Quanex Building Products
Ownership
Ownership Structure
Who owns Quanex Building Products (NX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 85.8% of the shares are freely tradable; institutional investors hold 116.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.95 | 7,308,772 | +1.2 | 06/30/2026 |
| Ameriprise Financial Inc | 5.97 | 2,735,839 | +1.4 | 06/30/2026 |
| Allspring Global Investments Holdings, LLC | 5.20 | 2,383,553 | -12.0 | 06/30/2026 |
| TPG GP A, LLC | 4.48 | 2,054,770 | +0.0 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 4.46 | 2,044,567 | +17.4 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.41 | 2,020,981 | +0.3 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 4.27 | 1,956,415 | +3.6 | 06/30/2026 |
| Systematic Financial Management LP | 3.96 | 1,815,276 | +2.2 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.91 | 2,706,575 | +0.0 | 09/30/2026 |
| Avantis US Small Cap Value ETF | 3.96 | 1,815,165 | +0.3 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: October 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.