Filed: 8/13/2026ACC: 0000892712-26-000347
📋 What this filing means
WINMILL & CO. INC filed this quarterly 13F‑HR report disclosing 56 equity positions with a total reported market value of $451.65M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
56
Positions
$451.65M
Total AUM (reported)
5.42M
Total Shares
Allocation by class
COM$277.38M61.4%
COM NEW$49.00M10.8%
COM CL A$46.01M10.2%
CAP STK CL A$38.63M8.6%
CL A$24.96M5.5%
CL A COM$9.96M2.2%
SHS NEW$2.23M0.5%
Portfolio Concentration
Top 3$124.59M27.6%
4–10$145.17M32.1%
11–25$153.42M34.0%
Rest$28.48M6.3%
Top 3 weight
27.6%
Top 10 weight
59.7%
Voting Authority Distribution
Total shares with voting rights: 5.42M
Sole
Full voting authority
5.42M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole0
Shared0
Other56
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings56
Rows:
Lam Research Corporation
DFNDShares109K
TypeSH
Market value$47.23M
10.46%
Sole
109K
Shared
0.00
None
0.00
STEEL DYNAMICS INC
DFNDShares168.75K
TypeSH
Market value$38.72M
8.57%
Sole
168.75K
Shared
0.00
None
0.00
Alphabet, Inc.
DFNDShares108.10K
TypeSH
Market value$38.63M
8.55%
Sole
108.10K
Shared
0.00
None
0.00
Interactive Brokers Group, Inc.
DFNDShares327.20K
TypeSH
Market value$28.48M
6.31%
Sole
327.20K
Shared
0.00
None
0.00
Williams-Sonoma, Inc.
DFNDShares111K
TypeSH
Market value$25.87M
5.73%
Sole
111K
Shared
0.00
None
0.00
Mueller Industries, Inc.
DFNDShares169.28K
TypeSH
Market value$20.81M
4.61%
Sole
169.28K
Shared
0.00
None
0.00
IAMGOLD Corporation
DFNDShares1.19M
TypeSH
Market value$18.85M
4.17%
Sole
1.19M
Shared
0.00
None
0.00
UNITED RENTALS INC
DFNDShares15.41K
TypeSH
Market value$17.46M
3.87%
Sole
15.41K
Shared
0.00
None
0.00
PROGRESSIVE CORP
DFNDShares79.77K
TypeSH
Market value$17.42M
3.86%
Sole
79.77K
Shared
0.00
None
0.00
NMI Holdings, Inc.
DFNDShares396.10K
TypeSH
Market value$16.28M
3.60%
Sole
396.10K
Shared
0.00
None
0.00
Clear Secure, Inc.
DFNDShares289.13K
TypeSH
Market value$16.11M
3.57%
Sole
289.13K
Shared
0.00
None
0.00
MICROSOFT CORP
DFNDShares39.77K
TypeSH
Market value$14.84M
3.29%
Sole
39.77K
Shared
0.00
None
0.00
Essent Group Ltd.
DFNDShares214.50K
TypeSH
Market value$13.79M
3.05%
Sole
214.50K
Shared
0.00
None
0.00
LPL Financial Holdings, Inc.
DFNDShares46.50K
TypeSH
Market value$13.10M
2.90%
Sole
46.50K
Shared
0.00
None
0.00
Qualys, Inc.
DFNDShares88.64K
TypeSH
Market value$12.19M
2.70%
Sole
88.64K
Shared
0.00
None
0.00
DILLARDS INC
DFNDShares21.54K
TypeSH
Market value$11.38M
2.52%
Sole
21.54K
Shared
0.00
None
0.00
Nutex Health, Inc.
DFNDShares65.35K
TypeSH
Market value$11.17M
2.47%
Sole
65.35K
Shared
0.00
None
0.00
Ameriprise Financial, Inc.
DFNDShares21.99K
TypeSH
Market value$10.09M
2.23%
Sole
21.99K
Shared
0.00
None
0.00
Duolingo, Inc.
DFNDShares86.55K
TypeSH
Market value$9.96M
2.20%
Sole
86.55K
Shared
0.00
None
0.00
White Mountains Insurance Group Ltd.
DFNDShares4.80K
TypeSH
Market value$9.95M
2.20%
Sole
4.80K
Shared
0.00
None
0.00
NVR INC
DFNDShares1.06K
TypeSH
Market value$7.24M
1.60%
Sole
1.06K
Shared
0.00
None
0.00
GoDaddy, Inc.
