Winmill & Co. Inc.
Winmill & Co. Inc. reported 56 US-listed holdings worth $451.7 million in its 13F for the quarter ended 30 June 2026, filed 13 August 2026. Its largest: Lam Research Corp. (10.5%), Steel Dynamics Inc. (8.6%) and Alphabet Inc. (8.6%). Against the quarter before, it opened 7 positions, added to 1, trimmed 1 and sold out of 5.
The 14 largest of its 56 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned +52.9% over the 7 quarters to 30 June 2026, against +30.2% for the S&P 500.
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held
Opened 7
- Microsoft Corp. MSFT$14.8 million
- Ameriprise Financial Inc. AMP$10.1 million
- Duolingo, Inc. DUOL$10.0 million
- White Mountains Insurance Group Ltd. WTM$10.0 million
- GoDaddy Inc. GDDY$7.0 million
- Mediaalpha Inc. MAX$818,332
- Nerdwallet Inc. NRDS$647,500
Added to 1
- Progressive Corp. PGR+15,765 shares · +25%
Trimmed 1
- Williams Sonoma Inc. WSM-994 shares · -1%
Sold out of 5
- HCA Healthcare, Inc. HCA$12.5 million last quarter
- Agnico Eagle Mines Ltd AEM$3.0 million last quarter
- Elevance Health, Inc. ELV$2.8 million last quarter
- Newmont Corp. NEM$2.2 million last quarter
- Triple Flag Precious Metal TFPM$1.9 million last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Lam Research Corp. LRCX | 109.0K | $47.2 million | 10.46% | no change |
| Steel Dynamics Inc. STLD | 168.7K | $38.7 million | 8.57% | no change |
| Alphabet Inc. GOOGL | 108.1K | $38.6 million | 8.55% | no change |
| Interactive Brokers Group, Inc. IBKR | 327.2K | $28.5 million | 6.31% | no change |
| Williams Sonoma Inc. WSM | 111.0K | $25.9 million | 5.73% | -994 |
| Mueller Industries Inc. MLI | 169.3K | $20.8 million | 4.61% | no change |
| Iamgold Corp. IAG | 1.2M | $18.8 million | 4.17% | no change |
| United Rentals, Inc. URI | 15.4K | $17.5 million | 3.87% | no change |
| Progressive Corp. PGR | 79.8K | $17.4 million | 3.86% | +15.8K |
| NMI Holdings, Inc. NMIH | 396.1K | $16.3 million | 3.60% | no change |
| Clear Secure, Inc. YOU | 289.1K | $16.1 million | 3.57% | no change |
| Microsoft Corp. MSFT | 39.8K | $14.8 million | 3.29% | new |
| Essent Group Ltd. ESNT | 214.5K | $13.8 million | 3.05% | no change |
| LPL Financial Holdings Inc. LPLA | 46.5K | $13.1 million | 2.90% | no change |
| Qualys, Inc. QLYS | 88.6K | $12.2 million | 2.70% | no change |
| Dillards Inc. DDS | 21.5K | $11.4 million | 2.52% | no change |
| Nutex Health Inc. Com NUTX | 65.3K | $11.2 million | 2.47% | no change |
| Ameriprise Financial Inc. AMP | 22.0K | $10.1 million | 2.23% | new |
| Duolingo, Inc. DUOL | 86.6K | $10.0 million | 2.20% | new |
| White Mountains Insurance Group Ltd. WTM | 4.8K | $10.0 million | 2.20% | new |
| NVR Inc. NVR | 1.1K | $7.2 million | 1.60% | no change |
| GoDaddy Inc. GDDY | 82.2K | $7.0 million | 1.54% | new |
| Alarm.com Holdings, Inc. ALRM | 126.1K | $5.9 million | 1.30% | no change |
| UnitedHealth Group Inc. UNH | 13.5K | $5.6 million | 1.24% | no change |
| Mastercard Inc. MA | 10.0K | $5.1 million | 1.14% | no change |
| Global Self Storage Inc. SELF | 586.5K | $3.1 million | 0.68% | no change |
| SSR Mining Inc. SSRM | 95.0K | $2.7 million | 0.59% | no change |
| JPMorgan Chase & Co. JPM | 6.8K | $2.2 million | 0.49% | no change |
| Aura Minerals Inc. AUGO | 35.0K | $2.2 million | 0.49% | no change |
| Wheaton Precious Metals Corp. WPM | 16.7K | $1.9 million | 0.42% | no change |
| B2GOLD Corp. BTG | 475.0K | $1.8 million | 0.39% | no change |
| McEwen MNG Inc. MUX | 97.5K | $1.8 million | 0.39% | no change |
| Royal Gold Inc. RGLD | 8.4K | $1.7 million | 0.37% | no change |
| Kinross Gold Corp. KGC | 68.5K | $1.6 million | 0.36% | no change |
| Extra Space Storage Inc. EXR | 10.0K | $1.5 million | 0.32% | no change |
| Berkshire Hathaway Inc. Class B BRKB | 2.5K | $1.3 million | 0.28% | no change |
| SPDR Gold Trust GLD | 3.3K | $1.2 million | 0.27% | no change |
| Mediaalpha Inc. MAX | 65.1K | $818,332 | 0.18% | new |
| iShares Silver Trust SLV | 15.1K | $805,793 | 0.18% | no change |
| Everquote Inc. EVER | 32.4K | $770,796 | 0.17% | no change |
| Meta Platforms, Inc. META | 1.1K | $647,784 | 0.14% | no change |
| Nerdwallet Inc. NRDS | 70.0K | $647,500 | 0.14% | new |
| CubeSmart CUBE | 14.0K | $556,780 | 0.12% | no change |
| Public Storage PSA | 1.7K | $541,127 | 0.12% | no change |
| Build-A-Bear Workshop Inc. BBW | 16.5K | $505,065 | 0.11% | no change |
| Alphabet Inc. GOOG | 574 | $205,130 | 0.05% | no change |
| Mexico Eq & Inc. MXE | 6.0K | $78,038 | 0.02% | no change |
| Special (opportunities Fund Inc. Com STK USD0.001) SPE | 2.1K | $28,193 | 0.01% | no change |
| Saba Capital Management LP BRW | 3.7K | $24,309 | 0.01% | no change |
| Swiss Helvetia FD Inc. SWZ | 2.2K | $13,365 | 0.00% | no change |
| Special Opportunities FD Inc. 2.75 CNV PFD C SPEPRC | 200 | $4,982 | 0.00% | no change |
| High Income Secs FD SHS Ben Int PCF | 662 | $3,621 | 0.00% | no change |
| Exchange Listed FDS Trust CEFS | 100 | $2,564 | 0.00% | no change |
| Eagle Cap Growth FD Inc. GRF | 100 | $1,019 | 0.00% | no change |
| Saba Capital Income & Opport SABA | 17 | $142 | 0.00% | no change |
| Firsthand Technology Value F SVVC | 100 | $2 | 0.00% | no change |