 68 |
|
|
2015
Q2 | $10.6M | Sell |
78,806
-14,399
| -15% | -$2.07M | 0.05% | 66 |
|
|
2015
Q1 | $14.1M | Buy |
93,205
+190
| +0.2% | +$27.9K | 0.06% | 63 |
|
|
2014
Q4 | $13.2M | Buy |
93,015
+275
| +0.3% | +$37.4K | 0.06% | 67 |
|
|
2014
Q3 | $11.6M | Sell |
92,740
-5,366
| -5% | -$649K | 0.05% | 71 |
|
|
2014
Q2 | $11.3M | Sell |
98,106
-1,694
| -2% | -$194K | 0.05% | 72 |
|
|
2014
Q1 | $11.1M | Sell |
99,800
-120,748
| -55% | -$13.8M | 0.05% | 69 |
|
|
2013
Q4 | $26.3M | Buy |
220,548
+111,225
| +102% | +$13.3M | 0.06% | 65 |
|
|
2013
Q3 | $12.6M | Sell |
109,323
-17,003
| -13% | -$1.96M | 0.06% | 66 |
|
|
2013
Q2 | $14M | Buy |
+126,326
| New | +$13.8M | 0.07% | 66 |
|
Other funds holding COST
Brown Brothers Harriman & Co's COST Position: Q2 2026 in Review
Brown Brothers Harriman & Co reduced its Costco (COST) stake by 2.3% in Q2 2026, selling an estimated $5.38M and leaving 228,630 shares worth $214M. The position accounts for 0.94% of the portfolio, ranked #31.
Brown Brothers Harriman & Co first reported a position in COST in Q2 2013 and has held it in 53 quarters since. The position peaked at $467M in Q1 2022. 4,224 funds tracked by Wall St. Rank hold COST as of Q2 2026.
- Brown Brothers Harriman & Co held 228,630 shares of Costco worth $214M as of Q2 2026.
- Brown Brothers Harriman & Co sold 5,398 Costco shares in Q2 2026, an estimated $5.38M.
- Costco made up 0.94% of Brown Brothers Harriman & Co's portfolio in Q2 2026, its #31 holding.
- Brown Brothers Harriman & Co first reported a position in Costco in Q2 2013 and has held it in 53 quarters since.
- Brown Brothers Harriman & Co's Costco position peaked at $467M in Q1 2022.
- 4,224 funds tracked by Wall St. Rank held Costco as of Q2 2026.
Based on Brown Brothers Harriman & Co's 13F filing for Q2 2026, filed 12 Aug 2026.