Thomas Russo - Gardner Russo & Quinn
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    86
Portfolio value:    $8,496,278,296
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 4,624 0.05 $996.41 $4,607,417 SEC
2025   Q4 4,624 0.04 $862.30 $3,987,295 SEC
2025   Q3 4,624 0.05 Reduce 0.19% <0.01 $903.29–999.30 · VW $942.74i $4,279,820 SEC
2025   Q2 4,633 0.05 Reduce 0.09% $871.71–1,067.08 · VW $976.24i $4,585,964 SEC
2025   Q1 4,637 0.05 Reduce 14.08% <0.01 $881.56–1,078.23 · VW $968.52i $4,386,010 SEC
2024   Q4 5,397 0.06 Reduce 0.46% <0.01 $867.16–1,008.25 · VW $930.56i $4,945,436 SEC
2024   Q3 5,422 0.05 Reduce 1.00% <0.01 $793.00–923.83 · VW $867.78i $4,806,931 SEC
2024   Q2 5,477 0.05 $850.01 $4,655,501 SEC
2024   Q1 5,477 0.04 Reduce 1.32% <0.01 $640.51–787.08 · VW $720.07i $4,012,610 SEC
2023   Q4 5,550 0.04 Add 7.91% <0.01 $540.23–681.91 · VW $627.41i $3,663,426 SEC
2023   Q3 5,143 0.03 Reduce 1.63% <0.01 $524.63–572.18 · VW $553.92i $2,905,491 SEC
2023   Q2 5,228 0.03 Add 1.87% <0.01 $476.75–539.56 · VW $518.23i $2,814,471 SEC
2023   Q1 5,132 0.03 Reduce 4.77% <0.01 $447.90–530.05 · VW $491.61i $2,550,182 SEC
2022   Q4 5,389 0.03 $456.53 $2,460,235 SEC
2022   Q3 5,389 0.03 Reduce 3.58% <0.01 $463.53–564.75 · VW $500.18i $2,545,000 SEC
2022   Q2 5,589 0.03 Reduce 2.61% <0.01 $406.51–612.27 · VW $499.35i $2,679,000 SEC
2022   Q1 5,739 0.03 Add 9.02% <0.01 $469.01–586.32 · VW $543.73i $3,305,000 SEC
2021   Q4 5,264 0.03 $567.63 $2,988,000 SEC
2021   Q3 5,264 0.02 Add 1.86% <0.01 $393.88–470.49 · VW $437.91i $2,365,000 SEC
2021   Q2 5,168 0.02 Reduce 2.38% <0.01 $351.63–400.47 · VW $382.59i $2,045,000 SEC
2021   Q1 5,294 0.02 Reduce 1.87% <0.01 $307.00–381.55 · VW $347.01i $1,866,000 SEC
2020   Q4 5,395 0.02 Add 0.04% $352.85–393.15 · VW $374.26i $2,033,000 SEC
2020   Q3 5,393 0.02 Reduce 0.48% <0.01 $300.75–363.67 · VW $339.81i $1,914,000 SEC
2020   Q2 5,419 0.02 Add 7.76% <0.01 $280.90–322.63 · VW $302.25i $1,643,000 SEC
2020   Q1 5,029 0.01 Reduce 2.63% <0.01 $271.28–325.26 · VW $293.89i $1,434,000 SEC
2019   Q4 5,165 0.01 Reduce 0.10% $281.60–307.10 · VW $294.21i $1,518,000 SEC
2019   Q3 5,170 0.01 Add 1.53% <0.01 $261.67–307.34 · VW $285.71i $1,490,000 SEC
2019   Q2 5,092 0.01 Reduce 2.58% <0.01 $233.05–268.94 · VW $255.42i $1,346,000 SEC
2019   Q1 5,227 0.01 $242.20 $1,266,000 SEC
2018   Q4 5,227 0.01 $203.75 $1,065,000 SEC
2018   Q3 5,227 0.01 Reduce 4.49% <0.01 $206.05–245.16 · VW $228.70i $1,228,000 SEC
2018   Q2 5,473 0.01 $209.03 $1,144,000 SEC
