Jane Street’s Costco COST Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $57.6M | Buy |
61,569
+30,901
| +101% | +$30.8M | ﹤0.01% | 1308 |
|
|
2026
Q1 | $30.6M | Sell |
30,668
-72,983
| -70% | -$71.1M | ﹤0.01% | 1423 |
|
|
2025
Q4 | $89.4M | Sell |
103,651
-316,989
| -75% | -$287M | 0.01% | 634 |
|
|
2025
Q3 | $389M | Buy |
420,640
+261,034
| +164% | +$250M | 0.06% | 214 |
|
|
2025
Q2 | $158M | Sell |
159,606
-25,608
| -14% | -$25.5M | 0.03% | 341 |
|
|
2025
Q1 | $175M | Buy |
185,214
+139,631
| +306% | +$136M | 0.04% | 250 |
|
|
2024
Q4 | $41.8M | Sell |
45,583
-27,299
| -37% | -$25.3M | 0.01% | 785 |
|
|
2024
Q3 | $64.6M | Sell |
72,882
-108,743
| -60% | -$94.4M | 0.01% | 565 |
|
|
2024
Q2 | $154M | Sell |
181,625
-31,308
| -15% | -$24.4M | 0.04% | 268 |
|
|
2024
Q1 | $156M | Buy |
212,933
+12,030
| +6% | +$8.59M | 0.03% | 268 |
|
|
2023
Q4 | $133M | Sell |
200,903
-13,657
| -6% | -$8.09M | 0.03% | 315 |
|
|
2023
Q3 | $121M | Sell |
214,560
-125,892
| -37% | -$69.5M | 0.04% | 272 |
|
|
2023
Q2 | $183M | Buy |
340,452
+216,278
| +174% | +$109M | 0.06% | 183 |
|
|
2023
Q1 | $61.7M | Buy |
124,174
+79,829
| +180% | +$39.2M | 0.03% | 443 |
|
|
2022
Q4 | $20.2M | Buy |
44,345
+3,092
| +7% | +$1.51M | 0.01% | 1000 |
|
|
2022
Q3 | $19.5M | Sell |
41,253
-49,215
| -54% | -$25.6M | 0.01% | 1093 |
|
|
2022
Q2 | $43.4M | Sell |
90,468
-90,470
| -50% | -$45.9M | 0.02% | 619 |
|
|
2022
Q1 | $104M | Sell |
180,938
-143,600
| -44% | -$75.4M | 0.03% | 373 |
|
|
2021
Q4 | $184M | Buy |
324,538
+283,581
| +692% | +$145M | 0.06% | 198 |
|
|
2021
Q3 | $18.4M | Sell |
40,957
-48,508
| -54% | -$21.3M | 0.01% | 1192 |
|
|
2021
Q2 | $35.4M | Sell |
89,465
-98,285
| -52% | -$37.2M | 0.01% | 717 |
|
|
2021
Q1 | $66.2M | Sell |
187,750
-110,499
| -37% | -$38.5M | 0.03% | 396 |
|
|
2020
Q4 | $112M | Buy |
298,249
+182,640
| +158% | +$68.2M | 0.06% | 217 |
|
|
2020
Q3 | $41M | Sell |
115,609
-39,401
| -25% | -$13.2M | 0.02% | 463 |
|
|
2020
Q2 | $47M | Buy |
155,010
+31,430
| +25% | +$9.56M | 0.04% | 380 |
|
|
2020
Q1 | $35.2M | Sell |
123,580
-30,268
| -20% | -$9.18M | 0.03% | 310 |
|
|
2019
Q4 | $45.2M | Buy |
153,848
+57,260
| +59% | +$17M | 0.06% | 199 |
|
|
2019
Q3 | $27.8M | Buy |
96,588
+58,228
| +152% | +$16.4M | 0.05% | 280 |
|
|
2019
Q2 | $10.1M | Sell |
38,360
-250,054
| -87% | -$62.3M | 0.02% | 623 |
|
|
2019
Q1 | $69.8M | Buy |
288,414
+197,780
| +218% | +$43.3M | 0.11% | 127 |
|
|
2018
Q4 | $18.5M | Buy |
90,634
+40,204
| +80% | +$8.98M | 0.04% | 345 |
|
|
2018
Q3 | $11.8M | Sell |
50,430
-6,473
| -11% | -$1.46M | 0.02% | 515 |
