WINMILL & CO. INC — 13F Holdings & Portfolio
CIK 52234 · latest 13F-HR filed 2026-05-14
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
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AUM
$346.6M
Long-equity book
Holdings
79
Distinct positions
Period
2026-03-31
Filed 2026-05-14
Q/Q Activity
+5 / −7 / ↑12 / ↓21
vs 2025-12-31
Firm Profile & Key People
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- Lam Research Corporation$4.6M +24.8%
- Clear Secure, Inc.$3.9M +38.0%
- IAMGOLD Corporation$2.8M +14.1%
- STEEL DYNAMICS INC$1.8M +6.2%
- McEwen Mining, Inc.$1.1M +126.4%
Top Trims
- LPL Financial Holdings, Inc.-$3.5M -19.8%
- Alphabet, Inc.-$2.8M -8.1%
- Essent Group Ltd.-$2.1M -14.1%
- Agnico Eagle Mines Ltd.-$2.0M -40.1%
- PROGRESSIVE CORP-$1.9M -12.9%
New Positions
- Qualys, Inc.$7.8M
- Nutex Health, Inc.$6.2M
- Alarm.com Holdings, Inc.$5.4M
- SSR Mining, Inc.$2.8M
- EverQuote, Inc.$499.6K
Exited Positions
- AUTOZONE INC$24.0M
- Donnelley Financial Solutions, Inc.$9.1M
- PayPal Holdings, Inc.$7.6M
- Matador Resources Company$4.7M
- Franco-Nevada Corporation$1.7M
All Holdings
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | Steel Dynamics, Inc. | STLD | 858119100 | $28.8M | 8.31% | 160,000 | SH |
| 2 | Lam Research Corporation | LRCX | 512807306 | $20.7M | 5.98% | 97,000 | SH |
| 3 | Interactive Brokers Group, Inc. | IBKR | 45841N107 | $20.4M | 5.88% | 304,000 | SH |
| 4 | IAMGOLD Corporation | IAG | 450913108 | $19.6M | 5.65% | 1,040,000 | SH |
| 5 | Alphabet, Inc. | GOOGL | 02079K305 | $18.9M | 5.45% | 65,700 | SH |
| 6 | Mueller Industries, Inc. | MLI | 624756102 | $17.9M | 5.16% | 161,400 | SH |
| 7 | Williams-Sonoma, Inc. | WSM | 969904101 | $17.5M | 5.05% | 96,000 | SH |
| 8 | NMI Holdings, Inc. | NMIH | 629209305 | $14.2M | 4.10% | 379,226 | SH |
| 9 | LPL Financial Holdings, Inc. | LPLA | 50212V100 | $14.0M | 4.04% | 46,500 | SH |
| 10 | Clear Secure, Inc. | YOU | 18467V109 | $13.3M | 3.84% | 275,054 | SH |
| 11 | Alphabet, Inc. | GOOGL | 02079K305 | $12.2M | 3.52% | 42,400 | SH |
| 12 | Progressive Corporation (The) | PGR | 743315103 | $11.9M | 3.43% | 60,000 | SH |
| 13 | HCA Healthcare, Inc. | HCA | 40412C101 | $11.9M | 3.43% | 25,100 | SH |
| 14 | Essent Group Ltd. | ESNT | G3198U102 | $11.7M | 3.37% | 200,000 | SH |
| 15 | Dillard's, Inc. | DDS | 254067101 | $11.6M | 3.35% | 20,300 | SH |
| 16 | United Rentals, Inc. | URI | 911363109 | $10.6M | 3.05% | 14,500 | SH |
| 17 | Qualys, Inc. | QLYS | 74758T303 | $6.9M | 1.99% | 78,483 | SH |
| 18 | NVR, Inc. | NVR | 62944T105 | $6.9M | 1.99% | 1,045 | SH |
| 19 | Nutex Health, Inc. | NUTX | 67079U306 | $5.9M | 1.70% | 62,000 | SH |
| 20 | Alarm.com Holdings, Inc. | ALRM | 011642105 | $5.2M | 1.49% | 119,500 | SH |
