Quanex Building Products Corporation (NX) Ownership
NX ownership summary
as of October 18, 2026- Institutions
- 117.3% of shares outstanding
- Insiders
- 1.26% of shares outstanding
- Shares outstanding
- 45.8M
- Float
- 39.3M shares available to trade
- Short interest
- 8.79% 2.9M shares short
- Days to cover
- 5.49 short interest down 7.1% vs prior month
- Institutions 117.29%
- Insiders 1.26%
NX top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 15.95% | 7.3M | $138.1M | +86,891 (+1.2%) | June 30, 2026 |
| 2 | Ameriprise Financial Inc | 5.97% | 2.7M | $51.7M | +37,362 (+1.4%) | June 30, 2026 |
| 3 | Allspring Global Investments Holdings, LLC | 5.20% | 2.4M | $45.0M | −324,105 (−12.0%) | June 30, 2026 |
| 4 | TPG GP A, LLC | 4.48% | 2.1M | $38.8M | — | June 30, 2026 |
| 5 | Dimensional Fund Advisors, Inc. | 4.46% | 2.0M | $38.6M | +302,954 (+17.4%) | June 30, 2026 |
| 6 | Vanguard Capital Management, LLC | 4.41% | 2.0M | $38.2M | +5,795 (+0.3%) | June 30, 2026 |
| 7 | Vanguard Portfolio Management, LLC | 4.27% | 2.0M | $37.0M | +67,824 (+3.6%) | June 30, 2026 |
| 8 | Systematic Financial Management LP | 3.96% | 1.8M | $34.3M | +39,024 (+2.2%) | June 30, 2026 |
| 9 | State Street Corp | 3.93% | 1.8M | $34.0M | +45,948 (+2.6%) | June 30, 2026 |
| 10 | DePrince Race & Zollo Inc | 3.84% | 1.8M | $33.2M | −61,798 (−3.4%) | September 30, 2026 |
| 11 | American Century Companies Inc | 3.67% | 1.7M | $31.8M | +982,169 (+140.5%) | June 30, 2026 |
| 12 | Segall Bryant & Hamill | 2.88% | 1.3M | $24.9M | +92,654 (+7.5%) | June 30, 2026 |
| 13 | Geode Capital Management, LLC | 2.60% | 1.2M | $22.5M | +90,278 (+8.2%) | June 30, 2026 |
| 14 | IES Holdings Inc | 2.36% | 1.1M | $20.4M | +218,434 (+25.4%) | June 30, 2026 |
| 15 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 2.18% | 1.0M | $18.9M | — | June 30, 2026 |
| 16 | Nomura Holdings Inc | 2.11% | 967K | $18.3M | −68,602 (−6.6%) | June 30, 2026 |
| 17 | Arnhold & S. Bleichroeder Advisers, LLC | 2.07% | 948K | $17.9M | +464,678 (+96.1%) | June 30, 2026 |
| 18 | LSV Asset Management | 2.01% | 923K | $17.4M | +128,300 (+16.2%) | June 30, 2026 |
| 19 | Charles Schwab Investment Management Inc | 1.85% | 850K | $16.0M | −91,472 (−9.7%) | June 30, 2026 |
| 20 | Renaissance Technologies Corp | 1.35% | 619K | $11.7M | −152,048 (−19.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 2.6M shares and 5 cut 698K.
