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  Corning Inc. (GLW)
← All GLW superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 36,325 <0.01 Reduce 1.42% $120.01–211.79 · VW $170.99i $4,939,110 SEC
2025   Q4 36,850 <0.01 Reduce 7.64% <0.01 $81.67–162.10 · VW $131.38i $3,226,586 SEC
2025   Q3 39,900 <0.01 $82.03 $3,272,997 SEC
2025   Q2 39,900 <0.01 Reduce 1.72% $49.10–69.29 · VW $61.81i $2,098,341 SEC
2025   Q1 40,600 <0.01 Add 0.37% $37.31–50.60 · VW $45.83i $1,858,668 SEC
2024   Q4 40,450 <0.01 Reduce 4.71% <0.01 $46.19–55.33 · VW $50.56i $1,922,184 SEC
2024   Q3 42,450 <0.01 Reduce 11.84% <0.01 $40.34–51.03 · VW $46.68i $1,916,618 SEC
2024   Q2 48,150 <0.01 Reduce 12.77% <0.01 $36.58–46.39 · VW $41.61i $1,870,628 SEC
2024   Q1 55,200 <0.01 Reduce 1.60% $30.72–37.28 · VW $35.09i $1,819,392 SEC
2023   Q4 56,100 <0.01 Reduce 39.64% <0.01 $28.25–33.87 · VW $31.45i $1,708,245 SEC
2023   Q3 92,942 <0.01 Reduce 1.80% $25.26–33.26 · VW $29.00i $2,831,943 SEC
2023   Q2 94,642 <0.01 Reduce 3.17% <0.01 $30.58–36.02 · VW $33.14i $3,316,256 SEC
2023   Q1 97,742 <0.01 Reduce 5.37% <0.01 $30.48–36.01 · VW $32.43i $3,448,338 SEC
2022   Q4 103,292 <0.01 Reduce 6.11% <0.01 $30.93–37.10 · VW $33.99i $3,299,146 SEC
2022   Q3 110,009 <0.01 Reduce 6.92% <0.01 $28.98–34.88 · VW $32.66i $3,192,000 SEC
2022   Q2 118,185 <0.01 Reduce 10.47% <0.01 $30.63–37.73 · VW $34.23i $3,724,000 SEC
2022   Q1 132,002 <0.01 Reduce 2.51% <0.01 $32.24–40.35 · VW $36.14i $4,872,000 SEC
2021   Q4 135,400 <0.01 Reduce 13.70% <0.01 $33.93–43.47 · VW $39.27i $5,041,000 SEC
2021   Q3 156,900 <0.01 Reduce 1.53% <0.01 $35.24–40.00 · VW $37.44i $5,725,000 SEC
2021   Q2 159,336 <0.01 Reduce 4.36% <0.01 $38.52–44.12 · VW $40.88i $6,517,000 SEC
2021   Q1 166,602 0.01 Reduce 3.17% <0.01 $35.97–46.82 · VW $42.14i $7,249,000 SEC
2020   Q4 172,052 <0.01 Reduce 5.28% <0.01 $34.81–39.16 · VW $37.40i $6,194,000 SEC
2020   Q3 181,652 0.01 Reduce 7.67% <0.01 $30.16–37.60 · VW $35.06i $5,887,000 SEC
2020   Q2 196,752 <0.01 Reduce 14.57% <0.01 $22.52–33.56 · VW $29.51i $5,096,000 SEC
2020   Q1 230,302 0.01 Reduce 34.42% <0.01 $17.44–25.41 · VW $21.88i $4,730,000 SEC
2019   Q4 351,200 0.01 Reduce 3.13% <0.01 $22.80–30.44 · VW $25.70i $10,223,000 SEC
2019   Q3 362,550 0.01 Reduce 12.29% <0.01 $26.75–31.10 · VW $28.96i $10,340,000 SEC
2019   Q2 413,364 0.01 Reduce 11.78% <0.01 $26.78–34.26 · VW $29.63i $13,736,000 SEC
2019   Q1 468,577 0.01 Reduce 17.85% <0.01 $28.60–35.34 · VW $30.93i $15,510,000 SEC
2018   Q4 570,372 0.02 Reduce 8.68% <0.01 $27.67–35.32 · VW $32.60i $17,231,000 SEC
2018   Q3 624,574 0.02 Reduce 19.42% <0.01 $28.17–36.56 · VW $32.32i $22,047,000 SEC
2018   Q2 775,097 0.02 Reduce 32.46% <0.01 $26.87–34.15 · VW $31.51i $21,323,000 SEC
2018   Q1 1,147,538 0.03 Reduce 92.73% 0.37 $26.11–30.15 · VW $27.81i $31,993,000 SEC
