American Securities LLC reported 2 positions worth $3.75B for the quarter ended Jun 30, 2026, down 4.5% on the prior quarter. It opened 0 new positions, added to 0, trimmed 1 and exited 0. Its largest holding is SOLV Energy, Inc. at 75.2% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
No positions were added to this quarter.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| MWH SOLV Energy, Inc. | -8.85M | -9.6% | $301.45M | 75.21% |
No new positions this quarter.
No positions were closed this quarter.
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | MWH SOLV Energy, Inc. | Industrials | 82.92M | $2.82B | 75.21% | -8.85M | -9.6% | Reduced | 40.97% |
| 2 | AMTM Amentum Holdings, Inc. | Industrials | 45.03M | $930.70M | 24.79% | 0 | 0.0% | Unchanged | 18.45% |
Tip. Select a row to see that position’s full history at American Securities.
As of its Q2 2026 13F filing, American Securities LLC’s five largest positions were SOLV Energy, Inc. (MWH) at 75.2%, Amentum Holdings, Inc. (AMTM) at 24.8% of the reported portfolio.
American Securities LLC reported a 13F portfolio worth $3.75B across 2 positions for Q2 2026. That is down 4.5% from the previous quarter.
Its largest sales by value were SOLV Energy, Inc. ($301.45M). It exited 0 positions entirely.
From the Form 13F-HR reports American Securities LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.