Rafferty Asset Management’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
$38.4M Sell
38,530
-13,340
-26% -$13M 0.16% 76
2025
Q4
$44.7M Buy
51,870
+842
+2% +$763K 0.15% 85
2025
Q3
$47.2M Buy
51,028
+1,054
+2% +$1.01M 0.15% 85
2025
Q2
$49.5M Buy
49,974
+5,064
+11% +$5.03M 0.16% 78
2025
Q1
$42.5M Sell
44,910
-7,438
-14% -$7.25M 0.18% 77
2024
Q4
$48M Buy
52,348
+4,718
+10% +$4.38M 0.17% 77
2024
Q3
$42.2M Sell
47,630
-3,098
-6% -$2.69M 0.14% 78
2024
Q2
$43.1M Sell
50,728
-840
-2% -$655K 0.16% 75
2024
Q1
$37.8M Sell
51,568
-566
-1% -$404K 0.14% 83
2023
Q4
$34.4M Buy
52,134
+3,148
+6% +$1.87M 0.15% 84
2023
Q3
$27.7M Buy
48,986
+4,619
+10% +$2.55M 0.16% 81
2023
Q2
$23.9M Buy
44,367
+5,873
+15% +$2.97M 0.13% 98
2023
Q1
$19.1M Buy
38,494
+3,298
+9% +$1.62M 0.13% 113
2022
Q4
$16.1M Buy
35,196
+8,579
+32% +$4.19M 0.13% 119
2022
Q3
$12.6M Buy
26,617
+11,557
+77% +$6.01M 0.13% 116
2022
Q2
$7.22M Buy
15,060
+2,258
+18% +$1.15M 0.07% 209
2022
Q1
$7.37M Buy
12,802
+3,548
+38% +$1.86M 0.04% 256
2021
Q4
$5.25M Sell
9,254
-1,969
-18% -$1.01M 0.03% 375
2021
Q3
$5.04M Sell
11,223
-1,159
-9% -$509K 0.03% 300
2021
Q2
$4.9M Sell
12,382
-828
-6% -$313K 0.03% 324
2021
Q1
$4.66M Buy
13,210
+2,258
+21% +$786K 0.03% 296
2020
Q4
$4.13M Buy
10,952
+805
+8% +$301K 0.04% 269
2020
Q3
$3.6M Sell
10,147
-1,809
-15% -$608K 0.04% 237
2020
Q2
$3.63M Buy
11,956
+2,138
+22% +$650K 0.05% 231
2020
Q1
$2.8M Sell
9,818
-156
-2% -$47.3K 0.12% 101
2019
Q4
$2.93M Buy
9,974
+782
+9% +$232K 0.05% 225
2019
Q3
$2.65M Sell
9,192
-2,866
-24% -$806K 0.04% 256
2019
Q2
$3.19M Buy
12,058
+1,568
+15% +$391K 0.06% 247
2019
Q1
$2.54M Buy
10,490
+1,815
+21% +$397K 0.04% 282
2018
Q4
$1.77M Sell
8,675
-1,052
-11% -$235K 0.04% 227
2018
Q3
$2.29M Buy
9,727
+773
+9% +$174K 0.04% 244
2018
Q2
$1.87M Sell
8,954
-654
-7% -$129K 0.03% 304
2018
Q1
$1.81M Buy
9,608
+308
+3% +$58.1K 0.03% 310
2017
Q4
$1.73M Sell
9,300
-333
-3% -$57.5K 0.03% 292
2017
Q3
$1.58M Sell
9,633
-3,450
-26% -$542K 0.04% 283
2017
Q2
$2.09M Buy
13,083
+1,062
+9% +$183K 0.06% 204
2017
Q1
$2.02M Buy
12,021
+5,744
+92% +$963K 0.04% 199
2016
Q4
$1M Buy
6,277
+620
+11% +$94.6K 0.05% 183
2016
Q3
$863K Buy
5,657
+1,109
+24% +$179K 0.03% 199
2016
Q2
$714K Sell
4,548
-1,882
-29% -$285K 0.05% 248
2016
Q1
$1.01M Sell
6,430
-13,410
-68% -$2.03M 0.06% 236
2015
Q4
$3.23M Buy
19,840
+1,229
+7% +$194K 0.39% 51
2015
Q3
$2.69M Buy
18,611
+1,477
+9% +$211K 0.21% 96
2015
Q2
$2.31M Sell
17,134
-46
-0.3% -$6.61K 0.16% 81
2015
Q1
$2.6M Buy
17,180
+5,319
+45% +$780K 0.2% 72
2014
Q4
$1.68M Buy
11,861
+5,261
+80% +$715K 0.38% 48
2014
Q3
$827K Buy
6,600
+3,318
+101% +$401K 0.09% 80
2014
Q2
$378K Sell
3,282
-2,066
-39% -$237K 0.07% 200
2014
Q1
$597K Sell
5,348
-2,660
-33% -$304K 0.12% 68
2013
Q4
$953K Buy
8,008
+4,648
+138% +$556K 0.23% 43
2013
Q3
$387K Buy
+3,360
New +$388K 0.07% 91

Other funds holding COST

Rafferty Asset Management's COST Position: Q1 2026 in Review

Rafferty Asset Management reduced its Costco (COST) stake by 26% in Q1 2026, selling an estimated $13M and leaving 38,530 shares worth $38.4M. The position accounts for 0.16% of the portfolio, ranked #76.

Rafferty Asset Management first reported a position in COST in Q3 2013 and has held it in 51 quarters since. The position peaked at $49.5M in Q2 2025. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Rafferty Asset Management held 38,530 shares of Costco worth $38.4M as of Q1 2026.
  • Rafferty Asset Management sold 13,340 Costco shares in Q1 2026, an estimated $13M.
  • Costco made up 0.16% of Rafferty Asset Management's portfolio in Q1 2026, its #76 holding.
  • Rafferty Asset Management first reported a position in Costco in Q3 2013 and has held it in 51 quarters since.
  • Rafferty Asset Management's Costco position peaked at $49.5M in Q2 2025.
  • 4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Rafferty Asset Management's 13F filing for Q1 2026, filed 15 May 2026.