Citadel Securities & Virtu Financial
5 shared events · Importance 3 · Last updated Aug 21, 2026
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Citadel Securities is a co-defendant with Virtu Financial in ongoing class action lawsuits alleging market manipulation. They are also direct competitors in market making and joint backers of EDX Markets.
Regulatory
Citadel Securities: Citadel Securities is a primary defendant accused of engaging in spoofing and profiting from customer order flow. The lawsuit alleges it traded over 23 million shares off-exchange during the week of February 10, 2025, contributing to a 22% stock price decline.
Virtu Financial: Virtu Americas LLC, a subsidiary of Virtu Financial, is a co-defendant accused of similar spoofing activities. The lawsuit alleges it traded nearly 11 million shares off-exchange during the same week, comprising over 20% of off-exchange trading.
Jun 30, 2026 · 164 articles
Business
Citadel Securities: Citadel Securities participated in institutional working groups using USDM1 as eligible sovereign collateral.
Virtu Financial: Virtu Financial participated in institutional working groups using USDM1 as eligible sovereign collateral.
Jul 07, 2026 · 6 articles
Business
Citadel Securities: Citadel Securities is a competitor in traditional high-frequency trading that Wintermute will now challenge, potentially facing increased competition.
Virtu Financial: Virtu Financial is mentioned as a competitor in electronic market making, facing potential new competition from Wintermute.
Aug 12, 2026 · 6 articles
Business
Citadel Securities: Citadel Securities is a backer of EDX Markets, indicating confidence in its infrastructure.
Virtu Financial: Virtu Financial is a backer of EDX Markets, reflecting institutional interest.
Jul 07, 2026 · 10 articles
Regulatory
Citadel Securities: Citadel Securities is a leading market maker that Wintermute may compete with in U.S. securities markets.
Virtu Financial: Virtu Financial is another established liquidity provider that could face increased competition from Wintermute.
Aug 07, 2026 · 7 articles
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