Parallel Advisors’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
$45.8M Buy
45,954
+432
+0.9% +$421K 0.82% 18
2025
Q4
$39.3M Sell
45,522
-1,016
-2% -$921K 0.72% 20
2025
Q3
$43.1M Sell
46,538
-21
-0% -$20.1K 0.79% 18
2025
Q2
$46.1M Buy
46,559
+183
+0.4% +$182K 0.92% 17
2025
Q1
$43.9M Sell
46,376
-247
-0.5% -$241K 0.99% 15
2024
Q4
$42.7M Sell
46,623
-393
-0.8% -$365K 0.96% 16
2024
Q3
$41.7M Buy
47,016
+1,505
+3% +$1.31M 0.98% 15
2024
Q2
$38.7M Sell
45,511
-691
-1% -$539K 0.99% 17
2024
Q1
$33.8M Buy
46,202
+276
+0.6% +$197K 0.92% 18
2023
Q4
$30.3M Buy
45,926
+201
+0.4% +$119K 0.9% 18
2023
Q3
$25.8M Sell
45,725
-96
-0.2% -$53K 0.86% 20
2023
Q2
$24.7M Sell
45,821
-164
-0.4% -$83K 0.79% 22
2023
Q1
$22.8M Buy
45,985
+23,150
+101% +$11.4M 0.77% 23
2022
Q4
$10.4M Buy
22,835
+519
+2% +$254K 0.45% 37
2022
Q3
$10.5M Sell
22,316
-365
-2% -$190K 0.49% 38
2022
Q2
$10.9M Sell
22,681
-88
-0.4% -$44.6K 0.5% 37
2022
Q1
$13.1M Sell
22,769
-175
-0.8% -$91.8K 0.52% 33
2021
Q4
$13M Buy
22,944
+492
+2% +$252K 0.48% 37
2021
Q3
$10.1M Buy
22,452
+859
+4% +$378K 0.41% 49
2021
Q2
$8.54M Buy
21,593
+236
+1% +$89.2K 0.36% 48
2021
Q1
$7.53M Buy
21,357
+876
+4% +$305K 0.36% 51
2020
Q4
$7.72M Sell
20,481
-362
-2% -$135K 0.42% 44
2020
Q3
$7.4M Sell
20,843
-254
-1% -$85.4K 0.46% 42
2020
Q2
$6.4M Buy
21,097
+3,121
+17% +$950K 0.42% 43
2020
Q1
$5.13M Buy
17,976
+1,579
+10% +$479K 0.42% 41
2019
Q4
$4.82M Buy
16,397
+609
+4% +$181K 0.36% 48
2019
Q3
$4.55M Buy
15,788
+1,140
+8% +$321K 0.39% 48
2019
Q2
$3.87M Buy
14,648
+442
+3% +$110K 0.38% 50
2019
Q1
$3.44M Buy
14,206
+1,435
+11% +$314K 0.39% 47
2018
Q4
$2.6M Buy
12,771
+296
+2% +$66.1K 0.36% 51
2018
Q3
$2.93M Buy
12,475
+240
+2% +$54.1K 0.36% 47
2018
Q2
$2.56M Buy
12,235
+849
+7% +$168K 0.37% 51
2018
Q1
$2.15M Sell
11,386
-295
-3% -$55.7K 0.34% 55
2017
Q4
$2.17M Buy
11,681
+459
+4% +$79.2K 0.36% 53
2017
Q3
$1.92M Sell
11,222
-2,101
-16% -$330K 0.33% 58
2017
Q2
$2.11M Buy
13,323
+1,043
+8% +$180K 0.4% 51
2017
Q1
$2.21M Buy
12,280
+2,382
+24% +$399K 0.44% 47
2016
Q4
$1.58M Buy
+9,898
New +$1.51M 0.37% 55

Other funds holding COST

Parallel Advisors's COST Position: Q1 2026 in Review

Parallel Advisors increased its Costco (COST) stake by 0.95% in Q1 2026, buying an estimated $421K and bringing the position to 45,954 shares worth $45.8M. The position accounts for 0.82% of the portfolio, ranked #18.

Parallel Advisors first reported a position in COST in Q4 2016 and has held it in 38 quarters since. The position peaked at $46.1M in Q2 2025. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Parallel Advisors held 45,954 shares of Costco worth $45.8M as of Q1 2026.
  • Parallel Advisors bought 432 Costco shares in Q1 2026, an estimated $421K.
  • Costco made up 0.82% of Parallel Advisors's portfolio in Q1 2026, its #18 holding.
  • Parallel Advisors first reported a position in Costco in Q4 2016 and has held it in 38 quarters since.
  • Parallel Advisors's Costco position peaked at $46.1M in Q2 2025.
  • 4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Parallel Advisors's 13F filing for Q1 2026, filed 7 May 2026.