ocqco's following
- EliteQuantEliteQuant
- Jump Tradingjumptrading
- drw
- Akuna Capitalakuna-capital
- Two Sigmatwosigma
- Optiveroptiver
- IMC Trading B.V.imc-trading
- D. E. Shaw ResearchDEShawResearch
- The D. E. Shaw Groupdeshaw
- Jane Streetjanestreet
- Hudson River Tradinghudson-trading
- Tower Research Capitaltower-research
- The Alan Turing Institutealan-turing-institute