IDEXX Laboratories Inc (IDXX) stock
IDXXNasdaqIn Vitro & In Vivo Diagnostic SubstancesFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 4, 2026Score 19/309% above fair value
$551.21−24.77 (-4.30%)
Close on Oct 30, 2026Market cap $43.42BP/E 38.8Yield –
Price history
IDEXX Laboratories share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$551.21
-4.30% on the day
52-week range
$500.61 – $769.98
-28.4% from the high
Change over 52 weeks
-12.3%
From $628.54 on Oct 30, 2025
Average volume
577,702
Shares a day, last 90 sessions
| Date | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 30, 2026 | $583.75 | $586.00 | $540.61 | $551.21 | -4.30% | 1,174,194 |
| Oct 29, 2026 | $570.17 | $576.17 | $568.01 | $575.98 | +2.32% | 479,539 |
| Oct 28, 2026 | $556.78 | $567.77 | $555.21 | $562.91 | +0.30% | 351,839 |
| Oct 27, 2026 | $563.23 | $567.55 | $559.03 | $561.25 | -1.57% | 488,986 |
| Oct 26, 2026 | $564.23 | $571.75 | $557.94 | $570.21 | +1.75% | 528,163 |
| Oct 23, 2026 | $564.80 | $569.56 | $558.29 | $560.38 | -1.13% | 398,277 |
| Oct 22, 2026 | $562.01 | $568.67 | $558.39 | $566.76 | +2.40% | 430,117 |
| Oct 21, 2026 | $549.70 | $560.63 | $547.48 | $553.48 | -0.80% | 406,659 |
| Oct 20, 2026 | $559.14 | $561.83 | $552.78 | $557.93 | +0.38% | 439,773 |
| Oct 19, 2026 | $559.28 | $563.95 | $553.52 | $555.80 | -0.81% | 497,096 |
| Oct 16, 2026 | $553.60 | $566.55 | $552.62 | $560.36 | +2.41% | 708,920 |
| Oct 15, 2026 | $538.34 | $547.83 | $535.29 | $547.18 | +3.43% | 545,290 |
| Oct 14, 2026 | $520.20 | $529.63 | $518.84 | $529.01 | +1.67% | 824,669 |
| Oct 13, 2026 | $525.73 | $528.49 | $514.73 | $520.31 | -0.69% | 445,415 |
| Oct 12, 2026 | $518.00 | $525.76 | $515.13 | $523.94 | +1.15% | 552,787 |
| Oct 9, 2026 | $513.67 | $522.02 | $513.10 | $518.00 | +0.95% | 466,778 |
| Oct 8, 2026 | $506.67 | $514.51 | $506.12 | $513.14 | +1.28% | 696,677 |
| Oct 7, 2026 | $513.31 | $515.17 | $501.17 | $506.67 | -1.70% | 716,449 |
| Oct 6, 2026 | $529.14 | $531.38 | $512.54 | $515.41 | -2.21% | 502,360 |
| Oct 5, 2026 | $516.57 | $528.69 | $513.48 | $527.07 | +1.67% | 588,918 |
| Oct 2, 2026 | $523.50 | $524.02 | $516.02 | $518.39 | +0.12% | 288,816 |
| Oct 1, 2026 | $521.58 | $525.96 | $517.06 | $517.75 | -0.85% | 320,310 |
| Sep 30, 2026 | $531.09 | $531.11 | $521.78 | $522.19 | -2.11% | 503,525 |
| Sep 29, 2026 | $530.10 | $536.84 | $522.11 | $533.44 | +0.83% | 648,949 |
| Sep 28, 2026 | $516.53 | $530.15 | $515.12 | $529.06 | +1.89% | 391,986 |
| Sep 25, 2026 | $510.94 | $520.16 | $507.01 | $519.26 | +1.14% | 331,123 |
| Sep 24, 2026 | $520.88 | $524.12 | $511.73 | $513.39 | -1.65% | 328,292 |
| Sep 23, 2026 | $517.20 | $523.22 | $516.88 | $522.02 | +0.10% | 364,190 |
