MARVELL TECHNOLOGY INC

The FMR (Fidelity) entry is both the largest absolute holder and the largest Q/Q addition: FMR lifted its position by roughly $2.2 billion, from $10.8 billion to $13 billion, on a 4.4 billion-share increase. FMR's Research Growth and other flagship flagships are among the largest discretionary technology allocators in the institutional universe, and a $2B+ addition in a single quarter signals conviction rather than index drift. BlackRock added $1.2 billion to its already-large $5.0 billion position. Both names' seeing material additions from both the active and the passive layers is notable: it suggests the consensus on Marvell's AI infrastructure optionality is broad-based, not limited to one strategy type.

The Vanguard dual-entry is the most theoretically interesting move in the file. Vanguard Capital Management added a new $3.9 billion position and Vanguard Portfolio Management added a new $3.3 billion position simultaneously — two separate Vanguard fund sleeves entering in the same quarter, suggesting a portfolio-wide rebalance where multiple Vanguard index products crossed the eligibility threshold for Marvell's market-cap tier. Vanguard's two separate fund-company entries — Vanguard Capital Management LLC and Vanguard Portfolio Management — are operationally distinct arms of the same house; both appearing simultaneously typically signals that multiple Vanguard broad-market or sector index products received an index inclusion or weight increase at the same review cycle. This is not a discretionary buy decision — it's mechanical — but the mechanical nature of the entry is itself a signal: the index governance committee (S&P, MSCI, etc.) concluded that Marvell's float and liquidity now satisfied inclusion criteria, which is a threshold event.