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Super Investors / WINMILL & CO. INC
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WINMILL & CO. INC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$452M
Positions
56
Quarter ended
June 30, 2026
Filed
August 13, 2026

Reported portfolio value by quarter (28 quarters reported)

$452M $184M
Q3 19 Q1 21 Q3 22 Q1 24 Q3 25 Q2 26

$235M in Q3 2019 → $452M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Lam Research Corporation 10.5% Unchanged 109,000 $47.2M
Steel Dynamics, Inc. 8.6% Unchanged 168,747 $38.7M
Alphabet, Inc. 8.6% Unchanged 108,100 $38.6M
Interactive Brokers Group, Inc. 6.3% Unchanged 327,200 $28.5M
Williams-sonoma, Inc. 5.7% Trimmed 0.9% 111,000 $25.9M
Mueller Industries, Inc. 4.6% Unchanged 169,280 $20.8M
Iamgold Corporation 4.2% Unchanged 1,190,000 $18.8M
United Rentals, Inc. 3.9% Unchanged 15,409 $17.5M
PC Progressive Corporation (the) 3.9% Added 25% 79,765 $17.4M
Nmi Holdings, Inc. 3.6% Unchanged 396,095 $16.3M
Clear Secure, Inc. 3.6% Unchanged 289,135 $16.1M
Microsoft Corporation 3.3% New 39,775 $14.8M
Essent Group Ltd. 3.1% Unchanged 214,500 $13.8M
Lpl Financial Holdings, Inc. 2.9% Unchanged 46,500 $13.1M
Qualys, Inc. 2.7% Unchanged 88,641 $12.2M
Dillard's, Inc. 2.5% Unchanged 21,538 $11.4M
Nutex Health, Inc. 2.5% Unchanged 65,350 $11.2M
Ameriprise Financial, Inc. 2.2% New 21,990 $10.1M
Duolingo, Inc. 2.2% New 86,552 $9.96M
White Mountains Insurance Group Ltd. 2.2% New 4,800 $9.95M
Nvr, Inc. 1.6% Unchanged 1,062 $7.24M
Godaddy, Inc. 1.5% New 82,200 $6.98M
Alarm.com Holdings, Inc. 1.3% Unchanged 126,100 $5.89M
Unitedhealth Group, Inc. 1.2% Unchanged 13,500 $5.61M
Mastercard, Inc. 1.1% Unchanged 10,000 $5.14M
Global Self Storage Inc. 0.7% Unchanged 586,500 $3.07M
Ssr Mining, Inc. 0.6% Unchanged 95,000 $2.69M
Jpmorgan Chase & Company 0.5% Unchanged 6,800 $2.23M
Aura Minerals, Inc. 0.5% Unchanged 35,000 $2.2M
Wheaton Precious Metals Corporation 0.4% Unchanged 16,700 $1.88M
B2gold Corporation 0.4% Unchanged 475,000 $1.78M
MM Mcewen Mining, Inc. 0.4% Unchanged 97,500 $1.77M
Royal Gold, Inc. 0.4% Unchanged 8,400 $1.68M
Kinross Gold Corporation 0.4% Unchanged 68,500 $1.62M
Extra Space Storage Inc 0.3% Unchanged 10,027 $1.46M
Berkshire Hathaway, Inc. 0.3% Unchanged 2,500 $1.25M
SG SPDR Gold Shares 0.3% Unchanged 3,290 $1.21M
Mediaalpha, Inc. 0.2% New 65,102 $818K
IS Ishares Silver Trust 0.2% Unchanged 15,070 $806K
Everquote, Inc. 0.2% Unchanged 32,400 $771K
Meta Platforms, Inc. 0.1% Unchanged 1,150 $648K
Nerdwallet, Inc. 0.1% New 70,000 $648K
Cubesmart 0.1% Unchanged 14,000 $557K
Public Storage 0.1% Unchanged 1,700 $541K
Build-a-bear Workshop, Inc. 0.1% Unchanged 16,500 $505K
Alphabet Inc 0.0% Unchanged 574 $205K
ME Mexico Equity & Income Fd 0.0% Unchanged 6,000 $78K
SO Special Opportunities Fd Inc 0.0% Unchanged 2,093 $28.2K
SC Saba Capital Income & Oprnt 0.0% Unchanged 3,700 $24.3K
Total Return Securities Fund 0.0% Unchanged 2,250 $13.4K
SO Special Opportunities Fd Inc 0.0% Unchanged 200 $4.98K
High Income Securities Fund 0.0% Unchanged 662 $3.62K
EL Exchange Listed Fds Tr 0.0% Unchanged 100 $2.56K
EC Eagle Cap Growth Fd Inc 0.0% Unchanged 100 $1.02K
SC Saba Capital Income & Opport 0.0% Unchanged 17 $142
FT Firsthand Technology Value F 0.0% Unchanged 100 $2

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 13, 2026

Company Action Shares changed Value of change % of portfolio
Microsoft Corporation New +39,775 +$14.8M 3.3%
Hca Healthcare, Inc. Exited −26,450 −$12.5M
Ameriprise Financial, Inc. New +21,990 +$10.1M 2.2%
Duolingo, Inc. New +86,552 +$9.96M 2.2%
White Mountains Insurance Group Ltd. New +4,800 +$9.95M 2.2%
Godaddy, Inc. New +82,200 +$6.98M 1.5%
PC Progressive Corporation (the) Added +15,765 +$3.44M 3.9%
Agnico Eagle Mines Ltd. Exited −15,000 −$3.04M
Elevance Health, Inc. Exited −9,600 −$2.81M
NC Newmont Corporation Exited −20,250 −$2.19M

