Core Insights - The North Shore Global Uranium Mining Index (URNMX) is undergoing modifications to enhance liquidity and improve ETF tracking, following its acquisition by VettaFi [1][2] Index Methodology Changes - The index targets companies that allocate at least 50% of their assets to uranium mining activities, including mining, exploration, and production [2] - Changes include adjustments to security eligibility, weighting, and the timing of index reconstitution and rebalances, effective after the close of trading on December 19, 2025 [2][3] Security Eligibility and Weighting - New securities must have a minimum free-float market capitalization of USD $125 million, up from USD $40 million, while existing holdings require a minimum of USD $100 million [5] - A minimum average daily value traded (ADVT) of USD $100,000 is required for new securities, with a buffer of USD $75,000 for existing holdings [5] - The index will now use free-float weighting for market capitalization eligibility and has increased the maximum weight cap for a single security from 15% to 20% [5]

Core Insights - September saw a significant increase in uranium prices, with spot prices rising by 8.02% due to stronger sentiment and tighter supply [1] - The Northshore Global Uranium Mining Index increased by 17.01%, while the Nasdaq Sprott Junior Uranium Miners Index TR surged by 21.75% in September [1] - Positive sentiment in the uranium sector is bolstered by U.S. Secretary of Energy Chris Wright's plans to stockpile more uranium and reduce reliance on Russian-enriched uranium [1] - The U.S. aims to enhance its uranium capacity and enrichment capabilities, indicating a potential new wave of investment in the sector [1] - The Department of Energy's ongoing plans for uranium could provide a sustained demand for miners [1] Investment Vehicles - Sprott offers various investment options for accessing the uranium mining industry, including the Sprott Uranium Miners ETF (URNM), which has over $2 billion in assets under management as of October 15, 2025 [2] - The Sprott Junior Uranium Miners ETF (URNJ) focuses on smaller uranium miners, which may benefit from increased U.S. demand and domestic operations [2]