CRLCharles River Laboratories

$345.33+97% 1Y
Latest close: a new 52-week highOct 23, 2026what changed →

What is the market doing?

Mixed

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

1 good, 2 neutral
TrendUptrendderived · Oct 23, 2026

In an uptrend, above its rising 50- and 200-day averages. Price is +59% vs its 200-day average.

Insider conviction−$26.0M (90 days to Oct 22, 2026)SEC EDGAR · Oct 22, 2026

Insiders were net sellers over the 90 days ending Oct 22, 2026; selling is often routine (taxes, diversification).

Short interest6.0% of sharesFINRA · Sep 30, 2026

Moderately shorted, settled Sep 30, 2026, a few days of normal trading to cover. Up 29% since the previous count, down from 9.1% 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 returntop 6% of the market
vs 200-day avgtop 2% of the market

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

How CRL is trading

Charles River Laboratories is +97% over the past year while the S&P 500 is +16%: 81 points ahead of the market.

+97%

1-year return · S&P 500 +16%

vs 200-day average
+59%

vs 200-day average · a clear uptrend

RSI (14)
69

RSI (14) · neutral

Below its 52-week high
0.00%

Below its 52-week high

Oct 15, 2024$99.75 – $345.33 · dashed line: 200-day averageOct 23, 2026
Details›
Last close2026-10-23
$345.33
1 monthS&P 500 −0.94%
+17%
1 yearS&P 500 +16%
+97%
5 yearsS&P 500 +86%
−15%
vs 50-day average$293.66
+18%
52-week high
$345.33
52-week low
$149.93
Annualised volatility
51%
Insider selling, net, 6 monthsForms 3/4/5 to 2026-10-22
$3.0M
Calendar-year price return
YearReturn
2026 (year to date)+73%
2025+8.1%
2024−22%
2023+8.5%
2022−42%
2021+51%
2020+64%
2019+35%
2018+3.4%
2017+44%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan106 of 10+0.15%
Feb107 of 10+1.6%
Mar105 of 10−2.8%
Apr102 of 10−3.7%
May107 of 10+3.3%
Jun107 of 10+7.0%
Jul118 of 11+7.8%
Aug114 of 11−0.07%
Sep115 of 11−0.54%
Oct116 of 11+1.2%
Nov106 of 10+2.5%
Dec107 of 10+3.1%

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.

Where the price stands

Its trend against the 50-day and 200-day averages, and the levels it keeps coming back to.

What it has returned

With dividends, year by year, month by month, and by calendar month on average.