Skip to main content

BLAIR WILLIAM & CO/IL

Position in BLDR — Builders FirstSource, Inc.

CIK 902367 CHICAGO, IL

Position in BLDR

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$1,547,646
+$440,308 QoQ
Shares Held
17,296
+28.6% QoQ
Ownership
0.016%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#262
of 662 holders
Holding Since
Sep 2020
20 quarters on record
Voting authority Sole 67% Shared 0% None 33%

Common Shares in BLDR Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $256,617,029 across 14 Building Products & Equipment names. BLDR ranks #7 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 BLDR
Builders FirstSource, Inc.
This page
17,296 $1,547,646

All Filings in BLDR

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,547,646 17,296
2026-03-31 $1,107,338 13,450
2024-12-31 $200,244 1,401
2024-09-30 $263,843 1,361
2024-06-30 $770,943 5,570
2024-03-31 $1,036,910 4,972
2023-12-31 $858,739 5,144
2023-09-30 $848,897 6,819
2023-06-30 $1,449,216 10,656
2023-03-31 $1,299,650 14,639
2022-12-31 $1,000,644 15,423
2022-09-30 $1,010,772 17,155
2022-06-30 $929,976 17,318
2022-03-31 $1,358,179 21,044
2021-12-31 $1,889,905 22,050
2021-09-30 $1,305,141 25,225
2021-06-30 $1,056,474 24,765
2021-03-31 $762,322 16,440
2020-12-31 $691,851 16,953
2020-09-30 $359,178 11,011