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Tortoise Nuclear Renaissance ETF Stock Price, News & Analysis

TNUK NYSE

Company Description

Tortoise Nuclear Renaissance ETF (TNUK) is an actively managed exchange-traded fund listed on the NYSE Arca. The fund is advised by Tortoise Capital Advisors, L.L.C., a fund manager whose investment experience and research in energy and power infrastructure spans more than two decades. According to Tortoise Capital, TNUK is designed to give investors exposure to what it describes as the global nuclear ecosystem at a time when demand for reliable, around-the-clock power is increasing.

The ETF focuses on companies that Tortoise Capital associates with the nuclear value chain. As described in its launch announcement, this includes areas such as uranium mining, conversion and enrichment, fuel services, original equipment manufacturers (OEMs), small modular reactor (SMR) developers, and operators. The fund’s stated objective is to reflect what Tortoise Capital characterizes as the opportunity across this broader ecosystem rather than concentrating solely on uranium-focused exposures.

TNUK is positioned by its adviser as a way to participate in what it calls a nuclear "renaissance," where nuclear energy is framed as part of a structural shift in the energy landscape. Tortoise Capital highlights themes such as increased power demand, the role of nuclear in providing continuous electricity, and activity across companies involved in nuclear-related infrastructure and services. The ETF is part of Tortoise Capital’s broader lineup of energy and infrastructure funds, which the adviser links to long-term electrification and power infrastructure themes.

According to Tortoise Capital, the ETF is managed using the same research-driven approach applied across its other energy and infrastructure strategies. The adviser notes that it has experience managing funds that invest primarily in publicly traded companies in the energy and power infrastructure sectors, from production to transportation to distribution. TNUK extends this focus into nuclear-related activities, as defined by the adviser’s view of the nuclear value chain.

The fund is classified in its disclosures as a non-diversified ETF. This means, as stated in its materials, that it may invest a larger percentage of its assets in the securities of a smaller number of issuers than a diversified fund. The disclosures explain that this can expose the fund to greater market risk and potential losses compared with a more diversified approach. The ETF is also described as being sensitive to the overall condition of companies in what its disclosures refer to as the Nuclear Industries.

Risk disclosures associated with TNUK emphasize that investing involves the possibility of principal loss. The materials highlight various risks that companies in the Nuclear Industries may face, including incidents and accidents, security breaches, terrorism, air crashes, natural disasters, equipment malfunctions, or mishandling of substances and nuclear materials in storage, handling, transportation, treatment, or conditioning. These sector-specific risks are presented as factors that can affect companies in which the ETF may invest.

The ETF’s disclosures also mention potential use of derivatives, described as instruments and contracts whose value is based on underlying securities, financial benchmarks, indices, or other reference measures. They note that investments in securities of foreign companies can involve risks not ordinarily associated with U.S. issuers, including political, social, and economic developments abroad, differences in regulatory and accounting requirements, tax considerations, market practices, and currency fluctuations.

In addition, TNUK’s materials state that companies defined as small and mid-cap securities may involve greater risk than large-cap companies, including higher volatility and lower liquidity, and returns that may differ substantially from broader securities markets. The ETF’s shares are described as not individually redeemable; instead, shares may be created and redeemed in large blocks referred to as Creation Units, as outlined in the fund’s prospectus. Investors generally buy and sell shares on an exchange through brokerage accounts, which may involve brokerage commissions.

According to the adviser, Tortoise Capital Advisors, L.L.C. is an SEC-registered investment adviser based in Overland Park, Kansas, managing funds that invest primarily in publicly traded companies in the energy and power infrastructure sectors. TNUK is presented as an extension of that focus into nuclear-related themes, framed by the adviser as part of a broader energy evolution. The disclosures emphasize that nothing in the fund’s communications should be considered tax, legal, or investment advice, and that investors should review the prospectus and consider their own goals, time horizons, and risk tolerance before investing.

