SOMRS
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State of Michigan Retirement System’s Costco COST Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$174M Buy
175,569
+300
+0.2% +$297K 0.9% 17
2025
Q1
$166M Buy
175,269
+200
+0.1% +$189K 0.96% 17
2024
Q4
$160M Sell
175,069
-2,600
-1% -$2.38M 0.83% 18
2024
Q3
$158M Sell
177,669
-700
-0.4% -$621K 0.78% 21
2024
Q2
$152M Buy
178,369
+20,400
+13% +$17.3M 0.78% 20
2024
Q1
$116M Buy
157,969
+30,400
+24% +$22.3M 0.62% 27
2023
Q4
$84.2M Buy
127,569
+200
+0.2% +$132K 0.5% 33
2023
Q3
$72M Sell
127,369
-2,000
-2% -$1.13M 0.47% 38
2023
Q2
$69.6M Sell
129,369
-10,900
-8% -$5.87M 0.43% 40
2023
Q1
$69.7M Buy
140,269
+1,600
+1% +$795K 0.46% 41
2022
Q4
$63.3M Buy
138,669
+1,700
+1% +$776K 0.44% 40
2022
Q3
$64.7M Buy
136,969
+400
+0.3% +$189K 0.48% 36
2022
Q2
$65.5M Sell
136,569
-1,000
-0.7% -$479K 0.45% 39
2022
Q1
$79.2M Buy
137,569
+664
+0.5% +$382K 0.46% 36
2021
Q4
$77.7M Buy
136,905
+20,100
+17% +$11.4M 0.41% 43
2021
Q3
$52.5M Sell
116,805
-100
-0.1% -$44.9K 0.3% 62
2021
Q2
$46.3M Buy
116,905
+5,800
+5% +$2.29M 0.27% 86
2021
Q1
$39.2M Buy
111,105
+200
+0.2% +$70.5K 0.25% 94
2020
Q4
$41.8M Sell
110,905
-1,800
-2% -$678K 0.29% 83
2020
Q3
$40M Sell
112,705
-100
-0.1% -$35.5K 0.32% 79
2020
Q2
$34.2M Buy
112,805
+11,569
+11% +$3.51M 0.3% 84
2020
Q1
$28.9M Sell
101,236
-5,600
-5% -$1.6M 0.32% 85
2019
Q4
$31.4M Buy
106,836
+1,100
+1% +$323K 0.26% 99
2019
Q3
$30.5M Buy
105,736
+400
+0.4% +$115K 0.28% 88
2019
Q2
$27.8M Sell
105,336
-21,600
-17% -$5.71M 0.25% 96
2019
Q1
$30.7M Buy
126,936
+1,500
+1% +$363K 0.25% 97
2018
Q4
$25.6M Sell
125,436
-5,200
-4% -$1.06M 0.23% 99
2018
Q3
$30.7M Buy
130,636
+800
+0.6% +$188K 0.22% 101
2018
Q2
$27.1M Buy
129,836
+600
+0.5% +$125K 0.21% 104
2018
Q1
$24.4M Buy
129,236
+1,100
+0.9% +$207K 0.2% 104
2017
Q4
$23.8M Sell
128,136
-5,000
-4% -$931K 0.19% 106
2017
Q3
$21.9M Sell
133,136
-11,000
-8% -$1.81M 0.18% 107
2017
Q2
$23.1M Hold
144,136
0.17% 108
2017
Q1
$24.2M Buy
144,136
+1,200
+0.8% +$201K 0.19% 103
2016
Q4
$22.9M Sell
142,936
-9,972
-7% -$1.6M 0.18% 106
2016
Q3
$23.3M Buy
152,908
+700
+0.5% +$107K 0.18% 107
2016
Q2
$23.9M Buy
152,208
+800
+0.5% +$126K 0.19% 104
2016
Q1
$23.9M Buy
151,408
+1,800
+1% +$284K 0.19% 100
2015
Q4
$24.2M Sell
149,608
-9,100
-6% -$1.47M 0.19% 101
2015
Q3
$22.9M Sell
158,708
-11,700
-7% -$1.69M 0.18% 102
2015
Q2
$23M Buy
170,408
+700
+0.4% +$94.5K 0.16% 118
2015
Q1
$25.7M Sell
169,708
-10,600
-6% -$1.61M 0.18% 102
2014
Q4
$25.6M Buy
180,308
+600
+0.3% +$85.1K 0.17% 109
2014
Q3
$22.5M Buy
179,708
+100
+0.1% +$12.5K 0.16% 118
2014
Q2
$20.7M Buy
179,608
+100
+0.1% +$11.5K 0.14% 130
2014
Q1
$20M Buy
179,508
+1,900
+1% +$212K 0.15% 128
2013
Q4
$21.1M Hold
177,608
0.16% 120
2013
Q3
$20.4M Buy
177,608
+200
+0.1% +$23K 0.18% 114
2013
Q2
$19.6M Buy
+177,408
New +$19.6M 0.18% 105