# BUILDERS FIRSTSOURCE INC (BLDR) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 12008R107
Page URL: https://superinvestorclub.com/stock/BLDR
Last updated: 2026-08-29T13:46:10.724Z

## Summary

As of the most recent 13F filing period, BUILDERS FIRSTSOURCE INC (BLDR) is held by 8 tracked superinvestors with an aggregate position value of $421.9M representing 02340571163922255372291464512831959819115334 shares.

## Top institutional holders (8)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Glenn Greenberg](https://superinvestorclub.com/manager/36) | Brave Warrior Advisors | 2340571 | $209.4M | 4.56% | 2026-06-30 |
| 2 | [Dan Sundheim](https://superinvestorclub.com/manager/303) | D1 Capital Partners | 1639222 | $146.7M | 0.42% | 2026-06-30 |
| 3 | [Christopher Bloomstran](https://superinvestorclub.com/manager/32) | Semper Augustus Investments | 553722 | $49.5M | 5.60% | 2026-06-30 |
| 4 | [Francois Rochon](https://superinvestorclub.com/manager/45) | Giverny Capital | 91464 | $8.2M | 0.28% | 2026-06-30 |
| 5 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 51283 | $4.6M | 0.02% | 2026-06-30 |
| 6 | [Tweedy Browne](https://superinvestorclub.com/manager/18) | Tweedy Browne Company | 19598 | $1.8M | 0.13% | 2026-06-30 |
| 7 | [Bill Miller](https://superinvestorclub.com/manager/72) | Miller Value Partners | 19115 | $1.7M | 0.40% | 2026-06-30 |
| 8 | [First Eagle](https://superinvestorclub.com/manager/21222) | First Eagle Investment Management | 334 | $29,886 | 0.00% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2023-09-30: 1 holders, $239,021 aggregate, 01920 shares
- 2023-12-31: 1 holders, $320,525 aggregate, 01920 shares
- 2024-03-31: 3 holders, $28.0M aggregate, 012784247001920 shares
- 2024-06-30: 4 holders, $17.4M aggregate, 0896872938547001920 shares
- 2024-09-30: 3 holders, $1.6M aggregate, 0470019201870 shares
- 2024-12-31: 2 holders, $948,769 aggregate, 047001938 shares
- 2025-03-31: 5 holders, $203.5M aggregate, 012415782977588244547001940 shares
- 2025-06-30: 7 holders, $278.4M aggregate, 01827261262628119000873178506526191929 shares
- 2025-09-30: 4 holders, $233.2M aggregate, 0180538187096273243853 shares
- 2025-12-31: 3 holders, $254.4M aggregate, 02379145899843844 shares
- 2026-03-31: 6 holders, $223.9M aggregate, 02372292228210918131889340623844 shares
- 2026-06-30: 8 holders, $421.9M aggregate, 02340571163922255372291464512831959819115334 shares

## Recent congressional trades (6)

- 2025-08-13: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-05-28: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-05-19: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-04-23: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-03-12: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-02-19: Ro Khanna (Democrat-CA) sale $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "BUILDERS FIRSTSOURCE INC (BLDR) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/BLDR), aggregating SEC 13F, Form 4, and congressional disclosures."