|
|
2018
Q2 | $11.9M | Sell |
56,903
-29,275
| -34% | -$5.78M | 0.03% | 516 |
|
|
2018
Q1 | $16.2M | Buy |
86,178
+62,539
| +265% | +$11.8M | 0.04% | 355 |
|
|
2017
Q4 | $4.4M | Sell |
23,639
-27,269
| -54% | -$4.71M | 0.01% | 958 |
|
|
2017
Q3 | $8.36M | Sell |
50,908
-78,116
| -61% | -$12.3M | 0.03% | 591 |
|
|
2017
Q2 | $20.6M | Buy |
129,024
+92,790
| +256% | +$16M | 0.07% | 240 |
|
|
2017
Q1 | $6.08M | Buy |
36,234
+10,941
| +43% | +$1.83M | 0.03% | 599 |
|
|
2016
Q4 | $4.05M | Sell |
25,293
-348,529
| -93% | -$53.2M | 0.02% | 806 |
|
|
2016
Q3 | $57M | Buy |
373,822
+308,185
| +470% | +$49.8M | 0.27% | 64 |
|
|
2016
Q2 | $10.3M | Buy |
65,637
+28,191
| +75% | +$4.27M | 0.05% | 332 |
|
|
2016
Q1 | $5.9M | Buy |
37,446
+3,497
| +10% | +$530K | 0.03% | 487 |
|
|
2015
Q4 | $5.48M | Buy |
33,949
+18,829
| +125% | +$2.98M | 0.03% | 451 |
|
|
2015
Q3 | $2.19M | Buy |
+15,120
| New | +$2.16M | 0.01% | 903 |
|
|
2015
Q2 | – | Sell |
-107,072
| Closed | -$15.4M | – | 3661 |
|
|
2015
Q1 | $16.2M | Buy |
107,072
+102,615
| +2,302% | +$15.1M | 0.13% | 137 |
|
|
2014
Q4 | $632K | Buy |
+4,457
| New | +$606K | ﹤0.01% | 1337 |
|
|
2014
Q3 | – | Sell |
-18,511
| Closed | -$2.13M | – | 2586 |
|
|
2014
Q2 | $2.13M | Buy |
18,511
+9,387
| +103% | +$1.08M | 0.03% | 521 |
|
|
2014
Q1 | $1.02M | Buy |
+9,124
| New | +$1.04M | 0.01% | 953 |
|
|
2013
Q4 | – | Sell |
-14,545
| Closed | -$1.68M | – | 2405 |
|
|
2013
Q3 | $1.68M | Sell |
14,545
-5,697
| -28% | -$658K | 0.02% | 695 |
|
|
2013
Q2 | $2.24M | Buy |
+20,242
| New | +$2.21M | 0.04% | 412 |
|
Other funds holding COST
Jane Street's COST Position: Q2 2026 in Review
Jane Street increased its Costco (COST) stake by 101% in Q2 2026, buying an estimated $30.8M and bringing the position to 61,569 shares worth $57.6M. The position accounts for ﹤0.01% of the portfolio, ranked #1308.
Jane Street first reported a position in COST in Q2 2013 and has held it in 50 quarters since. The position peaked at $389M in Q3 2025. 4,065 funds tracked by Wall St. Rank hold COST as of Q2 2026.
- Jane Street held 61,569 shares of Costco worth $57.6M as of Q2 2026.
- Jane Street bought 30,901 Costco shares in Q2 2026, an estimated $30.8M.
- Costco made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #1308 holding.
- Jane Street first reported a position in Costco in Q2 2013 and has held it in 50 quarters since.
- Jane Street's Costco position peaked at $389M in Q3 2025.
- 4,065 funds tracked by Wall St. Rank held Costco as of Q2 2026.
Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.