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The exchange-traded fund (ETF) universe is just getting bigger, with net inflows topping $1 trillion in the first half of the year. Investors have an ever-growing number of options thanks to a flood of new funds entering the market: in the first three quarters of 2026, nearly 2,000 new ETFs launched.

It's understandable that some investors may opt to avoid brand-new ETFs altogether, given that these products are often less popular (and therefore less liquid) and use unproven strategies. However, focusing solely on long-standing funds also risks missing out on potentially rewarding opportunities. The three funds below have launched in recent months and either have seen early momentum or have the potential to thrive in the current market environment.

DRAM: One of the Most Successful ETF Launches of All Time

The Roundhill Memory ETF (BATS: DRAM) is among the fastest-growing ETFs of all time when it comes to asset base. In just six months, it ballooned to nearly $23 billion in managed assets, and it enjoys massive trading volume, with a one-month average of more than 28 million shares. The fund is up more than 80% since launching in April 2026.

DRAM's exceptional success is perhaps the best evidence available that new ETFs can thrive, and it likely comes down to the fund's theme and the timing of its launch. The fund emerged as a popular choice amid a serious (and ongoing) shortage of memory hardware products, driven by intense demand from AI buildouts, inflation, and other factors.

The fund has a distinct advantage in that it beat its primary rival, the Tema Memory ETF (NYSEARCA: DISK), to market and has trounced its competitor when it comes to returns so far. DISK's poor showing this year, with a decline of about 42% since launch, demonstrates that a thriving industry does not necessarily mean that all ETFs in that space will perform equally well.

DRAM focuses heavily on just two companies—Korea's Samsung Electronics (OTCMKTS: SSNLF) and SK hynix (NASDAQ: SKHY)—while DISK takes a somewhat broader approach. The former fund also offers a more compelling expense ratio that, at 0.65%, is 10 basis points lower than its rival's.

NASA: The Anticipation of Future Growth Is a Driver

Though Tema's memory-focused fund has not drawn significant investor attention so far, its space-focused alternative, the Tema Space Innovators ETF (NYSEARCA: NASA) has been more successful in its first several months of trading. NASA has gathered more than $1.1 billion in managed assets and has accumulated a healthy trading volume as well.

The fund takes an international view of space stocks across 42 holdings, though it has particularly weighty positions in Rocket Lab USA Inc. (NASDAQ: RKLB) and SpaceX (NASDAQ: SPCX). Owing to the overall declines across these two businesses' shares this year, NASA has also dropped in that time.

Investors drawn to NASA now may be more interested in the long-term benefits of early investment in the space industry than in current returns. The global space economy is expected to triple in the coming nine years, reaching $1.8 trillion in size. NASA's focus on the industry is suitably broad but also adaptable thanks to the fund's actively managed structure. Though its expense ratio is high at 0.75%, particularly given its history of returns so far, the fund's real appeal may lie in its potential as a vehicle for investors extremely bullish on space as an industry in the years to come.

LOHA: A Unique Approach to the AI Threat

Concerns are mounting across sectors as to how AI may disrupt existing industries and businesses. The question puts investors in a difficult position of having to guess which companies may be best able to adapt to new conditions. The Roundhill HALO ETF (BATS: LOHA) aims to provide a solution by focusing on companies with heavy assets and low obsolescence (HALO) risk.

The companies in this fund are centered around sizable, physical asset bases, including machinery, mining, energy infrastructure, and the like, as well as regulated frameworks, long-term contracts, and other signals that demand may remain stable despite AI. In total, this means a significant investment in industrials names with additional emphasis on consumer staples and discretionary stocks, materials, and energy.

LOHA has climbed about 2% overall since launching in May, but this comes after a multi-week pullback in the late summer. Managed assets and trading volume remain low, but if the fund is able to demonstrate its success amid AI threats, investors may be willing to accept its 0.35% expense ratio for the stability its portfolio can provide.

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