AVTRAvantor, Inc.

$15.67+25% 1Y

What is the market doing?

Mixed

No clear lean: nothing decisive, though in an uptrend.

1 good, 1 neutral, 1 without data
TrendUptrendderived · Oct 9, 2026

In an uptrend, above its rising 50- and 200-day averages. Price is +45% vs its 200-day average.

Short interest7.6% of sharesFINRA · Sep 15, 2026

Heavily shorted, settled Sep 15, 2026, about a week of normal trading to cover. Up 2.3% since the previous count, up from 6.5% of shares outstanding three months ago.

Against the whole market›

Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.

1-year returnbetter than 69% of the market
vs 200-day avgtop 5% of the market

Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.

How AVTR is trading

Avantor, Inc. is +25% over the past year while the S&P 500 is +18%: 7.1 points ahead of the market.

+25%

1-year return · S&P 500 +18%

vs 200-day average
+45%

vs 200-day average · a clear uptrend

RSI (14)
60

RSI (14) · neutral

Below its 52-week high
1.1%

Below its 52-week high

Sep 18, 2024$7.41 – $27.70 · dashed line: 200-day averageOct 9, 2026
Details›
Last close2026-10-09
$15.67
1 monthS&P 500 +2.7%
+5.1%
1 yearS&P 500 +18%
+25%
5 yearsS&P 500 +88%
−63%
vs 50-day average$14.56
+7.6%
52-week high
$15.85
52-week low
$7.41
Annualised volatility
48%
Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
$287K
Calendar-year price return
YearReturn
2026 (year to date)+37%
2025−46%
2024−7.7%
2023+8.3%
2022−50%
2021+50%
2020+55%
Average return by calendar month, 2019–2026
MonthYearsPositiveAverage
Jan75 of 7+1.5%
Feb72 of 7−8.6%
Mar72 of 7−6.5%
Apr73 of 7+1.4%
May75 of 7+3.9%
Jun85 of 8+1.5%
Jul85 of 8+8.9%
Aug85 of 8+1.4%
Sep83 of 8−5.0%
Oct83 of 8−3.8%
Nov74 of 7+8.7%
Dec75 of 7+2.3%

End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.