S&P 500 Index Master Portfolio
Master Investment Portfolio · Series S000004285
$51.91B NAV
507 positions · as of 2026-03-31 · filed 2026-05-28
data updated 2026-07-30
data updated 2026-07-30
Allocation
Asset groups · long / short shown separately, never netted · 2026 Q1
| Group | Long | Short | Net %NAV |
|---|---|---|---|
| Stocks | 99.11% | — | 99.11% |
| Cash & short-term | 1.03% | — | 1.03% |
| Derivatives | -0.00% | — | -0.00% |
Derivatives are shown at market value, not notional exposure.
vs 2025Q4: 7 new7 exitedlargest add XOM+0.39pplargest trim MSFT-1.24pp
Top holdings
By % of NAV · every resolvable issuer links to its company page
| Ticker | Issuer | %NAV | Value |
|---|---|---|---|
| NVDA | NVIDIA Corp | 7.44% | $3.86B |
| AAPL | Apple Inc | 6.54% | $3.40B |
| MSFT | Microsoft Corp | 4.83% | $2.51B |
| AMZN | Amazon.com Inc | 3.57% | $1.85B |
| GOOGL | Alphabet Inc | 2.94% | $1.53B |
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Full holdings with filed share counts, the complete quarter-over-quarter change list, and the fixed-income profile for every bond position — free with an account, no card required.
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