Boothbay Fund 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
$1.92M Buy
1,922
+1,205
+168% +$1.17M 0.02% 647
2025
Q4
$618K Sell
717
-269
-27% -$244K 0.01% 1020
2025
Q3
$913K Sell
986
-22,765
-96% -$21.8M 0.01% 864
2025
Q2
$23.5M Buy
+23,751
New +$23.6M 0.46% 32
2025
Q1
Sell
-732
Closed -$671K 1461
2024
Q4
$671K Buy
732
+189
+35% +$175K 0.02% 775
2024
Q3
$481K Buy
+543
New +$471K 0.01% 999
2024
Q2
Sell
-1,011
Closed -$741K 1578
2024
Q1
$741K Sell
1,011
-685
-40% -$489K 0.01% 863
2023
Q4
$1.12M Sell
1,696
-244
-13% -$145K 0.03% 694
2023
Q3
$1.1M Sell
1,940
-2,258
-54% -$1.25M 0.03% 726
2023
Q2
$2.26M Buy
4,198
+2,342
+126% +$1.19M 0.05% 513
2023
Q1
$922K Sell
1,856
-1,554
-46% -$762K 0.02% 1029
2022
Q4
$1.56M Buy
3,410
+2,827
+485% +$1.38M 0.04% 706
2022
Q3
$275K Buy
+583
New +$303K 0.01% 1591
2022
Q2
Sell
-510
Closed -$259K 2317
2022
Q1
$294K Buy
+510
New +$268K 0.01% 1628
2021
Q4
Sell
-614
Closed -$276K 1905
2021
Q3
$276K Buy
+614
New +$270K 0.01% 1374
2021
Q1
Sell
-2,398
Closed -$904K 1578
2020
Q4
$904K Buy
+2,398
New +$896K 0.03% 533
2020
Q3
Sell
-1,016
Closed -$308K 1066
2020
Q2
$308K Buy
+1,016
New +$309K 0.02% 692
2018
Q3
Sell
-2,838
Closed -$593K 809
2018
Q2
$593K Buy
2,838
+1,638
+137% +$324K 0.05% 299
2018
Q1
$226K Buy
1,200
+1
+0.1% +$189 0.03% 570
2017
Q4
$223K Buy
+1,199
New +$207K 0.03% 551
2017
Q1
Sell
-1,729
Closed -$277 772
2016
Q4
$277 Sell
1,729
-827
-32% -$126K 0.06% 428
2016
Q3
$390K Buy
+2,556
New +$413K 0.08% 290
2016
Q1
Sell
-1,934
Closed -$312K 362
2015
Q4
$312K Buy
+1,934
New +$306K 0.14% 250

Other funds holding COST

Boothbay Fund Management's COST Position: Q1 2026 in Review

Boothbay Fund Management increased its Costco (COST) stake by 168% in Q1 2026, buying an estimated $1.17M and bringing the position to 1,922 shares worth $1.92M. The position accounts for 0.02% of the portfolio, ranked #647.

Boothbay Fund Management first reported a position in COST in Q4 2015 and has held it in 23 quarters since. The position peaked at $23.5M in Q2 2025. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Boothbay Fund Management held 1,922 shares of Costco worth $1.92M as of Q1 2026.
  • Boothbay Fund Management bought 1,205 Costco shares in Q1 2026, an estimated $1.17M.
  • Costco made up 0.02% of Boothbay Fund Management's portfolio in Q1 2026, its #647 holding.
  • Boothbay Fund Management first reported a position in Costco in Q4 2015 and has held it in 23 quarters since.
  • Boothbay Fund Management's Costco position peaked at $23.5M in Q2 2025.
  • 4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Boothbay Fund Management's 13F filing for Q1 2026, filed 15 May 2026.