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Avantor, Inc. (AVTR) stock

AVTRNYSELaboratory Analytical InstrumentsFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Oct 28, 2026Score 4/3019% below fair value
$16.05−0.63 (-3.78%)

Close on Oct 30, 2026Market cap $10.86BP/E –Yield –

Price history

Avantor share prices for every week, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$16.05
-3.78% on the day
52-week range
$7.27 – $17.45
-8.0% from the high
Change over 52 weeks
+45.2%
From $11.05 on Oct 30, 2025
Average volume
9.65M
Shares a day, last 90 sessions
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$17.14$17.40$15.85$16.05-7.17%68,104,071
Oct 19, 2026$16.42$17.45$16.19$17.29+5.30%50,710,249
Oct 12, 2026$15.71$16.45$15.39$16.42+4.79%53,942,145
Oct 5, 2026$15.34$16.38$14.96$15.67+2.15%41,945,832
Sep 28, 2026$15.10$15.42$14.57$15.34+0.59%40,443,391
Sep 21, 2026$15.39$15.59$14.67$15.25-1.74%45,176,929
Sep 14, 2026$14.87$16.05$14.70$15.52+4.79%52,533,836
Sep 8, 2026$14.83$15.46$14.60$14.81-1.07%34,066,347
Aug 31, 2026$14.54$15.20$14.19$14.97+2.67%38,105,827
Aug 24, 2026$14.29$14.70$14.05$14.58+0.83%26,819,099
Aug 17, 2026$13.54$14.49$13.33$14.46+5.86%30,462,881
Aug 10, 2026$13.50$14.02$13.40$13.66+0.52%30,170,011
Aug 3, 2026$13.97$14.00$13.08$13.59-1.38%45,384,157
Jul 27, 2026$11.46$14.62$11.36$13.78+20.45%109,524,010
Jul 20, 2026$10.98$11.75$10.19$11.44+3.34%55,505,373
Jul 13, 2026$10.33$11.47$10.31$11.07+6.54%54,203,583
Jul 6, 2026$10.35$10.67$9.73$10.39+0.68%37,205,696
Jun 29, 2026$10.30$10.32$9.78$10.32+0.39%34,168,988
Jun 22, 2026$9.50$10.40$9.15$10.28+7.31%46,507,504
Jun 15, 2026$9.60$9.89$9.35$9.58+2.02%29,667,513
Jun 8, 2026$9.25$10.06$9.20$9.39+2.51%52,222,203
Jun 1, 2026$8.97$9.62$8.71$9.16+0.44%50,519,185
May 26, 2026$8.08$9.38$7.94$9.12+12.32%44,884,652
May 18, 2026$7.66$8.13$7.42$8.12+6.56%53,696,104
May 11, 2026$8.30$8.30$7.61$7.62-8.30%44,713,455
May 4, 2026$7.92$8.58$7.73$8.31+4.40%46,990,682
Apr 27, 2026$7.89$8.56$7.48$7.96+0.76%57,457,429
Apr 20, 2026$8.45$8.85$7.46$7.90-7.28%49,169,960
Apr 13, 2026$7.82$8.57$7.82$8.52+7.85%47,590,011
Apr 6, 2026$7.78$8.49$7.65$7.900.00%37,122,968
Mar 30, 2026$7.48$8.07$7.42$7.90+6.61%26,648,746
Mar 23, 2026$7.77$7.93$7.27$7.41-1.33%42,118,528
Mar 16, 2026$7.96$8.02$7.39$7.51-5.30%47,239,836
Mar 9, 2026$8.05$8.54$7.82$7.93-2.94%56,177,881
Mar 2, 2026$8.80$8.90$8.14$8.17-9.72%57,069,304
Feb 23, 2026$8.92$9.16$8.78$9.05+0.22%42,584,388
Feb 17, 2026$9.02$9.32$8.97$9.03-1.85%36,502,575
Feb 9, 2026$11.12$11.35$8.90$9.20-18.29%107,637,836
Feb 2, 2026$10.79$11.34$10.67$11.26+3.11%64,600,460
Jan 26, 2026$11.81$11.91$10.67$10.92-7.46%78,946,130
Jan 20, 2026$11.86$12.51$11.69$11.80-2.96%51,820,342
Jan 12, 2026$12.42$12.90$11.78$12.16-2.01%53,949,095
Jan 5, 2026$11.28$12.42$11.27$12.41+8.29%55,265,360
Dec 29, 2025$11.42$11.62$11.30$11.46+0.26%22,691,426
Dec 22, 2025$11.34$11.53$11.08$11.43+1.42%52,552,064
Dec 15, 2025$11.20$11.53$10.92$11.27+0.90%58,536,545
Dec 8, 2025$10.88$11.57$10.62$11.17+2.20%58,096,726
Dec 1, 2025$11.67$11.87$10.90$10.93-6.82%43,268,018
Nov 24, 2025$11.44$11.89$11.33$11.73+1.82%27,270,357
Nov 17, 2025$11.37$11.57$10.85$11.52+1.23%45,964,003
Nov 10, 2025$11.60$11.76$11.18$11.38-1.47%35,682,532
Nov 3, 2025$11.76$11.82$11.07$11.55-2.28%50,275,760

Seasonality

AVTR return in each calendar month over the last 8 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average1.5%-8.6%-6.5%1.4%3.9%1.3%10.8%0.0%-5.0%-3.5%8.7%2.3%
Months up5 of 72 of 72 of 73 of 75 of 75 of 85 of 85 of 83 of 83 of 84 of 75 of 7
2026-4.7%-17.1%-13.4%3.3%12.6%8.6%39.2%5.5%3.5%6.6%
20255.7%-25.0%-2.9%-19.9%-0.6%4.3%-0.1%0.2%-7.3%-5.3%-0.8%-2.3%
20240.7%7.2%3.8%-5.2%-0.6%-12.0%26.2%-3.4%0.1%-13.5%-5.9%0.0%
202313.3%2.0%-13.3%-7.9%2.4%3.0%0.1%5.3%-2.6%-17.3%21.5%7.8%
2022-11.4%-7.1%-2.5%-5.7%0.5%-2.9%-6.7%-14.2%-21.3%2.9%10.5%-5.3%
20214.8%-5.5%3.8%10.8%0.3%10.5%5.8%4.9%3.7%-1.3%-2.2%6.7%
20201.8%-14.7%-20.7%34.6%12.8%-10.4%29.9%2.2%-0.4%3.5%17.2%3.2%
20199.1%-7.9%-0.5%-16.0%-3.3%20.5%6.0%