State of Wisconsin Investment Board’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 | $240M | Buy |
240,394
+8,151
| +4% | +$7.94M | 0.55% | 23 |
|
|
2025
Q4 | $200M | Sell |
232,243
-4,643
| -2% | -$4.21M | 0.45% | 29 |
|
|
2025
Q3 | $219M | Sell |
236,886
-8,529
| -3% | -$8.18M | 0.5% | 27 |
|
|
2025
Q2 | $243M | Sell |
245,415
-18,752
| -7% | -$18.6M | 0.59% | 22 |
|
|
2025
Q1 | $250M | Buy |
264,167
+9,506
| +4% | +$9.27M | 0.65% | 20 |
|
|
2024
Q4 | $233M | Sell |
254,661
-11,733
| -4% | -$10.9M | 0.6% | 22 |
|
|
2024
Q3 | $236M | Buy |
266,394
+11,134
| +4% | +$9.66M | 0.59% | 21 |
|
|
2024
Q2 | $217M | Buy |
255,260
+5,481
| +2% | +$4.28M | 0.57% | 20 |
|
|
2024
Q1 | $183M | Buy |
249,779
+7,341
| +3% | +$5.24M | 0.48% | 33 |
|
|
2023
Q4 | $160M | Buy |
242,438
+6,646
| +3% | +$3.94M | 0.45% | 36 |
|
|
2023
Q3 | $133M | Sell |
235,792
-12,952
| -5% | -$7.15M | 0.42% | 39 |
|
|
2023
Q2 | $134M | Sell |
248,744
-31,048
| -11% | -$15.7M | 0.38% | 42 |
|
|
2023
Q1 | $139M | Buy |
279,792
+54,068
| +24% | +$26.5M | 0.41% | 39 |
|
|
2022
Q4 | $103M | Sell |
225,724
-26,572
| -11% | -$13M | 0.33% | 53 |
|
|
2022
Q3 | $119M | Sell |
252,296
-58,036
| -19% | -$30.2M | 0.38% | 43 |
|
|
2022
Q2 | $149M | Sell |
310,332
-10,945
| -3% | -$5.55M | 0.39% | 41 |
|
|
2022
Q1 | $185M | Sell |
321,277
-30,260
| -9% | -$15.9M | 0.38% | 35 |
|
|
2021
Q4 | $200M | Sell |
351,537
-2,265
| -0.6% | -$1.16M | 0.39% | 37 |
|
|
2021
Q3 | $159M | Buy |
353,802
+63,942
| +22% | +$28.1M | 0.33% | 48 |
|
|
2021
Q2 | $115M | Sell |
289,860
-37,955
| -12% | -$14.4M | 0.24% | 89 |
|
|
2021
Q1 | $116M | Buy |
327,815
+14,606
| +5% | +$5.08M | 0.25% | 95 |
|
|
2020
Q4 | $118M | Sell |
313,209
-30,448
| -9% | -$11.4M | 0.27% | 78 |
|
|
2020
Q3 | $122M | Sell |
343,657
-30,082
| -8% | -$10.1M | 0.3% | 62 |
|
|
2020
Q2 | $113M | Buy |
373,739
+17,300
| +5% | +$5.26M | 0.31% | 63 |
|
|
2020
Q1 | $102M | Buy |
356,439
+30,025
| +9% | +$9.11M | 0.34% | 58 |
|
|
2019
Q4 | $95.9M | Sell |
326,414
-25,431
| -7% | -$7.56M | 0.24% | 92 |
|
|
2019
Q3 | $101M | Sell |
351,845
-95,720
| -21% | -$26.9M | 0.28% | 80 |
|
|
2019
Q2 | $118M | Sell |
447,565
-36,460
| -8% | -$9.09M | 0.33% | 60 |
|
|
2019
Q1 | $117M | Buy |
484,025
+28,955
| +6% | +$6.33M | 0.33% | 59 |
|
|
2018
Q4 | $92.7M | Sell |
455,070
-35,243
| -7% | -$7.87M | 0.3% | 74 |
|
|
2018
Q3 | $115M | Buy |
490,313
+42,275
| +9% | +$9.52M | 0.32% | 65 |
|
|
2018
Q2 | $93.6M | Sell |
448,038
-23,382
| -5% | -$4.62M | 0.27% | 77 |
|
|
2018
Q1 | $88.8M | Sell |
471,420
-10,395
| -2% | -$1.96M | 0.26% | 89 |
|
|
2017
Q4 | $89.7M | Sell |
481,815
