SEC ownership of Builders FirstSource, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001316835.

Comparable stake leader

BlackRock, Inc.

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

13 Jun 2026

Top shareholders Insider holders Latest transactions
Public ticker
BLDR on NYSE
Parsed ownership sources
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
13 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001316835
Issuer location
Irving, TX

Ownership snapshot

Top shareholders of Builders FirstSource, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
13 Jun 2026
13D/G 13F 3/4/5 Lead comparable stake: 7.5% 13D/G row: BlackRock, Inc. Showing 1-8 of 50 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 7.5%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 7.5%
VANGUARD CAPITAL MANAGEMENT LLC 7.2%
FMR LLC 3.3%
Paul S. Levy 1.6%
Peter M. Jackson 0.25%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13D/G 13F
Company
13D/G 13F
7.5%
$1,024,400,907
8,472,425 shares
 $0 31 Mar 2025
VANGUARD CAPITAL MANAGEMENT LLC
13D/G 13F
Vanguard Capital Management · Company
13D/G 13F
7.2%
$656,337,806
7,972,037 shares
 $0 31 Mar 2026
FMR LLC
13D/G 13F
Company
13D/G 13F
3.3%
$441,564,014
3,699,740 shares
 -$975,081,623 28 Nov 2025
Paul S. Levy
3/4/5
Director
3/4/5
1.6%
$142,496,599
1,730,798 shares
 +$4,386,500 01 Jun 2026
Peter M. Jackson
3/4/5
President & CEO, Director
3/4/5
0.25%
$34,972,875
272,332 shares
 — 15 Mar 2026
Scott L. Robins
3/4/5
President - West Division
3/4/5
0.14%
$19,423,139
151,247 shares
 — 15 Mar 2026
David E. Rush
3/4/5
Director
3/4/5
0.11%
$10,278,241
124,842 shares
 -$390,850 14 May 2026
Stephen J. Herron
3/4/5
Chief Operating Officer
3/4/5
0.1%
$9,077,705
110,260 shares
 — 05 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$3,814,588.

Buys
$4,386,500
Insiders: 1
Sells
$571,912
Insiders: 2
Net
+$3,814,588
Shares: +43,750
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 50,000 Shares: 6,250
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 5,000 $0 $390,850 -$390,850
3-6 50,000 0 $4,386,500 $0 +$4,386,500
6-9 0 0 $0 $0 $0
9-12 0 1,250 $0 $181,062 -$181,062

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 33 reporting-owner rows connected to Builders FirstSource, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
33
Largest Forms 3/4/5 holder
Paul S. Levy
Net 12M change
+$3,814,587
Latest report
13 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Paul S. Levy Director $142,496,599 +$4,386,500 +3.2% Median 01 Jun 2026
David E. Flitman President and CEO, Director $62,427,275 Mixed 15 Mar 2022
Peter M. Jackson President & CEO, Director $34,972,875 Mixed 15 Mar 2026
Scott L. Robins President - West Division $19,423,139 Mixed 15 Mar 2026
David W. Bullock Director $14,553,951 Mixed 15 Jun 2021
Pete Beckmann Evp & Cfo $10,469,439 Mixed 15 Mar 2026
Jami Beckmann Principal Accounting Officer $10,398,186 Mixed 22 May 2024
David E. Rush Director $10,278,241 -$390,850 -3.7% Median 14 May 2026
Michael Alan Farmer President - Commercial Ops $9,967,826 Mixed 22 May 2024
Timothy D. Johnson EVP & General Counsel $9,921,470 -$181,063 -1.8% Mixed 22 Aug 2025
Stephen J. Herron Chief Operating Officer $9,077,705 Median 05 Jun 2026
Craig Arthur Steinke Director $8,402,764 Median 01 Jun 2026
James Oleary Director $7,511,048 Median 01 Jun 2026
Brett N. Milgrim Director $6,803,257 Median 14 May 2026
Daniel Agroskin Director $5,307,413 Mixed 01 Jun 2022
Todd Vance President - East Division $5,049,217 Mixed 15 Mar 2026
Paul Vaughn President - Central Division $4,797,514 Mixed 15 Mar 2026
Amy B. Messersmith Chief People Officer $4,324,016 Mixed 22 May 2024
Michael Hiller COO-Designate $4,292,850 Median 04 Jun 2026
Mark A. Alexander Director $3,944,677 Median 01 Jun 2026

