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AMERICAN SECURITIES LLC (auto-surfaced)

cloneable · 31-DEC-2025 → 31-MAR-2026

AUM $3,930,257,794 · 2 positions · top-10 100.0% · SEC filing history →

13FScore 70/100 — cloning their disclosed top holdings over ~4.7y returned +13%/yr vs S&P +7%/yr (alpha +6%/yr), ahead of the market in 47% of quarters. Cloneable 13F equity book only — excludes hedges/shorts/non-US.

New positions

Issuer% bookValueSince entryConvictionBusinessTags
$MWH · SOLV Energy Inc70.1%$2,755,960,337-5%HighSOLV Energy is a US engineering, procurement and construction contractor specializing in the development, building and servicing of utility-scale solar and energy-storage projects.NASDAQ

Added to (≥+25% shares)

Issuer% bookΔ sharesSince addConvictionBusinessTags
none

Top holdings now

Issuer% bookSince entryBusinessTags
$MWH · SOLV Energy Inc70.1%-5% Q1 '26SOLV Energy is a US engineering, procurement and construction contractor specializing in the development, building and servicing of utility-scale solar and energy-storage projects.NASDAQ
$AMTM · Amentum Holdings, Inc.29.9%-2% Q4 '24Amentum provides engineering, technology, and mission-support services to U.S. government agencies and commercial clients in defense, intelligence, and infrastructure.

Since entry / add = price change to the latest close (31-MAR-2026 book marked to market). Top holdings measure from the quarter-end when the name first entered the filer's disclosed top holdings (tagged e.g. Q1 '26); new & added positions measure from this quarter's quarter-end. Based on disclosed 13F snapshots — an approximation of entry, not the manager's actual cost basis. Generated 2026-07-20 · Alpha-Investor tracker