Tower Research Capital (TRC)’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
$19.8M Sell
19,913
-14,263
-42% -$13.9M 0.52% 25
2025
Q4
$29.5M Buy
34,176
+9,672
+39% +$8.76M 0.71% 18
2025
Q3
$22.7M Buy
24,504
+8,122
+50% +$7.79M 0.63% 18
2025
Q2
$16.2M Buy
16,382
+8,833
+117% +$8.78M 0.44% 30
2025
Q1
$6.82M Sell
7,549
-33,952
-82% -$33.1M 0.2% 72
2024
Q4
$38M Buy
41,501
+24,310
+141% +$22.6M 0.75% 17
2024
Q3
$15.2M Sell
17,191
-36,744
-68% -$31.9M 0.4% 30
2024
Q2
$45.8M Buy
53,935
+15,980
+42% +$12.5M 0.77% 12
2024
Q1
$27.8M Sell
37,955
-31,777
-46% -$22.7M 0.67% 16
2023
Q4
$46M Buy
69,732
+35,492
+104% +$21M 0.57% 23
2023
Q3
$19.3M Buy
34,240
+12,839
+60% +$7.09M 0.61% 18
2023
Q2
$11.5M Buy
21,401
+9,123
+74% +$4.62M 0.38% 25
2023
Q1
$6.1M Sell
12,278
-4,593
-27% -$2.25M 0.19% 57
2022
Q4
$7.7M Sell
16,871
-76,063
-82% -$37.2M 0.32% 36
2022
Q3
$43.9M Buy
92,934
+31,600
+52% +$16.4M 0.71% 16
2022
Q2
$29.4M Sell
61,334
-92,552
-60% -$47M 0.66% 18
2022
Q1
$88.6M Buy
153,886
+89,913
+141% +$47.2M 0.85% 12
2021
Q4
$36.3M Buy
63,973
+39,354
+160% +$20.2M 0.63% 22
2021
Q3
$11.1M Sell
24,619
-7,575
-24% -$3.33M 0.28% 46
2021
Q2
$12.7M Sell
32,194
-36,620
-53% -$13.8M 0.33% 43
2021
Q1
$24.3M Buy
68,814
+56,472
+458% +$19.7M 0.41% 43
2020
Q4
$4.65M Sell
12,342
-8,819
-42% -$3.3M 0.14% 74
2020
Q3
$7.51M Buy
21,161
+11,444
+118% +$3.85M 0.08% 41
2020
Q2
$2.95M Buy
9,717
+6,710
+223% +$2.04M 0.12% 130
2020
Q1
$857K Buy
3,007
+2,482
+473% +$753K 0.05% 269
2019
Q4
$154K Sell
525
-8,480
-94% -$2.52M 0.01% 714
2019
Q3
$2.6M Buy
9,005
+7,727
+605% +$2.17M 0.18% 90
2019
Q2
$338K Sell
1,278
-8,416
-87% -$2.1M 0.02% 637
2019
Q1
$2.35M Sell
9,694
-3,916
-29% -$857K 0.14% 103
2018
Q4
$2.77M Buy
+13,610
New +$3.04M 0.2% 108
2018
Q3
Sell
-17,587
Closed -$3.67M 3822
2018
Q2
$3.67M Buy
+17,587
New +$3.47M 0.21% 90
2018
Q1
Sell
-9,851
Closed -$1.83M 3333
2017
Q4
$1.83M Buy
9,851
+8,352
+557% +$1.44M 0.24% 86
2017
Q3
$246K Buy
+1,499
New +$235K 0.02% 613
2017
Q1
Sell
-8,227
Closed -$1.32M 3160
2016
Q4
$1.32M Buy
8,227
+7,024
+584% +$1.07M 0.14% 161
2016
Q3
$184K Sell
1,203
-3,311
-73% -$535K 0.02% 524
2016
Q2
$709K Sell
4,514
-4,304
-49% -$652K 0.07% 199
2016
Q1
$1.39M Buy
8,818
+8,730
+9,920% +$1.32M 0.21% 83
2015
Q4
$14K Buy
+88
New +$13.9K ﹤0.01% 1677
2015
Q3
Sell
-651
Closed -$88K 4092
2015
Q2
$88K Sell
651
-605
-48% -$87K 0.01% 942
2015
Q1
$190K Buy
1,256
+683
+119% +$100K 0.02% 440
2014
Q4
$81K Sell
573
-11,757
-95% -$1.6M 0.01% 793
2014
Q3
$1.54M Buy
12,330
+7,429
+152% +$898K 0.17% 114
2014
Q2
$564K Buy
4,901
+3,784
+339% +$434K 0.07% 224
2014
Q1
$125K Sell
1,117
-533
-32% -$61K 0.02% 598
2013
Q4
$196K Sell
1,650
-19,574
-92% -$2.34M 0.03% 525
2013
Q3
$2.44M Buy
21,224
+20,721
+4,119% +$2.39M 0.26% 80
2013
Q2
$56K Buy
+503
New +$55K ﹤0.01% 835

Other funds holding COST

Tower Research Capital (TRC)'s COST Position: Q1 2026 in Review

Tower Research Capital (TRC) reduced its Costco (COST) stake by 42% in Q1 2026, selling an estimated $13.9M and leaving 19,913 shares worth $19.8M. The position accounts for 0.52% of the portfolio, ranked #25.

Tower Research Capital (TRC) first reported a position in COST in Q2 2013 and has held it in 47 quarters since. The position peaked at $88.6M in Q1 2022. 4,238 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Tower Research Capital (TRC) held 19,913 shares of Costco worth $19.8M as of Q1 2026.
  • Tower Research Capital (TRC) sold 14,263 Costco shares in Q1 2026, an estimated $13.9M.
  • Costco made up 0.52% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #25 holding.
  • Tower Research Capital (TRC) first reported a position in Costco in Q2 2013 and has held it in 47 quarters since.
  • Tower Research Capital (TRC)'s Costco position peaked at $88.6M in Q1 2022.
  • 4,238 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.