William Frels - Mairs & Power
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    245
Portfolio value:    $9,786,094,433
Holdings Activity Buys Sells    History
Holding/activity history for  Costco Wholesale Corp. (COST)
← All COST superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 2,963 0.03 Add 1.02% <0.01 $852.50–1,028.44 · VW $959.12i $2,952,422 SEC
2025   Q4 2,933 0.02 Reduce 8.94% <0.01 $844.06–964.00 · VW $890.13i $2,529,243 SEC
2025   Q3 3,221 0.03 Add 1.04% <0.01 $903.29–999.30 · VW $942.74i $2,981,454 SEC
2025   Q2 3,188 0.03 Add 18.07% <0.01 $871.71–1,067.08 · VW $976.24i $3,155,929 SEC
2025   Q1 2,700 0.03 Reduce 1.42% <0.01 $881.56–1,078.23 · VW $968.52i $2,553,606 SEC
2024   Q4 2,739 0.02 Reduce 11.56% <0.01 $867.16–1,008.25 · VW $930.56i $2,509,664 SEC
2024   Q3 3,097 0.03 Reduce 17.06% <0.01 $793.00–923.83 · VW $867.78i $2,745,552 SEC
2024   Q2 3,734 0.03 Reduce 18.45% <0.01 $697.27–873.96 · VW $807.07i $3,173,863 SEC
2024   Q1 4,579 0.03 Reduce 7.23% <0.01 $640.51–787.08 · VW $720.07i $3,354,713 SEC
2023   Q4 4,936 0.03 Add 43.07% 0.01 $540.23–681.91 · VW $627.41i $3,258,155 SEC
2023   Q3 3,450 0.02 Reduce 4.83% <0.01 $524.63–572.18 · VW $553.92i $1,949,112 SEC
2023   Q2 3,625 0.02 Add 0.58% <0.01 $476.75–539.56 · VW $518.23i $1,951,628 SEC
2023   Q1 3,604 0.02 Add 15.11% <0.01 $447.90–530.05 · VW $491.61i $1,790,719 SEC
2022   Q4 3,131 0.02 $456.50 $1,429,302 SEC
2022   Q3 3,131 0.02 Reduce 1.42% <0.01 $463.53–564.75 · VW $500.18i $1,479,000 SEC
2022   Q2 3,176 0.02 Reduce 0.06% $406.51–612.27 · VW $499.35i $1,522,000 SEC
2022   Q1 3,178 0.02 Add 0.13% $469.01–586.32 · VW $543.73i $1,830,000 SEC
2021   Q4 3,174 0.02 Add 19.50% <0.01 $436.17–571.49 · VW $525.12i $1,802,000 SEC
2021   Q3 2,656 0.01 Reduce 17.95% <0.01 $393.88–470.49 · VW $437.91i $1,193,000 SEC
2021   Q2 3,237 0.01 Reduce 2.44% <0.01 $351.63–400.47 · VW $382.59i $1,281,000 SEC
2021   Q1 3,318 0.01 Reduce 3.32% <0.01 $307.00–381.55 · VW $347.01i $1,170,000 SEC
2020   Q4 3,432 0.01 Add 2.39% <0.01 $352.85–393.15 · VW $374.26i $1,293,000 SEC
2020   Q3 3,352 0.01 Reduce 4.04% <0.01 $300.75–363.67 · VW $339.81i $1,190,000 SEC
2020   Q2 3,493 0.01 $303.18 $1,059,000 SEC
2020   Q1 3,493 0.01 $285.14 $996,000 SEC
2019   Q4 3,493 0.01 Add 1.16% <0.01 $281.60–307.10 · VW $294.21i $1,027,000 SEC
2019   Q3 3,453 0.01 Add 0.91% <0.01 $261.67–307.34 · VW $285.71i $995,000 SEC
2019   Q2 3,422 0.01 Reduce 0.90% <0.01 $233.05–268.94 · VW $255.42i $904,000 SEC
2019   Q1 3,453 0.01 Reduce 1.96% <0.01 $199.85–242.44 · VW $228.14i $836,000 SEC
2018   Q4 3,522 0.01 $203.58 $717,000 SEC
2018   Q3 3,522 0.01 Reduce 4.08% <0.01 $206.05–245.16 · VW $228.70i $827,000 SEC
2018   Q2 3,672 0.01 Add 5.76% <0.01 $180.94–212.46 · VW $200.79i $767,000 SEC