2018   Q1 5,473 0.01 Add 2.91% <0.01 $175.79–199.88 · VW $188.03i $1,031,000 SEC
2017   Q4 5,318 0.01 $186.16 $990,000 SEC
2017   Q3 5,318 0.01 Reduce 19.95% <0.01 $150.00–165.32 · VW $159.87i $874,000 SEC
2017   Q2 6,643 0.01 $159.87 $1,062,000 SEC
2017   Q1 6,643 0.01 Reduce 0.08% $158.51–178.71 · VW $168.30i $1,114,000 SEC
2016   Q4 6,648 0.01 Add 2.03% <0.01 $142.11–164.95 · VW $155.72i $1,064,000 SEC
2016   Q3 6,516 0.01 $152.55 $994,000 SEC
2016   Q2 6,516 0.01 Add 1.96% <0.01 $138.57–159.09 · VW $151.57i $1,023,000 SEC
2016   Q1 6,391 0.01 Add 1.53% <0.01 $141.62–161.23 · VW $153.48i $1,007,000 SEC
2015   Q4 6,295 0.01 $161.56 $1,017,000 SEC
2015   Q3 6,295 0.01 Add 11.32% <0.01 $117.03–147.59 · VW $136.40i $910,000 SEC
2015   Q2 5,655 0.01 $135.10 $764,000 SEC
2015   Q1 5,655 <0.01 $151.55 $857,000 SEC
2014   Q4 5,655 0.01 $141.82 $802,000 SEC
2014   Q3 5,655 <0.01 $125.38 $709,000 SEC
2014   Q2 5,655 <0.01 Reduce 17.51% <0.01 $110.36–118.85 · VW $114.79i $651,000 SEC
2014   Q1 6,855 <0.01 Add 17.08% <0.01 $109.50–119.30 · VW $113.49i $766,000 SEC
2013   Q4 5,855 <0.01 $119.04 $697,000 SEC
2013   Q3 5,855 <0.01 $115.12 $674,000 SEC
2013   Q2 5,855 <0.01 $110.50 $647,000 SEC
2013   Q1 5,855 <0.01 $106.06 $621,000 SEC
2012   Q4 5,855 <0.01 Reduce 4.87% <0.01 $93.51–105.97 · VW $99.40i $578,000 SEC
2012   Q3 6,155 <0.01 Reduce 63.48% 0.02 $93.11–103.51 · VW $98.93i $616,000 SEC
2012   Q2 16,855 0.03 Reduce 1.17% <0.01 $81.98–95.11 · VW $90.70i $1,601,000 SEC
2012   Q1 17,055 0.03 Reduce 2.29% <0.01 $78.81–91.78 · VW $87.13i $1,549,000 SEC
2011   Q4 17,455 0.03 Reduce 27.75% 0.01 $78.41–88.68 · VW $83.47i $1,454,000 SEC
2011   Q3 24,160 0.04 Reduce 6.28% <0.01 $70.22–86.34 · VW $79.56i $1,984,000 SEC
2011   Q2 25,780 0.04 $81.23 $2,094,000 SEC
2011   Q1 25,780 0.04 $73.31 $1,890,000 SEC
2010   Q4 25,780 0.07 $72.23 $1,862,000 SEC
2010   Q3 25,780 0.07 Reduce 3.26% <0.01 $53.41–65.22 · VW $61.04i $1,663,000 SEC
2010   Q2 26,650 0.07 Add 1.91% <0.01 $54.69–61.96 · VW $57.16i $1,461,000 SEC
2010   Q1 26,150 0.07 Add 3.26% <0.01 $56.75–62.12 · VW $59.53i $1,561,000 SEC
2009   Q4 25,325 0.08 Add 32.77% 0.02 $55.40–61.25 · VW $58.61i $1,498,000 SEC
2009   Q3 19,075 0.06 Add 6.86% <0.01 $44.37–58.86 · VW $53.20i $1,075,000 SEC
2009   Q2 17,850 0.05 Add 86.91% 0.02 $44.03–50.14 · VW $46.65i $817,000 SEC
2009   Q1 9,550 0.05 Reduce 9.91% <0.01 $38.17–53.62 · VW $46.04i $442,000 SEC
2008   Q4 10,600 0.03 Reduce 13.11% <0.01 $43.88–65.12 · VW $53.83i $557,000 SEC
2008   Q3 12,200 0.03 $64.92 $792,000 SEC
