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Eli Lilly Might Be the Next Stock I Buy | LLY Stock Analysis

Parkev Tatevosian, CFA•Sep 26, 2026

Summary

Parkev presents a bullish thesis for Eli Lilly, focusing on the company's explosive growth driven by its weight loss treatments, Zepbound and oral GLP-1 pills. Despite entering the market after some competitors, Eli Lilly has already captured over 30% of new patient starts in the oral GLP-1 segment. Parkev highlights a study showing that Zepbound leads to significant medical cost savings—up to $600 per month after a year—which strengthens the long-term value proposition for patients and healthcare providers.

Financially, Eli Lilly is performing at a record level. Parkev points out that revenues have surged to $80 billion, a nearly tenfold increase in less than a decade, while operating margins have reached a historic 49.7%. Parkev credits this success to the company's strategy of outinvesting competitors like Pfizer and Novo Nordisk in research and development. This high R&D intensity suggests that Eli Lilly will continue to innovate and find new revenue streams even after the current weight loss drug boom matures.

Eli Lilly (LLY): Parkev rates this stock as a buy with a calculated fair value of $1,494 per share, representing approximately 30% upside from the current price of $1,151. Parkev notes that the current forward P/E ratio of 24 is at the lower end of its historical range, making the stock appear undervalued. Parkev mentions having bought the stock earlier in the year and remains interested in increasing the position due to the company's 37% return on capital and its pivot toward personalized patient treatments.

Mentioned Stocks

PFE
Sentiment: HOLD

Reasoning: Parkev references Pfizer as a peer in the pharmaceutical industry, using them as a benchmark to show that Eli Lilly's higher R&D spending and more effective operations are leading to superior financial results.

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LLY
Sentiment: BUYAction: BOUGHT

Reasoning: Parkev believes Eli Lilly is undervalued at a forward P/E of 24, especially given its massive revenue growth and 49.7% operating margins. Parkev's valuation model suggests a target price of $1,494, providing a 30% upside from the current $1,151 price point. Parkev personally bought the stock earlier this year and maintains a high-conviction buy rating.

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NVO
Sentiment: HOLD

Reasoning: Parkev mentions Novo Nordisk as a primary competitor in the booming weight loss drug market but notes that Eli Lilly is currently outperforming them in terms of R&D investment as a percentage of revenue.

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