Who owns Quanex Building Products Corporation?
Institutional ownership of NX from SEC Form 13F filings across 127 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
127
13F holders
$606.6M
value, 2026 filers
71.6%
of shares outstanding (32.9M sh)
14
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of NX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 7.3M | $136.1M | 0.0% | 15.9% | +1.2% |
| 2 | AMERIPRISE FINANCIAL INC | 2.7M | $50.9M | 0.0% | 6% | +1.4% |
| 3 | Allspring Global Investments Holdings, LLC | 2.4M | $42.9M | 0.1% | 5.2% | -12.0% |
| 4 | TPG GP A, LLC | 2.1M | $38.3M | 0.8% | 4.5% | 0.0% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2.0M | $37.6M | 0.0% | 4.4% | -49.9% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.0M | $36.4M | 0.0% | 4.3% | +3.6% |
| 7 | AMERICAN CENTURY COMPANIES INC | 1.7M | $31.3M | 0.0% | 3.7% | +140.5% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $22.2M | 0.0% | 2.6% | +8.2% |
| 9 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1.0M | $18.6M | 0.0% | 2.2% | 0.0% |
| 10 | NOMURA HOLDINGS INC | 967,337 | $18.0M | 0.0% | 2.1% | -6.6% |
| 11 | Sixth Street Partners Management Company, L.P.NEW | 849,536 | $15.8M | 2.7% | 1.8% | new |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 849,536 | $15.8M | 0.0% | 1.8% | -9.7% |
| 13 | Russell Investments Group, Ltd. | 541,534 | $10.1M | 0.0% | 1.2% | -0.8% |
| 14 | MORGAN STANLEY | 522,902 | $9.7M | 0.0% | 1.1% | +3.0% |
| 15 | BANK OF AMERICA CORP /DE/ | 510,246 | $9.5M | 0.0% | 1.1% | -10.0% |
| 16 | NORTHERN TRUST CORP | 471,559 | $8.8M | 0.0% | 1% | +6.9% |
| 17 | Invesco Ltd. | 410,928 | $7.7M | 0.0% | 0.9% | +1.5% |
| 18 | CRAMER ROSENTHAL MCGLYNN LLCNEW | 345,889 | $6.4M | 0.3% | 0.8% | new |
| 19 | Public Sector Pension Investment Board | 312,504 | $5.8M | 0.0% | 0.7% | +41.0% |
| 20 | PRINCIPAL FINANCIAL GROUP INC | 312,167 | $5.8M | 0.0% | 0.7% | +1.3% |
| 21 | VANGUARD FIDUCIARY TRUST CO | 303,319 | $5.6M | 0.0% | 0.7% | +1.2% |
| 22 | SEI INVESTMENTS CO | 269,825 | $5.0M | 0.0% | 0.6% | -31.0% |
| 23 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 268,671 | $5.0M | 0.0% | 0.6% | -54.7% |
| 24 | Bank of New York Mellon Corp | 266,752 | $5.0M | 0.0% | 0.6% | +1.2% |
| 25 | CIBC Bancorp USA Inc. | 242,626 | $4.5M | 0.0% | 0.5% | +0.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.