Meta’s Q3 2026 headcount will reflect the bulk of an 8,000-person reduction announced in May, with the company stating most affected employees would exit by quarter-end after the Q2 figure of 75,472. Official filings emphasize AI-driven productivity gains that support leaner teams alongside heavy infrastructure spending, while LinkedIn-based trackers show slower net growth amid hiring freezes in non-priority areas. Q3 earnings, scheduled for October 21, will provide the resolution data point, and any variance from the planned attrition—due to timing, severance processing, or selective rehiring—remains the key swing factor for trader positioning.