Swiss National Bank’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
$1.3B Buy
1,302,660
+88,200
+7% +$86M 0.75% 16
2025
Q4
$1.05B Sell
1,214,460
-63,940
-5% -$57.9M 0.62% 20
2025
Q3
$1.18B Sell
1,278,400
-64,600
-5% -$61.9M 0.69% 20
2025
Q2
$1.33B Buy
1,343,000
+91,000
+7% +$90.4M 0.8% 16
2025
Q1
$1.18B Buy
1,252,000
+300
+0% +$292K 0.84% 16
2024
Q4
$1.15B Sell
1,251,700
-64,200
-5% -$59.6M 0.76% 16
2024
Q3
$1.17B Buy
1,315,900
+2,800
+0.2% +$2.43M 0.76% 18
2024
Q2
$1.12B Sell
1,313,100
-15,700
-1% -$12.3M 0.77% 16
2024
Q1
$974M Sell
1,328,800
-55,600
-4% -$39.7M 0.68% 20
2023
Q4
$914M Sell
1,384,400
-41,100
-3% -$24.4M 0.67% 19
2023
Q3
$805M Sell
1,425,500
-176,200
-11% -$97.3M 0.63% 22
2023
Q2
$862M Sell
1,601,700
-154,800
-9% -$78.3M 0.59% 23
2023
Q1
$873M Sell
1,756,500
-43,800
-2% -$21.5M 0.6% 26
2022
Q4
$822M Sell
1,800,300
-119,699
-6% -$58.5M 0.59% 26
2022
Q3
$907M Sell
1,919,999
-3,600
-0.2% -$1.87M 0.65% 23
2022
Q2
$922M Buy
1,923,599
+9,900
+0.5% +$5.02M 0.62% 24
2022
Q1
$1.1B Buy
1,913,699
+233,400
+14% +$122M 0.62% 20
2021
Q4
$954M Sell
1,680,299
-69,500
-4% -$35.6M 0.57% 24
2021
Q3
$786M Sell
1,749,799
-56,500
-3% -$24.8M 0.5% 32
2021
Q2
$715M Buy
1,806,299
+50,181
+3% +$19M 0.44% 40
2021
Q1
$619M Buy
1,756,118
+30,200
+2% +$10.5M 0.41% 45
2020
Q4
$650M Sell
1,725,918
-50,100
-3% -$18.7M 0.46% 41
2020
Q3
$630M Sell
1,776,018
-28,500
-2% -$9.58M 0.49% 36
2020
Q2
$547M Buy
1,804,518
+29,300
+2% +$8.91M 0.46% 41
2020
Q1
$506M Buy
1,775,218
+335,000
+23% +$102M 0.54% 36
2019
Q4
$423M Sell
1,440,218
-64,700
-4% -$19.2M 0.43% 41
2019
Q3
$434M Buy
1,504,918
+13,710
+0.9% +$3.86M 0.46% 36
2019
Q2
$394M Sell
1,491,208
-28,300
-2% -$7.05M 0.43% 40
2019
Q1
$368M Buy
1,519,508
+38,600
+3% +$8.44M 0.4% 49
2018
Q4
$302M Buy
1,480,908
+23,600
+2% +$5.27M 0.39% 51
2018
Q3
$342M Sell
1,457,308
-52,500
-3% -$11.8M 0.38% 48
2018
Q2
$316M Buy
1,509,808
+50,000
+3% +$9.88M 0.36% 54
2018
Q1
$275M Sell
1,459,808
-209,600
-13% -$39.5M 0.34% 60
2017
Q4
$311M Buy
1,669,408
+4,000
+0.2% +$691K 0.34% 58
2017
Q3
$274M Buy
1,665,408
+12,100
+0.7% +$1.9M 0.31% 61
2017
Q2
$264M Buy
1,653,308
+56,300
+4% +$9.7M 0.31% 66
2017
Q1
$268M Buy
1,597,008
+331,400
+26% +$55.5M 0.33% 59
2016
Q4
$203M Buy
1,265,608
+5,600
+0.4% +$855K 0.32% 61
2016
Q3
$192M Sell
1,260,008
-18,000
-1% -$2.91M 0.31% 69
2016
Q2
$201M Buy
1,278,008
+95,800
+8% +$14.5M 0.32% 63
2016
Q1
$179M Buy
1,182,208
+336,500
+40% +$51M 0.33% 65
2015
Q4
$137M Buy
845,708
+60,700
+8% +$9.59M 0.33% 65
2015
Q3
$113M Buy
785,008
+74,300
+10% +$10.6M 0.29% 77
2015
Q2
$96M Buy
710,708
+43,800
+7% +$6.3M 0.25% 88
2015
Q1
$101M Buy
666,908
+259,900
+64% +$38.1M 0.27% 86
2014
Q4
$57.7M Sell
407,008
-14,600
-3% -$1.98M 0.22% 115
2014
Q3
$52.8M Sell
421,608
-7,000
-2% -$846K 0.2% 115
2014
Q2
$49.4M Buy
428,608
+5,100
+1% +$585K 0.18% 136
2014
Q1
$47.3M Sell
423,508
-41,800
-9% -$4.78M 0.19% 138
2013
Q4
$55.4M Sell
465,308
-7,200
-2% -$861K 0.22% 115
2013
Q3
$54.4M Buy
472,508
+8,900
+2% +$1.03M 0.23% 110
2013
Q2
$51.3M Buy
+463,608
New +$50.7M 0.23% 113

Other funds holding COST

Swiss National Bank's COST Position: Q1 2026 in Review

Swiss National Bank increased its Costco (COST) stake by 7.3% in Q1 2026, buying an estimated $86M and bringing the position to 1,302,660 shares worth $1.3B. The position accounts for 0.75% of the portfolio, ranked #16.

Swiss National Bank first reported a position in COST in Q2 2013 and has held it in 52 quarters since. The position peaked at $1.33B in Q2 2025. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Swiss National Bank held 1,302,660 shares of Costco worth $1.3B as of Q1 2026.
  • Swiss National Bank bought 88,200 Costco shares in Q1 2026, an estimated $86M.
  • Costco made up 0.75% of Swiss National Bank's portfolio in Q1 2026, its #16 holding.
  • Swiss National Bank first reported a position in Costco in Q2 2013 and has held it in 52 quarters since.
  • Swiss National Bank's Costco position peaked at $1.33B in Q2 2025.
  • 4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Swiss National Bank's 13F filing for Q1 2026, filed 7 May 2026.