2017   Q4 15,789,186 0.40 Reduce 1.22% <0.01 $27.82–35.10 · VW $30.67i $505,096,000 SEC
2017   Q3 15,983,457 0.39 Reduce 1.13% <0.01 $28.28–32.78 · VW $31.15i $478,225,000 SEC
2017   Q2 16,166,252 0.42 Reduce 43.54% 0.29 $27.71–32.17 · VW $29.55i $485,796,000 SEC
2017   Q1 28,633,730 0.67 Reduce 8.47% 0.06 $26.32–29.72 · VW $28.38i $773,111,000 SEC
2016   Q4 31,284,689 0.69 Reduce 14.21% 0.12 $23.48–27.89 · VW $26.33i $759,279,000 SEC
2016   Q3 36,466,267 0.83 Reduce 31.35% 0.35 $22.14–24.46 · VW $23.54i $862,427,000 SEC
2016   Q2 53,116,905 1.12 Reduce 7.22% 0.09 $18.88–23.13 · VW $21.57i $1,087,834,000 SEC
2016   Q1 57,248,905 1.22 Reduce 0.96% 0.01 $18.21–21.13 · VW $20.08i $1,195,930,000 SEC
2015   Q4 57,804,025 1.08 Add 21.18% 0.19 $16.13–19.12 · VW $17.85i $1,056,658,000 SEC
2015   Q3 47,702,466 0.85 Add 2.75% 0.02 $16.23–19.29 · VW $18.08i $816,666,000 SEC
2015   Q2 46,425,266 0.86 Reduce 16.83% 0.20 $15.42–21.29 · VW $17.97i $915,970,000 SEC
2015   Q1 55,821,375 1.21 Reduce 3.84% 0.05 $20.59–24.89 · VW $22.13i $1,266,029,000 SEC
2014   Q4 58,052,475 1.28 Add 0.68% <0.01 $20.38–25.16 · VW $23.31i $1,331,143,000 SEC
2014   Q3 57,660,438 1.09 Reduce 0.31% <0.01 $17.03–21.42 · VW $19.82i $1,115,153,000 SEC
2014   Q2 57,842,418 1.24 Reduce 0.27% <0.01 $19.56–22.37 · VW $20.93i $1,269,641,000 SEC
2014   Q1 57,996,868 1.27 Add 0.09% <0.01 $18.80–21.77 · VW $20.62i $1,207,495,000 SEC
2013   Q4 57,946,118 1.11 Reduce 0.92% <0.01 $16.55–19.44 · VW $18.42i $1,032,600,000 SEC
2013   Q3 58,482,118 1.00 Add 5.43% 0.05 $13.82–18.07 · VW $16.32i $853,254,000 SEC
2013   Q2 55,470,068 0.96 Buy 0.96 $13.86–15.79 · VW $14.56i $789,339,000 SEC
2013   Q1 0 0.00 Sell 100.00% 0.59 $12.29–16.43 · VW $14.70i SEC
2012   Q4 34,004,700 0.59 Add 0.72% <0.01 $11.75–13.09 · VW $12.48i $429,139,000 SEC
2012   Q3 33,761,150 0.78 Add 33.33% 0.19 $10.71–13.96 · VW $12.30i $443,959,000 SEC
2012   Q2 25,320,550 1.46 Add 3.12% 0.04 $10.62–13.39 · VW $12.00i $327,395,000 SEC
2012   Q1 24,553,850 1.49 Add 111.99% 0.79 $12.48–14.58 · VW $13.35i $345,718,000 SEC
2011   Q4 11,582,800 0.68 Buy 0.68 $12.41–14.62 · VW $13.36i $150,345,000 SEC
2010   Q4 0 0.00 Sell 100.00% <0.01 $17.79–23.43 · VW $21.43i SEC
2010   Q3 21,400 <0.01 $18.27 $391,000 SEC
2010   Q2 21,400 <0.01 $16.17 $346,000 SEC
2010   Q1 21,400 <0.01 $20.19 $432,000 SEC
2009   Q4 21,400 <0.01 $19.30 $413,000 SEC
2009   Q3 21,400 <0.01 $15.33 $328,000 SEC
2009   Q2 21,400 <0.01 $16.07 $344,000 SEC
2009   Q1 21,400 <0.01 Reduce 49.17% <0.01 $9.16–16.36 · VW $13.41i $284,000 SEC
2008   Q4 42,100 <0.01 $9.52 $401,000 SEC
2008   Q3 42,100 <0.01 Reduce 0.47% $7.36–20.94 · VW $12.44i $658,000 SEC
2008   Q2 42,300 <0.01 Add 0.48% $19.31–27.56 · VW $22.47i $975,000 SEC
2008   Q1 42,100 <0.01 Reduce 8.68% <0.01 $22.63–28.07 · VW $26.01i $1,012,000 SEC
