Superior Industries International, Inc.
Superior Industries International, Inc. (SUP) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SUP · as of Jun 30, 2025
Ownership Breakdown
6
Institutional Holders
▼ 35 vs Q1
$26,945
Total Inst. Value
▼ $19.20M vs Q1
29.47M
Shares Outstanding
freeFloat 71.68%
203,071
13F Shares Held
▼ 8.83M vs Q1
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SUP largest shareholders · institutional ownership
Q2 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
GABELLI FUNDS LLC motor vehicle parts & accessories | 98.0K | 34.16% | 34.16% | $13.37M | Aug 13, 2025 | ▼ 2.0K |
GAMCO INVESTORS, INC. ET AL motor vehicle parts & accessories | 33.0K | 11.50% | 11.50% | $4.50M | Aug 13, 2025 | ▼ 14.0K |
XTX TOPCO LTD motor vehicle parts & accessories | 29.5K | 10.30% | 10.30% | $4.03M | Aug 12, 2025 | ▲ 4.1K |
SIMPLEX TRADING, LLC motor vehicle parts & accessories | 27.5K | 9.59% | 9.59% | $3.00M | Aug 5, 2025 | ▲ 7.0K |
INVESTORS RESEARCH CORP motor vehicle parts & accessories | 15.0K | 5.23% | 5.23% | $2.05M | Jul 7, 2025 | — held |
ADVISOR GROUP HOLDINGS, INC. motor vehicle parts & accessories | 20 | 0.01% | 0.01% | $2,000 | Sep 4, 2025 | — held |
VANGUARD GROUP INC motor vehicle parts & accessories | 0 | 0.00% | 0.00% | $0 | Aug 11, 2025 | EXIT |
STATE STREET CORP motor vehicle parts & accessories | 0 | 0.00% | 0.00% | $0 | Aug 14, 2025 | EXIT |
WELLS FARGO & COMPANY/MN motor vehicle parts & accessories | 0 | 0.00% | 0.00% | $0 | Aug 14, 2025 | EXIT |
GOLDMAN SACHS GROUP INC motor vehicle parts & accessories | 0 | 0.00% | 0.00% | $0 | Aug 14, 2025 | EXIT |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q2 2025 vs prior quarter
Q2 2025
2
Increased
+11.1K shares0
New Positions
first time holders2
Decreased
−16.0K shares33
Sold Out
fully exitedNet shares change (top 50)
4.9K
+11.1K / −16.0K
Net new holders
-33
0 new / 33 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SUP insider trading · insider activity
Source: SEC Form 4
18
Buy transactions
23
Sell transactions
0.78
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Dorah Michael EVP, Chief Operating Officer | Mar 30, 2025 | Tax Withhold | 11,522 | $2.16 | $24.9K | 156.2K | Form 4 ↗ |
Abulaban Majdi Chief Executive Officer | Mar 30, 2025 | Tax Withhold | 43,893 | $2.16 | $94.8K | 2.06M | Form 4 ↗ |
SHERBIN DAVID M Senior VP and General Counsel | Mar 2, 2025 | Tax Withhold | 4,241 | $1.71 | $7.3K | 11.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Superior Industries International, Inc. (SUP) is primarily owned by institutional investors, who hold approximately 0.7% of total shares outstanding. Company insiders own approximately 28.32%, while retail and public investors account for the remaining 70.99%.
The largest institutional shareholder of Superior Industries International, Inc. is GABELLI FUNDS LLC, holding approximately 98,000 shares — equal to 34.16% of outstanding shares — as of June 30, 2025.
A total of 6 institutional investors currently hold SUP stock, with a combined institutional value of approximately $26,945 as of the most recent 13F filing period.
Frequently asked questions
SUP ownershipSuperior Industries International, Inc. (SUP) is primarily owned by institutional investors, who hold approximately 0.7% of shares. The largest shareholder is GABELLI FUNDS LLC with a 34.16% stake. Company insiders hold 28.32%. Data sourced from SEC Form 13F as of June 30, 2025.