Westfield Capital Management’s Costco COST Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q4 | – | Sell |
-92,163
| Closed | -$85.3M | – | 245 |
|
|
2025
Q3 | $85.3M | Sell |
92,163
-52,463
| -36% | -$50.3M | 0.36% | 79 |
|
|
2025
Q2 | $143M | Sell |
144,626
-3,530
| -2% | -$3.51M | 0.6% | 36 |
|
|
2025
Q1 | $140M | Sell |
148,156
-358
| -0.2% | -$349K | 0.68% | 37 |
|
|
2024
Q4 | $136M | Buy |
148,514
+698
| +0.5% | +$648K | 0.59% | 46 |
|
|
2024
Q3 | $131M | Buy |
147,816
+2,424
| +2% | +$2.1M | 0.59% | 43 |
|
|
2024
Q2 | $124M | Sell |
145,392
-23,864
| -14% | -$18.6M | 0.61% | 40 |
|
|
2024
Q1 | $124M | Sell |
169,256
-15,890
| -9% | -$11.3M | 0.65% | 34 |
|
|
2023
Q4 | $122M | Sell |
185,146
-20,471
| -10% | -$12.1M | 0.71% | 29 |
|
|
2023
Q3 | $116M | Sell |
205,617
-5,265
| -2% | -$2.91M | 0.79% | 29 |
|
|
2023
Q2 | $114M | Sell |
210,882
-4,517
| -2% | -$2.29M | 0.72% | 34 |
|
|
2023
Q1 | $107M | Sell |
215,399
-6,602
| -3% | -$3.24M | 0.76% | 35 |
|
|
2022
Q4 | $101M | Buy |
222,001
+20,828
| +10% | +$10.2M | 0.78% | 35 |
|
|
2022
Q3 | $95M | Sell |
201,173
-3,367
| -2% | -$1.75M | 0.75% | 33 |
|
|
2022
Q2 | $98M | Sell |
204,540
-1,466
| -0.7% | -$744K | 0.77% | 36 |
|
|
2022
Q1 | $119M | Sell |
206,006
-27,402
| -12% | -$14.4M | 0.76% | 39 |
|
|
2021
Q4 | $133M | Sell |
233,408
-82,382
| -26% | -$42.2M | 0.79% | 36 |
|
|
2021
Q3 | $142M | Sell |
315,790
-4,713
| -1% | -$2.07M | 0.86% | 25 |
|
|
2021
Q2 | $127M | Sell |
320,503
-15,364
| -5% | -$5.81M | 0.76% | 32 |
|
|
2021
Q1 | $118M | Buy |
335,867
+332,350
| +9,450% | +$116M | 0.74% | 41 |
|
|
2020
Q4 | $1.32M | Sell |
3,517
-1,269
| -27% | -$474K | 0.01% | 226 |
|
|
2020
Q3 | $1.7M | Buy |
4,786
+1,130
| +31% | +$380K | 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% | -$39.5M | 0.66% | 57 |
|
|
2018
Q3 | $131M | Sell |
557,419
-9,319
| -2% | -$2.1M | 0.92% | 22 |
|
|
2018
Q2 | $118M | Buy |
566,738
+191,024
| +51% | +$37.7M | 0.88% | 26 |
|
|
2018
Q1 | $70.8M | Buy |
+375,714
| New | +$70.9M | 0.55% | 64 |
|
|
2016
Q4 | – | Sell |
-6,170
| Closed | -$941K | – | 265 |
|
|
2016
Q3 | $941K | Sell |
6,170
-586,915
| -99% | -$94.8M | 0.01% | 233 |
|
|
2016
Q2 | $93.1M | Sell |
593,085
-178,760
| -23% | -$27.1M | 0.77% | 41 |
|
|
2016
Q1 | $122M | Sell |
771,845
-25,237
| -3% | -$3.83M | 0.93% | 34 |
|
|
2015
Q4 | $129M | Buy |
797,082
+156,946
| +25% | +$24.8M | 0.87% | 33 |
|
|
2015
Q3 | $92.5M | Sell |
640,136
-56,338
| -8% | -$8.04M | 0.66% | 46 |
|
|
2015
Q2 | $94.1M | Sell |
696,474
-69,985
| -9% | -$10.1M | 0.57% | 59 |
|
|
2015
Q1 | $116M | Sell |
766,459
-469,723
| -38% | -$68.9M | 0.67% | 45 |
|
|
2014
Q4 | $175M | Buy |
1,236,182
+229,227
| +23% | +$31.2M | 1.03% | 19 |
|
|
2014
Q3 | $126M | Sell |
1,006,955
-14,829
| -1% | -$1.79M | 0.77% | 32 |
|
|
2014
Q2 | $118M | Sell |
1,021,784
-308,556
| -23% | -$35.4M | 0.7% | 42 |
|
|
2014
Q1 | $149M | Sell |
1,330,340
-42,794
| -3% | -$4.9M | 0.89% | 31 |
|
|
2013
Q4 | $163M | Sell |
1,373,134
-15,058
| -1% | -$1.8M | 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 | +$172M | 1.19% | 10 |
|
Other funds holding COST
Westfield Capital Management's COST Position: Q4 2025 in Review
Westfield Capital Management sold out of Costco (COST) in Q4 2025, closing a stake of 92,163 shares — an estimated $85.3M sold.
Westfield Capital Management first reported a position in COST in Q2 2013 and held it in 40 quarters. The position peaked at $175M in Q4 2014. 4,113 funds tracked by Wall St. Rank hold COST as of Q4 2025.
- Westfield Capital Management reported no remaining Costco position as of Q4 2025 after selling out during the quarter.
- Westfield Capital Management sold 92,163 Costco shares in Q4 2025, an estimated $85.3M.
- Westfield Capital Management first reported a position in Costco in Q2 2013 and held it in 40 quarters.
- Westfield Capital Management's Costco position peaked at $175M in Q4 2014.
- 4,113 funds tracked by Wall St. Rank held Costco as of Q4 2025.
Based on Westfield Capital Management's 13F filing for Q4 2025, filed 11 Feb 2026.