| Sep 22, 2026 | $519.27 | $523.95 | $511.73 | $521.50 | +1.20% | 476,541 |
| Sep 21, 2026 | $511.65 | $518.96 | $506.22 | $515.30 | +0.71% | 513,207 |
| Sep 18, 2026 | $506.48 | $516.43 | $505.21 | $511.65 | +1.02% | 1,124,663 |
| Sep 17, 2026 | $514.33 | $514.37 | $501.98 | $506.48 | -1.39% | 459,823 |
| Sep 16, 2026 | $511.56 | $520.41 | $509.02 | $513.62 | +0.57% | 376,066 |
| Sep 15, 2026 | $509.56 | $516.02 | $502.40 | $510.73 | +0.23% | 603,672 |
| Sep 14, 2026 | $510.83 | $515.48 | $505.02 | $509.56 | +0.96% | 454,139 |
| Sep 11, 2026 | $509.88 | $511.15 | $500.61 | $504.70 | -0.36% | 401,627 |
| Sep 10, 2026 | $508.44 | $514.30 | $504.77 | $506.53 | -1.67% | 422,340 |
| Sep 9, 2026 | $517.00 | $522.49 | $511.16 | $515.15 | -0.97% | 556,503 |
| Sep 8, 2026 | $528.42 | $529.02 | $519.07 | $520.21 | -2.83% | 613,034 |
| Sep 4, 2026 | $522.05 | $536.09 | $522.05 | $535.38 | +1.15% | 407,845 |
| Sep 3, 2026 | $542.02 | $548.85 | $527.74 | $529.29 | -1.80% | 590,417 |
| Sep 2, 2026 | $546.73 | $558.42 | $537.31 | $538.99 | -1.13% | 655,552 |
| Sep 1, 2026 | $555.95 | $555.95 | $541.53 | $545.16 | -2.07% | 458,287 |
| Aug 31, 2026 | $547.68 | $561.24 | $543.60 | $556.69 | +0.31% | 698,426 |
| Aug 28, 2026 | $547.81 | $556.01 | $545.48 | $554.99 | +1.82% | 340,987 |
| Aug 27, 2026 | $549.73 | $553.11 | $542.01 | $545.08 | -1.51% | 340,584 |
| Aug 26, 2026 | $544.13 | $555.71 | $544.13 | $553.44 | +0.62% | 349,441 |
| Aug 25, 2026 | $555.50 | $558.06 | $549.42 | $550.01 | -1.70% | 385,739 |
| Aug 24, 2026 | $559.21 | $562.19 | $554.23 | $559.51 | +0.46% | 388,927 |
| Aug 21, 2026 | $550.14 | $557.66 | $544.88 | $556.93 | +2.03% | 485,784 |
| Aug 20, 2026 | $562.05 | $563.13 | $543.60 | $545.86 | -2.91% | 610,645 |
| Aug 19, 2026 | $556.78 | $575.56 | $555.00 | $562.20 | +1.60% | 453,652 |
| Aug 18, 2026 | $553.73 | $559.46 | $549.75 | $553.32 | +1.32% | 570,336 |
| Aug 17, 2026 | $556.39 | $556.39 | $538.20 | $546.09 | -0.88% | 739,446 |
| Aug 14, 2026 | $569.14 | $569.14 | $549.19 | $550.96 | -2.82% | 530,362 |
| Aug 13, 2026 | $576.33 | $577.09 | $557.39 | $566.93 | -0.64% | 511,607 |
| Aug 12, 2026 | $580.00 | $584.15 | $568.22 | $570.58 | -2.74% | 513,961 |
| Aug 11, 2026 | $594.59 | $598.89 | $586.01 | $586.64 | -1.53% | 425,676 |
| Aug 10, 2026 | $581.90 | $602.00 | $579.48 | $595.76 | +1.55% | 579,106 |
| Aug 7, 2026 | $587.74 | $600.84 | $583.44 | $586.67 | -0.56% | 594,849 |
| Aug 6, 2026 | $585.88 | $591.80 | $574.99 | $590.00 | +0.89% | 644,236 |
| Aug 5, 2026 | $590.22 | $604.14 | $578.50 | $584.78 | -0.56% | 937,184 |
| Aug 4, 2026 | $602.33 | $624.15 | $584.26 | $588.09 | +3.57% | 1,561,686 |
