Renaming of Index Tracked by Sprott Uranium Miners ETF (URNM)

Sprott Asset Management USA announced that the index tracked by the Sprott Uranium Miners ETF (NYSE Arca: URNM) will be renamed the VettaFi Global Uranium Miners Index (URNMX) effective after the close of trading on April 30, 2026.

Rhea-AI Summary

Sprott Asset Management USA announced that the index tracked by the Sprott Uranium Miners ETF (NYSE Arca: URNM) will be renamed the VettaFi Global Uranium Miners Index (URNMX) effective after the close of trading on April 30, 2026.

There are no methodology changes tied to the name change. The index was acquired by VettaFi, a subsidiary of TMX Group, and VettaFi will replace Indxx in the calculation of the index. The index targets companies with at least 50% of assets devoted to the uranium mining industry, including mining, exploration, development, production, royalties, and related activities.

Positive

• Index rebranded to VettaFi Global Uranium Miners Index effective April 30, 2026
• No methodology changes; index rules remain unchanged
• Index now managed by VettaFi, a TMX Group subsidiary

Negative

• Index calculation provider change from Indxx to VettaFi could cause transition operational risk

Argus Mar 13 session

-5.77% close to close Open Argus

Details

News Market Reaction – SII

On Mar 13, the first trading day after this news, SII closed 5.77% below the previous close.

Data tracked by StockTitan Argus for the Mar 13 session.

Market Context

On Mar 13, the first trading day after this news, the stock closed 5.8% below the previous close. A ...

Analysis

On Mar 13, the first trading day after this news, the stock closed 5.8% below the previous close. A negative reaction despite the operational nature of this index renaming would fit a pattern where not every product-related announcement generated sustained strength, as seen with the copper trust listing update that coincided with a -5.97% move. With shares still well above the 89.46 200-day MA, sentiment shifts or profit-taking could amplify downside even on neutral structural news, separate from underlying business fundamentals.

Key Figures

Uranium exposure threshold: 50% of assets Index name effective date: April 30, 2026

Uranium exposure threshold

50% of assets

Companies tracked by the VettaFi Global Uranium Miners Index must devote at least this share of assets to the uranium mining industry.

Index name effective date

April 30, 2026

Date when the tracked index is renamed to VettaFi Global Uranium Miners Index at the close of trading.

Historical Context

5 past events · Latest: Mar 06

5 events

1. Mar 06

   NCIB renewal

   24h Move

   +0.3%

   Approval to renew normal course issuer bid to repurchase common shares.

2. Feb 19

   Full-year results

   24h Move

   +5.5%

   Strong 2025 results with higher AUM, fees, net income and EBITDA.

3. Feb 18

   Dividend declaration

   24h Move

   +2.1%

   Declared US$0.40 per-share fourth quarter 2025 dividend.

4. Feb 13

   Earnings webcast date

   24h Move

   +4.2%

   Announced timing and details of fourth quarter results release and webcast.

5. Jan 29

   Copper trust listing

   24h Move

   -6.0%

   Update on SEC approval to list Sprott Physical Copper Trust on NYSE Arca.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

etf

1 terms

etf financial

"the index tracked by the Sprott Uranium Miners ETF (NYSE Arca: URNM), is being renamed"

An ETF, or exchange-traded fund, is like a basket of different investments such as stocks or bonds that you can buy or sell easily on the stock market, just like a regular share. It allows people to invest in many companies at once, making it a simple way to grow savings without picking individual stocks.

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Following Acquisition by VettaFi, the Index Tracked by URNM Will Be Called the VettaFi Global Uranium Miners Index (URNMX)

NEW YORK, March 12, 2026 (GLOBE NEWSWIRE) -- Sprott Asset Management USA, Inc., a wholly-owned subsidiary of Sprott Inc., today announced that the North Shore Global Uranium Mining Index (URNMX), the index tracked by the Sprott Uranium Miners ETF (NYSE Arca: URNM), is being renamed the VettaFi Global Uranium Miners Index (URNMX) as of the close of trading on April 30, 2026. There are no changes to the index’s methodology related to the name change. The index was recently acquired by VettaFi, a differentiated index provider with modern distribution solutions and a subsidiary of TMX Group.

