Aureus Asset 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
$1.43M Buy
1,436
+150
+12% +$146K 0.1% 95
2025
Q4
$1.11M Buy
1,286
+75
+6% +$68K 0.07% 92
2025
Q3
$1.12M Sell
1,211
-25
-2% -$24K 0.07% 86
2025
Q2
$1.22M Buy
1,236
+47
+4% +$46.7K 0.08% 88
2025
Q1
$1.12M Hold
1,189
0.08% 90
2024
Q4
$1.09M Buy
1,189
+672
+130% +$624K 0.07% 91
2024
Q3
$458K Buy
517
+8
+2% +$6.94K 0.03% 134
2024
Q2
$433K Sell
509
-390
-43% -$304K 0.03% 132
2024
Q1
$658K Sell
899
-186
-17% -$133K 0.04% 106
2023
Q4
$716K Buy
1,085
+2
+0.2% +$1.19K 0.05% 100
2023
Q3
$612K Buy
1,083
+393
+57% +$217K 0.05% 108
2023
Q2
$372K Hold
690
0.03% 136
2023
Q1
$343K Buy
690
+91
+15% +$44.6K 0.03% 138
2022
Q4
$274K Sell
599
-125
-17% -$61.1K 0.02% 153
2022
Q3
$342K Buy
724
+40
+6% +$20.8K 0.03% 134
2022
Q2
$328K Sell
684
-50
-7% -$25.4K 0.03% 150
2022
Q1
$422K Sell
734
-163
-18% -$85.5K 0.03% 158
2021
Q4
$509K Sell
897
-18
-2% -$9.22K 0.03% 130
2021
Q3
$411K Buy
915
+15
+2% +$6.59K 0.03% 146
2021
Q2
$356K Buy
900
+58
+7% +$21.9K 0.02% 167
2021
Q1
$297K Sell
842
-244
-22% -$84.9K 0.02% 143
2020
Q4
$409K Sell
1,086
-35
-3% -$13.1K 0.03% 138
2020
Q3
$398K Buy
1,121
+47
+4% +$15.8K 0.04% 131
2020
Q2
$326K Buy
1,074
+233
+28% +$70.9K 0.04% 126
2020
Q1
$240K Buy
+841
New +$255K 0.03% 132
2019
Q3
Sell
-46,135
Closed -$12.2M 165
2019
Q2
$12.2M Sell
46,135
-455
-1% -$113K 1.5% 29
2019
Q1
$11.3M Sell
46,590
-675
-1% -$148K 1.49% 27
2018
Q4
$9.63M Sell
47,265
-15,369
-25% -$3.43M 1.51% 26
2018
Q3
$14.7M Sell
62,634
-2,170
-3% -$489K 1.87% 26
2018
Q2
$13.5M Buy
64,804
+436
+0.7% +$86.1K 1.86% 26
2018
Q1
$12.1M Sell
64,368
-1,950
-3% -$368K 1.82% 29
2017
Q4
$12.3M Sell
66,318
-1,810
-3% -$312K 1.91% 22
2017
Q3
$11.2M Buy
68,128
+1,410
+2% +$222K 1.77% 29
2017
Q2
$10.7M Sell
66,718
-2,850
-4% -$491K 1.79% 28
2017
Q1
$11.9M Sell
69,568
-1,733
-2% -$290K 2.07% 24
2016
Q4
$11.4M Sell
71,301
-2,795
-4% -$427K 2.24% 17
2016
Q3
$11.3M Sell
74,096
-199
-0.3% -$32.2K 2.26% 17
2016
Q2
$11.7M Buy
74,295
+1,109
+2% +$168K 2.51% 16
2016
Q1
$11.5M Buy
73,186
+3,125
+4% +$474K 2.52% 21
2015
Q4
$11.3M Sell
70,061
-654
-0.9% -$103K 2.54% 18
2015
Q3
$10.2M Buy
70,715
+2,550
+4% +$364K 2.54% 17
2015
Q2
$9.21M Buy
68,165
+8,581
+14% +$1.23M 1.94% 22
2015
Q1
$9.03M Sell
59,584
-1,470
-2% -$216K 2.08% 20
2014
Q4
$8.65M Sell
61,054
-570
-0.9% -$77.5K 2.1% 21
2014
Q3
$7.72M Buy
61,624
+4,410
+8% +$533K 1.94% 25
2014
Q2
$6.59M Buy
57,214
+5,840
+11% +$670K 1.65% 30
2014
Q1
$5.74M Buy
51,374
+6,760
+15% +$773K 1.47% 33
2013
Q4
$5.31M Buy
44,614
+4,300
+11% +$514K 1.44% 34
2013
Q3
$4.64M Buy
40,314
+980
+2% +$113K 1.59% 30
2013
Q2
$4.35M Buy
+39,334
New +$4.3M 1.56% 31

Other funds holding COST

Aureus Asset Management's COST Position: Q1 2026 in Review

Aureus Asset Management increased its Costco (COST) stake by 12% in Q1 2026, buying an estimated $146K and bringing the position to 1,436 shares worth $1.43M. The position accounts for 0.1% of the portfolio, ranked #95.

Aureus Asset Management first reported a position in COST in Q2 2013 and has held it in 50 quarters since. The position peaked at $14.7M in Q3 2018. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Aureus Asset Management held 1,436 shares of Costco worth $1.43M as of Q1 2026.
  • Aureus Asset Management bought 150 Costco shares in Q1 2026, an estimated $146K.
  • Costco made up 0.1% of Aureus Asset Management's portfolio in Q1 2026, its #95 holding.
  • Aureus Asset Management first reported a position in Costco in Q2 2013 and has held it in 50 quarters since.
  • Aureus Asset Management's Costco position peaked at $14.7M in Q3 2018.
  • 4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Aureus Asset Management's 13F filing for Q1 2026, filed 13 May 2026.