Geode Capital Management

Geode Capital Management's recent 13F filing reveals the complex mechanics of managing massive passive index portfolios, with the firm's $1.43 trillion in assets spread across an extraordinarily diversified 8,497 positions. Despite being classified as a passive manager, the quarterly turnover rate of 97% appears paradoxical but reflects the intensive operational requirements of maintaining precise index tracking across multiple benchmark strategies. The firm added 259 new positions this quarter while notably exiting zero holdings, suggesting continuous refinement of index replication rather than strategic position changes.

The portfolio's structure demonstrates classic index fund characteristics, with technology and semiconductor holdings dominating the top positions through what appears to be multiple share classes or fund vehicles of the same underlying securities. NVIDIA appears multiple times in the top holdings with positions ranging from $64.6 trillion to $96.7 trillion, alongside repeated Apple and Microsoft entries, collectively representing the firm's need to track various technology-weighted indices. The relatively low Herfindahl-Hirschman Index of 0.013 confirms the portfolio's broad diversification, while the top 10 holdings comprising 29.9% of assets aligns with typical broad market index concentration levels.

Geode's sector allocation, heavily weighted toward technology at 17.6% and semiconductors at 12.7%, mirrors current market capitalization dynamics and suggests the firm is primarily tracking broad market indices that have become increasingly tech-concentrated. The presence of media, retail, and financial services holdings at lower but significant weightings indicates comprehensive market coverage typical of total market or S&P 500 index strategies, consistent with the firm's role as Fidelity's sub-advisor for passive investment products.

Analysis generated Apr 5, 2026