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WINMILL & CO. INC
Period ended Jun 30, 2026 · Latest filing Aug 13, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Jun 30, 2026: $451,652,565
More quarters will appear as history becomes available.
Top holdings
Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- Lam Research Corporation · COM NEW · 512807306 · shares: $47,232,970
- Alphabet, Inc. · CAP STK CL A · 02079K305 · shares: $38,631,697
- Steel Dynamics, Inc. · COM · 858119100 · shares: $38,526,334
- Interactive Brokers Group, Inc. · COM CL A · 45841N107 · shares: $28,479,488
- Williams-Sonoma, Inc. · COM · 969904101 · shares: $25,874,100
- Mueller Industries, Inc. · COM · 624756102 · shares: $20,809,590
- IAMGOLD Corporation · COM · 450913108 · shares: $18,849,600
- United Rentals, Inc. · COM · 911363109 · shares: $17,259,579
- Progressive Corporation (The) · COM · 743315103 · shares: $17,206,215
- NMI Holdings, Inc. · COM · 629209305 · shares: $16,275,543
Reported holdings
84 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| Lam Research Corporation | COM NEW | 512807306 | — | 97,000 shares | $42,033,010 |
| Steel Dynamics, Inc. | COM | 858119100 | — | 160,000 shares | $36,713,600 |
| Interactive Brokers Group, Inc. | COM CL A | 45841N107 | — | 304,000 shares | $26,460,160 |
| Alphabet, Inc. | CAP STK CL A | 02079K305 | — | 65,700 shares | $23,479,209 |
| Williams-Sonoma, Inc. | COM | 969904101 | — | 96,000 shares | $22,377,600 |
| Mueller Industries, Inc. | COM | 624756102 | — | 161,400 shares | $19,840,902 |
| IAMGOLD Corporation | COM | 450913108 | — | 1,040,000 shares | $16,473,600 |
| United Rentals, Inc. | COM | 911363109 | — | 14,500 shares | $16,426,905 |
| NMI Holdings, Inc. | COM | 629209305 | — | 379,226 shares | $15,582,396 |
| Progressive Corporation (The) | COM | 743315103 | — | 70,706 shares | $15,445,726 |
| Clear Secure, Inc. | COM CL A | 18467V109 | — | 275,054 shares | $15,328,759 |
| Alphabet, Inc. | CAP STK CL A | 02079K305 | — | 42,400 shares | $15,152,488 |
| LPL Financial Holdings, Inc. | COM | 50212V100 | — | 46,500 shares | $13,098,120 |
| Microsoft Corporation | COM | 594918104 | — | 34,500 shares | $12,869,190 |
| Essent Group Ltd. | COM | G3198U102 | — | 200,000 shares | $12,856,000 |
| Qualys, Inc. | COM | 74758T303 | — | 78,483 shares | $10,790,628 |
| Dillard's, Inc. | CL A | 254067101 | — | 20,300 shares | $10,726,926 |
| Nutex Health, Inc. | COM | 67079U306 | — | 62,000 shares | $10,595,180 |
| White Mountains Insurance Group Ltd. | COM | G9618E107 | — | 4,800 shares | $9,952,272 |
| Ameriprise Financial, Inc. | COM | 03076C106 | — | 20,900 shares | $9,588,084 |
| Duolingo, Inc. | CL A COM | 26603R106 | — | 77,509 shares | $8,915,085 |
| NVR, Inc. | COM | 62944T105 | — | 1,045 shares | $7,120,003 |
| GoDaddy, Inc. | CL A | 380237107 | — | 78,000 shares | $6,620,640 |
| UnitedHealth Group, Inc. | COM | 91324P102 | — | 13,500 shares | $5,611,005 |
| Alarm.com Holdings, Inc. | COM | 011642105 | — | 119,500 shares | $5,583,040 |
| Lam Research Corporation | COM NEW | 512807306 | — | 12,000 shares | $5,199,960 |
| Mastercard, Inc. | CL A | 57636Q104 | — | 10,000 shares | $5,136,000 |
| Williams-Sonoma, Inc. | COM | 969904101 | — | 15,000 shares | $3,496,500 |
| SSR Mining, Inc. | COM | 784730103 | — | 95,000 shares | $2,686,600 |
| IAMGOLD Corporation | COM | 450913108 | — | 150,000 shares | $2,376,000 |
| JPMorgan Chase & Company | COM | 46625H100 | — | 6,800 shares | $2,225,844 |
| Aura Minerals, Inc. | SHS NEW | G06973112 | — | 35,000 shares | $2,203,250 |
| Interactive Brokers Group, Inc. | COM CL A | 45841N107 | — | 23,200 shares | $2,019,328 |
| Wheaton Precious Metals Corporation | COM | 962879102 | — | 16,700 shares | $1,875,744 |
