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If You Invested $1000 in Halozyme Therapeutics a Decade Ago, This is How Much It'd Be Worth Now
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How much a stock's price changes over time is a significant driver for most investors. Not only can price performance impact your portfolio, but it can help you compare investment results across sectors and industries as well.
The fear of missing out, or FOMO, also plays a factor in investing, especially with particular tech giants, as well as popular consumer-facing stocks.
What if you'd invested in Halozyme Therapeutics (HALO - Free Report) ten years ago? It may not have been easy to hold on to HALO for all that time, but if you did, how much would your investment be worth today?
Halozyme Therapeutics' Business In-Depth
With that in mind, let's take a look at Halozyme Therapeutics' main business drivers.
San Diego, CA-based Halozyme Therapeutics is a biopharmaceutical company focused on the development and commercialization of novel treatments for oncology indications by targeting the tumor microenvironment. The company also licenses its novel drug delivery technology, ENHANZE, for subcutaneous (SC) administration of drugs.
The company’s ENHANZE drug delivery technology helps in developing the SC formulation of drugs. Several companies, including Roche, Takeda, J&J, AbbVie, Lilly, Bristol-Myers and others, are using this technology for developing the SC formulation of their currently marketed drugs. It also recognizes revenues from the sale of drug products to its collaboration partners for the development of drugs using its ENHANZE platform.
Halozyme now has several marketed partnered drugs based on this technology.
Halozyme currently earns royalties on sales of various commercial products by its partners. The ENHANZE platform was developed based on the company’s patented recombinant human hyaluronidase enzyme (rHuPH20).
The company’s commercial portfolio of products includes Hylenex Recombinant and Xyosted, with the latter acquired from Antares Pharma in 2022.
Halozyme derives the majority of its revenues from royalties on sales of partnered drugs. Royalties constituted more than 55% of the company’s total revenues in 2025. Halozyme generated total revenues of $1.39 billion in 2025, up 38% year over year.
Bottom Line
Anyone can invest, but building a successful investment portfolio requires research, patience, and a little bit of risk. So, if you had invested in Halozyme Therapeutics, ten years ago, you're likely feeling pretty good about your investment today.
A $1000 investment made in September 2016 would be worth $9,284.68, or a gain of 828.47%, as of September 23, 2026, according to our calculations. This return excludes dividends but includes price appreciation.
In comparison, the S&P 500's gained 256.64% and the price of gold went up 213.61% over the same time frame.
Analysts are anticipating more upside for HALO.
Halozyme has collaboration deals related to its ENHANZE technology with several large pharma companies that generate royalties and milestone payments. This, in turn, is driving the company's top line, which is expected to continue for the rest of 2026. Robust demand for argenx's Vyvgart Hytrulo and the subcutaneous formulation of J&J's Darzalex is boosting royalties and the top line. The momentum is likely to continue for the rest of 2026. Halozyme is also focused on signing new collaboration deals to aid growth. However, blockbuster drugs like Herceptin and Rituxan, which utilize ENHANZE technology, are now facing biosimilar competition, resulting in potential decreased revenues from royalties. High dependence on partners for revenues in the form of royalties remains a major concern.
Shares have gained 5.31% over the past four weeks and there have been 2 higher earnings estimate revisions for fiscal 2026 compared to none lower. The consensus estimate has moved up as well.
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If You Invested $1000 in Halozyme Therapeutics a Decade Ago, This is How Much It'd Be Worth Now
How much a stock's price changes over time is a significant driver for most investors. Not only can price performance impact your portfolio, but it can help you compare investment results across sectors and industries as well.
The fear of missing out, or FOMO, also plays a factor in investing, especially with particular tech giants, as well as popular consumer-facing stocks.
What if you'd invested in Halozyme Therapeutics (HALO - Free Report) ten years ago? It may not have been easy to hold on to HALO for all that time, but if you did, how much would your investment be worth today?
Halozyme Therapeutics' Business In-Depth
With that in mind, let's take a look at Halozyme Therapeutics' main business drivers.
San Diego, CA-based Halozyme Therapeutics is a biopharmaceutical company focused on the development and commercialization of novel treatments for oncology indications by targeting the tumor microenvironment. The company also licenses its novel drug delivery technology, ENHANZE, for subcutaneous (SC) administration of drugs.
The company’s ENHANZE drug delivery technology helps in developing the SC formulation of drugs. Several companies, including Roche, Takeda, J&J, AbbVie, Lilly, Bristol-Myers and others, are using this technology for developing the SC formulation of their currently marketed drugs. It also recognizes revenues from the sale of drug products to its collaboration partners for the development of drugs using its ENHANZE platform.
Halozyme now has several marketed partnered drugs based on this technology.
Halozyme currently earns royalties on sales of various commercial products by its partners. The ENHANZE platform was developed based on the company’s patented recombinant human hyaluronidase enzyme (rHuPH20).
The company’s commercial portfolio of products includes Hylenex Recombinant and Xyosted, with the latter acquired from Antares Pharma in 2022.
Halozyme derives the majority of its revenues from royalties on sales of partnered drugs. Royalties constituted more than 55% of the company’s total revenues in 2025. Halozyme generated total revenues of $1.39 billion in 2025, up 38% year over year.
Bottom Line
Anyone can invest, but building a successful investment portfolio requires research, patience, and a little bit of risk. So, if you had invested in Halozyme Therapeutics, ten years ago, you're likely feeling pretty good about your investment today.
A $1000 investment made in September 2016 would be worth $9,284.68, or a gain of 828.47%, as of September 23, 2026, according to our calculations. This return excludes dividends but includes price appreciation.
In comparison, the S&P 500's gained 256.64% and the price of gold went up 213.61% over the same time frame.
Analysts are anticipating more upside for HALO.
Halozyme has collaboration deals related to its ENHANZE technology with several large pharma companies that generate royalties and milestone payments. This, in turn, is driving the company's top line, which is expected to continue for the rest of 2026. Robust demand for argenx's Vyvgart Hytrulo and the subcutaneous formulation of J&J's Darzalex is boosting royalties and the top line. The momentum is likely to continue for the rest of 2026. Halozyme is also focused on signing new collaboration deals to aid growth. However, blockbuster drugs like Herceptin and Rituxan, which utilize ENHANZE technology, are now facing biosimilar competition, resulting in potential decreased revenues from royalties. High dependence on partners for revenues in the form of royalties remains a major concern.
Shares have gained 5.31% over the past four weeks and there have been 2 higher earnings estimate revisions for fiscal 2026 compared to none lower. The consensus estimate has moved up as well.