| Aug 3, 2026 | $569.69 | $581.55 | $560.58 | $567.84 | +1.57% | 1,208,908 |
| Jul 31, 2026 | $553.08 | $563.05 | $549.33 | $559.07 | +0.05% | 630,912 |
| Jul 30, 2026 | $561.93 | $564.59 | $554.21 | $558.80 | -1.93% | 513,162 |
| Jul 29, 2026 | $567.59 | $575.20 | $562.21 | $569.77 | +0.04% | 455,210 |
| Jul 28, 2026 | $564.94 | $578.55 | $564.94 | $569.54 | +2.40% | 446,309 |
| Jul 27, 2026 | $550.77 | $563.86 | $548.00 | $556.20 | +2.18% | 512,647 |
| Jul 24, 2026 | $539.47 | $547.69 | $535.85 | $544.32 | +0.92% | 437,376 |
| Jul 23, 2026 | $542.17 | $547.61 | $534.36 | $539.37 | -1.03% | 459,356 |
| Jul 22, 2026 | $554.62 | $556.97 | $543.01 | $545.00 | -1.35% | 478,726 |
| Jul 21, 2026 | $553.01 | $562.02 | $545.57 | $552.46 | -2.01% | 429,121 |
| Jul 20, 2026 | $569.95 | $569.95 | $561.02 | $563.81 | -0.64% | 407,906 |
| Jul 17, 2026 | $570.76 | $579.40 | $561.15 | $567.44 | -1.50% | 535,569 |
| Jul 16, 2026 | $560.91 | $581.37 | $558.14 | $576.07 | +3.42% | 615,502 |
| Jul 15, 2026 | $541.71 | $568.49 | $538.00 | $557.02 | +3.02% | 953,299 |
| Jul 14, 2026 | $559.60 | $559.60 | $536.14 | $540.68 | -4.17% | 780,143 |
| Jul 13, 2026 | $560.36 | $571.55 | $557.65 | $564.21 | +0.11% | 522,942 |
| Jul 10, 2026 | $561.93 | $573.02 | $559.72 | $563.57 | +0.89% | 612,526 |
| Jul 9, 2026 | $552.47 | $562.02 | $547.38 | $558.60 | +0.53% | 992,897 |
| Jul 8, 2026 | $562.82 | $562.82 | $549.42 | $555.67 | -2.56% | 578,564 |
| Jul 7, 2026 | $571.97 | $577.15 | $563.35 | $570.25 | +0.93% | 610,399 |
| Jul 6, 2026 | $561.40 | $567.08 | $547.93 | $564.98 | +1.29% | 631,659 |
| Jul 2, 2026 | $543.71 | $559.91 | $538.87 | $557.80 | +3.76% | 813,893 |
| Jul 1, 2026 | $533.61 | $539.09 | $528.71 | $537.58 | +2.12% | 663,236 |
| Jun 30, 2026 | $535.93 | $535.93 | $518.55 | $526.44 | -1.77% | 763,434 |
| Jun 29, 2026 | $551.92 | $556.24 | $534.66 | $535.93 | -2.82% | 799,335 |
| Jun 26, 2026 | $554.09 | $561.15 | $547.19 | $551.50 | -0.62% | 1,314,756 |
| Jun 25, 2026 | $549.99 | $570.84 | $545.66 | $554.94 | +1.05% | 628,911 |
| Jun 24, 2026 | $542.57 | $560.92 | $539.30 | $549.16 | +1.45% | 643,423 |
| Jun 23, 2026 | $548.75 | $552.25 | $538.44 | $541.31 | -0.81% | 652,228 |
| Jun 22, 2026 | $555.92 | $562.74 | $540.99 | $545.73 | -2.91% | 627,647 |
| Jun 18, 2026 | $549.29 | $563.85 | $546.18 | $562.09 | +2.93% | 1,240,833 |
| Jun 17, 2026 | $567.36 | $573.00 | $543.89 | $546.09 | -4.70% | 619,465 |
| Jun 16, 2026 | $573.28 | $574.08 | $567.36 | $573.00 | +0.53% | 498,691 |
| Jun 15, 2026 | $565.17 | $572.10 | $565.07 | $570.00 | +1.63% | 556,869 |
| Jun 12, 2026 | $558.44 | $561.74 | $552.23 | $560.88 | +0.53% | 516,570 |
| Jun 11, 2026 | $553.31 | $567.10 | $549.98 | $557.91 | +0.17% | 612,175 |
