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BLAIR WILLIAM & CO/IL

Position in BLDR — Builders FirstSource, Inc.

CIK 902367 CHICAGO, IL

Position in BLDR

as of Mar 31, 2026 · filed May 8, 2026
Position Value
$1,107,338
+$907,094 QoQ
Shares Held
13,450
+860.0% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2020
19 quarters on record
Voting authority Sole 65.72490706319702.ToString("F0")% Shared 0.ToString("F0")% None 34.27509293680298.ToString("F0")%

Common Shares in BLDR Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Mar 31, 2026

BLAIR WILLIAM & CO/IL holds $183,215,788 across 12 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
13,450 $1,107,338

All Filings in BLDR

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19 filing rows on record
Report Date Value (USD) Shares
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