As of Q4'25, UnitedHealth Group (UNH) reported Operating Cash Flow of USD 19.7B and Free Cash Flow of USD 16.1B, marking the highest values in the observed period from Q1'23 to Q4'25. This latest data point reflects a substantial increase from the previous quarter, where Operating Cash Flow was USD 5.9B and Free Cash Flow was USD 5.1B. Throughout the period, both cash flow metrics exhibited significant volatility, with notable declines in Q4'23 when Operating Cash Flow and Free Cash Flow dropped to -USD 5.2B and -USD 6.2B, respectively. After this trough, the company experienced a steady recovery, culminating in strong cash flow growth in the second half of 2025. The overall trend highlights a rebound from negative cash flow in late 2023 to robust positive cash generation by the end of 2025.