OSLO, Jan 28 (Reuters) - The value of U.S. Treasuries held by Norway's $2.2 trillion sovereign wealth fund increased during the second half of ​2025, continuing a long-term trend, fund data showed on Wednesday. Norges Bank ‌Investment Management, operator of the world's largest sovereign fund, held$199 billion in U.S. Treasuries, or 9.4% ‌of the fund's total investments as of December 31, according to the latest fund data. That compares with the $181 billion the fund held in U.S. Treasuries, or 9.2% o ...