FAST

FASTENAL CO

Company with tickers: FAST

CIK
815556
CUSIP
311900104
Shares Outstanding
1,148,328,513

Short Interest History

Settlement Date Current Position Previous Position Change Days to Cover
2026-03-13 31,136,708 31,926,847 -790,139 3.95
2026-02-27 31,926,847 33,154,548 -1,227,701 4.96
2026-02-13 33,154,548 34,665,326 -1,510,778 3.29
2026-01-30 34,665,326 31,511,673 +3,153,653 3.36
2026-01-15 31,511,673 31,434,778 +76,895 3.68
2025-12-31 31,434,778 31,452,298 -17,520 4.53
2025-12-15 31,452,298 29,427,595 +2,024,703 4.54
2025-11-28 29,427,595 27,692,749 +1,734,846 4.35
2025-11-14 27,692,749 26,285,149 +1,407,600 4.20
2025-10-31 26,285,149 23,784,347 +2,500,802 4.55
2025-10-15 23,784,347 25,848,771 -2,064,424 2.99
2025-09-30 25,848,771 24,264,136 +1,584,635 4.29
2025-09-15 24,264,136 25,224,369 -960,233 4.01
2025-08-29 25,224,369 24,709,243 +515,126 4.73
2025-08-15 24,709,243 25,447,460 -738,217 4.38
2025-07-31 25,447,460 25,333,413 +114,047 3.87
2025-07-15 25,333,413 27,847,271 -2,513,858 3.49
2025-06-30 27,847,271 29,772,035 -1,924,764 4.34
2025-06-13 29,772,035 28,005,205 +1,766,830 6.42
2025-05-30 28,005,205 14,207,192 +13,798,013 6.36
2025-05-15 14,207,192 14,684,319 -477,127 4.35
2025-04-30 14,684,319 14,450,378 +233,941 4.24
2025-04-15 14,450,378 14,221,090 +229,288 2.69
2025-03-31 14,221,090 13,729,531 +491,559 4.34