Alnylam Pharmaceuticals, Inc. vs Main Street Capital Corporation — how do they compare? Alnylam Pharmaceuticals, Inc. trades at $222.78 (market cap $29.60B), while Main Street Capital Corporation trades at $58.61 (market cap $5.52B). The key difference: Alnylam Pharmaceuticals, Inc. is far larger — about 5.4× Main Street Capital Corporation's market cap, and Main Street Capital Corporation pays a 5.39% dividend while Alnylam Pharmaceuticals, Inc. pays none. Which is the better fit depends on your goals.
| ALNY | MAIN | |
|---|---|---|
Market Cap | $29.60B | $5.52B |
Sector | Health | Financials |
52-Week High | $491.22 | $67.54 |
52-Week Low | $205.48 | $49.63 |
Enterprise Value | $27.56B | — |
Dividend Yield | — | 5.39% |
Signals from Pluang's Aura AI — not financial advice
ALNY trades at $216.98, down 1.01% with bearish technical signals. The company shows strong revenue growth from $1.0B in 2022 to $3.7B in 2025, turning profitable with $314M net income. However, recent Q2 2026 earnings missed expectations, and multiple law firms are investigating potential securities fraud. Analyst consensus remains bullish with a $370.07 price target despite recent volatility.
The stock faces near-term pressure from legal investigations and earnings volatility, but strong fundamentals and analyst support suggest long-term potential. Key risks include legal outcomes and execution on growth targets, while the 71% upside to consensus target offers opportunity if the company can maintain its revenue trajectory.
Main Street Capital (MAIN) trades at $59.10, up 0.99% with a bullish technical outlook. The stock shows strong fundamentals with an 80.77% net income margin and 14.92% ROE, though Q2 2026 earnings missed estimates. Recent news highlights MAIN's dividend reliability amid sector challenges, with the company maintaining payouts while peers face cuts. Technical indicators show bullish moving averages but overbought RSI levels near resistance at $59-60.
MAIN offers stable income with consistent dividends but faces headwinds from declining revenue projections ($592M in 2025 to $559M in 2026). Analyst consensus is cautious with 78.57% hold ratings and a $56.67 price target below current levels. Key risks include BDC sector pressure and expense growth impacting earnings coverage.
Trailing returns across standard periods
Alnylam Pharmaceuticals is a leader in the study of RNA interference (RNAi) therapeutics. RNAi is a naturally occurring biological pathway within cells for sequence-specific silencing and regulation of gene expression. Alnylam has five drugs on the market: Onpattro and Amvuttra for hATTR amyloidosis, Givlaari for acute hepatic porphyria, Oxlumo for primary hyperoxaluria type 1, and Leqvio for hypercholesterolemia.
Read more on ALNY →Main Street Capital Corp is an investment firm engaged in providing customized debt and equity financing to lower middle market companies and debt capital to middle market companies. The investment portfolio of the company is typically made to support management buyouts, recapitalizations, growth financings, refinancings and acquisitions of companies that operate in diverse industry sectors. The group invests in secured debt investments, equity investments, warrants and other securities of the lower middle market and middle market companies based in the US. Business is functioned through the U.S region and it derives the majority of the income from the source of fee, commission, and interest.
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