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Introducing Atlas Index Blends: Custom Benchmark Creation, Powered by Ultumus and 3ap

Written by Ultumus | Feb 12, 2026 9:15:00 AM
We’re excited to announce our partnership with 3ap to deliver Atlas Index Blends – enabling asset managers to create custom benchmarks without operational complexity

3ap, a specialist in engineering and platform expertise for complex financial applications, helped accelerate our time-to-market while ensuring reliability and quality throughout the build.
Benchmark customisation has always carried a heavy operational burden: maintaining bespoke calculation infrastructure, managing multiple data feeds, and ensuring resilience. Many firms have had to choose between accepting off-the-shelf indices or building costly in-house capabilities.

Atlas Index Blends changes this. Delivered as a module within our Atlas platform and powered by our core index and ETF data service (3M+ indices, 13,500+ ETFs), the tool allows asset managers to blend, weight, and customise benchmarks through a single interface – without owning the underlying operational complexity.


Target use cases:
  • Tailored investment strategies and portfolio construction

  • Weighted performance calculations

  • Custom FX hedging for benchmarks

  • Automatic carve-out/exclusions by >30 attributes

  • Automated corporate actions processing

  •  T+ / rebalance impact analysis


Bernie Thurston, CEO at Ultumus: “Custom index solutions have been operationally prohibitive for many asset managers. By partnering with 3ap, we’re removing those barriers. Firms can now deploy sophisticated index strategies in weeks, not months, without building and maintaining bespoke systems.”

Aleksandar Milošević, CEO at 3ap: “At 3ap, we look for partners who want to push boundaries. With Ultumus, this has been a true co-development effort. It’s not just building software, but shaping a new way asset managers approach benchmark customisation. We’re proud of the international collaboration and what we’re building together. When two ambitious teams come together with a common vision, the results are outstanding.”

 

ABOUT 3AP
3AP AG, based in Zurich, breaks down complex challenges into their essential components to create scalable, user-centric solutions with measurable business impact. The company combines proprietary platforms with interdisciplinary expertise in engineering, UX/UI design, and business innovation to develop, integrate, and operate digital products and services.
Since 2014, 3ap has supported clients with solutions ranging from customer portals and mobile apps to automation tools and custom business applications. Its modular “as-a-Service” offerings — AI in a Box, Platform in a Box, and App in a Box — enable fast, secure, and scalable implementation, seamlessly integrated into existing systems. More information at: www.3ap.ch

ABOUT ULTUMUS
Ultumus is a leading provider of ETF and index data, calculation, and workflow solutions.
Owned by SIX Group, which operates the SIX Swiss Exchange and BME Exchange in Spain, Ultumus delivers essential infrastructure to the global ETF ecosystem. Since launching in 2016, Ultumus has built technology-enabled solutions that capture, normalise, enrich, and distribute data daily for over 14,000 ETFs and 3 million indices. Trusted by asset managers, issuers, and authorised participants worldwide, Ultumus is headquartered in London with offices in Singapore and Hawaii. For more information, visit www.ultumus.com and follow Ultumus on LinkedIn.