Navigating the allocation shifts of major institutions like BlackRock, Fidelity, Vanguard, and PIMCO between stocks and bonds in 2025 requires a look at various data points, primarily 13F filings for equity positions and fund flow data for a broader asset allocation perspective.
BlackRock's Asset Allocation in Q3 2025
BlackRock's Q3 2025 earnings report, filed on October 14, 2025, provides the most comprehensive insight into their recent asset allocation. The firm reported a new high in Assets Under Management (AUM) of $13.5 trillion as of September 30, 2025.1
- Equity Allocation: BlackRock's equity AUM saw substantial growth, increasing from $6.9 trillion at June 30, 2025, to $7.46 trillion by the end of Q3 2025. This was driven by significant net inflows of $45.98 billion and market appreciation totaling $519.26 billion.1 Year-over-year, equity net inflows were $220.64 billion.1
- Fixed Income Allocation: Fixed income AUM also experienced an increase, rising from $3.09 trillion to $3.18 trillion in Q3 2025. Net inflows into fixed income products amounted to $47.55 billion, complemented by $40.10 billion in market appreciation.1 Over the past year, fixed income net inflows reached $104.41 billion.1
These figures indicate that BlackRock experienced robust growth and positive net inflows into both equity and fixed income assets during 2025, suggesting a balanced approach rather than a significant shift away from one asset class towards the other. Both asset classes saw considerable increases in AUM and attracted new capital.
Insights for Fidelity, Vanguard, and PIMCO
For Fidelity, Vanguard, and PIMCO, detailed, aggregated institutional-level data specifically outlining their overall stock-to-bond allocation shifts for 2025 is less readily available through general 13F filings. 13F filings primarily disclose equity holdings of institutional investment managers and do not comprehensively cover bond portfolios or other asset classes.
- Fidelity: While specific 13F filings show changes in individual equity positions held by various funds (e.g., in RMS N2 or TDS),3 broad institutional allocation shifts between stocks and bonds are not directly discernible from these filings. Fidelity's private credit fund reports indicate a strategic focus on direct lending within the middle market, which is a specific segment of fixed income, but doesn't reflect overall institutional stock/bond allocation.4
- Vanguard: Similar to Fidelity, 13F data for Vanguard primarily highlights changes in equity holdings for specific funds or ETFs (e.g., VCN,5 WSBK,6 CAG,7 TDS,3 1NVDA).8 A comprehensive overview of their institutional stock-to-bond allocation shifts for 2025 is not available in the search results.
- PIMCO: Known predominantly for fixed income, PIMCO's 13F filings would naturally show fewer equity positions compared to other diversified asset managers. Some NP (N-PORT) filings for PIMCO funds in May 2025 indicated negative changes in shares for multi-asset funds like PIMCO All Asset Fund and PIMCO All Asset All Authority Fund, suggesting some outflows from these specific products.9 However, this does not paint a complete picture of their overall institutional stock-to-bond allocation strategy.
In summary, BlackRock's Q3 2025 data points to continued growth and inflows across both equity and fixed income. For the other institutions, a granular, aggregated view of their 2025 stock-bond allocation shifts from the available public filings is challenging to construct, as 13F data focuses on equity and comprehensive fund flow data for all requested institutions was not found in a consolidated manner.