Appital Partners with Citadel Securities to Scale Electronic Institutional Liquidity
By Lauren Towner · 4 September 2026
In brief: Appital has integrated Citadel Securities as a liquidity provider, unlocking continuous electronic price discovery and execution across 1,500+ European equities for institutional asset managers.
| Coverage Scope | 1,500+ European equities |
|---|---|
| Order Thresholds | Large-in-Scale (LIS) to multiple days average daily volume |
| Liquidity Provider | Citadel Securities |
| Target Audience | Institutional buy-side asset managers |

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.
Frequently asked questions
How does Appital's integration with Citadel Securities impact institutional equity trading?
The integration connects Citadel Securities' pricing and risk capacity directly to Appital's platform. Institutional traders can continuously discover and execute Large-in-Scale (LIS) liquidity across over 1,500 European equities electronically in a single click without pre-trade information leakage.
Which assets are supported through the Appital and Citadel Securities platform?
The platform supports continuous electronic price discovery and execution for more than 1,500 European equities, accommodating order sizes ranging from Large-in-Scale (LIS) up to multiple days' average daily volume.
How does Appital protect trading intent during execution?
Appital operates exclusively for institutional asset managers without bank intermediation. Trading intentions remain completely unexposed prior to order submission, preventing market impact and information leakage.
About the companies
Citadel Securities
Website · 14 stories on FF News since 2025
Previously on FF News:
- Cboe Challenges CFTC Approval of Perpetual Derivatives to Protect U.S. Securities Framework 4 November 2026
- BNY and Citadel Securities Complete First Tokenized U.S. Treasury Triparty Repo Transaction 15 October 2026
- Ripple Prime Expands Partnership with Brevan Howard for Multi-Asset Brokerage 7 October 2026
Appital
Website · 2 stories on FF News since 2021
Previously on FF News:
- Appital secures £2.5m Investment Led by Frontline Ventures 12 August 2021
Companies in this story: Citadel Securities, Appital
People in this story: Marko Taric, Brian Guckian, Mark Badyra