WINMILL & CO. INC

Fundamental concentrated ★Highest signal CIK 52234
League rank
#434
in Fundamental concentrated · #1258 overall
Long book
$346.6M
Q1 2026
Positions
54
Top-10 weight
61%
concentration
Last quarter
+16.0%
SPY +14.8%
Turnover
20%
of book per quarter

Strategy in plain words

auto-generated from filings

WINMILL & CO. INC is a concentrated fundamental stock-picker, running a $346.6M US long book across 54 positions.

The portfolio is concentrated: the top 10 names carry 61% of the portfolio. Turnover is modest: positions are typically held for years. Current anchor positions: ALPHABET INC-CL A, STEEL DYNAMICS INC, LAM RESEARCH CORP, IAMGOLD CORP, INTERACTIVE BROKERS GRO-CL A.

Over the last 9 quarters its long book ran on average 0.3pp per quarter ahead of the S&P 500, beating the index in 6 of 9 quarters. We rate its filings highest-signal: new buys here are worth attention.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
-4.6%
Q2 2024
+6.2%
Q3 2024
-1.2%
Q4 2024
+0.6%
Q1 2025
+7.8%
Q2 2025
+14.7%
Q3 2025
+3.0%
Q4 2025
+0.9%
Q1 2026
+16.0%

Sector allocation

Financials
27%
Industrials
23%
Technology
18%
Materials
11%
Consumer discretionary
10%
Services media
7%
Healthcare
4%
Other
0%

Long book by quarter

$351.3M
Q1 2024
$293.2M
Q2 2024
$297.2M
Q3 2024
$309.0M
Q4 2024
$329.0M
Q1 2025
$359.6M
Q2 2025
$412.4M
Q3 2025
$374.9M
Q4 2025
$346.6M
Q1 2026

What does WINMILL & own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
GOOGL ALPHABET INC-CL ATechnology108.1K$31.1M9.0%Held
STLD STEEL DYNAMICS INCIndustrials168.7K$30.4M8.8%Held
LRCX LAM RESEARCH CORPIndustrials109.0K$23.3M6.7%Held
IAG IAMGOLD CORPMaterials1.2M$22.4M6.5%Held
IBKR INTERACTIVE BROKERS GRO-CL AFinancials327.2K$21.9M6.3%Held
WSM WILLIAMS-SONOMA INCConsumer discretionary112.0K$20.4M5.9%Held
MLI MUELLER INDUSTRIES INCIndustrials169.3K$18.8M5.4%Held
NMIH NMI HOLDINGS INCFinancials396.1K$14.9M4.3%Held
YOU CLEAR SECURE INC -CLASS ATechnology289.1K$14.0M4.0%Held
LPLA LPL FINANCIAL HOLDINGS INCFinancials46.5K$14.0M4.0%-4.8%
PGR PROGRESSIVE CORPFinancials64.0K$12.7M3.7%Held
ESNT ESSENT GROUP LTDFinancials214.5K$12.5M3.6%-4.5%
HCA HCA HEALTHCARE INCHealthcare26.4K$12.5M3.6%Held
DDS DILLARDS INC-CL AConsumer discretionary21.5K$12.3M3.6%Held
URI UNITED RENTALS INCServices media15.4K$11.2M3.2%Held
QLYS QUALYS INCTechnology88.6K$7.8M2.2%New
NVR NVR INCIndustrials1.1K$7.0M2.0%Held
NUTX NUTEX HEALTH INCServices media65.3K$6.2M1.8%New
ALRM ALARM.COM HOLDINGS INCTechnology126.1K$5.4M1.6%New
MA MASTERCARD INC - AServices media10.0K$5.0M1.4%Held
UNH UNITEDHEALTH GROUP INCFinancials13.5K$3.7M1.1%-18.1%
AEM AGNICO EAGLE MINES LTDMaterials15.0K$3.0M0.9%-50.0%
AUGO AURA MINERALS INCMaterials35.0K$2.9M0.8%Held
ELV ELEVANCE HEALTH INCFinancials9.6K$2.8M0.8%Held
SSRM SSR MINING INCFinancials95.0K$2.8M0.8%New
NEM NEWMONT CORPMaterials20.3K$2.2M0.6%+12.5%
WPM WHEATON PRECIOUS METALS CORPMaterials16.7K$2.2M0.6%+6.4%
BTG B2GOLD CORPMaterials475.0K$2.2M0.6%+58.3%
RGLD ROYAL GOLD INCFinancials8.4K$2.1M0.6%Held
KGC KINROSS GOLD CORPMaterials68.5K$2.1M0.6%Held
JPM JPMORGAN CHASE & COFinancials6.8K$2.0M0.6%Held
MUX MCEWEN INCMaterials97.5K$2.0M0.6%+105.3%
TFPM TRIPLE FLAG PRECIOUS METFinancials54.0K$1.9M0.5%Held
BRK/B BERKSHIRE HATHAWAY INC-CL BFinancials2.5K$1.2M0.3%-16.7%
META META PLATFORMS INC-CLASS ATechnology1.1K$658K0.2%Held
BBW BUILD-A-BEAR WORKSHOP INCConsumer discretionary16.5K$618K0.2%Held
EVER EVERQUOTE INC - CLASS ATechnology32.4K$500K0.1%New
GOOG ALPHABET INC-CL CTechnology574$165K0.0%Held
SVVC FIRSTHAND TECHNOLOGY VALUE100$20.0%Held

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 14, 202679$346.6M canonicalSEC ↗
Q4 202513F-HRFeb 13, 202683$374.9M canonicalSEC ↗
Q3 202513F-HRNov 13, 202589$412.4M canonicalSEC ↗
Q2 202513F-HRAug 1, 202590$359.6M canonicalSEC ↗
Q1 202513F-HRMay 14, 202595$329.0M canonicalSEC ↗
Q4 202413F-HRFeb 13, 202590$309.0M canonicalSEC ↗
Q3 202413F-HR/ARESTATEMENTNov 14, 202488$297.2M canonicalSEC ↗
Q3 202413F-HRNov 13, 202487$297.0M SEC ↗
Q2 202413F-HRAug 13, 202495$293.2M canonicalSEC ↗
Q1 202413F-HRMay 14, 2024108$351.3M canonicalSEC ↗