2008   Q2 12,200 0.10 Reduce 1.61% <0.01 $64.97–75.23 · VW $70.11i $856,000 SEC
2008   Q1 12,400 0.02 Reduce 6.77% <0.01 $59.66–70.45 · VW $65.03i $806,000 SEC
2007   Q4 13,300 0.02 Reduce 2.56% <0.01 $61.16–72.68 · VW $67.87i $928,000 SEC
2007   Q3 13,650 0.02 $61.39 $838,000 SEC
2007   Q2 13,650 0.02 $58.53 $799,000 SEC
2007   Q1 13,650 0.02 $53.85 $735,000 SEC
2006   Q4 13,650 0.02 Reduce 10.05% <0.01 $47.89–55.12 · VW $51.96i $722,000 SEC
2006   Q3 15,175 0.02 Reduce 4.41% <0.01 $46.00–57.94 · VW $51.21i $754,000 SEC
2006   Q2 15,875 0.03 Add 10.05% <0.01 $52.03–57.38 · VW $55.51i $907,000 SEC
2006   Q1 14,425 0.03 Reduce 3.51% <0.01 $48.48–56.31 · VW $52.98i $781,000 SEC
2005   Q4 14,950 0.02 Reduce 6.62% <0.01 $42.35–51.21 · VW $47.68i $740,000 SEC
2005   Q3 16,010 <0.01 Reduce 4.47% <0.01 $40.51–46.80 · VW $43.47i $690,000 SEC
2005   Q2 16,760 0.03 Add 37.55% <0.01 $39.48–47.23 · VW $43.81i $749,675 SEC
2005   Q1 12,185 0.02 $44.18 $538,333 SEC
2004   Q4 12,185 0.03 Add 2.39% <0.01 $41.48–50.46 · VW $46.78i $589,876 SEC
2004   Q3 11,900 0.03 Reduce 5.93% <0.01 $39.05–42.79 · VW $41.12i $493,969 SEC
2004   Q2 12,650 0.03 Reduce 5.24% <0.01 $35.05–43.00 · VW $39.74i $520,927 SEC
2004   Q1 13,350 0.03 Add 3.09% <0.01 $35.86–40.42 · VW $37.96i $502,094 SEC
2003   Q4 12,950 0.03 Reduce 9.91% <0.01 $31.10–37.40 · VW $35.23i $481,481 SEC
2003   Q3 14,375 0.03 Reduce 28.13% 0.02 $28.83–37.71 · VW $32.56i $447,781 SEC
2003   Q2 20,000 0.06 $36.60 $732,000 SEC
2003   Q1 20,000 0.06 Reduce 3.61% <0.01 $27.00–31.49 · VW $29.51i $600,600 SEC
2002   Q4 20,750 0.07 Add 53.14% 0.03 $27.09–37.00 · VW $30.72i $582,245 SEC
2002   Q3 13,550 0.05 Reduce 12.30% <0.01 $31.00–39.55 · VW $34.31i $438,613 SEC
2002   Q2 15,450 0.06 $38.62 $596,679 SEC
2002   Q1 15,450 0.06 Add 0.32% <0.01 $38.29–46.90 · VW $41.67i $615,219 SEC
2001   Q4 15,400 0.09 Add 9.22% <0.01 $33.10–45.37 · VW $40.95i $683,452 SEC
2001   Q3 14,100 0.08 Reduce 11.32% <0.01 $29.83–44.70 · VW $36.70i $501,396 SEC
2001   Q2 15,900 0.08 Add 1.92% <0.01 $33.17–44.05 · VW $39.43i $653,172 SEC
2001   Q1 15,600 0.06 Reduce 67.57% 0.18 $35.31–46.38 · VW $40.31i $612,300 SEC
2000   Q4 48,110 0.26 Add 183.00% 0.17 $29.31–41.50 · VW $36.92i $1,921,393 SEC
2000   Q3 17,000 0.06 Add 70.00% 0.02 $31.19–39.06 · VW $35.06i $593,937 SEC
2000   Q2 10,000 0.03 Buy 0.03 $25.94–60.50 · VW $39.81i $330,000,000 SEC
Price snapshot:
Current price$926.43
Avg. buy price$659.38
+/- since buy40.50%
52-week low$841.69
52-week high$1,096.50