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Super Investors / AMERICAN SECURITIES LLC
AS

AMERICAN SECURITIES LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$3.75B
Positions
2
Quarter ended
June 30, 2026
Filed
August 26, 2026

Reported portfolio value by quarter (42 quarters reported)

$3.93B
Q2 13 Q1 18 Q2 20 Q4 22 Q1 25 Q2 26

— in Q2 2013 → $3.75B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Solv Energy Inc 75.2% Trimmed 9.6% 82,920,401 $2.82B
Amentum Holdings, Inc. 24.8% Unchanged 45,026,743 $931M

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 26, 2026

Company Action Shares changed Value of change % of portfolio
Solv Energy Inc Trimmed −8,853,170 −$301M 75.2%

Q1 2026

quarter ended March 31, 2026 · filed May 14, 2026

Company Action Shares changed Value of change % of portfolio
Solv Energy Inc New +91,773,571 +$2.76B 70.1%

Q4 2025

quarter ended December 31, 2025 · filed February 12, 2026

No position changes this quarter.

Q3 2025

quarter ended September 30, 2025 · filed November 07, 2025

No position changes this quarter.

Q2 2025

quarter ended June 30, 2025 · filed July 29, 2025

Company Action Shares changed Value of change % of portfolio
Amentum Holdings, Inc. Added +1,132,839 +$26.7M 100.0%

Q1 2025

quarter ended March 31, 2025 · filed May 12, 2025

No position changes this quarter.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
Amentum Holdings, Inc. New +43,893,904 +$923M 100.0%
N None Exited +0

Q3 2024

quarter ended September 30, 2024 · filed November 12, 2024

No position changes this quarter.

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