| 21 | Mastercard, Inc. | MA | 57636Q104 | $5.0M | 1.44% | 10,000 | SH |
| 22 | UnitedHealth Group, Inc. | UNH | 91324P102 | $3.7M | 1.05% | 13,500 | SH |
| 23 | Agnico Eagle Mines Ltd. | AEM | 008474108 | $3.0M | 0.88% | 15,000 | SH |
| 24 | Aura Minerals, Inc. | AUGO | G06973112 | $2.9M | 0.82% | 35,000 | SH |
| 25 | IAMGOLD Corporation | IAG | 450913108 | $2.8M | 0.81% | 150,000 | SH |
| 26 | Elevance Health, Inc. | ELV | 036752103 | $2.8M | 0.81% | 9,600 | SH |
| 27 | SSR Mining, Inc. | SSRM | 784730103 | $2.8M | 0.81% | 95,000 | SH |
| 28 | Williams-Sonoma, Inc. | WSM | 969904101 | $2.7M | 0.79% | 15,000 | SH |
| 29 | Lam Research Corporation | LRCX | 512807306 | $2.6M | 0.74% | 12,000 | SH |
| 30 | Newmont Corporation | NEM | 651639106 | $2.2M | 0.63% | 20,250 | SH |
| 31 | Wheaton Precious Metals Corporation | WPM | 962879102 | $2.2M | 0.63% | 16,700 | SH |
| 32 | B2Gold Corporation | BTG | 11777Q209 | $2.2M | 0.62% | 475,000 | SH |
| 33 | Royal Gold, Inc. | RGLD | 780287108 | $2.1M | 0.62% | 8,400 | SH |
| 34 | Kinross Gold Corporation | KGC | 496902404 | $2.1M | 0.60% | 68,500 | SH |
| 35 | JPMorgan Chase & Company | JPM | 46625H100 | $2.0M | 0.58% | 6,800 | SH |
| 36 | McEwen Mining, Inc. | MUX | 58039P305 | $2.0M | 0.57% | 97,500 | SH |
| 37 | Triple Flag Precious Metals Corporation | TFPM | 89679M104 | $1.9M | 0.54% | 54,000 | SH |
| 38 | Interactive Brokers Group, Inc. | IBKR | 45841N107 | $1.6M | 0.45% | 23,200 | SH |
| 39 | GLOBAL SELF STORAGE INC | SELF | 37955N106 | $1.6M | 0.45% | 303,758 | SH |
| 40 | Steel Dynamics, Inc. | STLD | 858119100 | $1.4M | 0.41% | 7,900 | SH |
| 41 | SPDR Gold Shares | GLD | 78463V107 | $1.4M | 0.41% | 3,290 | SH |
| 42 | EXTRA SPACE STORAGE INC | EXR | 30225T102 | $1.3M | 0.38% | 10,027 | SH |
| 43 | Berkshire Hathaway, Inc. | BRK.B | 084670702 | $1.2M | 0.35% | 2,500 | SH |
| 44 | iShares Silver Trust | SLV | 46428Q109 | $1.0M | 0.30% | 15,070 | SH |
| 45 | Qualys, Inc. | QLYS | 74758T303 | $892.4K | 0.26% | 10,158 | SH |
| 46 | Mueller Industries, Inc. | MLI | 624756102 | $873.1K | 0.25% | 7,880 | SH |
| 47 | Essent Group Ltd. | ESNT | G3198U102 | $847.4K | 0.24% | 14,500 | SH |
| 48 | GLOBAL SELF STORAGE INC | SELF | 37955N106 | $754.4K | 0.22% | 147,641 | SH |
| 49 | GLOBAL SELF STORAGE INC | SELF | 37955N106 | $690.4K | 0.20% | 135,101 | SH |
| 50 | Clear Secure, Inc. | YOU | 18467V109 | $681.7K | 0.20% | 14,081 | SH |
Filing History
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-14 | $346.6M | 79 | 0000892712-26-000244 |
| 2025-12-31 | 2026-02-13 | $374.9M | 83 | 0000892712-26-000091 |
| 2025-09-30 | 2025-11-13 | $412.4M | 89 | 0000892712-25-000148 |