RGENRepligen Corporation

$176.73+14% 1Y

What is the market doing?

Mixed

No clear lean: nothing decisive, though heavily shorted (+13% of shares).

1 to watch, 2 neutral
TrendRangeboundderived · Oct 23, 2026

Choppy, but holding above its 200-day average. Price is +22% vs its 200-day average.

Insider conviction−$6.0M (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 interest13% of sharesFINRA · Sep 30, 2026

Heavily shorted, settled Sep 30, 2026, about a week of normal trading to cover. Up 13% since the previous count, up from 10.7% 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 returnmiddle of the market
vs 200-day avgbetter than 87% of the market

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

How RGEN is trading

Repligen Corporation is +14% over the past year while the S&P 500 is +16%: 1.7 points behind the market.

+14%

1-year return · S&P 500 +16%

vs 200-day average
+22%

vs 200-day average · a clear uptrend

RSI (14)
40

RSI (14) · neutral

Below its 52-week high
9.2%

Below its 52-week high

Oct 15, 2024$102.87 – $194.62 · dashed line: 200-day averageOct 23, 2026
Details›
Last close2026-10-23
$176.73
1 monthS&P 500 −0.94%
−7.3%
1 yearS&P 500 +16%
+14%
5 yearsS&P 500 +86%
−30%
vs 50-day average$176.81
−0.05%
52-week high
$194.62
52-week low
$102.87
Annualised volatility
50%
Calendar-year price return
YearReturn
2026 (year to date)+7.9%
2025+14%
2024−20%
2023+6.2%
2022−36%
2021+38%
2020+107%
2019+75%
2018+45%
2017+18%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan106 of 10+1.2%
Feb104 of 10−2.5%
Mar103 of 10−2.1%
Apr107 of 10+2.2%
May107 of 10+2.3%
Jun106 of 10+2.4%
Jul119 of 11+13%
Aug119 of 11+6.4%
Sep114 of 11−3.9%
Oct114 of 11−1.6%
Nov107 of 10+9.3%
Dec104 of 10−2.2%

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.