| Jun 10, 2026 | $574.47 | $575.43 | $555.86 | $556.94 | -3.79% | 591,805 |
| Jun 9, 2026 | $563.55 | $581.47 | $559.08 | $578.89 | +3.16% | 452,380 |
| Jun 8, 2026 | $560.23 | $566.78 | $555.00 | $561.17 | -0.18% | 370,587 |
| Jun 5, 2026 | $567.07 | $569.06 | $560.38 | $562.16 | -0.46% | 459,092 |
| Jun 4, 2026 | $565.89 | $577.49 | $555.53 | $564.74 | +0.72% | 631,300 |
| Jun 3, 2026 | $549.44 | $562.16 | $547.57 | $560.73 | +1.80% | 891,269 |
| Jun 2, 2026 | $560.16 | $560.16 | $548.93 | $550.82 | -2.82% | 669,227 |
| Jun 1, 2026 | $555.96 | $571.88 | $552.25 | $566.79 | +0.58% | 604,388 |
| May 29, 2026 | $567.41 | $573.50 | $562.89 | $563.53 | -0.79% | 1,417,151 |
| May 28, 2026 | $550.99 | $570.26 | $547.90 | $568.03 | +3.09% | 725,840 |
| May 27, 2026 | $555.55 | $560.73 | $548.53 | $550.99 | -1.12% | 504,729 |
| May 26, 2026 | $554.72 | $559.83 | $550.27 | $557.21 | -0.39% | 425,115 |
| May 22, 2026 | $551.46 | $562.30 | $549.75 | $559.37 | +1.14% | 466,004 |
| May 21, 2026 | $548.06 | $556.72 | $539.44 | $553.07 | -0.09% | 430,734 |
| May 20, 2026 | $546.14 | $554.28 | $535.95 | $553.58 | +1.30% | 619,024 |
| May 19, 2026 | $547.99 | $561.28 | $543.72 | $546.49 | +0.13% | 719,671 |
| May 18, 2026 | $532.16 | $551.08 | $531.70 | $545.79 | +3.21% | 644,929 |
| May 15, 2026 | $534.72 | $540.95 | $527.12 | $528.79 | -0.76% | 659,261 |
| May 14, 2026 | $528.68 | $544.81 | $528.02 | $532.86 | +0.79% | 786,082 |
| May 13, 2026 | $531.81 | $533.39 | $523.38 | $528.68 | -0.98% | 600,867 |
| May 12, 2026 | $534.24 | $543.38 | $532.98 | $533.92 | +0.36% | 674,172 |
| May 11, 2026 | $559.90 | $559.90 | $524.62 | $532.00 | -5.02% | 761,446 |
| May 8, 2026 | $572.20 | $572.20 | $555.19 | $560.11 | -2.11% | 476,636 |
| May 7, 2026 | $581.12 | $585.12 | $566.02 | $572.20 | -1.21% | 758,922 |
| May 6, 2026 | $561.85 | $580.65 | $550.45 | $579.23 | +2.89% | 665,236 |
| May 5, 2026 | $569.21 | $584.72 | $550.00 | $562.97 | -0.03% | 734,511 |
| May 4, 2026 | $564.51 | $570.63 | $554.03 | $563.12 | -0.76% | 711,885 |
| May 1, 2026 | $564.70 | $572.28 | $555.57 | $567.46 | +1.19% | 610,616 |
| Apr 30, 2026 | $554.33 | $562.71 | $548.07 | $560.80 | +1.29% | 717,070 |
| Apr 29, 2026 | $561.98 | $563.69 | $544.01 | $553.66 | -2.58% | 617,522 |
| Apr 28, 2026 | $575.16 | $579.15 | $563.90 | $568.30 | -1.16% | 539,186 |
| Apr 27, 2026 | $563.47 | $579.62 | $562.49 | $574.95 | +1.59% | 665,664 |
| Apr 24, 2026 | $556.92 | $567.94 | $552.00 | $565.93 | +0.89% | 598,219 |
| Apr 23, 2026 | $577.85 | $577.85 | $554.49 | $560.93 | -3.01% | 629,641 |
| Apr 22, 2026 | $570.86 | $584.52 | $570.86 | $578.35 | +1.64% | 364,699 |
| Apr 21, 2026 | $584.47 | $592.51 | $567.31 | $569.01 | -2.41% | 578,219 |
