Westfield Capital Management
COST icon

Westfield Capital Management’s Costco COST Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$143M Sell
144,626
-3,530
-2% -$3.49M 0.6% 36
2025
Q1
$140M Sell
148,156
-358
-0.2% -$339K 0.68% 37
2024
Q4
$136M Buy
148,514
+698
+0.5% +$640K 0.59% 46
2024
Q3
$131M Buy
147,816
+2,424
+2% +$2.15M 0.59% 43
2024
Q2
$124M Sell
145,392
-23,864
-14% -$20.3M 0.61% 40
2024
Q1
$124M Sell
169,256
-15,890
-9% -$11.6M 0.65% 34
2023
Q4
$122M Sell
185,146
-20,471
-10% -$13.5M 0.71% 29
2023
Q3
$116M Sell
205,617
-5,265
-2% -$2.97M 0.79% 29
2023
Q2
$114M Sell
210,882
-4,517
-2% -$2.43M 0.72% 34
2023
Q1
$107M Sell
215,399
-6,602
-3% -$3.28M 0.76% 35
2022
Q4
$101M Buy
222,001
+20,828
+10% +$9.51M 0.78% 35
2022
Q3
$95M Sell
201,173
-3,367
-2% -$1.59M 0.75% 33
2022
Q2
$98M Sell
204,540
-1,466
-0.7% -$703K 0.77% 36
2022
Q1
$119M Sell
206,006
-27,402
-12% -$15.8M 0.76% 39
2021
Q4
$133M Sell
233,408
-82,382
-26% -$46.8M 0.79% 36
2021
Q3
$142M Sell
315,790
-4,713
-1% -$2.12M 0.86% 25
2021
Q2
$127M Sell
320,503
-15,364
-5% -$6.08M 0.76% 32
2021
Q1
$118M Buy
335,867
+332,350
+9,450% +$117M 0.74% 41
2020
Q4
$1.33M Sell
3,517
-1,269
-27% -$478K 0.01% 226
2020
Q3
$1.7M Buy
4,786
+1,130
+31% +$401K 0.01% 214
2020
Q2
$1.11M Buy
+3,656
New +$1.11M 0.01% 215
2019
Q1
Sell
-380,353
Closed -$77.5M 253
2018
Q4
$77.5M Sell
380,353
-177,066
-32% -$36.1M 0.66% 57
2018
Q3
$131M Sell
557,419
-9,319
-2% -$2.19M 0.92% 22
2018
Q2
$118M Buy
566,738
+191,024
+51% +$39.9M 0.88% 26
2018
Q1
$70.8M Buy
+375,714
New +$70.8M 0.55% 64
2016
Q4
Sell
-6,170
Closed -$941K 265
2016
Q3
$941K Sell
6,170
-586,915
-99% -$89.5M 0.01% 233
2016
Q2
$93.1M Sell
593,085
-178,760
-23% -$28.1M 0.77% 41
2016
Q1
$122M Sell
771,845
-25,237
-3% -$3.98M 0.93% 34
2015
Q4
$129M Buy
797,082
+156,946
+25% +$25.3M 0.87% 33
2015
Q3
$92.5M Sell
640,136
-56,338
-8% -$8.14M 0.66% 46
2015
Q2
$94.1M Sell
696,474
-69,985
-9% -$9.45M 0.57% 59
2015
Q1
$116M Sell
766,459
-469,723
-38% -$71.2M 0.67% 45
2014
Q4
$175M Buy
1,236,182
+229,227
+23% +$32.5M 1.03% 19
2014
Q3
$126M Sell
1,006,955
-14,829
-1% -$1.86M 0.77% 32
2014
Q2
$118M Sell
1,021,784
-308,556
-23% -$35.5M 0.7% 42
2014
Q1
$149M Sell
1,330,340
-42,794
-3% -$4.78M 0.89% 31
2013
Q4
$163M Sell
1,373,134
-15,058
-1% -$1.79M 0.96% 22
2013
Q3
$160M Sell
1,388,192
-182,279
-12% -$21M 1.02% 18
2013
Q2
$174M Buy
+1,570,471
New +$174M 1.19% 10