2018   Q1 3,472 0.01 Add 20.72% <0.01 $175.79–199.88 · VW $188.03i $654,000 SEC
2017   Q4 2,876 0.01 Reduce 4.20% <0.01 $154.11–195.35 · VW $178.53i $535,000 SEC
2017   Q3 3,002 0.01 Reduce 1.77% <0.01 $150.00–165.32 · VW $159.87i $493,000 SEC
2017   Q2 3,056 0.01 Reduce 1.48% <0.01 $156.56–183.18 · VW $166.56i $489,000 SEC
2017   Q1 3,102 0.01 Reduce 4.99% <0.01 $158.51–178.71 · VW $168.30i $520,000 SEC
2016   Q4 3,265 0.01 Add 0.80% <0.01 $142.11–164.95 · VW $155.72i $523,000 SEC
2016   Q3 3,239 0.01 Add 11.77% <0.01 $147.20–169.59 · VW $156.43i $494,000 SEC
2016   Q2 2,898 0.01 $157.00 $455,000 SEC
2016   Q1 2,898 0.01 $157.69 $457,000 SEC
2015   Q4 2,898 0.01 Reduce 7.65% <0.01 $142.19–169.73 · VW $157.81i $468,000 SEC
2015   Q3 3,138 0.01 Add 12.15% <0.01 $117.03–147.59 · VW $136.40i $454,000 SEC
2015   Q2 2,798 0.01 Add 5.94% <0.01 $134.73–152.95 · VW $140.91i $378,000 SEC
2015   Q1 2,641 0.01 $151.46 $400,000 SEC
2014   Q4 2,641 0.01 Add 20.54% <0.01 $122.05–146.82 · VW $136.87i $374,000 SEC
2014   Q3 2,191 <0.01 Reduce 3.31% <0.01 $114.90–127.78 · VW $122.67i $275,000 SEC
2014   Q2 2,266 <0.01 Reduce 9.86% <0.01 $110.36–118.85 · VW $114.79i $261,000 SEC
2014   Q1 2,514 <0.01 Add 27.68% <0.01 $109.50–119.30 · VW $113.49i $281,000 SEC
2013   Q4 1,969 <0.01 Reduce 9.22% <0.01 $110.15–126.12 · VW $118.43i $234,000 SEC
2013   Q3 2,169 <0.01 Add 10.33% <0.01 $110.06–120.20 · VW $115.14i $250,000 SEC
2013   Q2 1,966 <0.01 Buy <0.01 $103.20–115.77 · VW $109.85i $217,000 SEC
2007   Q4 0 0.00 Sell 100.00% <0.01 $61.16–72.68 · VW $67.87i SEC
2007   Q3 4,400 <0.01 Buy <0.01 $56.09–65.57 · VW $61.01i $270,008,000 SEC
2006   Q3 0 0.00 Sell 100.00% <0.01 $46.00–57.94 · VW $51.21i SEC
2006   Q2 3,756 <0.01 Reduce 17.18% <0.01 $52.03–57.38 · VW $55.51i $214,590 SEC
2006   Q1 4,535 <0.01 $54.16 $245,616 SEC
2005   Q4 4,535 <0.01 Reduce 26.38% <0.01 $42.35–51.21 · VW $47.68i $224,346 SEC
2005   Q3 6,160 <0.01 Reduce 5.38% <0.01 $40.51–46.80 · VW $43.47i $265,434 SEC
2005   Q2 6,510 <0.01 Reduce 4.41% <0.01 $39.48–47.23 · VW $43.81i $291,192 SEC
2005   Q1 6,810 <0.01 Add 5.42% <0.01 $42.75–49.18 · VW $45.37i $300,866 SEC
2004   Q4 6,460 <0.01 $48.41 $312,729 SEC
2004   Q3 6,460 0.01 Add 7.67% <0.01 $39.05–42.79 · VW $41.12i $268,155 SEC
2004   Q2 6,000 0.01 $41.18 $247,080 SEC
2004   Q1 6,000 <0.01 $37.61 $225,660 SEC
2003   Q4 6,000 <0.01 Reduce 17.81% <0.01 $31.10–37.40 · VW $35.23i $223,080 SEC
2003   Q3 7,300 <0.01 Reduce 5.71% <0.01 $28.83–37.71 · VW $32.56i $227,395 SEC
2003   Q2 7,742 0.02 Buy 0.02 $29.76–39.02 · VW $35.13i $283,357 SEC
Price snapshot:
Current price$926.43
Avg. buy price$480.75
+/- since buy92.71%
52-week low$841.69
52-week high$1,096.50