Mustard Seed Investor logo: a sprouting mustard seedMustard Seed Investor
← All stocks
NXMaterialsCommon Stock

Quanex Building Products CORP

Held by 7 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 747619104 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

Download report
In plain English: 7 of the investors we track own this stock. In the latest quarter, 5 of them bought more of it and 3 sold some or all of theirs. That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
7
-1 vs last quarter (like-for-like)
Total value held
$52.78M
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.0%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
+$3.27M
+6.6% vs last quarter
Net shares bought
+79.2K
Est. net flow +$1.48M
Quarter activity
5 bought · 3 sold
0 new · 1 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns NX?

🔒 The 'who added and who trimmed' chart is a Plus feature

You're viewing the Free plan. Upgrade to unlock The 'who added and who trimmed' chart — every paid plan starts with a 7-day free trial, and you can cancel in two clicks.

See plans & upgrade Sign in

Who owns NX? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↓ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
1 LSV Asset Management LSV Asset Management 922.65K $17.18M 0.0% Added +128.3K +16.2% +$2.39M
2 Jim Simons Renaissance Technologies 618.71K $11.52M 0.0% Reduced -152.0K -19.7% -$2.83M
3 Matthew McLennan First Eagle Investment Management 474.21K $8.83M 0.0% Reduced -9.5K -2.0% -$177.50K
4 Chuck Royce Royce & Associates 439.36K $8.18M 0.1% Added +97.4K +28.5% +$1.81M
5 Bridgeway Bridgeway Capital Management 301.62K $5.62M 0.1% Added +9.7K +3.3% +$180.20K
6 Ken Fisher Fisher Asset Management 39.95K $743.82K 0.0% Added +1 +0.0% +$19
7 Ken Griffin Citadel Advisors 38.00K $707.52K 0.0% Added +5.5K +16.9% +$102.52K

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Manager Fund Shares sold Value last quarter ↓
Barrow Hanley Barrow Hanley Mewhinney & Strauss -62 $1.11K

Politician trades

Politician trades in NX

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

No politician trades match these filters.