Comparable stake leader
Capital Research Global Investors
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001633931.
Comparable stake leader
Capital Research Global Investors
Disclosed value leader
Capital Research Global Investors
Comparable rows
50/50
Latest evidence
31 Mar 2026
Ownership snapshot
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.
Quick read
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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Capital Research Global Investors |
13F
13D/G
Company
|
8.4%
from 13D/G
|
$1,438,475,445
4,095,185 shares
|
— | 31 Mar 2026 |
| Capital World Investors |
13D/G
13F
Company
|
5.3%
|
$535,013,189
1,483,387 shares
|
$0 | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
|
$517,449,239
1,472,955 shares
|
$0 | 31 Mar 2026 |
| Capital International Investors |
13D/G
13F
Company
|
2%
|
$204,254,634
566,320 shares
|
-$343,898,124 | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
1.8%
from 13D/G
|
$1,026,274,383
2,921,362 shares
|
— | 31 Mar 2026 |
| FMR LLC |
13F
13D/G
Company
|
0.6%
from 13D/G
|
$667,265,641
1,899,418 shares
|
— | 31 Mar 2026 |
| Joey M. Viselli |
3/4/5
VP and Chief Growth Officer
|
0.04%
|
$6,394,098
11,731 shares
|
-$194,010 | 17 Feb 2026 |
| Jeff M. Krestancic |
3/4/5
President, TruTeam
|
0.02%
|
$2,047,610
4,934 shares
|
— | 07 Aug 2025 |
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
Net insider flow leans to selling over the last 12 months. Net value: -$5,806,513.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 6,130 | $0 | $2,773,549 | -$2,773,549 |
| 9-12 | 0 | 7,187 | $0 | $3,032,964 | -$3,032,964 |
Reporting owners
Showing 1-20 of 21 reporting-owner rows connected to QXO Insulation, LLC. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| John S. Peterson | Vice President and CFO | $8,590,327 | Mixed | 22 Feb 2022 | ||
| Joey M. Viselli | VP and Chief Growth Officer | $6,394,098 | -$194,010 | -2.9% | Mixed | 17 Feb 2026 |
| Robert Jeffrey Franklin | Pres, Specialty Distribution | $5,946,753 | Filing P/S | 07 Mar 2024 | ||
| Carl T. Camden | Director | $2,715,850 | Mixed | 10 May 2021 | ||
| Jeff M. Krestancic | President, TruTeam | $2,047,610 | Filing P/S | 07 Aug 2025 | ||
| David Heinz Fischer Jr. | President - SD | $427,376 | Mixed | 16 May 2025 | ||
| Carrie Gamble Wood | Chief Accounting Officer | $301,553 | Mixed | 21 Feb 2023 | ||
| Alec C. Covington | Director | $0 | Mixed | 01 Jul 2026 | ||
| John Frank Achille | President and COO | $0 | Mixed | 01 Jul 2026 | ||
| Deirdre Drake | Director | $0 | Mixed | 01 Jul 2026 | ||
| Mark A. Petrarca | Director | $0 | Mixed | 01 Jul 2026 | ||
| Luis F. Machado | VP, Gen. Counsel, Corp Sec. | $0 | -$450,400 | -100% | Mixed | 01 Jul 2026 |
| Robert M. Buck | CEO, Director | $0 | -$4,357,000 | -100% | Mixed | 01 Jul 2026 |
| Madeline Otero | Vice President and CAO | $0 | Mixed | 01 Jul 2026 | ||
| Robert M. Kuhns | Vice President and CFO | $0 | -$590,585 | -100% | Mixed | 01 Jul 2026 |
| Steven P. Raia | Pres, Sp Ops & Exec Adv | $0 | Mixed | 01 Jul 2026 | ||
| Jennifer Shoffner | Vice President & CHRO | $0 | Mixed | 01 Jul 2026 | ||
| Tina Donikowski | Director | $0 | -$158,319 | -100% | Mixed | 01 Jul 2026 |
| Joseph S. Cantie | Director | $0 | Mixed | 01 Jul 2026 | ||
| Nancy M. Taylor | Director | $0 | Mixed | 01 Jul 2026 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Nancy M. Taylor | BLD | Common Stock | Disposed to Issuer | -100% | -6,431 | 0 | 01 Jul 2026 | Direct | ||
| Luis F. Machado | BLD | Common Stock | Disposed to Issuer | -100% | -11,231 | 0 | 01 Jul 2026 | Direct | ||
| Luis F. Machado | BLD | Employee Stock Option (right to buy) | Disposed to Issuer | -100% | -2,121 | 0 | 01 Jul 2026 | Direct | ||
| Jennifer Shoffner | BLD | Common Stock | Disposed to Issuer | -100% | -12,128 | 0 | 01 Jul 2026 | Direct | ||
