# BUILDERS FIRSTSOURCE INC COM

BUILDERS FIRSTSOURCE INC COM is a security (CUSIP 12008R107) tracked across SEC portfolio filings. 727 institutional managers reported $8.9B on Form 13F as of 2026-06-30; 54 registered fund positions totaling $803.2M via N-PORT as of 2026-05-31.

## Summary

- Issuer: BUILDERS FIRSTSOURCE INC
- Class: COM
- CUSIP: 12008R107
- Asset category: EC
- 13F holders: 727
- 13F value: $8.9B
- 13F period: 2026-06-30
- N-PORT fund positions: 54
- N-PORT value: $803.2M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 727 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $1.3B | 12,377,575 |
| BlackRock, Inc. | New York, NY | $721.3M | 8,761,277 |
| STATE STREET CORP | BOSTON, MA | $421.5M | 5,120,090 |
| Pictet Asset Management Holding SA | CAROUGE, V8 | $340.1M | 3,801,076 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $302.9M | 3,679,457 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $244.3M | 2,967,744 |
| Capital International Investors | Los Angeles, CA | $242.3M | 2,943,131 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $236.6M | 2,884,519 |
| [SANDS CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/137610) | ARLINGTON, VA | $215.8M | 2,621,085 |
| [Brave Warrior Advisors, LLC](https://search.stillhousedata.com/firm/108894) | New York, NY | $195.3M | 2,372,292 |
| [Coliseum Capital Management, LLC](https://search.stillhousedata.com/firm/158120) | Rowayton, CT | $172.3M | 2,093,218 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $141.3M | 1,716,804 |
| [Focus Partners Wealth](https://search.stillhousedata.com/firm/159289) | ST LOUIS, MO | $136.9M | 1,663,200 |
| [Diamond Hill Capital Management, LLC (Investment Advisor)](https://search.stillhousedata.com/firm/110638) | COLUMBUS, OH | $134.9M | 1,507,684 |
| MORGAN STANLEY | NEW YORK, NY | $116.4M | 1,413,231 |

## Top fund holders (N-PORT)

_Showing 15 of 54 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD WINDSOR FUND](https://search.stillhousedata.com/fund/S000004417) | VANGUARD WINDSOR FUNDS | $154.6M | 63.75% |
| [Invesco S&P 500 Equal Weight ETF](https://search.stillhousedata.com/fund/S000060812) | Invesco Exchange-Traded Fund Trust | $146.5M | 16.68% |
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | State Street(R) SPDR(R) S&P 500(R) ETF Trust | $107.4M | 1.65% |
| [American Funds Fundamental Investors](https://search.stillhousedata.com/fund/S000009227) | American Funds Fundamental Investors | $106.9M | 6.95% |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $86.4M | 10.66% |
| [Growth Fund of America](https://search.stillhousedata.com/fund/S000009228) | Growth Fund of America | $57.9M | 1.60% |
| [MFS Mid Cap Value Fund](https://search.stillhousedata.com/fund/S000002499) | MFS SERIES TRUST XI | $48.5M | 30.32% |
| [Old Westbury Large Cap Strategies Fund](https://search.stillhousedata.com/fund/S000001858) | Old Westbury Funds Inc | $26.5M | 10.57% |
| [GoodHaven Fund](https://search.stillhousedata.com/fund/S000053207) | GoodHaven Funds Trust | $11.3M | 442.21% |
| [Heartland Value Plus Fund](https://search.stillhousedata.com/fund/S000003524) | HEARTLAND GROUP INC. | $8.2M | 280.32% |
| [Evercore Equity Fund](https://search.stillhousedata.com/fund/S000046713) | Wall Street EWM Funds Trust | $7.7M | 162.64% |
| [Thrivent Small-Mid Cap Equity ETF](https://search.stillhousedata.com/fund/S000075337) | Thrivent ETF Trust | $6.3M | 72.70% |
| [Large Cap Index Master Portfolio](https://search.stillhousedata.com/fund/S000033023) | Master Investment Portfolio | $5.4M | 1.48% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $4.9M | 0.83% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $4.1M | 1.37% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/12008R107.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.