Citadel Securities is poised to receive its first round of outside investment, with a capital infusion of $1.15 billion from Sequoia Capital and Paradigm, The Wall Street Journal reported on Tuesday. The investment values Citadel Securities at about $22 billion. Citadel Securities, founded by Ken Griffin in 2002, is separate from hedge fund Citadel, the $43 billion enterprise that has boosted Griffin's net worth to $21.3 billion. CEO Peng Zhao has led Citadel Securities since 2017.Market Pulse Stories are Rapid-fire, short news bursts on stocks and markets as they move. Visit MarketWatch.com for more information on this news.