| Apr 20, 2026 | $582.67 | $590.25 | $579.97 | $583.06 | -1.05% | 638,151 |
| Apr 17, 2026 | $583.11 | $594.52 | $577.37 | $589.25 | +3.39% | 493,541 |
| Apr 16, 2026 | $580.76 | $584.84 | $569.31 | $569.95 | -1.86% | 337,654 |
| Apr 15, 2026 | $583.04 | $585.38 | $577.37 | $580.76 | -0.56% | 354,719 |
| Apr 14, 2026 | $573.15 | $585.74 | $571.07 | $584.05 | +1.75% | 455,110 |
| Apr 13, 2026 | $559.33 | $576.11 | $558.31 | $574.00 | +1.95% | 458,977 |
| Apr 10, 2026 | $579.67 | $582.24 | $559.39 | $563.00 | -3.72% | 498,588 |
| Apr 9, 2026 | $584.16 | $588.58 | $580.39 | $584.75 | -1.20% | 448,132 |
| Apr 8, 2026 | $601.17 | $605.82 | $588.43 | $591.84 | +2.96% | 451,584 |
| Apr 7, 2026 | $577.44 | $579.93 | $569.72 | $574.80 | -0.46% | 621,551 |
| Apr 6, 2026 | $566.17 | $580.90 | $565.87 | $577.44 | +1.39% | 588,573 |
| Apr 2, 2026 | $552.05 | $575.43 | $548.56 | $569.55 | +0.87% | 734,284 |
| Apr 1, 2026 | $561.67 | $568.75 | $557.50 | $564.66 | +0.49% | 490,643 |
| Mar 31, 2026 | $560.04 | $566.57 | $548.51 | $561.89 | +0.86% | 823,210 |
| Mar 30, 2026 | $560.95 | $567.71 | $555.73 | $557.09 | -0.22% | 460,739 |
| Mar 27, 2026 | $576.54 | $576.87 | $557.35 | $558.32 | -2.61% | 445,573 |
| Mar 26, 2026 | $575.26 | $586.21 | $570.98 | $573.29 | -0.42% | 432,472 |
| Mar 25, 2026 | $581.10 | $581.63 | $562.35 | $575.72 | +0.97% | 419,924 |
| Mar 24, 2026 | $573.40 | $576.51 | $565.33 | $570.21 | -1.43% | 361,537 |
| Mar 23, 2026 | $592.60 | $594.77 | $577.91 | $578.51 | +0.22% | 415,944 |
| Mar 20, 2026 | $576.78 | $581.36 | $569.89 | $577.26 | -0.45% | 765,323 |
| Mar 19, 2026 | $577.62 | $586.01 | $575.51 | $579.85 | +0.47% | 482,600 |
| Mar 18, 2026 | $581.91 | $586.95 | $574.85 | $577.12 | -1.68% | 542,346 |
| Mar 17, 2026 | $591.85 | $599.97 | $586.62 | $586.98 | +0.10% | 426,773 |
| Mar 16, 2026 | $577.51 | $592.59 | $576.54 | $586.37 | +2.19% | 510,676 |
| Mar 13, 2026 | $576.24 | $578.29 | $567.62 | $573.82 | +0.46% | 456,367 |
| Mar 12, 2026 | $592.87 | $596.24 | $570.35 | $571.21 | -4.88% | 800,669 |
| Mar 11, 2026 | $598.43 | $603.30 | $585.09 | $600.52 | +0.28% | 409,209 |
| Mar 10, 2026 | $607.96 | $610.43 | $598.10 | $598.85 | -1.90% | 463,189 |
| Mar 9, 2026 | $601.52 | $611.62 | $594.32 | $610.45 | +0.34% | 477,678 |
| Mar 6, 2026 | $607.59 | $615.48 | $594.94 | $608.41 | -1.70% | 560,469 |
| Mar 5, 2026 | $634.08 | $639.38 | $614.25 | $618.92 | -4.59% | 611,048 |
| Mar 4, 2026 | $633.50 | $651.06 | $630.24 | $648.70 | +2.07% | 561,212 |
| Mar 3, 2026 | $627.91 | $644.20 | $624.95 | $635.54 | -0.18% | 501,607 |
| Mar 2, 2026 | $639.48 | $647.04 | $627.39 | $636.70 | -3.05% | 522,289 |
