John Gunn - Dodge & Cox
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    222
Portfolio value:    $181,976,456,224
Holdings Activity Buys Sells    History
Holding/activity history for  Rio Tinto Group (RIO)
← All RIO superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 3,000 <0.01 $93.29 $279,870 SEC
2025   Q4 3,000 <0.01 Buy <0.01 $65.29–82.36 · VW $73.13i $240,090 SEC
2025   Q3 0 0.00 Sell 100.00% <0.01 $57.66–66.33 · VW $62.27i SEC
2025   Q2 4,000 <0.01 $58.33 $233,320 SEC
2025   Q1 4,000 <0.01 $60.08 $240,320 SEC
2024   Q4 4,000 <0.01 $58.81 $235,240 SEC
2024   Q3 4,000 <0.01 $71.17 $284,680 SEC
2024   Q2 4,000 <0.01 $65.93 $263,720 SEC
2024   Q1 4,000 <0.01 $63.74 $254,960 SEC
2023   Q4 4,000 <0.01 $74.46 $297,840 SEC
2023   Q3 4,000 <0.01 $63.64 $254,560 SEC
2023   Q2 4,000 <0.01 $63.84 $255,360 SEC
2023   Q1 4,000 <0.01 Reduce 23.08% <0.01 $64.03–80.52 · VW $72.18i $274,400 SEC
2022   Q4 5,200 <0.01 $71.20 $370,240 SEC
2022   Q3 5,200 <0.01 $55.00 $286,000 SEC
2022   Q2 5,200 <0.01 $60.96 $317,000 SEC
2022   Q1 5,200 <0.01 $80.38 $418,000 SEC
2021   Q4 5,200 <0.01 Reduce 1.89% $59.58–71.35 · VW $64.41i $348,000 SEC
2021   Q3 5,300 <0.01 Reduce 13.11% $64.24–89.51 · VW $75.73i $354,000 SEC
2021   Q2 6,100 <0.01 Reduce 20.78% <0.01 $76.52–95.97 · VW $85.99i $512,000 SEC
2021   Q1 7,700 <0.01 Reduce 9.41% $73.61–92.85 · VW $82.05i $598,000 SEC
2020   Q4 8,500 <0.01 $75.18 $639,000 SEC
2020   Q3 8,500 <0.01 $60.35 $513,000 SEC
2020   Q2 8,500 <0.01 Reduce 8.60% $43.98–58.91 · VW $51.09i $478,000 SEC
2020   Q1 9,300 <0.01 $45.59 $424,000 SEC
2019   Q4 9,300 <0.01 $59.35 $552,000 SEC
2019   Q3 9,300 <0.01 $52.04 $484,000 SEC
2019   Q2 9,300 <0.01 Reduce 2.11% $56.92–63.27 · VW $59.85i $580,000 SEC
2019   Q1 9,500 <0.01 Reduce 8.65% $46.32–59.97 · VW $56.15i $559,000 SEC
2018   Q4 10,400 <0.01 Reduce 0.95% $44.62–52.74 · VW $48.36i $504,000 SEC
2018   Q3 10,500 <0.01 $51.05 $536,000 SEC
2018   Q2 10,500 <0.01 $55.52 $583,000 SEC
2018   Q1 10,500 <0.01 Reduce 6.25% $49.69–59.25 · VW $54.12i $541,000 SEC
2017   Q4 11,200 <0.01 $52.95 $593,000 SEC
2017   Q3 11,200 <0.01 Reduce 9.68% $42.65–49.89 · VW $46.92i $529,000 SEC
2017   Q2 12,400 <0.01 $42.34 $525,000 SEC
2017   Q1 12,400 <0.01 Reduce 17.33% <0.01 $38.26–47.11 · VW $42.38i $504,000 SEC
2016   Q4 15,000 <0.01 $38.47 $577,000 SEC
2016   Q3 15,000 <0.01 $33.40 $501,000 SEC
2016   Q2 15,000 <0.01 Reduce 5.06% $26.71–35.52 · VW $30.56i $470,000 SEC
2016   Q1 15,800 <0.01 Reduce 5.05% $21.89–32.22 · VW $26.85i $447,000 SEC
2015   Q4 16,640 <0.01 Reduce 3.48% $27.32–40.05 · VW $33.44i $485,000 SEC
2015   Q3 17,240 <0.01 Reduce 9.93% <0.01 $31.97–41.69 · VW $36.74i $583,000 SEC
2015   Q2 19,140 <0.01 Reduce 3.04% $40.75–47.37 · VW $43.75i $789,000 SEC
