Winmill & Co. Inc Portfolio Stock Holdings
According to the SEC 13F filed on August 13, 2026, Winmill & Co. Inc disclosed 55 stock positions valued at approximately $451.65M as of quarter-end June 30, 2026. The largest holdings include Lam Research Corporation, Steel Dynamics, Inc., and Alphabet, Inc..
- Report Period
- June 30, 2026
- No. of Stocks
- 55
- Portfolio Value
- $451.65M
Holdings by Sector
Winmill & Co. Inc Portfolio Holdings in Q2 2026
| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| Lam Research Corporation | LRCX | Other | 10.46% | 109,000 | - | - | $47,232,970 |
| Steel Dynamics, Inc. | STLD | Basic Materials | 8.57% | 168,747 | - | - | $38,720,687 |
| Alphabet, Inc. | GOOGL | Communication Services | 8.55% | 108,100 | - | - | $38,631,697 |
| Interactive Brokers Group, Inc. | IBKR | Financial Services | 6.31% | 327,200 | - | - | $28,479,488 |
| Williams-Sonoma, Inc. | WSM | Consumer Cyclical | 5.73% | 111,000 | +110,006 | +11067.00% | $25,874,100 |
| Mueller Industries, Inc. | MLI | Industrials | 4.61% | 169,280 | - | - | $20,809,590 |
| IAMGOLD Corporation | IAG | Basic Materials | 4.17% | 1,190,000 | - | - | $18,849,600 |
| United Rentals, Inc. | URI | Industrials | 3.87% | 15,409 | -15,061 | -49.43% | $17,456,702 |
| Progressive Corporation (The) | PGR | Financial Services | 3.86% | 79,765 | +77,765 | +3888.25% | $17,424,665 |
| NMI Holdings, Inc. | NMIH | Financial Services | 3.60% | 396,095 | - | - | $16,275,543 |
| Clear Secure, Inc. | YOU | Technology | 3.57% | 289,135 | - | - | $16,113,493 |
| Microsoft Corporation | MSFT | Technology | 3.29% | 39,775 | +39,000 | +5032.26% | $14,836,871 |
| Essent Group Ltd. | ESNT | Financial Services | 3.05% | 214,500 | - | - | $13,788,060 |
| LPL Financial Holdings, Inc. | LPLA | Financial Services | 2.90% | 46,500 | - | - | $13,098,120 |
| Qualys, Inc. | QLYS | Technology | 2.70% | 88,641 | - | - | $12,187,251 |
| Dillard's, Inc. | DDS | Consumer Cyclical | 2.52% | 21,538 | -21,042 | -49.42% | $11,381,110 |
| Nutex Health, Inc. | NUTX | Other | 2.47% | 65,350 | - | - | $11,167,662 |
| Ameriprise Financial, Inc. | AMP | Financial Services | 2.23% | 21,990 | +21,990 | +100.00% | $10,088,132 |
| Duolingo, Inc. | DUOL | Technology | 2.20% | 86,552 | +86,552 | +100.00% | $9,955,211 |
| White Mountains Insurance Group Ltd. | WTM | Financial Services | 2.20% | 4,800 | +4,800 | +100.00% | $9,952,272 |
| NVR, Inc. | NVR | Consumer Cyclical | 1.60% | 1,062 | +1,028 | +3023.53% | $7,235,831 |
| GoDaddy, Inc. | GDDY | Technology | 1.54% | 82,200 | +82,200 | +100.00% | $6,977,136 |
| Alarm.com Holdings, Inc. | ALRM | Technology | 1.30% | 126,100 | - | - | $5,891,392 |
| UnitedHealth Group, Inc. | UNH | Healthcare | 1.24% | 13,500 | - | - | $5,611,005 |
| Mastercard, Inc. | MA | Financial Services | 1.14% | 10,000 | - | - | $5,136,000 |
| GLOBAL SELF STORAGE INC. | SELF | Real Estate | 0.68% | 586,500 | -303,758 | -34.12% | $3,073,260 |
| SSR Mining, Inc. | SSRM | Basic Materials | 0.59% | 95,000 | - | - | $2,686,600 |
| JPMorgan Chase & Company | JPM | Financial Services | 0.49% | 6,800 | - | - | $2,225,844 |
| Aura Minerals, Inc. | AUGO | Other | 0.49% | 35,000 | - | - | $2,203,250 |
| Wheaton Precious Metals Corporation | WPM | Basic Materials | 0.42% | 16,700 | - | - | $1,875,744 |
Showing 30 of 55 holdings in the latest reporting period.