| Feb 27, 2026 | $650.04 | $661.28 | $644.54 | $656.73 | -0.60% | 799,020 |
| Feb 26, 2026 | $657.57 | $666.14 | $650.00 | $660.71 | +0.51% | 414,383 |
| Feb 25, 2026 | $650.30 | $663.13 | $650.30 | $657.38 | +1.26% | 504,574 |
| Feb 24, 2026 | $623.13 | $652.64 | $617.00 | $649.23 | +4.19% | 790,942 |
| Feb 23, 2026 | $628.94 | $631.80 | $618.56 | $623.13 | -1.97% | 515,653 |
| Feb 20, 2026 | $626.75 | $638.14 | $625.22 | $635.66 | +0.78% | 301,705 |
| Feb 19, 2026 | $634.71 | $639.29 | $625.78 | $630.73 | -0.66% | 307,676 |
| Feb 18, 2026 | $625.89 | $639.19 | $623.42 | $634.90 | +1.39% | 348,238 |
| Feb 17, 2026 | $628.36 | $632.70 | $623.28 | $626.17 | -0.51% | 440,580 |
| Feb 13, 2026 | $616.77 | $636.05 | $606.04 | $629.35 | +1.97% | 543,964 |
| Feb 12, 2026 | $651.49 | $651.57 | $616.14 | $617.20 | -4.86% | 629,030 |
| Feb 11, 2026 | $640.92 | $649.74 | $636.77 | $648.73 | +0.34% | 400,161 |
| Feb 10, 2026 | $643.54 | $650.66 | $638.50 | $646.53 | +1.05% | 491,110 |
| Feb 9, 2026 | $647.72 | $647.72 | $629.73 | $639.79 | -0.75% | 518,234 |
| Feb 6, 2026 | $642.39 | $650.38 | $639.03 | $644.61 | +0.16% | 562,640 |
| Feb 5, 2026 | $643.83 | $651.35 | $636.36 | $643.59 | +0.10% | 710,006 |
| Feb 4, 2026 | $638.13 | $647.21 | $629.14 | $642.94 | +1.64% | 615,030 |
| Feb 3, 2026 | $635.59 | $650.72 | $629.27 | $632.56 | -1.10% | 634,137 |
| Feb 2, 2026 | $657.01 | $658.75 | $622.37 | $639.60 | -4.60% | 1,016,270 |
| Jan 30, 2026 | $672.79 | $682.99 | $668.99 | $670.46 | -0.92% | 762,074 |
| Jan 29, 2026 | $684.06 | $687.91 | $671.64 | $676.71 | -1.60% | 553,803 |
| Jan 28, 2026 | $686.91 | $694.70 | $679.32 | $687.74 | -1.01% | 426,388 |
| Jan 27, 2026 | $697.14 | $705.82 | $692.64 | $694.75 | -0.44% | 416,107 |
| Jan 26, 2026 | $691.04 | $704.72 | $690.45 | $697.82 | +0.57% | 379,232 |
| Jan 23, 2026 | $689.82 | $698.29 | $687.46 | $693.85 | +0.41% | 279,293 |
| Jan 22, 2026 | $697.44 | $703.54 | $688.70 | $691.05 | -0.78% | 453,761 |
| Jan 21, 2026 | $689.15 | $709.24 | $681.00 | $696.46 | +1.52% | 556,558 |
| Jan 20, 2026 | $693.79 | $699.48 | $682.85 | $686.02 | -4.10% | 560,688 |
| Jan 16, 2026 | $715.05 | $719.95 | $710.96 | $715.37 | +0.46% | 532,116 |
| Jan 15, 2026 | $711.00 | $715.11 | $707.42 | $712.12 | +0.23% | 320,411 |
| Jan 14, 2026 | $710.21 | $712.20 | $701.49 | $710.48 | -0.50% | 369,596 |
| Jan 13, 2026 | $717.91 | $726.41 | $707.88 | $714.04 | -1.48% | 335,996 |
| Jan 12, 2026 | $708.86 | $725.53 | $702.01 | $724.76 | +1.60% | 503,005 |
| Jan 9, 2026 | $707.33 | $717.33 | $706.73 | $713.35 | +0.13% | 511,425 |
| Jan 8, 2026 | $707.29 | $713.99 | $694.52 | $712.39 | -0.30% | 543,118 |
| Jan 7, 2026 | $706.08 | $724.99 | $704.72 | $714.55 | +1.09% | 542,668 |
