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SOMA

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Fed's SOMA portfolio size — tracking how QT/QE affects market liquidity

Module/Supply
Latest Treasury Holdings$4.49 trillion
Latest MBS Holdings$1.96 trillion
Total SOMA 1-week Change-$3.18 billion
Total SOMA 4-week Change+$19.88 billion
Total SOMA 13-week Change+$72.87 billion
What To Watch
  • 4-week and 13-week changes in Treasury/MBS holdings.
  • Whether QT/QE shifts line up with reserves and ON RRP drawdown.
What Can Mislead
  • SOMA runoff is slow-moving and should not replace auction and dealer absorption signals.
Data Lineage

Sourced from NY Fed SOMA holdings; used to frame Fed holdings and duration supply.

Sources: New York Fed SOMA

Chart
$-0.46T$1.21T$2.89T$4.56T$6.24T2003/072011/032018/102026/06
TreasuryMBS

Sources·New York Fed SOMA as of 2026-06-24

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