Stock Performance

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Last updated:
+9.89%
Performance 1 year

SEC Filings

No SEC filings available for Tortoise Nuclear Renaissance ETF.

Financial Highlights

Revenue (TTM)
Net Income (TTM)
Operating Cash Flow

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Short Interest History

Last 12 Months
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Short interest in Tortoise Nuclear Renaissance ETF (TNUK) currently stands at 5.3 thousand shares, up 134.0% from the previous reporting period, representing 6.6% of the float. Over the past 12 months, short interest has increased by 324.2%.

Days to Cover History

Last 12 Months
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Days to cover for Tortoise Nuclear Renaissance ETF (TNUK) currently stands at 1.0 days, down 22.5% from the previous period. This low days-to-cover ratio indicates high liquidity, allowing short sellers to quickly exit positions if needed.

Frequently Asked Questions

What is the current stock price of Tortoise Nuclear Renaissance ETF (TNUK)?

The current stock price of Tortoise Nuclear Renaissance ETF (TNUK) is $27.5199 as of March 4, 2026.

What is the Tortoise Nuclear Renaissance ETF (TNUK)?

Tortoise Nuclear Renaissance ETF (TNUK) is an actively managed exchange-traded fund listed on NYSE Arca and advised by Tortoise Capital Advisors, L.L.C. It is described by its adviser as a fund designed to provide exposure to companies involved in what it calls the global nuclear ecosystem.

How does TNUK approach the nuclear value chain?

According to its launch announcement, TNUK invests in companies that Tortoise Capital associates with the nuclear value chain, including uranium mining, conversion and enrichment, fuel services, original equipment manufacturers (OEMs), small modular reactor (SMR) developers, and operators, as part of a broader view of nuclear-related activities.

Who manages the Tortoise Nuclear Renaissance ETF?

TNUK is advised by Tortoise Capital Advisors, L.L.C., an SEC-registered investment adviser based in Overland Park, Kansas. Tortoise Capital states that it has more than 20 years of investment experience and research focused on energy and power infrastructure sectors.

Is TNUK a diversified or non-diversified fund?

Fund disclosures describe TNUK as a non-diversified ETF. This means it may invest a larger percentage of its assets in the securities of a smaller number of issuers than a diversified fund, which can increase its exposure to market risk and potential losses.

What risks are associated with investing in TNUK?

The fund’s disclosures state that investing involves risk and principal loss is possible. They highlight risks specific to companies in the Nuclear Industries, such as incidents and accidents, security breaches, terrorism, natural disasters, equipment malfunctions, and mishandling of nuclear materials, as well as general market and issuer risks.

Does TNUK invest in foreign companies?

The disclosures indicate that investments in securities of foreign companies may be part of the fund’s strategy and note related risks, including political, social, and economic developments abroad, differences in regulatory and accounting requirements, tax considerations, market practices, and foreign currency fluctuations.

What role do derivatives play in TNUK’s strategy?

TNUK’s materials state that derivatives may be used and describe them as instruments and contracts whose value is based on underlying securities, financial benchmarks, indices, or other reference measures. Such instruments can introduce additional risks related to valuation and market movements.

How does TNUK treat small and mid-cap securities?

The fund’s disclosures explain that companies defined as small and mid-cap securities may involve greater risk than large-cap companies. These securities may be more volatile, less liquid, and may have returns that differ substantially from broader securities markets.

How do investors buy or sell shares of TNUK?

According to the ETF’s disclosures, shares of TNUK are not individually redeemable with the fund. They may be created and redeemed only in large blocks known as Creation Units, as described in the prospectus. Individual investors typically buy and sell shares on an exchange through brokerage accounts, which may involve brokerage commissions.

Where can investors find more detailed information about TNUK?

The fund’s disclosures state that investors should review the statutory and summary prospectuses, which contain information about the investment objective, risks, charges, and expenses. They also emphasize that nothing in the communications constitutes tax, legal, or investment advice and that investors should consider their own goals and risk tolerance.