Aldebaran Capital, LLC

Fundamental concentrated ★Highest signal CIK 1448430
League rank
#889
in Fundamental concentrated · #7121 overall
Long book
$130.8M
Q1 2026
Positions
43
Top-10 weight
63%
concentration
Last quarter
+4.2%
SPY +14.8%
Turnover
19%
of book per quarter

Strategy in plain words

auto-generated from filings

Aldebaran Capital, LLC is a concentrated fundamental stock-picker, running a $130.8M US long book across 43 positions.

The portfolio is concentrated: the top 10 names carry 63% of the portfolio. Turnover is modest: positions are typically held for years. Current anchor positions: BERKSHIRE HATHAWAY INC-CL B, OCCIDENTAL PETROLEUM CORP, BUNGE GLOBAL SA, ELI LILLY & CO, MICROSOFT CORP.

Over the last 9 quarters its long book ran on average 1.3pp per quarter behind the S&P 500, beating the index in 4 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
+1.7%
Q2 2024
+1.4%
Q3 2024
-2.3%
Q4 2024
+0.7%
Q1 2025
+0.6%
Q2 2025
+9.1%
Q3 2025
+3.1%
Q4 2025
+9.9%
Q1 2026
+4.2%

Sector allocation

Financials
28%
Energy
22%
Healthcare
15%
Consumer staples
8%
Technology
7%
Communications
6%
Consumer discretionary
6%
Industrials
5%

Long book by quarter

$105.0M
Q1 2024
$107.4M
Q2 2024
$109.6M
Q3 2024
$105.2M
Q4 2024
$105.7M
Q1 2025
$101.3M
Q2 2025
$108.9M
Q3 2025
$111.5M
Q4 2025
$130.8M
Q1 2026

What does Aldebaran Capital, own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
BRK/B BERKSHIRE HATHAWAY INC-CL BFinancials40.2K$19.3M14.7%0.0%
OXY OCCIDENTAL PETROLEUM CORPEnergy154.2K$10.0M7.7%-3.4%
BG BUNGE GLOBAL SAConsumer staples67.6K$8.6M6.6%-28.1%
LLY ELI LILLY & COHealthcare9.0K$8.3M6.3%-0.3%
MSFT MICROSOFT CORPTechnology20.4K$7.5M5.8%+12.2%
SU SUNCOR ENERGY INCEnergy103.5K$6.8M5.2%-10.3%
CVX CHEVRON CORPEnergy26.5K$5.5M4.2%-0.2%
BAC BANK OF AMERICA CORPFinancials104.2K$5.1M3.9%-1.1%
ACRS ACLARIS THERAPEUTICS INCHealthcare947.2K$3.6M2.7%-0.7%
CENX CENTURY ALUMINUM COMPANYIndustrials57.6K$3.4M2.6%-0.2%
CATO CATO CORP-CLASS AConsumer discretionary1.2M$3.3M2.5%+12.9%
JPM JPMORGAN CHASE & COFinancials11.3K$3.3M2.5%Held
VZ VERIZON COMMUNICATIONS INCCommunications59.9K$3.0M2.3%-0.1%
LKQ LKQ CORPConsumer discretionary102.1K$3.0M2.3%New
FCX FREEPORT-MCMORAN INCMaterials48.8K$2.9M2.2%-0.1%
AMLX AMYLYX PHARMACEUTICALS INCHealthcare197.9K$2.8M2.1%-0.3%
SIRI SIRIUS XM HOLDINGS INCCommunications115.4K$2.7M2.0%+8.5%
ENB ENBRIDGE INCEnergy39.9K$2.2M1.7%-0.6%
ZD ZIFF DAVIS INCCommunications41.2K$1.7M1.3%New
MOH MOLINA HEALTHCARE INCFinancials12.6K$1.7M1.3%-0.3%
PATK PATRICK INDUSTRIES INCIndustrials13.9K$1.5M1.2%Held
BRK/A BERKSHIRE HATHAWAY INC-CL AFinancials2$1.4M1.1%Held
TECX TECTONIC THERAPEUTIC INCHealthcare37.2K$1.1M0.9%-0.5%
RELL RICHARDSON ELEC LTDConsumer discretionary94.0K$1.0M0.8%-21.0%
2KZ0 KEZAR LIFE SCIENCES INC80.3K$596K0.5%-0.4%
PMVP PMV PHARMACEUTICALS INCHealthcare473.4K$587K0.4%-1.0%
AVIR ATEA PHARMACEUTICALS INCHealthcare89.9K$484K0.4%-0.6%
DUK DUKE ENERGY CORPORATIONUtilities3.6K$471K0.4%Held
MBIN MERCHANTS BANCORP/INFinancials10.1K$434K0.3%Held
GE General Electric CompanyIndustrials1.3K$355K0.3%Held
F FORD MOTOR COIndustrials27.5K$317K0.2%Held
GEV GE VERNOVA INCIndustrials332$290K0.2%Held
BMO BANK OF MONTREALFinancials1.7K$230K0.2%New
XOM EXXON MOBIL CORPEnergy1.2K$211K0.2%New
HURC HURCO COMPANIES INCTechnology13.7K$202K0.2%New
OKUR ONKURE THERAPEUTICS INC-AHealthcare40.4K$167K0.1%-2.1%
IMA IMAGENEBIO INCHealthcare18.6K$93K0.1%-2.6%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 7, 202643$130.8M canonicalSEC ↗
Q4 202513F-HRFeb 12, 202635$111.5M canonicalSEC ↗
Q3 202513F-HRNov 10, 202533$108.9M canonicalSEC ↗
Q2 202513F-HRAug 12, 202534$101.3M canonicalSEC ↗
Q1 202513F-HRMay 13, 202541$105.7M canonicalSEC ↗
Q4 202413F-HRFeb 12, 202537$105.2M canonicalSEC ↗
Q3 202413F-HRNov 13, 202437$109.6M canonicalSEC ↗
Q2 202413F-HRAug 13, 202436$107.4M canonicalSEC ↗
Q1 202413F-HRMay 14, 202433$105.0M canonicalSEC ↗