GAMMA Investing LLC MT — ARCELORMITTAL SA LUXEMBOURG NY REGISTRY SH

Ownership history in GAMMA Investing LLC  ·  10 quarters on record

AI Ownership Summary

GAMMA Investing LLC reported ARCELORMITTAL SA LUXEMBOURG NY REGISTRY SH (MT) in 10 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 0.01% in 2025 Q1. The latest visible filing shows MT at 0.01% 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 MT ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was GAMMA Investing LLC's position in ARCELORMITTAL SA LUXEMBOURG NY REGISTRY SH, 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 Q1

MT was reported at 0.01% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.01% in 2025 Q1

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

Time in book
Holding Window
2023 Q4 to 2026 Q1

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.

MT stock page GAMMA Investing LLC fund profile GAMMA Investing LLC full holdings
How GAMMA Investing LLC held MT — position size vs. price
% of Fund (quarterly)    MT price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 3,752 +573 +18.0% 0.01% $195K 2026-04-06 $53.34
2025 Q4 ADDED — — — 3,179 +430 +15.6% 0.01% $145K 2026-01-05 $46.61
2025 Q3 ADDED — — — 2,749 +323 +13.3% 0.01% $99K 2025-10-02 $37.81
2025 Q2 REDUCED 95.6% +15.6% ❌ 2,426 -52,966 -95.6% 0.00% $77K 2025-07-14 $33.56
2025 Q1 ADDED — — — 55,392 +53,928 +3683.6% 0.01% $1.9M 2025-04-07 $23.89
2024 Q4 ADDED — — — 1,464 +595 +68.5% 0.00% $34K 2025-01-03 $21.79
2024 Q3 REDUCED — — — 869 -28 -3.1% 0.00% $23K 2024-10-07 $24.78
2024 Q2 REDUCED 17.5% +14.5% ❌ 897 -190 -17.5% 0.00% $21K 2024-07-02 $22.24
2024 Q1 REDUCED — — — 1,087 -18 -1.6% 0.01% $30K 2024-04-05 $26.27
2023 Q4 INITIATED — — — 1,105 — — 0.01% $30K 2024-02-01 $26.81

🏢 Other funds also holding MT

As of 2026 Q1 — sorted by position size

Amanah Holdings Trust 0.85% Legacy Wealth Asset Management, LLC 3Y 0.28% EVOLVE PRIVATE WEALTH, LLC 0.12% Retirement Systems of Alabama 3Y 7Y 0.12% CONTRAVISORY INVESTMENT MANAGEMENT, INC. 3Y 7Y 0.08% HIGHLAND CAPITAL MANAGEMENT, LLC 3Y 7Y 0.06% Rosenberg Matthew Hamilton 3Y 0.05% TRUST CO OF TOLEDO NA /OH/ 3Y 7Y 0.04% Versant Capital Management, Inc 3Y 7Y 0.04% Archford Capital Strategies, LLC 3Y 7Y 0.03%

FAQ About GAMMA Investing LLC and MT

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

How long has GAMMA Investing LLC reported owning MT?

GAMMA Investing LLC reported MT across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported MT position in GAMMA Investing LLC's portfolio?

The largest reported portfolio weight for MT was 0.01% in 2025 Q1.

What is the latest reported MT position on this page?

The most recent filing on this page is 2026 Q1, when GAMMA Investing LLC reported 3,752 shares, equal to 0.01% of portfolio, with an estimated market value of $195K.

What does the chart on this MT ownership page compare?

The chart compares GAMMA Investing LLC's quarterly MT 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 GAMMA Investing LLC time their MT position?

Based on 13F filing dates vs. subsequent MT price moves, GAMMA Investing LLC correctly timed 6 out of 9 reported position changes (67%). The annualised alpha on MT relative to SPY over the holding period was +20.2%.

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