Quanex Building Products CORP
NX- Exchange
- NYSE
- Industry
- Rolling Drawing & Extruding of Nonferrous Metals
- SEC CIK
- 0001423221
No open-market purchases or sales by Quanex Building Products CORP insiders were filed in the last 90 days; 180 institutions reported holding it in 13F filings for Q2 2026, worth $862.8M in total; no superinvestor holds it.
Holders of 5% or more of NX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Quanex Building Products CORP, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Teleios Capital Partners GmbH | 13D/A | 10.10%4.62M shares | – | Jun 18, 20251 filing | Jun 18, 2025 | SEC |
| Ameriprise Financial Inc | 13G | 5.40%2.45M shares | New | Feb 17, 20261 filing | Feb 17, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
4 Schedule 13D and 13G filings on Quanex Building Products CORP, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 27, 202611:33 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 17, 202610:31 AM ET | Ameriprise Financial Inc | 13G | 5.40%2.45M shares | New | Dec 31, 2025 | SEC |
| Jun 18, 202510:27 AM ET | Teleios Capital Partners GmbHand 2 others | 13D/A | 10.10%4.62M shares | – | Jun 18, 2025 | SEC |
| Apr 15, 202512:18 PM ET | Dimensional Fund Advisors LP | 13G/A | 4.20%2.01M shares | –Below 5% | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Quanex Building Products CORP shares.
No Form 144 notices for Quanex Building Products CORP are on file.