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BTOT Top Holdings & Constituents

BTOT, offered by iShares, holds 846 reported positions across $29.3M in assets. Its largest holdings are BLACKROCK CASH FUNDS (5.27%), Fannie Mae (2.33%), and Freddie Mac (1.61%). The 5 biggest positions account for 11.69% 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
BLACKROCK CASH FUNDS
5.27%
$1.31M
Fannie Mae
2.33%
$578.66K
Freddie Mac
1.61%
$398.79K
United States Treasury
1.26%
$312.76K
BENCHMARK Mortgage Trust
1.22%
$303.91K

Holdings data comes from the latest SEC Form N-PORT-P filing for this fund, covering the reporting period ended May 31, 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.