| Robert M. Buck | BLD | Common Stock | Disposed to Issuer | -100% | -74,387 | 0 | 01 Jul 2026 | Direct | ||
| Madeline Otero | BLD | Common Stock | Disposed to Issuer | -100% | -979 | 0 | 01 Jul 2026 | Direct | ||
| Joseph S. Cantie | BLD | Common Stock | Disposed to Issuer | -100% | -23,818 | 0 | 01 Jul 2026 | Direct | ||
| Deirdre Drake | BLD | Common Stock | Disposed to Issuer | -100% | -2,103 | 0 | 01 Jul 2026 | Direct | ||
| Mark A. Petrarca | BLD | Common Stock | Disposed to Issuer | -100% | -15,068 | 0 | 01 Jul 2026 | Direct | ||
| John Frank Achille | BLD | Common Stock | Disposed to Issuer | -100% | -6,376 | 0 | 01 Jul 2026 | Direct | ||
| Robert M. Kuhns | BLD | Common Stock | Disposed to Issuer | -100% | -17,296 | 0 | 01 Jul 2026 | Direct | ||
| Steven P. Raia | BLD | Common Stock | Disposed to Issuer | -100% | -9,083 | 0 | 01 Jul 2026 | Direct | ||
| Tina Donikowski | BLD | Common Stock | Disposed to Issuer | -100% | -4,123 | 0 | 01 Jul 2026 | Direct | ||
| Alec C. Covington | BLD | Common Stock | Disposed to Issuer | -100% | -15,068 | 0 | 01 Jul 2026 | Direct | ||
| Ernesto Bautista III | BLD | Common Stock | Disposed to Issuer | -100% | -2,758 | 0 | 01 Jul 2026 | Direct | ||
| Joseph S. Cantie | BLD | Common Stock | Award | 1.46% | 343 | 23,818 | 27 Apr 2026 | Direct | ||
| Mark A. Petrarca | BLD | Common Stock | Award | 2.33% | 343 | 15,068 | 27 Apr 2026 | Direct | ||
| Nancy M. Taylor | BLD | Common Stock | Award | 5.63% | 343 | 6,431 | 27 Apr 2026 | Direct | ||
| Deirdre Drake | BLD | Common Stock | Award | 19.5% | 343 | 2,103 | 27 Apr 2026 | Direct | ||
| Tina Donikowski | BLD | Common Stock | Award | 9.07% | 343 | 4,123 | 27 Apr 2026 | Direct | ||
| Ernesto Bautista III | BLD | Common Stock | Award | 14.2% | 343 | 2,758 | 27 Apr 2026 | Direct | ||
| Alec C. Covington | BLD | Common Stock | Award | 2.33% | 343 | 15,068 | 27 Apr 2026 | Direct | ||
| John Frank Achille | BLD | Common Stock | Award | 95.6% | 3,116 | 6,376 | 01 Apr 2026 | Direct | ||
| Jennifer Shoffner | BLD | Common Stock | Award | 12% | 1,267 | 11,823 | 17 Feb 2026 | Direct | ||
| Steven P. Raia | BLD | Common Stock | Award | 25.4% | 1,780 | 8,787 | 17 Feb 2026 | Direct | ||
| Madeline Otero | BLD | Common Stock | Award | 58% | 369 | 1,005 | 17 Feb 2026 | Direct | ||
| Luis Francisco Machado | BLD | Common Stock | Award | 16.8% | 1,570 | 10,919 | 17 Feb 2026 | Direct | ||
| Joey M. Viselli | BLD | Common Stock | Award | 16.4% | 1,653 | 11,731 | 17 Feb 2026 | Direct | ||
| John Frank Achille | BLD | Common Stock | Award | 183.8% | 2,110 | 3,258 | 17 Feb 2026 | Direct | ||
| Robert M. Kuhns | BLD | Common Stock | Award | 19% | 2,707 | 16,990 | 17 Feb 2026 | Direct | ||
| Robert M. Buck | BLD | Common Stock | Award | 17% | 10,734 | 73,959 | 17 Feb 2026 | Direct | ||
| Robert M. Buck | BLD | Common Stock | Sale | -7.33% | $2,266,950 | $453.39 | -5,000 | 63,225 | 11 Dec 2025 | Direct |
| Nancy M. Taylor | BLD | Common Stock | Gift | -1.15% | -71 | 6,088 | 04 Dec 2025 | Direct | ||
| Luis F. Machado | BLD | Common Stock | Sale | -9.66% | $450,400 | $450.40 | -1,000 | 9,349 | 26 Nov 2025 | Direct |
| Ernesto Bautista III | BLD | Common Stock | Sale | -5.11% | $56,199 | $432.30 | -130 | 2,415 | 24 Nov 2025 | Direct |
| Robert M. Buck | BLD | Common Stock | Sale | -6.83% | $2,090,050 | $418.01 | -5,000 | 68,225 | 07 Nov 2025 | Direct |
| Tina Donikowski | BLD | Common Stock | Gift | -11% | -465 | 3,780 | 02 Sep 2025 | Direct | ||
| Tina Donikowski | BLD | Common Stock | Sale | -8.02% | $158,319 | $427.89 | -370 | 4,245 | 27 Aug 2025 | Direct |
| Jennifer Shoffner | BLD | Employee Stock Option (right to buy) | Options Exercise | 1,473 | 0 | 22 Aug 2025 | Direct | |||
| Robert M. Kuhns | BLD | Common Stock | Sale | -8.64% | $590,584 | $437.47 | -1,350 | 14,283 | 22 Aug 2025 | Direct |
| Joey M. Viselli | BLD | Common Stock | Sale | -4.43% | $194,010 | $415.44 | -467 | 10,078 | 12 Aug 2025 | Direct |