DOSSIER · 13F Holders · —Mega-capCrowded
Builders FirstSource Inc
0 institutions still hold Builders FirstSource Inc as of —. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 12008RAR8·0 13F holders
AI Holders Summary · —
0 institutions reported Builders FirstSource Inc in —. Top-holder concentration data is loading. +65 net new institutions vs prior quarter — accumulation reading.