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Builders FirstSource
BLDR

Fund managers haven’t disclosed any holdings of BLDR yet.

BLDR Hedge Fund Activity: Q1 2026 in Review

719 of the 8,128 institutional investors tracked by Wall St. Rank reported a position in Builders FirstSource (BLDR) for Q1 2026, worth a combined $8.74B — down 19% from $10.8B a quarter earlier.

Sellers outnumbered buyers: 135 funds closed out of BLDR and 104 opened new positions — a net loss of 31 holders — while 239 trimmed existing stakes and 274 added.

The largest buyer was Coliseum Capital Management, adding an estimated $140M. The largest seller was Fidelity Investments, cutting an estimated $236M.

  • 719 institutional investors held Builders FirstSource (BLDR) as of Q1 2026, down from 765 in Q4 2025.
  • Funds reported $8.74B of Builders FirstSource stock for Q1 2026, down 19% quarter-over-quarter.
  • 104 funds opened new Builders FirstSource positions in Q1 2026 and 135 closed out, a net change of -31 holders.
  • The largest Builders FirstSource buyer in Q1 2026 was Coliseum Capital Management, an estimated $140M added.
  • The largest Builders FirstSource seller in Q1 2026 was Fidelity Investments, an estimated $236M sold.

Based on aggregated 13F filings for Q1 2026.