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
Q1 | $748M | Sell |
750,600
-70,500
| -9% | -$68.7M | 0.1% | 133 |
|
|
2025
Q4 | $708M | Sell |
821,100
-64,300
| -7% | -$58.3M | 0.11% | 124 |
|
|
2025
Q3 | $820M | Buy |
885,400
+123,700
| +16% | +$119M | 0.12% | 105 |
|
|
2025
Q2 | $754M | Buy |
761,700
+33,100
| +5% | +$32.9M | 0.15% | 81 |
|
|
2025
Q1 | $689M | Buy |
728,600
+250,600
| +52% | +$244M | 0.17% | 67 |
|
|
2024
Q4 | $438M | Sell |
478,000
-216,100
| -31% | -$201M | 0.1% | 118 |
|
|
2024
Q3 | $615M | Buy |
694,100
+255,100
| +58% | +$221M | 0.14% | 80 |
|
|
2024
Q2 | $373M | Sell |
439,000
-496,000
| -53% | -$387M | 0.09% | 114 |
|
|
2024
Q1 | $685M | Buy |
935,000
+241,000
| +35% | +$172M | 0.14% | 68 |
|
|
2023
Q4 | $458M | Buy |
694,000
+233,100
| +51% | +$138M | 0.12% | 90 |
|
|
2023
Q3 | $260M | Buy |
460,900
+136,800
| +42% | +$75.5M | 0.08% | 120 |
|
|
2023
Q2 | $174M | Buy |
324,100
+67,000
| +26% | +$33.9M | 0.06% | 191 |
|
|
2023
Q1 | $128M | Sell |
257,100
-177,300
| -41% | -$87M | 0.05% | 238 |
|
|
2022
Q4 | $198M | Sell |
434,400
-304,500
| -41% | -$149M | 0.09% | 141 |
|
|
2022
Q3 | $349M | Sell |
738,900
-64,400
| -8% | -$33.5M | 0.15% | 69 |
|
|
2022
Q2 | $385M | Buy |
803,300
+257,800
| +47% | +$131M | 0.16% | 64 |
|
|
2022
Q1 | $314M | Sell |
545,500
-166,600
| -23% | -$87.4M | 0.1% | 109 |
|
|
2021
Q4 | $404M | Buy |
712,100
+107,800
| +18% | +$55.2M | 0.13% | 78 |
|
|
2021
Q3 | $272M | Buy |
604,300
+173,300
| +40% | +$76.2M | 0.1% | 117 |
|
|
2021
Q2 | $171M | Sell |
431,000
-22,100
| -5% | -$8.36M | 0.07% | 198 |
|
|
2021
Q1 | $160M | Sell |
453,100
-105,500
| -19% | -$36.7M | 0.08% | 177 |
|
|
2020
Q4 | $210M | Buy |
558,600
+86,800
| +18% | +$32.4M | 0.11% | 121 |
|
|
2020
Q3 | $167M | Sell |
471,800
-33,400
| -7% | -$11.2M | 0.1% | 127 |
|
|
2020
Q2 | $153M | Sell |
505,200
-51,900
| -9% | -$15.8M | 0.12% | 131 |
|
|
2020
Q1 | $159M | Buy |
557,100
+199,000
| +56% | +$60.4M | 0.16% | 88 |
|
|
2019
Q4 | $105M | Buy |
358,100
+20,700
| +6% | +$6.15M | 0.15% | 90 |
|
|
2019
Q3 | $97.2M | Buy |
337,400
+6,400
| +2% | +$1.8M | 0.16% | 94 |
|
|
2019
Q2 | $87.5M | Buy |
331,000
+44,400
| +15% | +$11.1M | 0.15% | 94 |
|
|
2019
Q1 | $69.4M | Buy |
286,600
+76,600
| +36% | +$16.8M | 0.11% | 129 |
|
|
2018
Q4 | $42.8M | Buy |
210,000
+110,400
| +111% | +$24.7M | 0.09% | 160 |
|
|
2018
Q3 | $23.4M | Sell |
99,600
-338,600
| -77% | -$76.3M | 0.05% | 292 |
|
|
2018
Q2 | $91.6M | Buy |
438,200
+252,500
| +136% | +$49.9M | 0.22% | 63 |
|
|
2018
Q1 | $35M | Buy |
185,700
+7,600
| +4% | +$1.43M | 0.09% | 171 |
|
|
2017
Q4 | $33.1M | Buy |
178,100
+23,500
| +15% | +$4.06M | 0.1% | 185 |
|
|
2017
Q3 | $25.4M | Sell |
154,600
-524,600
| -77% | -$82.4M | 0.08% | 217 |
|
|
2017
Q2 | $109M | Buy |
679,200
+608,500
| +861% | +$105M | 0.38% | 48 |
|
|
2017
Q1 | $11.9M | Buy |
70,700
+55,900
| +378% | +$9.37M | 0.05% | 325 |
|
|
2016
Q4 | $2.37M | Sell |
14,800
-13,000
| -47% | -$1.98M | 0.01% | 1175 |
|
|
2016
Q3 | $4.24M | Buy |
27,800
+4,400
| +19% | +$711K | 0.02% | 685 |
|
|
2016
Q2 | $3.67M | Buy |
23,400
+5,400
| +30% | +$818K | 0.02% | 796 |
|
|
2016
Q1 | $2.84M | Sell |
18,000
-10,200
| -36% | -$1.55M | 0.02% | 906 |
|
|
2015
Q4 | $4.55M | Sell |
28,200
-107,200
| -79% | -$16.9M | 0.03% | 540 |
|
|
2015
Q3 | $19.6M | Buy |
135,400
+113,600
| +521% | +$16.2M | 0.12% | 131 |
|
|
2015
Q2 | $2.94M | Sell |
21,800
-2,600
| -11% | -$374K | 0.02% | 750 |
|
|
2015
Q1 | $3.7M | Buy |
+24,400
| New | +$3.58M | 0.03% | 532 |
|
Other funds holding COST
VCM
VPM
DAM
Jane Street's COST Position: Q1 2026 in Review
Jane Street reduced its Costco (COST) stake by 70% in Q1 2026, selling an estimated $71.1M and leaving 30,668 shares worth $30.6M. The position accounts for ﹤0.01% of the portfolio, ranked #1423.
Jane Street first reported a position in COST in Q2 2013 and has held it in 49 quarters since. The position peaked at $389M in Q3 2025. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.
- Jane Street held 30,668 shares of Costco worth $30.6M as of Q1 2026.
- Jane Street sold 72,983 Costco shares in Q1 2026, an estimated $71.1M.
- Costco made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #1423 holding.
- Jane Street first reported a position in Costco in Q2 2013 and has held it in 49 quarters since.
- Jane Street's Costco position peaked at $389M in Q3 2025.
- 4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.
Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.