Showing the 10 largest of 14 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 14, 2026

Company Action Shares changed Value of change % of portfolio
Autozone, Inc. Exited −7,069 −$24M
Donnelley Financial Solutions, Inc. Exited −195,859 −$9.14M
Qualys, Inc. New +88,641 +$7.79M 2.2%
Paypal Holdings, Inc. Exited −130,000 −$7.59M
Nutex Health, Inc. New +65,350 +$6.21M 1.8%
Alarm.com Holdings, Inc. New +126,100 +$5.45M 1.6%
Matador Resources Company Exited −110,000 −$4.67M
Agnico Eagle Mines Ltd. Trimmed −15,000 −$3.04M 0.9%
Ssr Mining, Inc. New +95,000 +$2.79M 0.8%
Franco-nevada Corporation Exited −8,000 −$1.66M

Showing the 10 largest of 24 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 13, 2026

Company Action Shares changed Value of change % of portfolio
NG New Gold, Inc. Exited −2,100,000 −$15.1M
BA Booz Allen Hamilton Corp. Exited −117,650 −$11.8M
Molina Healthcare, Inc. Exited −52,800 −$10.1M
Snap-on, Inc. Exited −27,800 −$9.63M
NC Newmont Corporation Trimmed −71,000 −$7.09M 0.5%
Donnelley Financial Solutions, Inc. Trimmed −47,141 −$2.2M 2.4%
PC Progressive Corporation (the) Added +8,670 +$1.97M 3.9%
Aura Minerals, Inc. New +35,000 +$1.76M 0.5%
B2gold Corporation New +300,000 +$1.35M 0.4%
Berkshire Hathaway, Inc. Trimmed −2,100 −$1.06M 0.4%

Showing the 10 largest of 25 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 13, 2025

Company Action Shares changed Value of change % of portfolio
Kinross Gold Corp. Trimmed −747,000 −$18.6M 0.4%
PC Progressive Corp./the New +55,330 +$13.7M 3.3%
Wheaton Precious Metals Corp. Trimmed −117,000 −$13.1M 0.3%
Credit Acceptance Corp. Exited −25,087 −$12.8M
BA Booz Allen Hamilton Corp. New +117,650 +$11.8M 2.9%
Hca Healthcare, Inc. New +26,450 +$11.3M 2.7%
Molina Healthcare, Inc. New +52,800 +$10.1M 2.4%
Allison Transmission Holdings, Inc. Exited −79,500 −$7.55M
Ufp Industries, Inc. Exited −72,300 −$7.18M
NG Newmont Goldcorp Corp. Added +71,000 +$5.99M 1.8%

Showing the 10 largest of 15 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 01, 2025

Company Action Shares changed Value of change % of portfolio
Interactive Brokers Group, Inc. Added +245,400 +$13.6M 5.0%
Iamgold Corp. Added +1,138,000 +$8.36M 2.5%
Allison Transmission Holdings, Inc. New +79,500 +$7.55M 2.1%
VE Valero Energy Corp. Exited −55,218 −$7.29M
International Seaways, Inc. Exited −175,600 −$5.83M
Paypal Holdings, Inc. New +74,000 +$5.5M 1.5%
Rio Tinto PLC Exited −73,500 −$4.42M
Pool Corp. Exited −7,149 −$2.28M
Triple Flag Precious Metals Corp New +30,000 +$711K 0.2%
Q Qualcomm, Inc. New +4,200 +$669K 0.2%

Showing the 10 largest of 18 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 14, 2025

Company Action Shares changed Value of change % of portfolio
NG New Gold, Inc. New +1,993,000 +$7.39M 2.2%
Matador Resources Co. New +115,850 +$5.92M 1.8%
Donnelley Financial Solutions, Inc. Added +118,000 +$5.16M 3.2%
Iamgold Corp. New +108,000 +$675K 0.2%
NG Newmont Goldcorp Corp. Added +2,450 +$118K 0.2%
NA New Amer High Income Fd Inc Exited −300 −$2.45K

Q4 2024

quarter ended December 31, 2024 · filed February 13, 2025

Company Action Shares changed Value of change % of portfolio
Lam Research Corp. Exited −10,900 −$8.9M
Centene Corp. Exited −111,000 −$8.36M
Lam Research Corp. New +109,000 +$7.87M 2.5%
Donnelley Financial Solutions, Inc. New +125,000 +$7.84M 2.5%
Kinross Gold Corp. Added +747,000 +$6.92M 2.4%
Wheaton Precious Metals Corp. Added +117,000 +$6.58M 2.2%
International Seaways, Inc. New +175,600 +$6.31M 2.0%
Skyworks Solutions, Inc. Exited −45,000 −$4.44M
Atkore Inc Trimmed −38,200 −$3.19M
Alphabet Inc Added +15,700 +$2.97M 6.6%

Showing the 10 largest of 14 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
Williams-sonoma, Inc. Added +55,997 +$8.68M 5.8%
Wabash National Corp. Exited −311,500 −$6.8M
Bluelinx Holdings, Inc. Exited −71,812 −$6.68M
Lpl Financial Holdings, Inc. Added +24,200 +$5.63M 3.8%
B2gold Corp. Exited −1,610,000 −$4.35M
Ssr Mining, Inc. Exited −80,000 −$361K
Global Self Storage Inc Added +20,096 +$105K 0.8%
High Income Securities Fund Added +20 +$137

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