Group 1: U.S. Treasury Holdings Overview - As of March, foreign countries and regions held $90,495 billion in U.S. Treasury securities, with a month-over-month increase of $2,331 billion [1] - Japan remains the largest foreign holder of U.S. debt, increasing its holdings by $49 billion to $1,130.8 billion, marking the third consecutive month of increases [1][7] - China reduced its holdings by $189 billion, bringing its total to $765.4 billion, the lowest level since 2009 [2][5] Group 2: Changes in Major Holders - The United Kingdom increased its U.S. Treasury holdings by $289 billion to $779.3 billion, surpassing China to become the second-largest holder [2][6] - In March, total net inflows into U.S. securities and bank cash from overseas reached $2,543 billion, with private funds contributing $2,592 billion and official funds experiencing a net outflow of $49 billion [3][4] Group 3: Investment Trends and Motivations - In March, overseas net purchases of U.S. long-term securities amounted to $1,832 billion, with private investors net buying $1,460 billion and official institutions net buying $373 billion [4] - Japan's motivations for increasing its U.S. Treasury holdings include currency intervention, leveraging its holdings in trade negotiations, and adjustments in monetary policy [8][9][10] Group 4: U.S. Fiscal Challenges - Moody's downgraded the U.S. sovereign credit rating from Aaa to Aa1, citing increasing budget deficits and rising costs of debt refinancing under high interest rates [13][14] - The U.S. federal debt has surpassed $36 trillion, with a fiscal deficit exceeding $1.3 trillion in the first half of the fiscal year, marking the second-highest deficit on record [17]