BLDR

Builders FirstSource, Inc.

Company with tickers: BLDR

CIK
1316835
CUSIP
12008R107
Shares Outstanding
110,605,069

Short Interest History

Settlement Date Current Position Previous Position Change Days to Cover
2026-03-13 6,603,493 5,576,445 +1,027,048 2.19
2026-02-27 5,576,445 4,698,707 +877,738 2.63
2026-02-13 4,698,707 4,508,345 +190,362 1.73
2026-01-30 4,508,345 4,753,876 -245,531 2.42
2026-01-15 4,753,876 4,765,888 -12,012 2.12
2025-12-31 4,765,888 4,578,394 +187,494 3.21
2025-12-15 4,578,394 5,122,241 -543,847 2.55
2025-11-28 5,122,241 5,573,309 -451,068 1.97
2025-11-14 5,573,309 5,884,781 -311,472 2.20
2025-10-31 5,884,781 6,275,268 -390,487 3.27
2025-10-15 6,275,268 6,856,227 -580,959 3.71
2025-09-30 6,856,227 8,022,488 -1,166,261 3.14
2025-09-15 8,022,488 7,112,672 +909,816 4.69
2025-08-29 7,112,672 6,497,410 +615,262 3.58
2025-08-15 6,497,410 6,028,800 +468,610 2.74
2025-07-31 6,028,800 6,853,730 -824,930 3.01
2025-07-15 6,853,730 6,172,635 +681,095 2.64
2025-06-30 6,172,635 6,619,721 -447,086 2.32
2025-06-13 6,619,721 6,103,244 +516,477 3.56
2025-05-30 6,103,244 4,881,319 +1,221,925 3.07
2025-05-15 4,881,319 4,311,088 +570,231 1.91
2025-04-30 4,311,088 3,898,412 +412,676 3.08
2025-04-15 3,898,412 4,204,518 -306,106 2.00
2025-03-31 4,204,518 4,926,975 -722,457 2.77