Alnylam Pharmaceuticals, Inc. vs Vanguard Mega Cap Growth ETF — how do they compare? Alnylam Pharmaceuticals, Inc. trades at $221.2 (market cap $29.60B), while Vanguard Mega Cap Growth ETF trades at $90.18. The key difference: Vanguard Mega Cap Growth ETF is trading nearer its 52-week high, Alnylam Pharmaceuticals, Inc. nearer its low. Which is the better fit depends on your goals.
| ALNY | MGK | |
|---|---|---|
Market Cap | $29.60B | — |
Sector | Health | Broad Market / Factor |
52-Week High | $491.22 | $92.06 |
52-Week Low | $205.48 | $70.70 |
Enterprise Value | $27.56B | — |
Signals from Pluang's Aura AI — not financial advice
ALNY trades at $223.43, up 2.97% in 24 hours, with a bearish technical signal despite recent gains. The stock shows strong profitability with a 79.65% gross margin and 96.55% ROE, but valuation ratios like P/E of 38.54 are elevated. Recent Q2 2026 earnings missed estimates, and multiple law firms are investigating potential securities fraud, adding uncertainty.
Outlook is mixed: analyst consensus is bullish with a $370.07 price target, but risks include ongoing fraud probes and earnings volatility. Revenue growth is robust, projected to reach $4.8B in 2026, yet investors face headwinds from legal issues and technical bearishness.
MGK trades at $90.21, down 0.46% on the day, with a bullish technical signal supported by moving averages. The ETF focuses on mega-cap growth stocks with heavy technology concentration and a low 0.05% expense ratio. Recent news highlights institutional buying activity and strong five-year performance compared to peers.
Outlook remains positive given MGK's track record of outperforming the S&P 500, though high RSI readings suggest potential near-term consolidation. Risks include concentration in tech stocks and market volatility, but the ETF's low-cost structure and exposure to market leaders provide long-term growth potential.
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 →MGK is an ETF that seeks to track the performance of the CRSP US Mega Cap Growth Index. It provides a low-cost, diversified exposure to the largest growth companies in the U.S. stock market. The fund is composed of mega-cap stocks that exhibit key growth factors, including high expected long-term earnings growth, high historical sales and earnings growth, and high return on assets. MGK is typically used by investors seeking long-term capital appreciation from market-leading firms.
Read more on MGK →