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MT Institutional Ownership & 13F Holders | SmartMoneyDB

MTARCELORMITTAL SA LUXEMBOURG

NY REGISTRY SH · CUSIP 03938L203

Smart Money Ownership

Of the 8 tracked institutions holding MT, 3 have a 3-year clone track record — 3 of them beat the S&P. Average holder's clone alpha: +7.0pt. It's a gauge of who owns the name, not just how many.

Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →

MT (ARCELORMITTAL SA LUXEMBOURG) Institutional Ownership Summary

Among the 8 tracked institutional investors we monitor, MT (ARCELORMITTAL SA LUXEMBOURG) is held with a combined value of $217.83M across 4,190,556 shares. The largest holder is FMR LLC with a position worth $80.96M. 2 funds increased their holdings. 6 funds reduced their position.

Total Institutional Value

$217.83M

Total Shares Held

4,190,556

Institutional Holders

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

FMR LLC+13% shares~$9.4M AQR CAPITAL MANAGEMENT LLC+17% shares~$2.1M

Biggest Sellers

MILLENNIUM MANAGEMENT LLC−85% shares~$79.7M BlackRock, Inc.−24% shares~$23.3M

13F Institutional Holders

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MILLENNIUM MANAGEMENT LLC

0.01% of book-84.5%

$14.62M

AQR CAPITAL MANAGEMENT LLC

0.01% of book+17.3%

$14.37M

WELLINGTON MANAGEMENT GROUP LLP

RENAISSANCE TECHNOLOGIES LLC

0.00% of book-73.5%

$1.67M

#	Fund	Value↓	Shares	Portfolio %	Change
1	FMR LLC	$80.96M	1,557,559	0.00%	+13.1%
2	BlackRock, Inc.	$74.31M	1,429,558	0.00%	-23.9%
3	CITADEL ADVISORS LLC	$20.63M	396,857	0.01%	-25.9%
4	MILLENNIUM MANAGEMENT LLC	$14.62M	281,317	0.01%	-84.5%
5	AQR CAPITAL MANAGEMENT LLC	$14.37M	276,388	0.01%	+17.3%
6	WELLINGTON MANAGEMENT GROUP LLP	$8.30M	159,761	0.00%	-28.5%
7	STATE STREET CORP	$2.97M	57,045	0.00%	-0.6%
8	RENAISSANCE TECHNOLOGIES LLC	$1.67M	32,071	0.00%	-73.5%

Congress Trading

2 members · 3 disclosed trades in MT

Member	Type	Amount	Date
Alan Armstrong	Buy	$1,001 - $15,000	Mar 30, 2026
Lisa McClain	Sell	$1,001 - $15,000	Aug 4, 2025
Lisa McClain	Buy	$1,001 - $15,000	Jun 24, 2025

Frequently Asked Questions

Which institutional investors own the most MT stock?

As of the latest SEC 13F filings, FMR LLC is the largest institutional holder of MT with a position worth $80.96M, representing 0.00% of their portfolio. In total, 8 institutional investors hold MT with a combined value of $217.83M.

What percentage of MT is owned by institutional investors?

Institutional investors hold $217.83M worth of MT stock across 8 positions. The largest institutional holder is FMR LLC with $80.96M in holdings.

What is a 13F filing and why does it matter for MT?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For MT, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track MT institutional moves

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