| Jan 6, 2026 | $677.86 | $707.53 | $675.90 | $706.83 | +3.61% | 497,519 |
| Jan 5, 2026 | $670.21 | $684.96 | $667.66 | $682.23 | +1.83% | 518,955 |
| Jan 2, 2026 | $676.53 | $678.89 | $661.89 | $669.99 | -0.97% | 442,935 |
| Dec 31, 2025 | $680.82 | $684.29 | $675.88 | $676.53 | -0.85% | 292,303 |
| Dec 30, 2025 | $683.90 | $687.83 | $680.88 | $682.32 | -0.81% | 432,357 |
| Dec 29, 2025 | $687.71 | $690.05 | $680.46 | $687.89 | -0.09% | 289,007 |
| Dec 26, 2025 | $687.15 | $689.10 | $682.74 | $688.48 | +0.04% | 206,701 |
| Dec 24, 2025 | $683.97 | $689.06 | $680.09 | $688.18 | +0.86% | 219,352 |
| Dec 23, 2025 | $695.96 | $700.00 | $676.06 | $682.31 | -2.82% | 586,333 |
| Dec 22, 2025 | $701.81 | $705.89 | $695.56 | $702.12 | +0.25% | 353,937 |
| Dec 19, 2025 | $694.80 | $705.95 | $689.98 | $700.34 | +0.46% | 1,682,541 |
| Dec 18, 2025 | $699.26 | $711.68 | $693.37 | $697.10 | +0.22% | 483,773 |
| Dec 17, 2025 | $692.00 | $705.66 | $688.50 | $695.60 | +0.35% | 473,480 |
| Dec 16, 2025 | $697.51 | $703.71 | $687.68 | $693.18 | -1.05% | 711,702 |
| Dec 15, 2025 | $711.29 | $711.29 | $695.56 | $700.55 | -0.52% | 571,614 |
| Dec 12, 2025 | $710.46 | $715.19 | $697.26 | $704.20 | -0.47% | 460,689 |
| Dec 11, 2025 | $700.94 | $716.45 | $696.88 | $707.50 | +0.81% | 417,415 |
| Dec 10, 2025 | $702.19 | $707.46 | $693.72 | $701.83 | +0.40% | 529,485 |
| Dec 9, 2025 | $710.41 | $718.00 | $698.39 | $699.06 | -1.07% | 409,302 |
| Dec 8, 2025 | $717.47 | $721.50 | $705.00 | $706.65 | -1.04% | 411,678 |
| Dec 5, 2025 | $720.72 | $722.71 | $710.51 | $714.10 | -0.47% | 386,665 |
| Dec 4, 2025 | $725.56 | $732.03 | $714.17 | $717.47 | -1.17% | 526,358 |
| Dec 3, 2025 | $738.69 | $739.15 | $724.74 | $725.93 | -0.93% | 505,139 |
| Dec 2, 2025 | $732.40 | $738.33 | $722.29 | $732.73 | +0.52% | 761,358 |
| Dec 1, 2025 | $741.57 | $746.77 | $727.15 | $728.97 | -3.18% | 805,052 |
| Nov 28, 2025 | $756.02 | $757.24 | $748.00 | $752.88 | -0.41% | 209,005 |
| Nov 26, 2025 | $767.81 | $769.98 | $753.61 | $755.96 | -1.40% | 426,224 |
| Nov 25, 2025 | $751.75 | $769.24 | $750.36 | $766.68 | +1.93% | 660,840 |
| Nov 24, 2025 | $733.05 | $759.33 | $726.81 | $752.14 | +3.61% | 1,314,075 |
| Nov 21, 2025 | $690.10 | $735.59 | $688.14 | $725.91 | +5.30% | 972,621 |
| Nov 20, 2025 | $697.82 | $710.72 | $688.48 | $689.35 | -1.11% | 767,780 |
| Nov 19, 2025 | $673.75 | $701.74 | $670.21 | $697.10 | +4.01% | 1,010,481 |
| Nov 18, 2025 | $670.18 | $681.63 | $665.25 | $670.21 | +0.18% | 574,656 |
| Nov 17, 2025 | $689.93 | $697.93 | $666.97 | $669.00 | -3.03% | 496,046 |
| Nov 14, 2025 | $695.92 | $699.66 | $688.66 | $689.93 | -1.65% | 468,535 |
