Alphabet's Q3 2026 13F report shows that, as of September 30, its reported holdings totaled approximately $88.3 billion in market value, down 10.9% quarter-over-quarter. During the quarter, the company added 4 new positions, increased its stake in 1, reduced its stake in 3, and fully exited 3, with the top ten holdings accounting for 99.48% of the total. SpaceX remains the largest holding, with a slight increase in shares held, though its portfolio weight declined marginally. Qualcomm is the core new addition, entering directly as the sixth-largest holding; the other new positions are Neutron Holdings, Freenome, and Obsidian Therapeutics. Among other major holdings, share counts for several positions were unchanged from the previous quarter, with only Revolution Medicines and others seeing reductions. Because the reported portfolio is highly concentrated, the roughly $10.8 billion decline in total market value does not equate to an equivalent amount of capital withdrawal.