Wittenberg Investment Management’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
$239K Hold
240
0.09% 66
2025
Q4
$207K Sell
240
-10
-4% -$9.06K 0.08% 68
2025
Q3
$231K Hold
250
0.09% 64
2025
Q2
$247K Hold
250
0.11% 61
2025
Q1
$236K Sell
250
-75
-23% -$73.1K 0.11% 62
2024
Q4
$298K Hold
325
0.12% 55
2024
Q3
$288K Sell
325
-364
-53% -$316K 0.09% 70
2024
Q2
$586K Sell
689
-1
-0.1% -$780 0.2% 52
2024
Q1
$505K Sell
690
-24
-3% -$17.1K 0.17% 61
2023
Q4
$472K Hold
714
0.16% 60
2023
Q3
$403K Hold
714
0.15% 61
2023
Q2
$384K Sell
714
-175
-20% -$88.5K 0.14% 62
2023
Q1
$442K Hold
889
0.16% 61
2022
Q4
$406K Hold
889
0.17% 57
2022
Q3
$420K Hold
889
0.18% 59
2022
Q2
$426K Sell
889
-10
-1% -$5.07K 0.18% 57
2022
Q1
$518K Sell
899
-169
-16% -$88.7K 0.2% 51
2021
Q4
$606K Sell
1,068
-45
-4% -$23K 0.22% 51
2021
Q3
$500K Hold
1,113
0.19% 54
2021
Q2
$440K Buy
1,113
+1
+0.1% +$378 0.18% 51
2021
Q1
$392K Buy
1,112
+228
+26% +$79.4K 0.18% 51
2020
Q4
$333K Hold
884
0.16% 54
2020
Q3
$314K Hold
884
0.17% 55
2020
Q2
$268K Buy
884
+9
+1% +$2.74K 0.15% 56
2020
Q1
$249K Sell
875
-1,857
-68% -$563K 0.14% 57
2019
Q4
$803K Sell
2,732
-100
-4% -$29.7K 0.31% 42
2019
Q3
$816K Sell
2,832
-350
-11% -$98.5K 0.36% 44
2019
Q2
$841K Hold
3,182
0.36% 42
2019
Q1
$770K Sell
3,182
-50
-2% -$10.9K 0.33% 43
2018
Q4
$658K Hold
3,232
0.31% 45
2018
Q3
$759K Sell
3,232
-600
-16% -$135K 0.31% 44
2018
Q2
$801K Hold
3,832
0.34% 44
2018
Q1
$722K Hold
3,832
0.31% 44
2017
Q4
$713K Hold
3,832
0.31% 46
2017
Q3
$630K Hold
3,832
0.27% 48
2017
Q2
$613K Hold
3,832
0.28% 45
2017
Q1
$643K Sell
3,832
-900
-19% -$151K 0.31% 44
2016
Q4
$758K Buy
+4,732
New +$722K 0.34% 45

Other funds holding COST

Wittenberg Investment Management's COST Position: Q1 2026 in Review

Wittenberg Investment Management held its Costco (COST) position steady in Q1 2026 at 240 shares worth $239K. The position accounts for 0.09% of the portfolio, ranked #66.

Wittenberg Investment Management first reported a position in COST in Q4 2016 and has held it in 38 quarters since. The position peaked at $841K in Q2 2019. 4,238 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Wittenberg Investment Management held 240 shares of Costco worth $239K as of Q1 2026.
  • Wittenberg Investment Management left its Costco share count unchanged in Q1 2026.
  • Costco made up 0.09% of Wittenberg Investment Management's portfolio in Q1 2026, its #66 holding.
  • Wittenberg Investment Management first reported a position in Costco in Q4 2016 and has held it in 38 quarters since.
  • Wittenberg Investment Management's Costco position peaked at $841K in Q2 2019.
  • 4,238 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Wittenberg Investment Management's 13F filing for Q1 2026, filed 14 May 2026.