Old crop corn stocks on hand as of Sept. 1, 2026, totaled 2.10 billion bushels, up 35% from Sept. 1, 2025, according to the U.S. Department of Agriculture's National Agricultural Statistics Service Grain Stocks report released Oct. 1.

Old crop soybean stocks stored in all positions were down 3% from Sept. 1, 2025, while all wheat stocks were down 14% from a year earlier.

Of the total corn stocks, 787 million bushels were stored on farms, up 22% from last year. Off-farm stocks, at 1.31 billion bushels, were up 44% from a year ago. June-August 2026 indicated disappearance was 3.20 billion bushels, compared with 3.09 billion bushels during the same period a year earlier.

The report also included revisions to the previous season's corn and soybean production. Production for 2025 corn was revised down less than 1%, while soybean production was revised down slightly from previous estimates.

All wheat stored in all positions on Sept. 1, 2026, totaled 1.85 billion bushels, down 14% from a year ago. On-farm stocks were estimated at 547 million bushels, down 21% from last September. Off-farm stocks, at 1.30 billion bushels, were down 10% from a year ago. June-August 2026 indicated disappearance was 608 million bushels, down 14% from the same period last year.

Durum wheat stocks in all positions on Sept. 1, 2026, totaled 62.9 million bushels, down 13% from a year ago. On-farm stocks, at 43.8 million bushels, were down 15% from Sept. 1, 2025. Off-farm stocks totaled 19.1 million bushels, down 6% from a year ago. June-August 2026 indicated disappearance was 35.4 million bushels, down 15% from the same period last year.

NASS conducted separate surveys for on-farm and off-farm stocks during the first two weeks of September in preparation for the Grain Stocks report.

NASS also released its Small Grains Annual Summary. All wheat production totaled 1.53 billion bushels in 2026, down 23% from the revised 2025 total. All wheat area harvested for grain totaled 31.9 million acres, down 15% from 2025. The U.S. all wheat yield was estimated at 48.1 bushels per acre, down 10% from 2025.

Winter wheat production totaled 1.02 billion bushels, down 27% from 2025. Other spring wheat production totaled 450 million bushels, down 10%. Durum wheat production totaled 64.8 million bushels, down 24%.

Source: National Agricultural Statistics Service, "US corn ending stocks up 35% from last year, soybean ending stocks down 3%"