| Nov 13, 2025 | $709.83 | $715.89 | $698.18 | $701.48 | -1.69% | 473,431 |
| Nov 12, 2025 | $712.47 | $719.25 | $707.53 | $713.56 | +0.15% | 468,633 |
| Nov 11, 2025 | $710.94 | $718.52 | $709.09 | $712.47 | +0.41% | 291,967 |
| Nov 10, 2025 | $708.06 | $713.03 | $699.85 | $709.59 | +0.16% | 351,727 |
| Nov 7, 2025 | $710.15 | $716.71 | $700.20 | $708.45 | -0.74% | 409,936 |
| Nov 6, 2025 | $712.48 | $720.00 | $694.00 | $713.74 | -0.90% | 1,095,000 |
| Nov 5, 2025 | $724.36 | $728.95 | $701.61 | $720.21 | -0.26% | 590,823 |
| Nov 4, 2025 | $717.44 | $726.50 | $706.59 | $722.12 | -0.11% | 680,909 |
| Nov 3, 2025 | $693.00 | $735.00 | $691.73 | $722.94 | +14.84% | 1,652,764 |
| Oct 31, 2025 | $634.51 | $641.30 | $628.90 | $629.51 | +0.15% | 974,387 |
| Oct 30, 2025 | $627.66 | $632.94 | $626.87 | $628.54 | +0.14% | 373,168 |
| Oct 29, 2025 | $635.41 | $635.41 | $622.08 | $627.66 | -1.06% | 489,964 |
| Oct 28, 2025 | $640.53 | $646.00 | $633.18 | $634.36 | -2.01% | 397,172 |
| Oct 27, 2025 | $644.46 | $649.07 | $639.11 | $647.40 | +1.02% | 452,626 |
| Oct 24, 2025 | $641.76 | $650.37 | $639.08 | $640.85 | +0.35% | 368,181 |
| Oct 23, 2025 | $631.25 | $641.47 | $630.70 | $638.60 | +0.76% | 532,713 |
| Oct 22, 2025 | $642.41 | $642.41 | $628.60 | $633.78 | -0.53% | 465,451 |
| Oct 21, 2025 | $641.64 | $643.00 | $630.49 | $637.13 | -0.98% | 408,089 |
| Oct 20, 2025 | $638.20 | $644.92 | $634.91 | $643.41 | – | 327,360 |
Seasonality
IDXX return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 2.7% | 3.7% | -1.2% | 1.2% | 3.3% | 2.4% | 7.4% | -0.2% | -3.8% | -0.2% | 4.1% | 1.6% |
| Months up | 6 of 10 | 6 of 10 | 5 of 10 | 6 of 10 | 8 of 10 | 6 of 10 | 8 of 10 | 4 of 10 | 3 of 10 | 6 of 10 | 5 of 9 | 4 of 9 |
| 2026 | -0.9% | -2.0% | -14.4% | -0.2% | 0.5% | -6.6% | 6.2% | -0.4% | -6.2% | 5.6% | ||
| 2025 | 2.1% | 3.6% | -3.9% | 3.0% | 18.7% | 4.5% | -0.4% | 21.1% | -1.3% | -1.5% | 19.6% | -10.1% |
| 2024 | -7.2% | 11.7% | -6.1% | -8.7% | 0.9% | -2.0% | -2.3% | 1.1% | 5.0% | -19.5% | 3.6% | -2.0% |
| 2023 | 17.8% | -1.5% | 5.7% | -1.6% | -5.6% | 8.1% | 10.5% | -7.8% | -14.5% | -8.6% | 16.6% | 19.2% |
| 2022 | -23.0% | 4.9% | 2.8% | -21.3% | -9.0% | -10.4% | 13.8% | -12.9% | -6.3% | 10.4% | 18.4% | -4.2% |
| 2021 | -4.2% | 8.7% | -5.9% | 12.2% | 1.7% | 13.2% | 7.4% | -0.7% | -7.7% | 7.1% | -8.7% | 8.3% |
| 2020 | 3.8% | -6.1% | -4.8% | 14.6% | 11.3% | 6.9% | 20.5% | -1.7% | 0.5% | 8.1% | 8.5% | 8.4% |
| 2019 | 14.4% | -0.8% | 6.0% | 3.8% | 7.7% | 10.2% | 2.4% | 2.7% | -6.1% | 4.8% | -11.7% | 3.8% |
| 2018 | 19.6% | 0.1% | 2.2% | 1.6% | 7.1% | 4.7% | 12.4% | 3.7% | -1.7% | -15.0% | -3.9% | -8.7% |
| 2017 | 4.3% | 18.5% | 6.7% | 8.5% | 0.4% | -4.1% | 3.1% | -6.6% | 0.0% | 6.9% | -5.9% | -0.0% |