-29,913
| -6% | -$5.16M | 0.25% | 89 |
|
|
2017
Q3 | $84.1M | Buy |
511,728
+16,066
| +3% | +$2.52M | 0.25% | 86 |
|
|
2017
Q2 | $79.3M | Buy |
495,662
+158,480
| +47% | +$27.3M | 0.26% | 84 |
|
|
2017
Q1 | $56.5M | Buy |
337,182
+66,141
| +24% | +$11.1M | 0.22% | 100 |
|
|
2016
Q4 | $43.4M | Sell |
271,041
-2,908
| -1% | -$444K | 0.19% | 120 |
|
|
2016
Q3 | $41.8M | Sell |
273,949
-8,700
| -3% | -$1.41M | 0.16% | 129 |
|
|
2016
Q2 | $44.4M | Sell |
282,649
-135,260
| -32% | -$20.5M | 0.18% | 122 |
|
|
2016
Q1 | $65.9M | Buy |
417,909
+69,530
| +20% | +$10.5M | 0.26% | 79 |
|
|
2015
Q4 | $56.3M | Sell |
348,379
-40,220
| -10% | -$6.36M | 0.22% | 94 |
|
|
2015
Q3 | $56.2M | Buy |
388,599
+80,700
| +26% | +$11.5M | 0.22% | 95 |
|
|
2015
Q2 | $41.6M | Buy |
307,899
+104,402
| +51% | +$15M | 0.15% | 159 |
|
|
2015
Q1 | $30.8M | Sell |
203,497
-224,940
| -53% | -$33M | 0.11% | 231 |
|
|
2014
Q4 | $60.7M | Buy |
428,437
+223,580
| +109% | +$30.4M | 0.21% | 104 |
|
|
2014
Q3 | $25.7M | Sell |
204,857
-192,820
| -48% | -$23.3M | 0.09% | 265 |
|
|
2014
Q2 | $45.8M | Sell |
397,677
-100,467
| -20% | -$11.5M | 0.16% | 138 |
|
|
2014
Q1 | $55.6M | Buy |
498,144
+269,702
| +118% | +$30.9M | 0.21% | 93 |
|
|
2013
Q4 | $27.2M | Sell |
228,442
-47,560
| -17% | -$5.69M | 0.1% | 225 |
|
|
2013
Q3 | $31.8M | Sell |
276,002
-166,137
| -38% | -$19.2M | 0.13% | 179 |
|
|
2013
Q2 | $48.9M | Buy |
+442,139
| New | +$48.3M | 0.2% | 103 |
|
Other funds holding COST
VCM
VPM
DAM
State of Wisconsin Investment Board's COST Position: Q1 2026 in Review
State of Wisconsin Investment Board increased its Costco (COST) stake by 3.5% in Q1 2026, buying an estimated $7.94M and bringing the position to 240,394 shares worth $240M. The position accounts for 0.55% of the portfolio, ranked #23.
State of Wisconsin Investment Board first reported a position in COST in Q2 2013 and has held it in 52 quarters since. The position peaked at $250M in Q1 2025. 4,247 funds tracked by Wall St. Rank hold COST as of Q1 2026.
- State of Wisconsin Investment Board held 240,394 shares of Costco worth $240M as of Q1 2026.
- State of Wisconsin Investment Board bought 8,151 Costco shares in Q1 2026, an estimated $7.94M.
- Costco made up 0.55% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #23 holding.
- State of Wisconsin Investment Board first reported a position in Costco in Q2 2013 and has held it in 52 quarters since.
- State of Wisconsin Investment Board's Costco position peaked at $250M in Q1 2025.
- 4,247 funds tracked by Wall St. Rank held Costco as of Q1 2026.
Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.