NX top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.91% | 2.7M | $51.1M | +693 (+0.0%) | September 30, 2026 |
| 2 | Avantis US Small Cap Value ETF | 3.96% | 1.8M | $34.3M | +6,240 (+0.3%) | September 30, 2026 |
| 3 | CT (Lux) American Smaller Com 9U USD | 3.43% | 1.6M | $29.7M | +33,588 (+2.2%) | August 31, 2026 |
| 4 | Vanguard MStar Total Stk Mkt Idx Invest | 3.16% | 1.4M | $27.4M | — | August 31, 2026 |
| 5 | Allspring Special Small Cap Value A | 3.01% | 1.4M | $26.0M | −114,770 (−7.7%) | September 30, 2026 |
| 6 | iShares Russell 2000 ETF | 2.61% | 1.2M | $22.6M | −13,760 (−1.1%) | September 30, 2026 |
| 7 | CT American Smaller Coms(US) InstAccGBP | 2.06% | 945K | $17.8M | +15,889 (+1.7%) | August 31, 2026 |
| 8 | DFA US Small Cap Value I | 1.31% | 600K | $11.3M | +28,912 (+5.1%) | August 31, 2026 |
| 9 | Vanguard Small Cap Index | 1.13% | 517K | $9.8M | −11,030 (−2.1%) | September 30, 2026 |
| 10 | Fidelity Small Cap Index | 1.11% | 510K | $9.6M | +5,369 (+1.1%) | July 31, 2026 |
| 11 | American Beacon Small Cp Val R5 | 0.95% | 436K | $8.2M | −2,760 (−0.6%) | August 31, 2026 |
| 12 | iShares Russell 2000 Value ETF | 0.94% | 431K | $8.1M | +654 (+0.2%) | September 30, 2026 |
| 13 | Brighthouse Small Cap Value A | 0.92% | 421K | $8.0M | −4,525 (−1.1%) | June 30, 2026 |
| 14 | State Street SPDR Port S&P 600 Sm CpETF | 0.92% | 420K | $7.9M | — | September 30, 2026 |
| 15 | First Eagle Small Cap Opportunity I | 0.90% | 414K | $7.8M | +2,083 (+0.5%) | September 30, 2026 |
| 16 | iShares S&P Small-Cap 600 Value ETF | 0.84% | 385K | $7.3M | — | September 30, 2026 |
| 17 | Vanguard Tax-Managed Small Cap Adm | 0.76% | 350K | $6.6M | — | September 30, 2026 |
| 18 | Vanguard MStar Small Cap Value Index | 0.73% | 336K | $6.4M | +623 (+0.2%) | September 30, 2026 |
| 19 | DFA US Targeted Value I | 0.66% | 301K | $5.7M | +11,202 (+3.9%) | August 31, 2026 |
| 20 | Schwab Fundamental U.S. Small CompanyETF | 0.59% | 272K | $5.1M | +385 (+0.1%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
NX insider transactions
latest 3| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-17 | Teleios Capital Partners Gmbh | Sell | $15.94 | 119,485 | $1.9M |
| 2025-12-16 | Teleios Capital Partners Gmbh | Sell | $16.51 | 80,515 | $1.3M |
| 2025-09-11 | Bradley E Hughes | Buy | $15.27 | 6,500 | $99,255 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
NX shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns NX
Institutional investors own 117.3% of Quanex Building Products's shares and insiders 1.26%. The largest holder is BlackRock Inc with 15.95% of the shares (7.3M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 5 reduced their stake in the latest filings. Short interest is 8.79% of the float, or 5.49 days of average trading volume. The share count rose 30.0% since 2014.
Related: NX analyst forecast, NX key metrics, NX dividend history. See the NX stock overview for the latest quote and news.
NX ownership FAQ
Who owns the most Quanex Building Products stock?
The largest shareholders of Quanex Building Products are BlackRock Inc (15.95%), Ameriprise Financial Inc (5.97%), Allspring Global Investments Holdings, LLC (5.20%), TPG GP A, LLC (4.48%), Dimensional Fund Advisors, Inc. (4.46%).
What percentage of Quanex Building Products is owned by institutions?
Institutions hold 117.3% of Quanex Building Products's shares outstanding; insiders hold 1.26%.
Which funds own Quanex Building Products?
The largest fund holders of Quanex Building Products are iShares Core S&P Small-Cap ETF (5.91%), Avantis US Small Cap Value ETF (3.96%), CT (Lux) American Smaller Com 9U USD (3.43%), Vanguard MStar Total Stk Mkt Idx Invest (3.16%), Allspring Special Small Cap Value A (3.01%).
What is Quanex Building Products's short interest?
2.9M shares of Quanex Building Products were sold short, 8.79% of the float; at the average daily volume it would take 5.49 days to cover.
Are insiders buying or selling Quanex Building Products?
Of the latest 3 reported insider transactions in Quanex Building Products (since September 11, 2025), 1 were purchases and 2 were sales.
How many shares of Quanex Building Products are outstanding?
Quanex Building Products has 45.8M shares outstanding, of which 39.3M are in the public float.