Recent insider transactions for Builders FirstSource, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Gayatri Narayan BLDR Common Stock, par value $0.01 per share Tax liability -9.14% -2,842 28,252 13 Jun 2026 Direct
Stephen J. Herron BLDR Common Stock, par value $0.01 per share Gift -0.77% -850 110,260 05 Jun 2026 Direct
Michael Hiller BLDR Common Stock, par value $0.01 per share Gift -1.7% -900 52,142 04 Jun 2026 Direct
Cory Jacobs Boydston BLDR Common Stock, par value $0.01 per share Award 1.55% 409 26,721 01 Jun 2026 Direct
Maria Renz BLDR Common Stock, par value $0.01 per share Award 7.15% 426 6,381 01 Jun 2026 Direct
Mark A. Alexander BLDR Common Stock, par value $0.01 per share Award 0.86% 409 47,913 01 Jun 2026 Direct
James Oleary BLDR Common Stock, par value $0.01 per share Award 0.54% 491 91,231 01 Jun 2026 Direct
Cleveland A. Christophe BLDR Common Stock, par value $0.01 per share Award 1.3% 491 38,198 01 Jun 2026 Direct
Paul S. Levy BLDR Common Stock, par value $0.01 per share Award 0.06% 1,049 1,730,798 01 Jun 2026 Direct
William B. Hayes BLDR Common Stock, par value $0.01 per share Award 2.66% 508 19,638 01 Jun 2026 Direct
Dirkson R. Charles BLDR Common Stock, par value $0.01 per share Award 2.95% 409 14,296 01 Jun 2026 Direct
Craig Arthur Steinke BLDR Common Stock, par value $0.01 per share Award 0.48% 491 102,062 01 Jun 2026 Direct
Paul S. Levy BLDR Common Stock, par value $0.01 per share Award 0.15% 2,558 1,729,749 14 May 2026 Direct
William B. Hayes BLDR Common Stock, par value $0.01 per share Award 15.4% 2,558 19,130 14 May 2026 Direct
Maria Renz BLDR Common Stock, par value $0.01 per share Award 75.3% 2,558 5,955 14 May 2026 Direct
Mark A. Alexander BLDR Common Stock, par value $0.01 per share Award 5.69% 2,558 47,504 14 May 2026 Direct
Cleveland A. Christophe BLDR Common Stock, par value $0.01 per share Award 7.28% 2,558 37,707 14 May 2026 Direct
David E. Rush BLDR Common Stock, par value $0.01 per share Award 2.09% 2,558 124,842 14 May 2026 Direct
Cory Jacobs Boydston BLDR Common Stock, par value $0.01 per share Award 10.8% 2,558 26,312 14 May 2026 Direct
Brett N. Milgrim BLDR Common Stock, par value $0.01 per share Award 3.19% 2,558 82,634 14 May 2026 Direct
Cheryl Ainoa BLDR Common Stock, par value $0.01 per share Award 123.5% 2,558 4,629 14 May 2026 Direct
Craig Arthur Steinke BLDR Common Stock, par value $0.01 per share Award 2.58% 2,558 101,571 14 May 2026 Direct
Dirkson R. Charles BLDR Common Stock, par value $0.01 per share Award 22.6% 2,558 13,887 14 May 2026 Direct
James Oleary BLDR Common Stock, par value $0.01 per share Award 2.9% 2,558 90,740 14 May 2026 Direct
David E. Rush BLDR Common Stock, par value $0.01 per share Sale -3.93% $390,850 $78.17 -5,000 122,284 08 May 2026 Direct
Paul Vaughn BLDR Common Stock, par value $0.01 per share Tax liability -6.56% -2,622 37,358 15 Mar 2026 Direct
Paul Vaughn BLDR Common Stock, par value $0.01 per share Award 32.9% 9,900 39,980 15 Mar 2026 Direct
Stephen J. Herron BLDR Common Stock, par value $0.01 per share Tax liability -4.98% -5,818 111,110 15 Mar 2026 Direct
Stephen J. Herron BLDR Common Stock, par value $0.01 per share Award 23.1% 21,975 116,928 15 Mar 2026 Direct
Peter M. Jackson BLDR Common Stock, par value $0.01 per share Tax liability -3.03% -8,508 272,332 15 Mar 2026 Direct
Peter M. Jackson BLDR Common Stock, par value $0.01 per share Award 22.2% 50,962 280,840 15 Mar 2026 Direct
Michael Hiller BLDR Common Stock, par value $0.01 per share Tax liability -5.85% -3,294 53,042 15 Mar 2026 Direct
Michael Hiller BLDR Common Stock, par value $0.01 per share Award 43% 16,946 56,336 15 Mar 2026 Direct
Scott L. Robins BLDR Common Stock, par value $0.01 per share Tax liability -3.24% -5,057 151,247 15 Mar 2026 By trust
Scott L. Robins BLDR Common Stock, par value $0.01 per share Award 10.7% 15,101 156,304 15 Mar 2026 By trust
Jonathan P. Cope BLDR Common Stock, par value $0.01 per share Award 70.1% 5,676 13,770 15 Mar 2026 Direct
Jonathan P. Cope BLDR Common Stock, par value $0.01 per share Tax liability -8.37% -739 8,094 15 Mar 2026 Direct
Gayatri Narayan BLDR Common Stock, par value $0.01 per share Award 43.1% 9,365 31,094 15 Mar 2026 Direct
Matthew Trester BLDR Common Stock, par value $0.01 per share Tax liability -12.3% -648 4,629 15 Mar 2026 Direct
Matthew Trester BLDR Common Stock, par value $0.01 per share Award 67% 2,117 5,277 15 Mar 2026 Direct
David E. Rush BLDR Common Stock, par value $0.01 per share Tax liability -1.8% -2,332 127,284 15 Mar 2026 Direct
Pete Beckmann BLDR Common Stock, par value $0.01 per share Tax liability -4.15% -1,873 43,259 15 Mar 2026 By spouse
Pete Beckmann BLDR Common Stock, par value $0.01 per share Award 14.3% 5,643 45,132 15 Mar 2026 By spouse
Pete Beckmann BLDR Common Stock, par value $0.01 per share Tax liability -4.89% -1,966 38,266 15 Mar 2026 Direct
Pete Beckmann BLDR Common Stock, par value $0.01 per share Award 46.4% 12,750 40,232 15 Mar 2026 Direct
Todd Vance BLDR Common Stock, par value $0.01 per share Tax liability -4.15% -1,703 39,318 15 Mar 2026 Direct
Todd Vance BLDR Common Stock, par value $0.01 per share Award 31.8% 9,900 41,021 15 Mar 2026 Direct
Paul S. Levy BLDR Common Stock, par value $0.01 per share Purchase 2.98% $4,386,500 $87.73 50,000 1,727,191 13 Mar 2026 Direct
James Oleary BLDR Common Stock, par value $0.01 per share Award 0.41% 359 88,182 01 Mar 2026 Direct
Mark A. Alexander BLDR Common Stock, par value $0.01 per share Award 0.67% 299 44,946 01 Mar 2026 Direct
* marks a reported price that did not pass the local price check.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .