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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 week, newest first. Adjusted for stock splits, not for dividends.

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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
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$564.23$586.00$540.61$551.21-1.64%3,022,721
Oct 19, 2026$559.28$569.56$547.48$560.38+0.00%2,171,922
Oct 12, 2026$518.00$566.55$514.73$560.36+8.18%3,077,081
Oct 5, 2026$516.57$531.38$501.17$518.00-0.08%2,971,182
Sep 28, 2026$516.53$536.84$515.12$518.39-0.17%2,153,586
Sep 21, 2026$511.65$524.12$506.22$519.26+1.49%2,013,353
Sep 14, 2026$510.83$520.41$501.98$511.65+1.38%3,018,363
Sep 8, 2026$528.42$529.02$500.61$504.70-5.73%1,993,504
Aug 31, 2026$547.68$561.24$522.05$535.38-3.53%2,810,527
Aug 24, 2026$559.21$562.19$542.01$554.99-0.35%1,805,678
Aug 17, 2026$556.39$575.56$538.20$556.93+1.08%2,859,863
Aug 10, 2026$581.90$602.00$549.19$550.96-6.09%2,560,712
Aug 3, 2026$569.69$624.15$560.58$586.67+4.94%4,946,863
Jul 27, 2026$550.77$578.55$548.00$559.07+2.71%2,558,240
Jul 20, 2026$569.95$569.95$534.36$544.32-4.07%2,212,485
Jul 13, 2026$560.36$581.37$536.14$567.44+0.69%3,407,455
Jul 6, 2026$561.40$577.15$547.38$563.57+1.03%3,426,045
Jun 29, 2026$551.92$559.91$518.55$557.80+1.14%3,039,898
Jun 22, 2026$555.92$570.84$538.44$551.50-1.88%3,866,965
Jun 15, 2026$565.17$574.08$543.89$562.09+0.22%2,915,858
Jun 8, 2026$560.23$581.47$549.98$560.88-0.23%2,543,517
Jun 1, 2026$555.96$577.49$547.57$562.16-0.24%3,255,276
May 26, 2026$554.72$573.50$547.90$563.53+0.74%3,072,835
May 18, 2026$532.16$562.30$531.70$559.37+5.78%2,880,362
May 11, 2026$559.90$559.90$523.38$528.79-5.59%3,481,828
May 4, 2026$564.51$585.12$550.00$560.11-1.30%3,347,190
Apr 27, 2026$563.47$579.62$544.01$567.46+0.27%3,150,058
Apr 20, 2026$582.67$592.51$552.00$565.93-3.96%2,808,929
Apr 13, 2026$559.33$594.52$558.31$589.25+4.66%2,100,001
Apr 6, 2026$566.17$605.82$559.39$563.00-1.15%2,608,428
Mar 30, 2026$560.95$575.43$548.51$569.55+2.01%2,508,876
Mar 23, 2026$592.60$594.77$557.35$558.32-3.28%2,075,450
Mar 16, 2026$577.51$599.97$569.89$577.26+0.60%2,727,718
Mar 9, 2026$601.52$611.62$567.62$573.82-5.69%2,607,112
Mar 2, 2026$639.48$651.06$594.94$608.41-7.36%2,756,625
Feb 23, 2026$628.94$666.14$617.00$656.73+3.31%3,024,572
Feb 17, 2026$628.36$639.29$623.28$635.66+1.00%1,398,199
Feb 9, 2026$647.72$651.57$606.04$629.35-2.37%2,582,499
Feb 2, 2026$657.01$658.75$622.37$644.61-3.86%3,538,083
Jan 26, 2026$691.04$705.82$668.99$670.46-3.37%2,537,604
Jan 20, 2026$693.79$709.24$681.00$693.85-3.01%1,850,300
Jan 12, 2026$708.86$726.41$701.49$715.37+0.28%2,061,124
Jan 5, 2026$670.21$724.99$667.66$713.35+6.47%2,613,685
Dec 29, 2025$687.71$690.05$661.89$669.99-2.69%1,456,602
Dec 22, 2025$701.81$705.89$676.06$688.48-1.69%1,366,323
Dec 15, 2025$711.29$711.68$687.68$700.34-0.55%3,923,110
Dec 8, 2025$717.47$721.50$693.72$704.20-1.39%2,228,569
Dec 1, 2025$741.57$746.77$710.51$714.10-5.15%2,984,572
Nov 24, 2025$733.05$769.98$726.81$752.88+3.72%2,610,144
Nov 17, 2025$689.93$735.59$665.25$725.91+5.22%3,821,584
Nov 10, 2025$708.06$719.25$688.66$689.93-2.61%2,054,293
Nov 3, 2025$693.00$735.00$691.73$708.45+12.54%4,429,432

Seasonality

IDXX return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average2.7%3.7%-1.2%1.2%3.3%2.4%7.4%-0.2%-3.8%-0.2%4.1%1.6%
Months up6 of 106 of 105 of 106 of 108 of 106 of 108 of 104 of 103 of 106 of 105 of 94 of 9
2026-0.9%-2.0%-14.4%-0.2%0.5%-6.6%6.2%-0.4%-6.2%5.6%
20252.1%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%
202317.8%-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%
20203.8%-6.1%-4.8%14.6%11.3%6.9%20.5%-1.7%0.5%8.1%8.5%8.4%
201914.4%-0.8%6.0%3.8%7.7%10.2%2.4%2.7%-6.1%4.8%-11.7%3.8%
201819.6%0.1%2.2%1.6%7.1%4.7%12.4%3.7%-1.7%-15.0%-3.9%-8.7%
20174.3%18.5%6.7%8.5%0.4%-4.1%3.1%-6.6%0.0%6.9%-5.9%-0.0%