Hill City Capital, LP

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 13, 2026), Hill City Capital, LP reported 23 stock positions worth $2.6 billion. Its top holding was First Solar (FSLR) at 20.6% of the portfolio, followed by Mastec (MTZ, 17.7%) and Dycom Industries (DY, 12.9%). Compared with Q3 2025, it opened 2 new positions, sold out of 1, added to 6 and reduced 1. The biggest buy was a new position in Boeing (BA) and the biggest sale an exit from Spirit Aerosystems Hold Class A (SPR).

Most Recent 13F
Q2 2026
Location
BOSTON, MA
CIK
0001837343
Portfolio Value
$2.6B (Q4 2025)
SEC Filing
0001837343-26-000002 ↗ filed Feb 13, 2026

Holdings Value

0$1.0B$2.0B$3.0B$4.0B$5.0B Q1 2024: $1.4B Q1 2024 Q2 2024: $1.4B Q2 2024 Q3 2024: $1.5B Q3 2024 Q4 2024: $1.6B Q4 2024 Q1 2025: $1.3B Q1 2025 Q2 2025: $1.9B Q2 2025 Q3 2025: $2.4B Q3 2025 Q4 2025: $2.6B $2.6B Q4 2025 Q1 2026: $2.8B Q1 2026 Q2 2026: $4.3B Q2 2026

Holdings 23 stocks · $2.6B

FSLR First Solar Inc. 20.61% 2,090,390 $546.1M Add +0.0%
MTZ Mastec Inc. 17.68% 2,155,000 $468.4M No change
DY Dycom Industries Inc. 12.88% 1,009,784 $341.2M No change
CRH CRH PLC 4.93% 1,046,000 $130.5M No change
GVA Granite Construction Inc. 4.83% 1,110,048 $128.0M No change
CX Cemex Sab-Spons ADR Part Cer 4.69% 10,802,750 $124.1M No change
ARRY Array Technologies Inc. 4.49% 12,891,300 $118.9M No change
BA The Boeing Co. 4.25% 518,483 $112.6M New
JHX James Hardie Ind PLC 4.01% 5,120,200 $106.2M Add +21.4%
CTRI Centuri Holdings Inc. 3.84% 4,030,000 $101.8M Add +5.2%
IP International Paper Co. 3.61% 2,430,000 $95.7M Add +19.7%
ENS Enersys 2.59% 467,500 $68.6M No change
MMM 3M Co. 2.24% 370,000 $59.2M No change
ATKR Atkore Inc. 1.74% 728,206 $46.1M No change
ATS Ats Corp. 1.72% 1,649,857 $45.4M No change
CNM Core & Main Inc. Class A 1.56% 797,000 $41.4M Add +2.8%
BLDR Builders Firstsource Inc. 0.93% 240,000 $24.7M No change
WMS Advanced Drainage Systems Inc. 0.87% 160,000 $23.2M Add +6.7%
TREX Trex Company Inc. 0.73% 552,000 $19.4M New
TFII Tfi International Inc. 0.57% 145,000 $15.0M No change
WBI Waterbridge Infrastruc Class A 0.53% 700,000 $14.0M No change
SITE Siteone Landscape Supply Inc. 0.47% 99,200 $12.4M Reduce -1.1%
SABR Sabre Corp. 0.24% 4,667,000 $6.3M No change

Portfolio Sells Q3 2025 → Q4 2025

SPR Spirit Aerosystems Hold Class A Sold out 0.00% −4.33
SITE Siteone Landscape Supply Inc. Reduce -1.1% 0.47% −0.08

Portfolio Buys Q3 2025 → Q4 2025

BA The Boeing Co. New 4.25% +4.25
FSLR First Solar Inc. Add +0.0% 20.61% +1.12
TREX Trex Company Inc. New 0.73% +0.73
JHX James Hardie Ind PLC Add +21.4% 4.01% +0.58
CTRI Centuri Holdings Inc. Add +5.2% 3.84% +0.41
WMS Advanced Drainage Systems Inc. Add +6.7% 0.87% −0.01
CNM Core & Main Inc. Class A Add +2.8% 1.56% −0.20
IP International Paper Co. Add +19.7% 3.61% −0.37

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026Amended 28$4.3BMTZ, FSLR, DY, DPC, STM
Q1 2026 23$2.8BMTZ, FSLR, DY, IP, GVA
Q4 2025 23$2.6BFSLR, MTZ, DY, CRH, GVA
Q3 2025 22$2.4BFSLR, MTZ, DY, CRH, GVA
Q2 2025 19$1.9BMTZ, FSLR, DY, SPR, GVA
Q1 2025 17$1.3BMTZ, SPR, FSLR, DY, CRH
Q4 2024 19$1.6BMTZ, SPR, FSLR, DY, TGI
Q3 2024 22$1.5BMTZ, SPR, DY, FSLR, CRH
Q2 2024 24$1.4BMTZ, SPR, ARRY, DY, FSLR
Q1 2024 22$1.4BSPR, MTZ, ARRY, CRH, DY