RhumbLine Advisers’s Costco COST Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $813M | Sell |
816,202
-14,803
| -2% | -$14.4M | 0.7% | 17 |
|
|
2025
Q4 | $717M | Sell |
831,005
-21,286
| -2% | -$19.3M | 0.58% | 18 |
|
|
2025
Q3 | $789M | Sell |
852,291
-11,145
| -1% | -$10.7M | 0.63% | 19 |
|
|
2025
Q2 | $855M | Sell |
863,436
-20,541
| -2% | -$20.4M | 0.73% | 16 |
|
|
2025
Q1 | $836M | Sell |
883,977
-311
| -0% | -$303K | 0.78% | 16 |
|
|
2024
Q4 | $810M | Sell |
884,288
-15,261
| -2% | -$14.2M | 0.72% | 16 |
|
|
2024
Q3 | $797M | Sell |
899,549
-21,372
| -2% | -$18.5M | 0.72% | 17 |
|
|
2024
Q2 | $783M | Buy |
920,921
+6,253
| +0.7% | +$4.88M | 0.74% | 16 |
|
|
2024
Q1 | $670M | Sell |
914,668
-686
| -0.1% | -$490K | 0.64% | 20 |
|
|
2023
Q4 | $604M | Sell |
915,354
-2,148
| -0.2% | -$1.27M | 0.63% | 20 |
|
|
2023
Q3 | $518M | Buy |
917,502
+1,915
| +0.2% | +$1.06M | 0.6% | 21 |
|
|
2023
Q2 | $493M | Buy |
915,587
+14,290
| +2% | +$7.23M | 0.55% | 23 |
|
|
2023
Q1 | $448M | Buy |
901,297
+29,647
| +3% | +$14.5M | 0.55% | 25 |
|
|
2022
Q4 | $398M | Buy |
871,650
+34,074
| +4% | +$16.7M | 0.53% | 27 |
|
|
2022
Q3 | $396M | Buy |
837,576
+12,477
| +2% | +$6.49M | 0.59% | 23 |
|
|
2022
Q2 | $395M | Buy |
825,099
+25,233
| +3% | +$12.8M | 0.58% | 24 |
|
|
2022
Q1 | $461M | Buy |
799,866
+15,525
| +2% | +$8.15M | 0.59% | 20 |
|
|
2021
Q4 | $445M | Buy |
784,341
+5,822
| +0.7% | +$2.98M | 0.55% | 22 |
|
|
2021
Q3 | $350M | Sell |
778,519
-17,385
| -2% | -$7.64M | 0.47% | 30 |
|
|
2021
Q2 | $315M | Sell |
795,904
-34,054
| -4% | -$12.9M | 0.41% | 37 |
|
|
2021
Q1 | $293M | Sell |
829,958
-43,173
| -5% | -$15M | 0.4% | 42 |
|
|
2020
Q4 | $329M | Sell |
873,131
-22,234
| -2% | -$8.31M | 0.45% | 36 |
|
|
2020
Q3 | $318M | Sell |
895,365
-376
| -0% | -$126K | 0.5% | 34 |
|
|
2020
Q2 | $272M | Buy |
895,741
+66,753
| +8% | +$20.3M | 0.45% | 36 |
|
|
2020
Q1 | $236M | Buy |
828,988
+10,324
| +1% | +$3.13M | 0.5% | 34 |
|
|
2019
Q4 | $241M | Sell |
818,664
-4,624
| -0.6% | -$1.37M | 0.4% | 40 |
|
|
2019
Q3 | $237M | Buy |
823,288
+16,839
| +2% | +$4.74M | 0.43% | 36 |
|
|
2019
Q2 | $213M | Sell |
806,449
-13,514
| -2% | -$3.37M | 0.4% | 41 |
|
|
2019
Q1 | $199M | Buy |
819,963
+44,876
| +6% | +$9.82M | 0.38% | 49 |
|
|
2018
Q4 | $158M | Buy |
775,087
+1,748
| +0.2% | +$390K | 0.34% | 54 |
|
|
2018
Q3 | $182M | Sell |
773,339
-18,524
| -2% | -$4.17M | 0.35% | 51 |
|
|
2018
Q2 | $165M | Buy |
791,863
+15,569
| +2% | +$3.08M | 0.33% | 53 |
|
|
2018
Q1 | $146M | Sell |
