12 / 14 · Citadel
Citadel's Crisis Playbook
Five rescues across twenty-five years, including Melvin, which Citadel backed in 2021 and which wound down the year after.
From the article Situational Awareness: The $45 Billion Blowup →SourceEnron 2001 · Amaranth 2006 · Sowood 2007 · Melvin 2021, wound down 2022 · Situational Awareness, July 30 2026.