2015   Q1 19,740 <0.01 Reduce 11.24% <0.01 $41.18–50.07 · VW $45.31i $817,000 SEC
2014   Q4 22,240 <0.01 Reduce 9.27% <0.01 $40.70–56.82 · VW $48.03i $1,024,000 SEC
2014   Q3 24,512 <0.01 Add 1.24% $48.95–59.33 · VW $54.07i $1,206,000 SEC
2014   Q2 24,212 <0.01 Reduce 4.35% <0.01 $51.17–57.79 · VW $53.88i $1,314,000 SEC
2014   Q1 25,312 <0.01 Reduce 5.24% <0.01 $51.05–60.61 · VW $54.81i $1,413,000 SEC
2013   Q4 26,712 <0.01 Reduce 0.74% $46.86–56.71 · VW $52.35i $1,507,000 SEC
2013   Q3 26,912 <0.01 Reduce 1.46% $39.14–51.94 · VW $46.52i $1,312,000 SEC
2013   Q2 27,312 <0.01 Buy <0.01 $39.75–49.00 · VW $44.19i $1,122,000 SEC
2013   Q1 0 0.00 Sell 100.00% <0.01 $46.42–60.45 · VW $53.14i SEC
2012   Q4 34,212 <0.01 Buy <0.01 $46.54–58.36 · VW $51.58i $1,987,000 SEC
2012   Q3 0 0.00 Sell 100.00% <0.01 $42.64–53.90 · VW $46.62i SEC
2012   Q2 36,112 <0.01 Reduce 3.47% <0.01 $41.59–57.68 · VW $49.40i $1,727,000 SEC
2012   Q1 37,412 <0.01 Reduce 0.53% $50.71–63.18 · VW $57.01i $2,080,000 SEC
2011   Q4 37,612 <0.01 Reduce 6.23% <0.01 $40.50–58.94 · VW $51.14i $1,840,000 SEC
2011   Q3 40,112 <0.01 Reduce 1.72% <0.01 $44.08–74.00 · VW $59.21i $1,768,000 SEC
2011   Q2 40,812 <0.01 Reduce 7.06% <0.01 $64.79–74.99 · VW $70.37i $2,952,000 SEC
2011   Q1 43,912 <0.01 Reduce 20.18% <0.01 $61.07–76.67 · VW $69.75i $3,123,000 SEC
2010   Q4 55,012 <0.01 Reduce 8.94% <0.01 $58.36–72.65 · VW $66.40i $3,942,000 SEC
2010   Q3 60,412 <0.01 Reduce 13.09% <0.01 $43.27–60.28 · VW $52.28i $3,548,000 SEC
2010   Q2 69,512 <0.01 Reduce 7.44% <0.01 $39.30–62.24 · VW $48.07i $3,031,000 SEC
2010   Q1 75,100 <0.01 Reduce 6.01% <0.01 $46.39–60.11 · VW $53.28i $4,445,000 SEC
2009   Q4 79,900 <0.01 Reduce 13.81% <0.01 $39.33–55.94 · VW $48.99i $4,302,000 SEC
2009   Q3 92,700 <0.01 Reduce 5.31% <0.01 $30.00–45.84 · VW $39.71i $3,946,000 SEC
2009   Q2 97,900 <0.01 Reduce 8.68% <0.01 $31.42–54.12 · VW $42.28i $4,011,000 SEC
2009   Q1 107,200 <0.01 Reduce 3.60% <0.01 $19.63–35.83 · VW $26.56i $3,593,000 SEC
2008   Q4 111,200 <0.01 Reduce 24.46% <0.01 $14.80–64.93 · VW $30.84i $2,472,000 SEC
2008   Q3 147,200 0.01 Reduce 12.49% <0.01 $52.02–117.55 · VW $84.40i $9,182,000 SEC
2008   Q2 168,216 0.02 Reduce 9.19% <0.01 $101.28–139.66 · VW $119.85i $20,817,000 SEC
2008   Q1 185,244 0.02 Reduce 11.55% <0.01 $77.61–117.28 · VW $103.16i $19,073,000 SEC
2007   Q4 209,444 0.02 Reduce 8.88% <0.01 $81.39–121.05 · VW $102.21i $21,986,000 SEC
2007   Q3 229,864 0.02 Reduce 6.40% <0.01 $55.46–87.00 · VW $72.68i $19,734,000 SEC
2007   Q2 245,580 0.01 Reduce 14.41% <0.01 $56.58–78.62 · VW $69.12i $18,794,000 SEC
2007   Q1 286,924 0.01 Reduce 21.44% <0.01 $48.22–58.05 · VW $53.79i $16,341,000 SEC
2006   Q4 365,208 0.02 Reduce 8.11% <0.01 $44.67–57.79 · VW $53.05i $19,401,000 SEC
