TAM
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Trillium Asset Management’s Costco COST Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$61.4M Sell
62,037
-2,642
-4% -$2.62M 1.65% 10
2025
Q1
$61.2M Buy
64,679
+2,280
+4% +$2.16M 1.76% 7
2024
Q4
$57.2M Sell
62,399
-54
-0.1% -$49.5K 1.48% 9
2024
Q3
$55.4M Sell
62,453
-406
-0.6% -$360K 1.36% 11
2024
Q2
$53.4M Sell
62,859
-925
-1% -$786K 1.35% 15
2024
Q1
$46.7M Sell
63,784
-8,577
-12% -$6.28M 1.19% 20
2023
Q4
$47.8M Sell
72,361
-8,571
-11% -$5.66M 1.3% 16
2023
Q3
$45.7M Sell
80,932
-556
-0.7% -$314K 1.38% 13
2023
Q2
$43.9M Sell
81,488
-824
-1% -$444K 1.23% 18
2023
Q1
$41.4M Sell
82,312
-1,747
-2% -$878K 1.21% 23
2022
Q4
$38.4M Sell
84,059
-10
-0% -$4.57K 1.18% 22
2022
Q3
$39.7M Buy
84,069
+5,330
+7% +$2.52M 1.3% 19
2022
Q2
$38.2M Buy
78,739
+5,649
+8% +$2.74M 1.17% 22
2022
Q1
$42.1M Sell
73,090
-5,652
-7% -$3.25M 1.12% 19
2021
Q4
$44.7M Buy
78,742
+6
+0% +$3.41K 1.05% 27
2021
Q3
$35.4M Buy
78,736
+1,589
+2% +$714K 0.93% 32
2021
Q2
$30.4M Buy
77,147
+1,768
+2% +$698K 0.84% 41
2021
Q1
$26.6M Buy
75,379
+8,323
+12% +$2.93M 0.84% 45
2020
Q4
$25.3M Sell
67,056
-124
-0.2% -$46.7K 0.91% 37
2020
Q3
$23.8M Sell
67,180
-6,085
-8% -$2.16M 1% 32
2020
Q2
$22.2M Sell
73,265
-152
-0.2% -$46.1K 0.95% 31
2020
Q1
$20.9M Buy
73,417
+5,419
+8% +$1.55M 1.1% 22
2019
Q4
$20M Sell
67,998
-5,618
-8% -$1.65M 0.89% 33
2019
Q3
$21.2M Sell
73,616
-15,810
-18% -$4.56M 0.99% 29
2019
Q2
$23.6M Sell
89,426
-289
-0.3% -$76.4K 1.14% 21
2019
Q1
$21.7M Buy
89,715
+843
+0.9% +$204K 1.1% 23
2018
Q4
$18.1M Buy
88,872
+6,011
+7% +$1.22M 1.05% 25
2018
Q3
$19.5M Buy
82,861
+78
+0.1% +$18.3K 0.97% 28
2018
Q2
$17.3M Buy
82,783
+62
+0.1% +$13K 0.93% 35
2018
Q1
$15.6M Sell
82,721
-6
-0% -$1.13K 0.86% 41
2017
Q4
$15.4M Buy
82,727
+396
+0.5% +$73.7K 0.85% 39
2017
Q3
$13.5M Buy
82,331
+16,002
+24% +$2.63M 0.77% 48
2017
Q2
$10.6M Buy
66,329
+1,293
+2% +$207K 0.63% 64
2017
Q1
$10.9M Sell
65,036
-6,016
-8% -$1.01M 0.7% 57
2016
Q4
$11.4M Buy
71,052
+17,197
+32% +$2.75M 0.75% 56
2016
Q3
$8.21M Sell
53,855
-2,625
-5% -$400K 0.53% 81
2016
Q2
$8.87M Buy
56,480
+34
+0.1% +$5.34K 0.59% 68
2016
Q1
$8.9M Sell
56,446
-7,263
-11% -$1.14M 0.59% 72
2015
Q4
$10.3M Sell
63,709
-7,214
-10% -$1.17M 0.7% 61
2015
Q3
$10.3M Buy
70,923
+2,262
+3% +$327K 0.72% 52
2015
Q2
$9.27M Sell
68,661
-1,174
-2% -$159K 0.59% 65
2015
Q1
$10.6M Sell
69,835
-1,222
-2% -$185K 0.69% 53
2014
Q4
$10.1M Buy
71,057
+1,768
+3% +$251K 0.68% 50
2014
Q3
$8.68M Sell
69,289
-1,152
-2% -$144K 0.75% 53
2014
Q2
$8.11M Buy
70,441
+5,800
+9% +$668K 0.7% 54
2014
Q1
$7.22M Sell
64,641
-10,603
-14% -$1.18M 0.68% 60
2013
Q4
$8.96M Sell
75,244
-2,936
-4% -$349K 0.88% 43
2013
Q3
$9M Sell
78,180
-32,159
-29% -$3.7M 1% 35
2013
Q2
$12.2M Buy
+110,339
New +$12.2M 1.51% 16