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ETF investors are quick to jump from one trend to another, and the latest focus is on companies responsible for new weight loss drugs like Ozempic and Wegovy.
These medications have captured significant attention due to their effectiveness and the ongoing obesity crisis in the U.S. According to Morgan Stanley's research, these drugs have led to an average weight loss of 10-20% in users and lowered the risk of cardiovascular illnesses by around 20%.

According to MarketResearch.biz, the weight loss drug and treatment market accounted for 260.7 billion in 2022 and is projected to surpass around USD 532.5 billion by 2032, reflecting a 7.6% CAGR.
In addition, a significant amount of resources and time is being spent on marketing these drugs, ranging from partnerships with distributors like Costco to collaborations with plus-size influencers.
ETF issuers have taken notice. The first ETF targeting this niche, the Tema Obesity & Cardiometabolic ETF
However, the same day OZEM was launched, the NYSE Arca introduced its own weight loss drug ETF - the Amplify Weight Loss Drug & Treatment ETF
With 1,790 new products launched by July 2026, choosing is harder than ever. Our Global ETF Survey 2026, built on 620 professional investors and allocators, shows how active, fixed income, options-based and thematic ETFs are reshaping fund selection.
Unlike HRTS or OZEM, THNR will be passively managed. This means its managers will not be actively selecting stocks based on their own research. Instead, the ETF will track the VettaFi Weight Loss Drug & Treatment Index, a float-adjusted market-cap weighted benchmark.
To be eligible for inclusion in THNR's index, companies must meet two main criteria in addition to a minimum market cap requirement of $500 million:
"Previously there was no pure play ETF exposure to this market segment," says Christian Magoon, CEO of Amplify ETFs. "Formerly the highest GLP-1 exposure ETF available (HRTS) combined its portfolio with cardio-related stocks which in fact may suffer as GLP-1 treatments actually have shown to reduce cardio-related risks," he says.
The weighting within the index is designed to emphasize manufacturers, allocating 70% to them, while the remaining 30% is allocated to enablers. Within each category, companies are market cap-weighted to ensure a balanced representation.
Expect quarterly rebalancing in March, June, September, and December. The ETF currently has an expense ratio of 0.59%, making it cheaper than HRTS, which charges 0.75%, but priced the same as OZEM.
THNR's portfolio is designed to strike a balance between the high conviction of stock picking and the diversification of most ETFs. Currently, the ETF holds 20 stocks, offering significant global diversification.
While 51% of the holdings are from U.S. companies, there's also notable representation from Japan, Germany, Denmark, Switzerland, and the U.K., thanks to strong pharmaceutical industries in these developed nations.
The majority of industry exposure in THNR is naturally in biopharma, accounting for 77% of the portfolio. This is a consequence of the higher weight given to manufacturers. The remaining portfolio is invested in equipment and services and chemicals, reflecting the enablers' contribution to the index.
There is a strong focus on large-cap companies (those with a market cap of $10 billion or more), which make up 80% of the portfolio. This is due to the index's market cap-weighted methodology within each category, which also benefits liquidity.
"THNR is fairly concentrated with 20 holdings currently as it seeks to deliver pure play exposure to this market segment," Magoon explains. "Its top two holdings – Eli Lilly and Novo Nordisk - account for just over 30% of the portfolio."
Other top holdings U.S. investors may be familiar with include AstraZeneca, Amgen, Merck, Pfizer, and Thermo Fisher Scientific.
Please note this article is for information purposes only and does not in any way constitute investment advice. It is essential that you seek advice from a registered financial professional prior to making any investment decision.
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