Quanex Building Products Corporation (NX)
NYSE: NX · Rolling Drawing & Extruding of Nonferrous Metals · Houston, TX · filing with the SEC since 2008
Grade4.8
◀ Past 4.7● Present 4.3▶ Future 5.7
Who owns Quanex Building Products Corporation
As filed with the SECHolders of 5% or more
3
Teleios Capital Partners GmbH holds 8.78% of Common Stock, par value $0.01 per share (the "Shares"), as its SCHEDULE 13D/A filed Oct 26, 2026 says.
Directors and officers
14
report now, of 25 people on the record since 2008. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Teleios Capital Partners GmbH
SCHEDULE 13D/A · filed Oct 26, 2026 · Common Stock, par value $0.01 per share (the "Shares") · 10.1% in Jun 18, 2025
Ameriprise Financial, Inc.
SCHEDULE 13G · filed Feb 17, 2026 · Common Stock
Vanguard Capital Management
SCHEDULE 13G · filed Apr 30, 2026 · Common Stock
Allspring Global Investments Holdings, LLC
SCHEDULE 13G/A · filed Oct 7, 2026 · Common Stock SH · reported falling below 5%, from 5.9% in Apr 14, 2026
Dimensional Fund Advisors LP
SCHEDULE 13G/A · filed Apr 15, 2025 · Common Stock · reported falling below 5%
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 8.98% in Jan 30, 2026
What NX reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Tyman
A company bought · acquisition · Jul 2024 · owns, named in the 10-K filed Dec 12, 2025
LMI Custom Mixing, LLC
A company bought · acquisition · Oct 2022 · owns, named in the 10-K filed Dec 12, 2025
43 subsidiaries in 13 countries, from the list filed with the 10-K filed Dec 12, 2025.
Insider tradesForm 4
1sales
0purchases
1sales on a scheduled plan
1people selling
$100,000sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 3, 2025 to Nov 3, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 3, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window2 of 28 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Teleios Global Opportunities Master Fund, Ltd. | 10% owner | 2 | $3.2M | 0 | 0 | $0 |
| Cornett Paul | SVP General Counsel, Secretary | 1 | $100,000 | 1 | 0 | $0 |