Who owns SUPERIOR INDUSTRIES INTERNATIONAL INC, 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.
SUP Parent Holdings, LLC: 0.0% · 0 shares — Opps SI Holdings, LLC: 0.0% · 0 shares — Opps XII SPR Holdings, L.P.: 0.0% · 0 shares
RIVA RIDGE CAPITAL MANAGEMENT LP: 4.2% · 1,575,000 shares — RIVA RIDGE MASTER FUND, LTD.: 4.2% · 1,575,000 shares — RIVA RIDGE GP LLC: 4.2% · 1,575,000 shares
Every 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 SUPERIOR INDUSTRIES INTERNATIONAL INC they hold. Together these 46 managers report 24.72% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| Mill Road Capital Management LLC | $9.33M | 4,380,940 | 5.29% | 11.75% | March 31, 2025 |
| VANGUARD GROUP INC | $2.7M | 1,266,475 | 0.00% | 3.40% | March 31, 2025 |
44 more institutional holders behind a free account
See every manager reporting SUPERIOR INDUSTRIES INTERNATIONAL INC, 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 5 funds hold 0.76% 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 |
|---|---|---|---|---|
| Cliffwater Corporate Lending Fund | $12.4K | 0.00% | 0.37% | December 31, 2025 |
| Gabelli Equity Trust Inc | $8.63K | 0.00% | 0.26% | September 30, 2025 |
3 more funds behind a free account
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