In Q1 fiscal 2026 (the quarter ended March 31, 2026), TopBuild's largest business segment was Installation, with $777.33 million or 54% of revenue, up 4.3% from a year earlier. Next: Specialty Distribution (46%).
By product or service, Insulation and accessories brought in 78%, Roofing Materials brought in 8% and All other brought in 6% of revenue in Q1 fiscal 2026.
By customer type, Commercial and Industrial brought in 51% and Residential brought in 49% of revenue in Q1 fiscal 2026.
The fastest-growing business segment from a year earlier was Specialty Distribution (+37.1%).
From company filings, in USD; latest quarter ended March 31, 2026; quarterly data from Q3 fiscal 2017.

Fiscal quarters, from company filings
| Business segment | Q1 FY26 | Q3 FY25 | Q2 FY25 | Q1 FY25 | Share |
|---|---|---|---|---|---|
| Installation | $777.3M | $858.3M | $780.7M | $745.5M | 54% |
| Specialty Distribution | $668.5M | $534.9M | $516.7M | $487.7M | 46% |
In USD, fiscal quarters as reported; share = part of Q1 FY26 revenue.
| Product or service | Q1 FY26 | Q3 FY25 | Q2 FY25 | Q1 FY25 | Share |
|---|---|---|---|---|---|
| Insulation and accessories | $1.1B | $1.1B | $1.1B | $1.0B | 78% |
| Roofing Materials | $120.1M | $91.5M | – | – | 8% |
| All other | $80.1M | $52.9M | $82.8M | $79.5M | 6% |
| Gutters | $64.9M | $82.6M | $76.4M | $61.3M | 4% |
| Glass and windows | $51.2M | $59.1M | $61.0M | $59.5M | 4% |
In USD, fiscal quarters as reported; share = part of Q1 FY26 revenue.
| Customer type | Q1 FY26 | Q3 FY25 | Q2 FY25 | Q1 FY25 | Share |
|---|---|---|---|---|---|
| Commercial and Industrial | $736.8M | $589.0M | $487.9M | $463.5M | 51% |
| Residential | $709.1M | $804.1M | $809.5M | $769.8M | 49% |
In USD, fiscal quarters as reported; share = part of Q1 FY26 revenue.
Installation and Specialty Distribution (as reported for Q1 fiscal 2026).
Installation: $777.33 million, or 54% of revenue, in Q1 fiscal 2026.
By revenue in Q1 fiscal 2026: Insulation and accessories (78%), Roofing Materials (8%), All other (6%) and Gutters (4%).
Click a bar to see that period below. Striped bars are calculated fourth quarters; an empty slot means it could not be calculated on the same basis i
Fiscal quarter ended Mar 31, 2026
| Item | Revenue | Share |
|---|---|---|
| Installation | USD 777.33M | 53.8% |
| Specialty Distribution | USD 668.53M | 46.2% |
Sum of items USD 1.45B. Shares are of the items shown. Click an item with › to see its parts.
Every item and period in one grid. Purple = calculated; "–" = not available.
| Item | Q1 FY26 | Q4 FY25 | Q3 FY25 | Q2 FY25 | Q1 FY25 | Q4 FY24 | Q3 FY24 | Q2 FY24 | Q1 FY24 | Q4 FY23 | Q3 FY23 | Q2 FY23 | Q1 FY23 | Q4 FY22 | Q3 FY22 | Q2 FY22 | Q1 FY22 | Q4 FY21 | Q3 FY21 | Q2 FY21 | Q1 FY21 | Q4 FY20 | Q3 FY20 | Q2 FY20 | Q1 FY20 | Q4 FY19 | Q3 FY19 | Q2 FY19 | Q1 FY19 | Q4 FY18 | Q3 FY18 | Q2 FY18 | Q1 FY18 | Q4 FY17 | Q3 FY17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Installation | 777.3M | 798.4M | 858.3M | 780.7M | 745.5M | 788.6M | 856.4M | 851.0M | 798.7M | – | 821.7M | 809.1M | 767.1M | – | 783.1M | 749.0M | 676.7M | 627.1M | 612.9M | 605.6M | 532.8M | 508.8M | 492.2M | 466.6M | 475.9M | 475.9M | 498.4M | 483.0M | 449.4M | – | 464.5M | 429.4M | 329.4M | – | 333.2M |
| Specialty Distribution | 668.5M | 686.9M | 534.9M | 516.7M | 487.7M | 523.7M | 516.9M | 514.6M | 480.0M | – | 571.0M | 574.5M | 558.4M | – | 583.5M | 587.8M | 543.9M | 485.8M | 276.4M | 273.4M | 251.6M | 251.5M | 244.1M | 216.3M | 214.2M | 223.2M | 220.9M | 213.5M | 204.5M | – | 212.9M | 205.6M | 187.8M | – | 181.1M |