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, Inc. (IDXX)
← All IDXX superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2016   Q1 0 0.00 Sell 100.00% 0.08 $63.48–79.03 · VW $71.88i SEC
2015   Q4 264,392 0.08 Reduce 57.60% 0.12 $65.03–77.27 · VW $70.50i $19,279,000 SEC
2015   Q3 623,573 0.20 Reduce 15.00% 0.03 $61.58–79.62 · VW $71.85i $46,300,000 SEC
2015   Q2 733,629 0.17 Add 3.14% <0.01 $61.37–82.24 · VW $66.99i $47,055,000 SEC
2015   Q1 711,296 0.20 Add 1.10% <0.01 $72.38–84.25 · VW $78.07i $54,941,000 SEC
2014   Q4 703,574 0.18 Add 8.75% 0.01 $57.56–76.94 · VW $70.59i $52,159,000 SEC
2014   Q3 646,990 0.12 Add 74.62% 0.05 $56.74–70.00 · VW $62.08i $38,125,000 SEC
2014   Q2 370,512 0.08 Add 3.16% <0.01 $57.92–68.07 · VW $63.84i $24,745,000 SEC
2014   Q1 359,158 0.06 Add 5.92% <0.01 $52.32–64.64 · VW $59.20i $21,801,000 SEC
2013   Q4 339,082 0.05 Add 0.65% <0.01 $49.56–56.56 · VW $52.80i $18,034,000 SEC
2013   Q3 336,886 0.04 Reduce 6.31% <0.01 $43.99–50.19 · VW $47.90i $16,785,000 SEC
2013   Q2 359,588 0.04 Reduce 1.82% <0.01 $40.78–46.30 · VW $43.48i $16,126,000 SEC
2013   Q1 366,246 0.04 Reduce 2.20% <0.01 $45.10–50.40 · VW $47.08i $16,919,000 SEC
2012   Q4 374,490 0.05 Reduce 7.85% <0.01 $43.76–50.03 · VW $47.05i $17,376,000 SEC
2012   Q3 406,392 0.05 Reduce 7.46% <0.01 $43.18–50.59 · VW $46.74i $20,188,000 SEC
2012   Q2 439,146 0.05 Reduce 2.58% <0.01 $40.65–48.40 · VW $43.96i $21,108,000 SEC
2012   Q1 450,780 0.05 Reduce 15.88% <0.01 $38.90–44.75 · VW $42.60i $19,710,000 SEC
2011   Q4 535,888 0.05 Reduce 11.92% <0.01 $31.92–39.65 · VW $36.58i $20,621,000 SEC
2011   Q3 608,420 0.06 Add 2.20% <0.01 $34.46–43.65 · VW $38.78i $20,981,000 SEC
2011   Q2 595,340 0.05 Reduce 12.22% <0.01 $35.99–41.46 · VW $39.11i $23,087,000 SEC
2011   Q1 678,222 0.05 Reduce 25.61% 0.02 $33.65–39.94 · VW $37.15i $26,186,000 SEC
2010   Q4 911,676 0.07 Reduce 19.19% 0.01 $29.83–36.20 · VW $32.13i $31,553,000 SEC
2010   Q3 1,128,104 0.06 Reduce 7.64% <0.01 $27.40–32.00 · VW $29.48i $34,813,000 SEC
2010   Q2 1,221,376 0.07 Reduce 2.34% $28.66–34.28 · VW $31.69i $37,191,000 SEC
2010   Q1 1,250,688 0.00 Reduce 1.85% <0.01 $24.51–29.98 · VW $27.06i $35,989,000 SEC
2009   Q4 1,274,208 0.08 Reduce 2.14% <0.01 $23.76–27.84 · VW $25.82i $34,053,000 SEC
2009   Q3 1,302,016 0.08 Reduce 4.25% <0.01 $21.74–27.56 · VW $24.73i $32,550,000 SEC
2009   Q2 1,359,868 0.08 Reduce 18.62% 0.02 $16.53–23.45 · VW $20.44i $31,413,000 SEC
2009   Q1 1,671,056 0.10 Add 11.65% 0.01 $13.84–18.44 · VW $16.32i $28,914,000 SEC
2008   Q4 1,496,644 0.07 Add 6.52% <0.01 $12.06–27.23 · VW $17.53i $26,867,000 SEC
2008   Q3 1,405,086 0.08 Add 3.23% <0.01 $23.94–31.79 · VW $27.02i $38,499,000 SEC
2008   Q2 1,361,070 0.06 Reduce 6.77% <0.01 $23.35–27.93 · VW $25.69i $33,169,000 SEC
2008   Q1 1,459,844 0.06 Reduce 2.61% <0.01 $23.73–30.93 · VW $27.18i $35,956,000 SEC
2007   Q4 1,499,018 0.06 Reduce 22.59% <0.01 $26.79–32.34 · VW $29.90i $43,944,000 SEC
2007   Q3 1,936,564 0.04 Add 0.98% <0.01 $23.48–29.62 · VW $26.73i $21,246,000 SEC
2007   Q2 1,917,820 0.07 Add 9.88% <0.01 $21.41–24.23 · VW $22.70i $45,371,000 SEC
2007   Q1 1,745,384 0.06 Add 8.80% <0.01 $19.42–22.38 · VW $21.32i $38,237,000 SEC
2006   Q4 1,604,212 0.05 Reduce 22.83% 0.02 $19.54–23.88 · VW $21.04i $31,804,000 SEC
2006   Q3 2,078,816 0.09 Add 3.02% <0.01 $18.11–23.75 · VW $22.27i $47,366,000 SEC
2006   Q2 2,017,860 0.07 Add 31.50% 0.02 $18.23–21.67 · VW $19.69i $37,900,000 SEC
2006   Q1 1,534,440 0.07 Add 13.71% <0.01 $17.65–21.68 · VW $19.73i $33,129,000 SEC
2005   Q4 1,349,408 0.05 Add 16.29% <0.01 $15.28–18.78 · VW $17.52i $24,283,000 SEC
2005   Q3 1,160,396 0.04 Add 11.66% <0.01 $15.04–16.99 · VW $16.03i $19,402,000 SEC
2005   Q2 1,039,220 0.01 Add 3.47% <0.01 $13.23–15.75 · VW $14.57i $16,194,000 SEC
2005   Q1 1,004,364 0.00 Add 96.65% $13.05–14.56 · VW $13.96i $13,599,000 SEC
2004   Q4 510,728 0.00 Add 35.93% $11.70–13.76 · VW $12.75i $6,970,000 SEC
2004   Q3 375,720 <0.01 Buy <0.01 $11.36–16.13 · VW $12.89i $4,766,000 SEC
Price snapshot:
Current price$564.21
52-week low$506.91
52-week high$769.98