
Ultumus is a leading provider of ETF and index data, calculation and workflow solutions. It is owned by SIX Group, the operator of the SIX Swiss Exchange and BME Exchange in Spain. Since launching in 2016, Ultumus’ has built technology-enabled solutions to capture, normalise, enrich and distribute data daily across the entire ETF and Index ecosystem.
Unlock deeper fund insights using Fund Reference Data in BMLL Data Lab. This specialised dataset delivers rich, fund-level intelligence through BMLL Data Lab. It provides detailed attributes for each fund - from fund name to issuer group, index details, and classifications such as fund type, sector, and underlying asset class. Gain visibility into key structural and regulatory features, including UCITS compliance, if a fund is leveraged, special asset flags, and whether a fund is actively or passively managed. Refreshed daily, this dataset gives you the most current, comprehensive view of the fund universe - empowering deeper analysis, smarter comparisons, and more informed decisions.
Example view:

Ultumus selects BMLL to make best-in-class global ETF data and analytics available to market participants worldwide
Collaboration drives measurable ETF spread improvements for a leading European ETF issuer.
The combination of Ultumus analytics and BMLL data strengthens the data and analytics offering for the global ETF community by combining Ultumus' leading reference and index data with BMLL’s high-quality historical market data and analytics within its scalable data platforms.
Ultumus PCF Performance: Driving Tighter ETF Spreads
A leading European ETF issuer has seen a measurable improvement in primary market trading conditions since migrating their Portfolio Composition File (PCF) calculation to Ultumus.
Using BMLL Technologies’ granular historical Level 3 data and analytics, Ultumus conducted an independent analysis to assess the impact of Ultumus’ PCFs on trading efficiency. The findings highlight how high-quality, timely fund data can reduce spread breaches and improve market performance.