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ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in BLDR — Builders FirstSource, Inc.

CIK 1165408 Boston, MA

Position in BLDR

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$5,409,081
-$27,700,921 QoQ
Shares Held
65,700
-79.6% QoQ
Ownership
0.061%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2021
14 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in BLDR Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Mar 31, 2026

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $595,180,769 across 7 Building Products & Equipment names. BLDR ranks #7 (0.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 BLDR
Builders FirstSource, Inc.
This page
65,700 $5,409,081

All Filings in BLDR

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14 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $5,409,081 65,700
2025-12-31 $33,110,002 321,800
2025-09-30 $18,397,505 151,732
2025-06-30 $18,226,978 156,200
2025-03-31 $8,676,083 69,442
2024-12-31 $15,364,975 107,500
2024-09-30 $17,020,908 87,800
2024-06-30 $37,661,361 272,100
2024-03-31 $25,234,550 121,000
2023-12-31 $20,016,106 119,900
2022-03-31 $16,135,000 250,000
2021-12-31 $8,571,000 100,000
2021-06-30 $17,064,000 400,000
2021-03-31 $23,185,000 500,000