AMERICAN SECURITIES LLC — 13F Holdings & Portfolio
CIK 1475483 · latest 13F-HR filed 2026-05-14
AMERICAN SECURITIES LLC manages $3.93B in 13F-reported U.S. long-equity assets across 2 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are MWH (70.12%), AMTM (29.88%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 1 new position, exited 0, added to 0, and trimmed 1.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$3.93B
Long-equity book
2
Distinct positions
2026-03-31
Filed 2026-05-14
+1 / −0 / ↑0 / ↓1
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-14 | $3.93B | 2 | 0001140361-26-021229 |
| 2025-12-31 | 2026-02-12 | $1.31B | 1 | 0001140361-26-004947 |
| 2025-09-30 | 2025-11-07 | $1.08B | 1 | 0001140361-25-041164 |