Appital Partners with Citadel Securities to Scale Electronic Institutional Liquidity
By Lauren Towner · 4 September 2026

Quick Summary
Appital has integrated Citadel Securities as a liquidity provider to deliver continuous electronic liquidity access across more than 1,500 European equities. This partnership allows buy-side asset managers to discover and execute Large-in-Scale (LIS) trades electronically without pre-trade information leakage or bank intermediation.
How Does Appital Scale Institutional Electronic Liquidity?
Institutional asset managers looking for electronic liquidity discovery often face price slippage and information leakage when attempting Large-in-Scale (LIS) equity trades. Appital solves this by integrating Citadel Securities' continuous pricing directly into its buy-side platform. Here is how it works:
- Expanded Asset Reach: Access electronic liquidity across more than 1,500 European equities.
- Single-Click Execution: Execute trades spanning multiple days average daily volume instantly without manual intervention.
- Complete Pre-Trade Confidentiality: Securely execute large blocks without disclosing trading intentions beforehand.
- Pure Buy-Side Focus: Maintain a secure environment tailored exclusively for institutional managers without traditional bank intermediation.
Mark Badyra, Founder and Chief Executive Officer of Appital, said: “We are taking trades that have historically required high-touch interaction and bringing them within a single electronic click. From LIS to potentially multiple days’ volume, the scale of firm liquidity that can now be discovered and executed electronically is extraordinary. This fundamentally redefines what is possible in electronic trading.”
Why Is Continuous Price Discovery Crucial for Buy-Side Traders?
By offering continuous price discovery rather than point-in-time enquiries, the platform removes network cold-start problems. Asset managers gain dynamic risk capacity views throughout the entire trading day, ensuring immediate actionable execution without waiting for organic buy-side order matching to build up.
Brian Guckian, Chief Business Development Officer of Appital, added: “There is now a continuous wave of significant, actionable liquidity within Appital throughout the trading day. Clients can access that liquidity immediately, without revealing their trading intentions. That moves Appital from a valuable source of opportunity to an essential part of the institutional trading toolkit.”
Marko Taric, Head of EMEA Semi-Systematic Equities, Citadel Securities, said: “Appital is giving buy-side firms more choice in how they source and access institutional liquidity at scale, and helping them execute with greater flexibility and confidence. We are pleased to bring Citadel Securities’ market making and execution capabilities to the platform, expanding the ways institutional investors can access deep, reliable liquidity.”
FF NEWS TAKE:
This integration marks a crucial evolutionary step for market structure in European equity trading. Bridging market-maker risk capacity with peer-to-peer buy-side networks addresses long-standing liquidity fragmentation without compromising trading intent. As non-bank market makers deepen their footprint across institutional venues, electronic liquidity discovery will rapidly become the default standard over traditional high-touch voice desks.
Companies in this story: Citadel Securities, Appital
People in this story: Marko Taric, Brian Guckian, Mark Badyra