# 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: 2026-07-08T11:37:42.401Z

## Summary

As of the most recent 13F filing period, BUILDERS FIRSTSOURCE INC (BLDR) is held by 5 tracked superinvestors with an aggregate position value of $223.5M representing 0237229222821091813188934062 shares.

## Top institutional holders (5)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Glenn Greenberg](https://superinvestorclub.com/manager/36) | Brave Warrior Advisors | 2372292 | $195.3M | 4.83% | 2026-03-31 |
| 2 | [Christopher Bloomstran](https://superinvestorclub.com/manager/32) | Semper Augustus Investments | 228210 | $18.8M | 2.24% | 2026-03-31 |
| 3 | [Francois Rochon](https://superinvestorclub.com/manager/45) | Giverny Capital | 91813 | $7.6M | 0.28% | 2026-03-31 |
| 4 | [Bill Miller](https://superinvestorclub.com/manager/72) | Miller Value Partners | 18893 | $1.6M | 0.41% | 2026-03-31 |
| 5 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 4062 | $334,424 | 0.00% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-03-31: 2 holders, $27.6M aggregate, 01278424700 shares
- 2024-06-30: 3 holders, $17.1M aggregate, 089687293854700 shares
- 2024-09-30: 2 holders, $1.3M aggregate, 047001870 shares
- 2024-12-31: 1 holders, $671,771 aggregate, 04700 shares
- 2025-03-31: 4 holders, $203.2M aggregate, 01241578297758824454700 shares
- 2025-06-30: 6 holders, $278.2M aggregate, 0182726126262811900087317850652619 shares
- 2025-09-30: 3 holders, $232.8M aggregate, 018053818709627324 shares
- 2025-12-31: 2 holders, $254.0M aggregate, 0237914589984 shares
- 2026-03-31: 5 holders, $223.5M aggregate, 0237229222821091813188934062 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."