776,294
-19,517
| -2% | -$3.68M | 0.31% | 62 |
|
|
2017
Q4 | $148M | Buy |
795,811
+6,649
| +0.8% | +$1.15M | 0.3% | 58 |
|
|
2017
Q3 | $130M | Buy |
789,162
+14,371
| +2% | +$2.26M | 0.28% | 65 |
|
|
2017
Q2 | $124M | Buy |
774,791
+4,494
| +0.6% | +$774K | 0.28% | 66 |
|
|
2017
Q1 | $129M | Buy |
770,297
+22,405
| +3% | +$3.75M | 0.3% | 59 |
|
|
2016
Q4 | $120M | Buy |
747,892
+25,488
| +4% | +$3.89M | 0.3% | 57 |
|
|
2016
Q3 | $110M | Buy |
722,404
+22,943
| +3% | +$3.71M | 0.3% | 62 |
|
|
2016
Q2 | $110M | Buy |
699,461
+21,125
| +3% | +$3.2M | 0.33% | 57 |
|
|
2016
Q1 | $107M | Buy |
678,336
+21,003
| +3% | +$3.18M | 0.33% | 53 |
|
|
2015
Q4 | $106M | Buy |
657,333
+3,268
| +0.5% | +$516K | 0.34% | 53 |
|
|
2015
Q3 | $94.6M | Buy |
654,065
+8,045
| +1% | +$1.15M | 0.32% | 60 |
|
|
2015
Q2 | $87.3M | Sell |
646,020
-110,304
| -15% | -$15.9M | 0.28% | 68 |
|
|
2015
Q1 | $115M | Sell |
756,324
-20,415
| -3% | -$3M | 0.33% | 60 |
|
|
2014
Q4 | $110M | Sell |
776,739
-3,907
| -0.5% | -$531K | 0.32% | 65 |
|
|
2014
Q3 | $97.8M | Sell |
780,646
-14,159
| -2% | -$1.71M | 0.29% | 70 |
|
|
2014
Q2 | $91.5M | Sell |
794,805
-24,055
| -3% | -$2.76M | 0.27% | 80 |
|
|
2014
Q1 | $91.5M | Sell |
818,860
-5,596
| -0.7% | -$640K | 0.27% | 80 |
|
|
2013
Q4 | $98.1M | Sell |
824,456
-33,281
| -4% | -$3.98M | 0.29% | 72 |
|
|
2013
Q3 | $98.7M | Sell |
857,737
-10,871
| -1% | -$1.25M | 0.31% | 68 |
|
|
2013
Q2 | $96M | Buy |
+868,608
| New | +$95M | 0.31% | 63 |
|
Other funds holding COST
VCM
VPM
DAM
RhumbLine Advisers's COST Position: Q1 2026 in Review
RhumbLine Advisers reduced its Costco (COST) stake by 1.8% in Q1 2026, selling an estimated $14.4M and leaving 816,202 shares worth $813M. The position accounts for 0.7% of the portfolio, ranked #17.
RhumbLine Advisers first reported a position in COST in Q2 2013 and has held it in 52 quarters since. The position peaked at $855M in Q2 2025. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.
- RhumbLine Advisers held 816,202 shares of Costco worth $813M as of Q1 2026.
- RhumbLine Advisers sold 14,803 Costco shares in Q1 2026, an estimated $14.4M.
- Costco made up 0.7% of RhumbLine Advisers's portfolio in Q1 2026, its #17 holding.
- RhumbLine Advisers first reported a position in Costco in Q2 2013 and has held it in 52 quarters since.
- RhumbLine Advisers's Costco position peaked at $855M in Q2 2025.
- 4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.
Based on RhumbLine Advisers's 13F filing for Q1 2026, filed 12 May 2026.