Quanex Building Products Corporation (NX) Institutional Ownership

Based on Q1 2026 13F filings, institutional ownership of Quanex Building Products Corporation stands at 99.2%, held across 188 reporting institutions.

BlackRock, Inc. is the largest reported institutional holder of NX, with approximately 7,221,881 shares worth $0.13B as of Q1 2026.

Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of NX, including RENAISSANCE TECHNOLOGIES LLC.

Our composite Smart Money Score for NX is 54 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.

42 institutions opened new positions in NX during Q1 2026, while 50 fully exited. 120 added to existing positions and 23 trimmed.

NX institutional ownership rose by 18.45 percentage points quarter-over-quarter, with a net change of -8 holders.

The top 10 institutions account for 59.7% of all reported 13F value in NX, and the top 25 account for 83.6%.

All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.