ETFs Surpass Stocks in Number, Trading Activity and Exchange Listings

The number of exchange-traded funds (ETFs) has surpassed the number of stocks, with 4,300 ETFs compared to 4,200 stocks. ETFs have become prized listings for exchanges due to their high trading volume. Dave Nadig and Athanasios Psarofagis discuss this trend, as well as other topics such as passive ownership, Vanguard's entry into active management, and the irony of European ESG equity funds having exposure to the nuclear arms industry.

The number of exchange-traded funds (ETFs) has surpassed the number of individual stocks in the U.S. market, with 4,300 ETFs compared to approximately 4,200 stocks, as of August 2025 [2]. This milestone reflects the rapid growth of the ETF industry, which has seen assets under management reach $9 trillion by 2024 [2].

The surge in ETF numbers, up from just 9% of investment vehicles a decade ago to about 25% today, highlights their increasing dominance in the investment landscape. ETFs have become prized listings for exchanges due to their high trading volume, with many exchanges now prioritizing ETFs over initial public offerings (IPOs) [3].

The growth of ETFs is driven by several factors. ETFs typically have lower expense ratios than mutual funds, attracting cost-conscious investors. They provide exposure to broad markets, sectors, or themes in a single trade, appealing to both retail and institutional investors seeking diversified or tactical strategies. Additionally, ETFs’ in-kind redemption process minimizes capital gains distributions, making them more tax-efficient than mutual funds [2].

The launch of thematic and specialized ETFs, such as those targeting ESG, cryptocurrencies, or AI, has fueled growth, with over 500 new ETFs launched in 2024 alone [2]. Favorable SEC regulations, like the 2019 ETF Rule, have streamlined approvals and reduced costs for launching ETFs, further spurring growth. Brokerages offering commission-free ETF trading and fractional shares have lowered barriers, driving retail adoption, especially among younger investors [2].

However, the proliferation of niche or leveraged ETFs may introduce volatility or systemic risks, especially in less liquid underlying assets. Investors face a broader but more complex array of options, requiring greater due diligence to avoid overlapping or niche ETFs with higher risks or costs [2].

The rise of ETFs fosters innovation and a shift toward passive and index-based investing, reducing the focus on individual stock picking. This could pressure active fund managers and alter capital allocation, potentially concentrating investments in larger, index-heavy stocks [2].

Dave Nadig, president and director of research at ETF.com, and Athanasios Psarofagis, an analyst with Bloomberg Intelligence, discussed this trend and other topics such as passive ownership, Vanguard's push into active management, and the irony of European ESG equity funds having exposure to the nuclear arms industry [3].

As ETFs continue to grow, investors must navigate the growing complexity to capitalize on their benefits while avoiding potential pitfalls. The dominance of ETFs signals a shift toward passive and index-based investing, which could reshape the financial landscape and present new opportunities and challenges for investors and exchanges alike.

References:
[1] https://cryptonewsland.com/grayscale-seeks-sec-approval-for-polkadot-and-cardano-etfs-with-new-s-1-filings/
[2] https://www.tekedia.com/etfs-surpasses-number-of-individual-stocks-for-first-time-in-history/
[3] https://www.bloomberg.com/news/articles/2025-09-03/podcast-etfs-now-outnumber-stocks-what-does-it-mean