2006   Q3 397,448 0.02 Reduce 8.27% <0.01 $44.02–54.03 · VW $50.13i $18,842,000 SEC
2006   Q2 433,296 0.02 Reduce 38.67% 0.01 $46.01–63.33 · VW $53.88i $22,717,000 SEC
2006   Q1 706,452 0.04 Reduce 96.75% 1.07 $44.20–53.24 · VW $49.58i $36,559,000 SEC
2005   Q4 21,761,120 1.11 Reduce 39.37% 0.67 $36.64–46.32 · VW $40.63i $994,429,000 SEC
2005   Q3 35,889,544 1.71 Reduce 1.04% 0.01 $30.48–41.85 · VW $36.16i $1,474,163,000 SEC
2005   Q2 36,267,344 1.36 Reduce 0.79% 0.01 $28.73–32.72 · VW $30.61i $1,105,429,000 SEC
2005   Q1 36,555,344 1.46 Reduce 0.21% <0.01 $27.64–35.99 · VW $32.28i $1,185,764,000 SEC
2004   Q4 36,633,344 1.39 Add 0.97% 0.01 $25.49–29.93 · VW $28.00i $1,091,765,000 SEC
2004   Q3 36,282,544 1.44 Reduce 0.01% <0.01 $24.17–27.18 · VW $25.82i $985,525,000 SEC
2004   Q2 36,286,744 1.34 Add 38.85% 0.37 $21.13–26.39 · VW $23.69i $889,479,000 SEC
2004   Q1 26,134,144 2.36 Reduce 2.04% 0.05 $23.96–29.08 · VW $26.65i $657,143,000 SEC
2003   Q4 26,678,496 2.47 Reduce 2.26% 0.04 $21.71–27.84 · VW $25.22i $742,396,000 SEC
2003   Q3 27,294,896 1.89 Reduce 0.08% <0.01 $18.83–23.46 · VW $21.54i $598,782,000 SEC
2003   Q2 27,315,696 1.60 Reduce 0.11% <0.01 $18.08–21.32 · VW $19.47i $522,754,000 SEC
2003   Q1 27,346,296 1.61 Reduce 12.32% 0.24 $17.92–20.95 · VW $19.52i $517,529,000 SEC
2002   Q4 31,187,896 1.91 Reduce 3.85% 0.07 $16.00–21.04 · VW $18.97i $620,093,000 SEC
2002   Q3 32,437,096 1.87 Add 9.10% 0.16 $15.27–19.75 · VW $17.34i $533,590,000 SEC
2002   Q2 29,732,584 1.84 Add 11.22% 0.19 $18.00–20.63 · VW $19.13i $550,053,000 SEC
2002   Q1 26,731,984 1.76 Add 11.98% 0.19 $18.38–21.50 · VW $20.11i $534,640,000 SEC
2001   Q4 23,871,184 1.76 Add 9.04% 0.15 $15.00–19.81 · VW $17.82i $467,278,000 SEC
2001   Q3 21,892,280 1.50 Add 10.67% 0.14 $13.43–18.75 · VW $16.76i $344,803,000 SEC
2001   Q2 19,782,280 1.52 Add 2.17% 0.03 $16.50–21.25 · VW $18.95i $359,296,000 SEC
2001   Q1 19,361,680 1.59 Reduce 2.35% 0.04 $16.38–19.88 · VW $18.22i $339,507,000 SEC
2000   Q4 19,828,480 1.70 Add 1.63% 0.03 $13.78–18.38 · VW $16.12i $357,222,000 SEC
2000   Q3 19,511,280 1.51 Add 4.90% 0.07 $14.69–18.39 · VW $16.41i $290,230,000 SEC
2000   Q2 18,599,880 1.73 Add 19.49% 0.28 $14.41–17.78 · VW $16.01i $303,410,000 SEC
2000   Q1 15,566,416 1.63 Reduce 10.87% 0.26 $14.28–24.31 · VW $17.53i $277,276,000 SEC
1999   Q4 17,464,200 2.38 Reduce 17.70% 0.41 $16.25–23.78 · VW $20.46i $413,683,000 SEC
1999   Q3 21,220,600 2.29 Reduce 6.85% 0.14 $16.81–20.73 · VW $18.49i $376,665,000 SEC
1999   Q2 22,782,200 2.10 Reduce 3.36% 0.07 $13.03–17.63 · VW $15.83i $383,025,000 SEC
1999   Q1 23,574,200 2.04 $13.75 $324,145,000 SEC
Price snapshot:
Current price$89.85
Avg. buy price$80.03
+/- since buy12.27%
52-week low$55.24
52-week high$112.58