Christopher Davis - Davis Selected Advisers
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    112
Portfolio value:    $21,781,443,023
Holdings Activity Buys Sells    History
Holding/activity history for  IDEXX Laboratories (IDXX)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2016   Q1 0 0.00 Sell 100.00% 0.08 SEC
2015   Q4 264,392 0.08 Reduce 57.60% 0.12 $72.92 $19,279,000 SEC
2015   Q3 623,573 0.20 Reduce 15.00% 0.03 $74.25 $46,300,000 SEC
2015   Q2 733,629 0.17 Add 106.28% 0.09 $64.14 $47,055,000 SEC
2015   Q1 355,648 0.20 Add 1.10% <0.01 $154.48 $54,941,000 SEC
2014   Q4 351,787 0.18 Add 8.75% 0.01 $148.27 $52,159,000 SEC
2014   Q3 323,495 0.12 Add 74.62% 0.05 $117.85 $38,125,000 SEC
2014   Q2 185,256 0.08 Add 3.16% <0.01 $133.57 $24,745,000 SEC
2014   Q1 179,579 0.06 Add 5.92% <0.01 $121.40 $21,801,000 SEC
2013   Q4 169,541 0.05 Add 0.65% <0.01 $106.37 $18,034,000 SEC
2013   Q3 168,443 0.04 Reduce 6.31% <0.01 $99.65 $16,785,000 SEC
2013   Q2 179,794 0.04 Reduce 18.12% <0.01 $89.69 $16,126,000 SEC
2012   Q2 219,573 0.05 Reduce 2.58% <0.01 $96.13 $21,108,000 SEC
2012   Q1 225,390 0.05 Reduce 15.88% <0.01 $87.45 $19,710,000 SEC
2011   Q4 267,944 0.05 Reduce 11.92% <0.01 $76.96 $20,621,000 SEC
2011   Q3 304,210 0.06 Add 2.20% <0.01 $68.97 $20,981,000 SEC
2011   Q2 297,670 0.05 Reduce 12.22% <0.01 $77.56 $23,087,000 SEC
2011   Q1 339,111 0.05 Reduce 25.61% 0.02 $77.22 $26,186,000 SEC
2010   Q4 455,838 0.07 Reduce 19.19% 0.02 $69.22 $31,553,000 SEC
2010   Q3 564,052 0.13 Reduce 7.64% <0.01 $61.72 $34,813,000 SEC
2010   Q2 610,688 0.07 Reduce 2.34% $60.90 $37,191,000 SEC
2010   Q1 625,344 0.00 Reduce 1.85% <0.01 $57.55 $35,989,000 SEC
2009   Q4 637,104 0.08 Reduce 2.14% <0.01 $53.45 $34,053,000 SEC
2009   Q3 651,008 0.08 Reduce 4.25% <0.01 $50.00 $32,550,000 SEC
2009   Q2 679,934 0.08 Reduce 18.62% 0.02 $46.20 $31,413,000 SEC
2009   Q1 835,528 0.10 Add 11.65% 0.01 $34.61 $28,914,000 SEC
2008   Q4 748,322 0.07 Add 6.52% <0.01 $35.90 $26,867,000 SEC
2008   Q3 702,543 0.08 Add 3.23% <0.01 $54.80 $38,499,000 SEC
2008   Q2 680,535 0.06 Reduce 6.77% <0.01 $48.74 $33,169,000 SEC
2008   Q1 729,922 0.06 Reduce 2.61% <0.01 $49.26 $35,956,000 SEC
2007   Q4 749,509 0.06 Add 54.81% 0.02 $58.63 $43,944,000 SEC
2007   Q3 484,141 0.04 Add 0.98% <0.01 $43.88 $21,246,000 SEC
2007   Q2 479,455 0.07 Add 9.88% <0.01 $94.63 $45,371,000 SEC
2007   Q1 436,346 0.06 Add 8.80% <0.01 $87.63 $38,237,000 SEC
2006   Q4 401,053 0.05 Reduce 22.83% 0.02 $79.30 $31,804,000 SEC
2006   Q3 519,704 0.09 Add 3.02% <0.01 $91.14 $47,366,000 SEC
2006   Q2 504,465 0.07 Add 31.50% 0.02 $75.13 $37,900,000 SEC
2006   Q1 383,610 0.07 Add 13.71% <0.01 $86.36 $33,129,000 SEC
2005   Q4 337,352 0.05 Add 16.29% <0.01 $71.98 $24,283,000 SEC
2005   Q3 290,099 0.04 Add 11.66% <0.01 $66.88 $19,402,000 SEC
2005   Q2 259,805 0.01 Add 3.47% <0.01 $62.33 $16,194,000 SEC
2005   Q1 251,091 0.00 Add 96.65% $54.16 $13,599,000 SEC
2004   Q4 127,682 0.00 Add 35.93% $54.59 $6,970,000 SEC
2004   Q3 93,930 <0.01 Buy <0.01 $50.74 $4,766,000 SEC