In Q1'26, Eli Lilly's (LLY) operating cash flow reached $5.33B USD, marking a robust increase from the $3.22B USD reported in Q4'25 and reflecting strong operational performance. Free cash flow for the same period stood at $3.01B USD, up significantly from $0.68B USD in Q4'25, indicating improved liquidity after accounting for capital expenditures. Over the period from Q2'23 to Q1'26, operating cash flow exhibited volatility with early fluctuations, including a negative $0.31B USD in Q4'23, but trended strongly upward overall, peaking at $8.84B USD in Q3'25 before stabilizing at elevated levels, driven by apparent revenue growth in the pharmaceutical sector. Free cash flow followed a similar volatile pattern, with negatives in Q2'23 and Q4'23, but showed marked improvement post-Q1'24, culminating in highs of $6.75B USD in Q3'25, underscoring LLY's enhancing ability to generate surplus cash for investments and shareholder returns amid expanding operations.