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SPAXX Top Holdings & Constituents

SPAXX, offered by Fidelity, holds 23 reported positions across $437.4B in assets. Its largest holdings are UST BILLS (9.00%), UST BILLS (8.68%), and UST BILLS (8.58%). The 5 biggest positions account for 37.25% of reported assets. The table below lists every reported holding with its portfolio weight and market value in US dollars — open any constituent to research its own performance.


PositionWeightMarket Value
UST BILLS
9.00%
$175.94M
UST BILLS
8.68%
$169.72M
UST BILLS
8.58%
$167.90M
UST BILLS
5.51%
$107.83M
UST BILLS
5.48%
$107.25M

Holdings data comes from the latest SEC Form N-PORT-P filing for this fund, covering the reporting period ended Apr 30, 2026. Market values are reported in US dollars, and each weight represents the position's share of reported fund assets. Cash, derivatives, and rounding can mean displayed weights do not total 100%. Funds rebalance and file on a schedule, so this page may not reflect intraday or post-filing changes.