DFNDShares82.20K
TypeSH
Market value$6.98M
1.54%
Sole
82.20K
Shared
0.00
None
0.00
Alarm.com Holdings, Inc.
DFNDShares126.10K
TypeSH
Market value$5.89M
1.30%
Sole
126.10K
Shared
0.00
None
0.00
UnitedHealth Group, Inc.
DFNDShares13.50K
TypeSH
Market value$5.61M
1.24%
Sole
13.50K
Shared
0.00
None
0.00
Mastercard, Inc.
DFNDShares10K
TypeSH
Market value$5.14M
1.14%
Sole
10K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
Lam Research CorporationDFND | COM NEW | 109K | SH | $47.23M 10.46% | 109K | 0.00 | 0.00 |
STEEL DYNAMICS INCDFND | COM | 168.75K | SH | $38.72M 8.57% | 168.75K | 0.00 | 0.00 |
Alphabet, Inc.DFND | CAP STK CL A | 108.10K | SH | $38.63M 8.55% | 108.10K | 0.00 | 0.00 |
Interactive Brokers Group, Inc.DFND | COM CL A | 327.20K | SH | $28.48M 6.31% | 327.20K | 0.00 | 0.00 |
Williams-Sonoma, Inc.DFND | COM | 111K | SH | $25.87M 5.73% | 111K | 0.00 | 0.00 |
Mueller Industries, Inc.DFND | COM | 169.28K | SH | $20.81M 4.61% | 169.28K | 0.00 | 0.00 |
IAMGOLD CorporationDFND | COM | 1.19M | SH | $18.85M 4.17% | 1.19M | 0.00 | 0.00 |
UNITED RENTALS INCDFND | COM | 15.41K | SH | $17.46M 3.87% | 15.41K | 0.00 | 0.00 |
PROGRESSIVE CORPDFND | COM | 79.77K | SH | $17.42M 3.86% | 79.77K | 0.00 | 0.00 |
NMI Holdings, Inc.DFND | COM | 396.10K | SH | $16.28M 3.60% | 396.10K | 0.00 | 0.00 |
Clear Secure, Inc.DFND | COM CL A | 289.13K | SH | $16.11M 3.57% | 289.13K | 0.00 | 0.00 |
MICROSOFT CORPDFND | COM | 39.77K | SH | $14.84M 3.29% | 39.77K | 0.00 | 0.00 |
Essent Group Ltd.DFND | COM | 214.50K | SH | $13.79M 3.05% | 214.50K | 0.00 | 0.00 |
LPL Financial Holdings, Inc.DFND | COM | 46.50K | SH | $13.10M 2.90% | 46.50K | 0.00 | 0.00 |
Qualys, Inc.DFND | COM | 88.64K | SH | $12.19M 2.70% | 88.64K | 0.00 | 0.00 |
DILLARDS INCDFND | CL A | 21.54K | SH | $11.38M 2.52% | 21.54K | 0.00 | 0.00 |
Nutex Health, Inc.DFND | COM | 65.35K | SH | $11.17M 2.47% | 65.35K | 0.00 | 0.00 |
Ameriprise Financial, Inc.DFND | COM | 21.99K | SH | $10.09M 2.23% | 21.99K | 0.00 | 0.00 |
Duolingo, Inc.DFND | CL A COM | 86.55K | SH | $9.96M 2.20% | 86.55K | 0.00 | 0.00 |
White Mountains Insurance Group Ltd.DFND | COM | 4.80K | SH | $9.95M 2.20% | 4.80K | 0.00 | 0.00 |
NVR INCDFND | COM | 1.06K | SH | $7.24M 1.60% | 1.06K | 0.00 | 0.00 |
GoDaddy, Inc.DFND | CL A | 82.20K | SH | $6.98M 1.54% | 82.20K | 0.00 | 0.00 |
Alarm.com Holdings, Inc.DFND | COM | 126.10K | SH | $5.89M 1.30% | 126.10K | 0.00 | 0.00 |
UnitedHealth Group, Inc.DFND | COM | 13.50K | SH | $5.61M 1.24% | 13.50K | 0.00 | 0.00 |
Mastercard, Inc.DFND | CL A | 10K | SH | $5.14M 1.14% | 10K | 0.00 | 0.00 |
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