Repligen Corporation Common Stock vs Zscaler Inc — how do they compare? Repligen Corporation Common Stock trades at $178.86 (market cap $11.14B), while Zscaler Inc trades at $218.14 (market cap $36.81B). The key difference: Zscaler Inc is far larger — about 3.3× Repligen Corporation Common Stock's market cap, and Repligen Corporation Common Stock is trading nearer its 52-week high, Zscaler Inc nearer its low. Which is the better fit depends on your goals — on Pluang, investors hold Repligen Corporation Common Stock for 0 Days and Zscaler Inc for 41 Days on average.
| RGEN | ZS | |
|---|---|---|
Market Cap | $11.14B | $36.81B |
Volume | 1,259,263 | 2,661,492 |
Sector | Health | Technology |
52-Week High | $194.57 | $336.27 |
52-Week Low | $102.87 | $118.05 |
Typical Hold Time | 0 Days | 41 Days |
Enterprise Value | $11.02B | $35.20B |
Signals from Pluang's Aura AI — not financial advice
RGEN trades at $175.42, up 1.66% today, with a neutral technical signal and key support at $173. The stock has consistently beaten earnings estimates in recent quarters, with Q3 2026 results due October 27. Revenue grew to $738.26M in 2025, though net income margin is modest at 5.29%. The company recently completed the acquisition of BioLife Solutions, signaling strategic expansion.
Outlook remains positive with strong analyst support (91.67% buy ratings) and a consensus price target of $173.86, though high valuation multiples (P/E 240.34) pose a risk. Earnings growth and integration of acquisitions are key catalysts, but investors face execution risks and market volatility.
Zscaler (ZS) trades at $220.79, down 2.21% on the day, amid mixed signals. The stock shows strong technical momentum with bullish moving averages, but RSI suggests potential overbought conditions. Fundamentally, revenue growth is robust, rising from $1.1B in 2022 to $2.67B in 2025, though the company remains unprofitable with a net income margin of -1.88%. Recent news includes executive changes and an upcoming Investor Day on October 6, 2026.
The outlook is cautiously optimistic. Analyst consensus is strongly bullish with a $222.83 price target, but risks include persistent losses, competitive pressures, and insider selling. Upside hinges on AI-driven bookings growth and execution stability post-CRO transition. Investors should weigh high valuation multiples against the company's growth trajectory and market position in cybersecurity.
Trailing returns across standard periods
What Pluang investors did over the last 30 days
Latest headlines on both assets
Repligen Corporation develops and manufactures bioprocessing tools and technologies used in biologic drug manufacturing, including filtration and perfusion systems, chromatography columns and resins, and process analytics instruments. Its products support upstream and downstream production workflows for modalities such as monoclonal antibodies, mRNA, and viral vectors.
Read more on RGEN →Zscaler is a security-as-a-service firm that offers its customers cloud-delivered solutions for protecting user devices and data. The firm leverages its position in 150 colocation data centers to deliver traditionally appliance-based security functionality, such as firewalls and sandboxes, as a completely cloud-native platform. The firm focuses on large enterprise customers and offers two primary product suites: Zscaler Internet Access, which securely connects users to externally managed application and websites (such as Salesforce and Google), and Zscaler Private Access, which securely connects users to internally managed applications. Both product suites encompass a broad gamut of capabilities situated across the traditional security stack.
Read more on ZS →