| Steel Dynamics, Inc. | COM | 858119100 | — | 7,900 shares | $1,812,734 |
| B2Gold Corporation | COM | 11777Q209 | — | 475,000 shares | $1,776,500 |
| McEwen Mining, Inc. | COM NEW | 58039P305 | — | 97,500 shares | $1,767,675 |
| Progressive Corporation (The) | COM | 743315103 | — | 8,059 shares | $1,760,489 |
| Microsoft Corporation | COM | 594918104 | — | 4,500 shares | $1,678,590 |
| Royal Gold, Inc. | COM | 780287108 | — | 8,400 shares | $1,676,724 |
| Kinross Gold Corporation | COM | 496902404 | — | 68,500 shares | $1,617,970 |
| GLOBAL SELF STORAGE INC. | COM | 37955N106 | — | 303,758 shares | $1,591,692 |
| EXTRA SPACE STORAGE INC | COM | 30225T102 | — | 10,027 shares | $1,456,923 |
| Qualys, Inc. | COM | 74758T303 | — | 10,158 shares | $1,396,623 |
| Berkshire Hathaway, Inc. | CL B NEW | 084670702 | — | 2,500 shares | $1,250,975 |
| SPDR Gold Shares | GOLD SHS | 78463V107 | — | 3,290 shares | $1,211,970 |
| Duolingo, Inc. | CL A COM | 26603R106 | — | 9,043 shares | $1,040,126 |
| Mueller Industries, Inc. | COM | 624756102 | — | 7,880 shares | $968,688 |
| Essent Group Ltd. | COM | G3198U102 | — | 14,500 shares | $932,060 |
| United Rentals, Inc. | COM | 911363109 | — | 735 shares | $832,674 |
| MediaAlpha, Inc. | CL A | 58450V104 | — | 65,102 shares | $818,332 |
| iShares Silver Trust | ISHARES | 46428Q109 | — | 15,070 shares | $805,793 |
| Clear Secure, Inc. | COM CL A | 18467V109 | — | 14,081 shares | $784,734 |
| GLOBAL SELF STORAGE INC | COM | 37955N106 | — | 147,641 shares | $773,639 |
| EverQuote, Inc. | COM CL A | 30041R108 | — | 32,400 shares | $770,796 |
| GLOBAL SELF STORAGE INC | COM | 37955N106 | — | 135,101 shares | $707,929 |
| NMI Holdings, Inc. | COM | 629209305 | — | 16,869 shares | $693,147 |
| Meta Platforms, Inc. | CL A | 30303M102 | — | 1,150 shares | $647,784 |
| NerdWallet, Inc. | COM CL A | 64082B102 | — | 70,000 shares | $647,500 |
| Nutex Health, Inc. | COM | 67079U306 | — | 3,350 shares | $572,482 |
| CUBESMART | COM | 229663109 | — | 14,000 shares | $556,780 |
| PUBLIC STORAGE | COM | 74460D109 | — | 1,700 shares | $541,127 |
| Dillard's, Inc. | CL A | 254067101 | — | 990 shares | $523,136 |
| Build-A-Bear Workshop, Inc. | COM | 120076104 | — | 16,500 shares | $505,065 |
| Ameriprise Financial, Inc. | COM | 03076C106 | — | 1,090 shares | $500,048 |
| GoDaddy, Inc. | CL A | 380237107 | — | 4,200 shares | $356,496 |
| Alarm.com Holdings, Inc. | COM | 011642105 | — | 6,600 shares | $308,352 |
| MICROSOFT CORP | COM | 594918104 | — | 775 shares | $289,091 |
| PROGRESSIVE CORP | COM | 743315103 | — | 1,000 shares | $218,450 |
| ALPHABET INC | CAP STK CL C | 02079K107 | — | 574 shares | $205,130 |
| UNITED RENTALS INC | COM | 911363109 | — | 174 shares | $197,123 |
| STEEL DYNAMICS INC | COM | 858119100 | — | 847 shares | $194,353 |
| DILLARDS INC | CL A | 254067101 | — | 248 shares | $131,048 |
| NVR INC | COM | 62944T105 | — | 17 shares | $115,828 |
| MEXICO EQUITY & INCOME FD | COM | 592834105 | — | 6,000 shares | $78,038 |
| SPECIAL OPPORTUNITIES FD INC | COM | 84741T104 | — | 2,093 shares | $28,193 |
| SABA CAPITAL INCOME & OPRNT | SHS NEW | 78518H202 | — | 3,700 shares | $24,309 |
| TOTAL RETURN SECURITIES FUND | COM | 870875101 | — | 2,250 shares | $13,365 |
| SPECIAL OPPORTUNITIES FD INC | 2.75% CNV PFD C A | 84741T401 | — | 200 shares | $4,982 |
| HIGH INCOME SECURITIES FUND | SHS BEN INT | 42968F108 | — | 662 shares | $3,621 |
| EXCHANGE LISTED FDS TR | SABA INT RATE | 30151E806 | — | 100 shares | $2,564 |
| EAGLE CAP GROWTH FD INC | COM | 269451100 | — | 100 shares | $1,019 |
| SABA CAPITAL INCOME & OPPORT | COM NEW | 880198205 | — | 17 shares | $142 |
| FIRSTHAND TECHNOLOGY VALUE F | COM | 33766Y100 | — | 100 shares | $2 |