So, is China the biggest shareholder that owns the United States?

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According to an article I recently read from yahoo! Finance, the deficit of The United States continue to grow, and we will be indebted to other countries who lend us money for another decade. $4.4 trillion were held by foreign governments who purchase the treasury securities. So, who is the biggest shareholders will be Mainland China; then Japan; followed by United Kingdom; Canada; Taiwan etc...... much works like a shareholder who holds a share on a company. Would that be affected?