Bornite Capital Management LP

Fundamental concentrated ★Signal CIK 1800641
League rank
#643
in Fundamental concentrated · #3967 overall
Long book
$594.8M
Q1 2026
Positions
17
Top-10 weight
84%
concentration
Last quarter
+11.3%
SPY +14.8%
Turnover
68%
of book per quarter

Strategy in plain words

auto-generated from filings

Bornite Capital Management LP is a concentrated fundamental stock-picker, running a $594.8M US long book across 17 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: TAIWAN SEMICONDUCTOR-SP ADR, TALEN ENERGY CORP, STEEL DYNAMICS INC, CENTURI HOLDINGS INC, CARPENTER TECHNOLOGY.

Over the last 9 quarters its long book ran on average 3.1pp per quarter ahead of the S&P 500, beating the index in 5 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
-0.0%
Q2 2024
+3.3%
Q3 2024
+5.1%
Q4 2024
+1.1%
Q1 2025
+20.4%
Q2 2025
+14.2%
Q3 2025
+2.7%
Q4 2025
+10.3%
Q1 2026
+11.3%

Sector allocation

Industrials
41%
Utilities
28%
Materials
14%
Energy
8%
Technology
7%
Communications
2%

Long book by quarter

$596.7M
Q1 2024
$607.3M
Q2 2024
$565.8M
Q3 2024
$743.6M
Q4 2024
$388.3M
Q1 2025
$998.8M
Q2 2025
$1.08B
Q3 2025
$1.02B
Q4 2025
$594.8M
Q1 2026

What does Bornite Capital own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
TLN TALEN ENERGY CORPUtilities208.8K$66.7M11.2%+1.4%
STLD STEEL DYNAMICS INCIndustrials350.0K$63.0M10.6%New
CTRI CENTURI HOLDINGS INCUtilities2.1M$61.6M10.4%New
CRS CARPENTER TECHNOLOGYIndustrials133.2K$52.5M8.8%-36.0%
AR ANTERO RESOURCES CORPEnergy1.0M$44.1M7.4%New
SKE SKEENA RESOURCES LTDMaterials1.3M$39.1M6.6%+151.1%
DY DYCOM INDUSTRIES INCIndustrials105.2K$35.6M6.0%New
META META PLATFORMS INC-CLASS ATechnology60.0K$34.3M5.8%New
PWR QUANTA SERVICES INCIndustrials60.0K$32.9M5.5%-61.4%
CENX CENTURY ALUMINUM COMPANYIndustrials542.0K$31.8M5.3%+116.8%
FCX FREEPORT-MCMORAN INCMaterials400.0K$23.5M4.0%-20.0%
LNG CHENIERE ENERGY INCUtilities58.9K$16.7M2.8%-83.6%
DC DAKOTA GOLD CORPMaterials2.0M$10.1M1.7%New
SPOT SPOTIFY TECHNOLOGY SACommunications20.0K$9.7M1.6%Held
GE GENERAL ELECTRICIndustrials6.4K$1.8M0.3%-96.9%
NAK NORTHERN DYNASTY MINERALSMaterials1.0M$1.4M0.2%-81.4%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 15, 202617$594.8M canonicalSEC ↗
Q4 202513F-HRFeb 13, 202628$1.02B canonicalSEC ↗
Q3 202513F-HRNov 7, 202535$1.08B canonicalSEC ↗
Q2 202513F-HRAug 7, 202536$998.8M canonicalSEC ↗
Q1 202513F-HRMay 12, 202528$388.3M canonicalSEC ↗
Q4 202413F-HRFeb 12, 202535$743.6M canonicalSEC ↗
Q3 202413F-HRNov 13, 202436$565.8M canonicalSEC ↗
Q2 202413F-HRAug 14, 202439$607.3M canonicalSEC ↗
Q1 202413F-HRMay 15, 202437$9.0M SEC ↗
Q1 202413F-HR/ARESTATEMENTMay 15, 202437$596.7M canonicalSEC ↗