The latest data point for Pfizer's (PFE) cash flow, as of Q4'25, shows strong performance with Operating Cash Flow reaching $5.35B USD and Free Cash Flow at $4.50B USD, indicating robust cash generation in the final quarter of the fiscal year. Over the period from Q1'23 to Q4'25, Operating Cash Flow exhibited volatility, fluctuating between a low of -$1.21B USD in Q2'23 and a high of $6.72B USD in Q3'24 and Q4'24, with consistent negative flows in Q2 quarters (e.g., -$1.78B USD in Q2'24 and -$582M USD in Q2'25) offset by strong recoveries in Q3 and Q4; overall, it trended upward with a cumulative positive bias, peaking in late-year quarters. Free Cash Flow followed a similar pattern, dipping to -$2.12B USD in Q2'23 and -$2.42B USD in Q2'24 before surging to $6.06B USD in Q3'24, reflecting capital expenditure impacts but demonstrating resilience and growth in core operations across the 12-quarter span.