Who owns Quanex Building Products CORP, from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
Vanguard Capital Management: 5.1% · 2,351,909 shares
Allspring Global Investments Holdings, LLC: 5.9% · 2,707,658 shares
4 more 5% stakes behind a free account
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Sign up freeEvery institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of Quanex Building Products CORP they hold. Together these 255 managers report 121.19% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. | $136M | 7,308,772 | 0.00% | 15.95% | June 30, 2026 |
| VANGUARD GROUP INC | $63.1M | 4,103,242 | 0.00% | 8.95% | December 31, 2025 |
253 more institutional holders behind a free account
See every manager reporting Quanex Building Products CORP, how much of the company they hold, and how big the position is inside their own portfolio.
Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 244 funds hold 44.58% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | $51M | 0.05% | 5.98% | June 30, 2026 |
| Allspring Special Small Cap Value Fund | $31.3M | 1.06% | 3.67% | June 30, 2026 |
242 more funds behind a free account
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