The VettaFi Global Uranium Miners Index (URNMX) is designed to track the performance of companies that devote at least 50% of their assets to the uranium mining industry, which may include mining, exploration, development and production of uranium, or holding physical uranium, owning uranium royalties or engaging in other non-mining activities that support the uranium mining industry. In addition, VettaFi will replace Indxx in the calculation of the index.

For a full overview of the VettaFi Global Uranium Miners Index (URNMX) methodology, please visit https://www.vettafi.com/indexing/index/urnmx#resources.

About Sprott Asset Management USA, Inc.

Sprott Asset Management USA, Inc. is a wholly-owned subsidiary of Sprott Inc. (“Sprott”). Sprott is a global asset manager focused on precious metals and critical materials investments. We are specialists. We believe our in-depth knowledge, experience and relationships separate us from the generalists. Our investment strategies include Exchange Listed Products, Managed Equities and Private Strategies. Sprott has offices in Toronto, New York, Connecticut and California. For more information, please visit www.sprott.com.

Contact:
Glen Williams
Senior Managing Partner
Investor and Institutional Client Relations
Direct: (416) 943-43945
gwilliams@sprott.com

Important Disclosures

An investor should consider the investment objectives, risks, charges, and expenses carefully before investing. To obtain a Sprott Uranium Miners ETF Prospectus, which contains this and other information, visit https://sprottetfs.com/urnm/prospectus, contact your financial professional or call 888.622.1813. Read the Prospectus carefully before investing. One may not invest directly in an index.

The fund is not suitable for all investors. There are risks involved with investing in ETFs, including the loss of money. URNM is non-diversified and can invest a more significant portion of assets in securities of individual issuers than a diversified fund. As a result, changes in a single investment's market value could cause more significant share price fluctuations than in a diversified fund. Uranium companies may be significantly subject to the effects of competitive pressures in the uranium business and the price of uranium. The price of uranium may be affected by changes in inflation rates, interest rates, monetary policy, economic conditions and political stability.

Shares are not individually redeemable. Investors buy and sell shares of the Sprott Uranium Miners ETF on a secondary market. Only authorized participants may trade directly with the fund, typically in blocks of 10,000 shares.

Sprott Asset Management USA, Inc. is the Investment Adviser to the Sprott ETFs. ALPS Distributors, Inc. is the Distributor for the Sprott ETFs and is a registered broker-dealer and FINRA Member.

ALPS Distributors, Inc. is not affiliated with Sprott Asset Management USA, Inc.

© 2026 Sprott Inc. All rights reserved.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What change did Sprott announce for the index tracked by URNM on March 12, 2026?

The index will be renamed the VettaFi Global Uranium Miners Index (URNMX) effective after the close on April 30, 2026. According to Sprott Asset Management, the change follows VettaFi's acquisition of the index and keeps existing methodology unchanged.

Will the index methodology for URNMX change after the April 30, 2026 renaming?

No, there are no changes to the index methodology associated with the renaming. According to Sprott Asset Management, the index rules and selection criteria remain the same despite the ownership and name change.

What companies does the VettaFi Global Uranium Miners Index (URNMX) include for URNM?

The index targets companies with at least 50% of assets devoted to uranium mining-related activities. According to Sprott Asset Management, this includes mining, exploration, development, production, royalties, and related non-mining activities.

When will VettaFi replace Indxx in calculating the URNM index and what does that mean?

VettaFi will replace Indxx in the index calculation in connection with the renaming effective April 30, 2026. According to Sprott Asset Management, this updates the calculation provider while retaining the index methodology.

Does the URNM ETF require investor action because of the index rename to URNMX?

No investor action is required; the change is a renaming and calculation-provider update. According to Sprott Asset Management, the ETF's tracked index name and provider change do not alter fund methodology or holdings.