First Bank & Trust AMTM — AMENTUM HOLDINGS INC COM

Ownership history in First Bank & Trust  ·  7 quarters on record

AI Ownership Summary

First Bank & Trust reported AMENTUM HOLDINGS INC COM (AMTM) in 7 quarterly 13F filings from 2024 Q4 through 2026 Q2. Peak portfolio weight reached 0.07% in 2025 Q4. The latest visible filing shows AMTM at 0.04% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this AMTM ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was First Bank & Trust's position in AMENTUM HOLDINGS INC COM, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q2

AMTM was reported at 0.04% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.07% in 2025 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q4 to 2026 Q2

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

AMTM stock page First Bank & Trust fund profile First Bank & Trust full holdings
How First Bank & Trust held AMTM — position size vs. price
% of Fund (quarterly)    AMTM price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 7 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 REDUCED — — — 13,029 -389 -2.9% 0.04% $269K 2026-07-09 $21.30
2026 Q1 REDUCED 5.3% -22.4% ✅ 13,418 -748 -5.3% 0.06% $350K 2026-04-10 $26.29
2025 Q4 REDUCED — — — 14,166 -62 -0.4% 0.07% $411K 2026-01-12 $34.40
2025 Q3 ADDED — — — 14,228 +185 +1.3% 0.06% $341K 2025-10-10 $23.39
2025 Q2 REDUCED — — — 14,043 -314 -2.2% 0.06% $332K 2025-07-09 $24.09
2025 Q1 ADDED — — — 14,357 +3,985 +38.4% 0.05% $261K 2025-04-28 $21.84
2024 Q4 INITIATED — — — 10,372 — — 0.04% $218K 2025-02-03 $20.40

🏢 Other funds also holding AMTM

As of 2026 Q2 — sorted by position size

Hudson Value Partners, LLC 3Y 1.3% CACTI ASSET MANAGEMENT LLC 3Y 7Y 0.91% Steadtrust LLC 0.32% BDF-GESTION 0.2% WEDGE CAPITAL MANAGEMENT L L P/NC 3Y 7Y 0.06% NEVILLE RODIE & SHAW INC 3Y 7Y 0.03% CX Institutional 3Y 7Y 0.0% GAMMA Investing LLC 0.0% Roxbury Financial LLC 0.0% ELEVATION WEALTH PARTNERS, LLC 0.0%

FAQ About First Bank & Trust and AMTM

These are the practical questions this page is built to answer before you even open the full history table.

How long has First Bank & Trust reported owning AMTM?

First Bank & Trust reported AMTM across 7 quarterly 13F filings, from 2024 Q4 through 2026 Q2.

What was the largest reported AMTM position in First Bank & Trust's portfolio?

The largest reported portfolio weight for AMTM was 0.07% in 2025 Q4.

What is the latest reported AMTM position on this page?

The most recent filing on this page is 2026 Q2, when First Bank & Trust reported 13,029 shares, equal to 0.04% of portfolio, with an estimated market value of $269K.

What does the chart on this AMTM ownership page compare?

The chart compares First Bank & Trust's quarterly AMTM portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did First Bank & Trust time their AMTM position?

Based on 13F filing dates vs. subsequent AMTM price moves, First Bank & Trust correctly timed 6 out of 6 reported position changes (100%). The annualised alpha on AMTM relative to SPY over the holding period was -13.3%.

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