Unadjusted flow from BEA, BOP, Table 8a Transactions in Long-term Securities, line B4, Stocks, net purchases by foreign residents (excludes transactions by foreign official agencies); plus memorandum line 4, U.S. stocks purchased by foreign official agencies. Fourth-quarter level from BEA, IIP, Table 2, line 39, Corporate stocks (excludes holdings of foreign official agencies), plus an unpublished estimate from BEA for holdings by foreign official agencies. Level for other quarters is estimated by the FR Board, International Finance division. Data for the most recent ten years show no significant seasonality.