2007   Q4 46,100 <0.01 $23.99 $1,106,000 SEC
2007   Q3 46,100 <0.01 Reduce 9.05% <0.01 $20.85–26.80 · VW $23.98i $1,136,000 SEC
2007   Q2 50,687 <0.01 $25.55 $1,295,000 SEC
2007   Q1 50,687 <0.01 $22.75 $1,153,000 SEC
2006   Q4 50,687 <0.01 Reduce 9.16% <0.01 $18.12–22.80 · VW $20.52i $948,000 SEC
2006   Q3 55,800 <0.01 $24.41 $1,362,000 SEC
2006   Q2 55,800 <0.01 $24.19 $1,350,000 SEC
2006   Q1 55,800 <0.01 Reduce 18.42% <0.01 $22.53–29.61 · VW $25.46i $1,502,000 SEC
2005   Q4 68,400 <0.01 Reduce 38.65% <0.01 $19.35–25.76 · VW $23.17i $1,345,000 SEC
2005   Q3 111,500 <0.01 Reduce 28.91% <0.01 $16.61–21.95 · VW $19.60i $2,155,000 SEC
2005   Q2 156,842 <0.01 Reduce 64.59% <0.01 $15.56–20.38 · VW $18.63i $2,607,000 SEC
2005   Q1 442,905 <0.01 Reduce 51.12% <0.01 $10.77–15.75 · VW $14.07i $4,930,000 SEC
2004   Q4 906,052 0.01 Reduce 12.06% <0.01 $10.61–12.85 · VW $11.64i $10,664,000 SEC
2004   Q3 1,030,299 0.02 Reduce 12.24% <0.01 $9.97–12.96 · VW $11.84i $11,416,000 SEC
2004   Q2 1,174,029 0.02 Reduce 30.28% 0.02 $9.29–13.19 · VW $10.87i $15,333,000 SEC
2004   Q1 1,683,838 0.07 Reduce 86.08% 0.36 $10.00–13.05 · VW $11.81i $18,825,000 SEC
2003   Q4 12,096,212 0.42 Reduce 78.84% 1.34 $9.85–13.89 · VW $12.10i $126,163,000 SEC
2003   Q3 57,153,124 1.70 Reduce 29.11% 0.53 $8.03–12.34 · VW $10.61i $538,382,000 SEC
2003   Q2 80,624,242 1.83 Reduce 23.68% 0.45 $6.90–8.85 · VW $8.00i $595,813,000 SEC
2003   Q1 105,643,692 1.91 Reduce 15.33% 0.19 $4.80–7.35 · VW $6.49i $616,959,000 SEC
2002   Q4 124,776,042 1.27 Add 6.88% 0.08 $3.10–5.65 · VW $4.56i $413,009,000 SEC
2002   Q3 116,748,242 0.65 Add 80337.26% 0.65 $1.10–4.65 · VW $3.39i $186,797,000 SEC
2002   Q2 145,142 <0.01 Add 87.66% <0.01 $1.50–4.80 · VW $2.77i $515,000 SEC
2002   Q1 77,342 <0.01 Add 7.06% <0.01 $4.76–8.90 · VW $6.15i $589,000 SEC
2001   Q4 72,242 <0.01 Reduce 3.22% <0.01 $6.14–11.15 · VW $8.01i $644,000 SEC
2001   Q3 74,642 <0.01 $8.82 $658,000 SEC
2001   Q2 74,642 <0.01 $16.71 $1,247,000 SEC
2001   Q1 74,642 <0.01 Reduce 6.24% <0.01 $18.19–32.37 · VW $23.16i $1,544,000 SEC
2000   Q4 79,613 0.02 Reduce 3.88% <0.01 $26.60–79.75 · VW $44.48i $4,205,000 SEC
2000   Q3 82,824 0.04 Reduce 22.03% 0.01 $56.13–113.33 · VW $75.99i $8,200,000 SEC
2000   Q2 106,224 0.05 Reduce 50.05% 0.04 $63.75–113.33 · VW $95.47i $9,555,000 SEC
2000   Q1 212,670 0.08 Reduce 32.41% 0.03 $42.83–75.48 · VW $60.88i $13,752,000 SEC
1999   Q4 314,670 0.08 Reduce 4.90% <0.01 $31.00–66.02 · VW $53.23i $13,524,000 SEC
1999   Q3 330,870 0.05 Reduce 9.63% <0.01 $20.88–33.96 · VW $28.69i $7,561,000 SEC
1999   Q2 366,120 0.05 Reduce 95.91% 1.08 $17.85–25.00 · VW $21.67i $8,558,000 SEC
1999   Q1 8,953,545 1.13 $20.00 $179,071,000 SEC
Price snapshot:
Current price$183.11
Avg. buy price$15.18
+/- since buy1,106.13%
52-week low$50.77
52-week high$271.78