ArcelorMittal S.A. (MT) Ownership

NYSE: MTTop holders, insider trades and short interest.

MT ownership summary

as of October 18, 2026
Institutions
5.0%
of shares outstanding
Insiders
0.00%
of shares outstanding
Shares outstanding
751.9M
Float
826.4M
shares available to trade
Short interest
0.23%
931K shares short
Days to cover
0.78
short interest down 38.0% vs prior month
  • Institutions 4.96%
  • Other investors 95.04%

MT top institutional holders

20 largest
ArcelorMittal S.A. top institutional holders
#Holder% of sharesSharesValueChangeReported
1FMR Inc1.51%11.4M$718.2M+9.8M (+631.4%)June 30, 2026
2Dimensional Fund Advisors, Inc.0.43%3.3M$205.1M+20,866 (+0.6%)June 30, 2026
3Maple Rock Capital Partners, Inc.0.29%2.2M$138.1M+776,595 (+54.9%)June 30, 2026
4Morgan Stanley - Brokerage Accounts0.20%1.5M$94.8M−503,844 (−25.1%)June 30, 2026
5BlackRock Inc0.20%1.5M$92.8M+41,696 (+2.9%)June 30, 2026
6The Goldman Sachs Group Inc0.17%1.3M$81.9M−23,423 (−1.8%)June 30, 2026
7Castle Hook Partners LP0.17%1.3M$81.3M+1.3M (0.0%)June 30, 2026
8Bank of New York Mellon Corp0.13%942K$59.4M−162,361 (−14.7%)June 30, 2026
9Connor Clark & Lunn Inv Mgmt Ltd0.12%934K$58.9M+43,710 (+4.9%)June 30, 2026
10American Century Companies Inc0.11%828K$52.2M+81,125 (+10.9%)June 30, 2026
11Man Group PLC0.10%756K$47.7M+178,164 (+30.8%)June 30, 2026
12Retirement Systems of Alabama0.09%674K$42.5M—June 30, 2026
13Bank of America Corp0.07%525K$33.1M−145,328 (−21.7%)June 30, 2026
14Scopus Asset Management, LLC0.07%500K$31.5M+500,000 (0.0%)June 30, 2026
15Northern Trust Corp0.07%496K$31.2M−122,542 (−19.8%)June 30, 2026
16Van Eck Associates Corporation0.06%473K$29.8M−96,829 (−17.0%)June 30, 2026
17Merewether Investment Management, LP0.05%391K$24.7M+363,233 (+1,289.3%)June 30, 2026
18Quantinno Capital Management LP0.05%369K$23.3M+32,940 (+9.8%)June 30, 2026
19Capital Wealth Planning, LLC0.05%350K$22.1M+150,574 (+75.3%)June 30, 2026
20Royal Bank of Canada0.05%346K$21.8M−95,560 (−21.7%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 13.3M shares and 7 cut 1.1M.

MT top mutual fund and ETF holders

20 largest
ArcelorMittal S.A. top fund holders
#Holder% of sharesSharesValueChangeReported
1Fidelity Puritan0.40%3.0M$189.6M+344,100 (+12.9%)July 31, 2026
2Fidelity OTC0.21%1.6M$101.7M—August 31, 2026
3Fidelity Advisor Equity Growth I0.16%1.2M$77.6M−17,900 (−1.4%)August 31, 2026
4Schwab Fundamental International Eq ETF0.16%1.2M$74.2M+1,736 (+0.1%)September 30, 2026
5Fidelity VIP Growth Initial0.15%1.1M$72.0M—August 31, 2026
6Schwab International Equity ETF™0.13%971K$61.2M—September 30, 2026
7American Beacon GLG Natrl Res ETF0.11%829K$52.2M—September 30, 2026
8DFA International Core Equity 2 I0.11%804K$50.7M—August 31, 2026
9Harbor International Institutional0.10%760K$47.9M−19,511 (−2.5%)June 30, 2026
10Avantis International Equity ETF0.10%734K$46.3M—September 30, 2026
11Dimensional International Value ETF0.08%623K$39.3M—September 30, 2026
12Fidelity Growth Discovery0.08%618K$39.0M−9,100 (−1.5%)August 31, 2026
13Fidelity Advisor Diversified Stock O0.07%551K$34.7M—August 31, 2026
14DFA International Value I0.06%488K$30.8M+2,713 (+0.6%)April 30, 2026
15Amplify CWP International Enh Div IncETF0.06%455K$28.7M+993 (+0.2%)September 30, 2026
16BNY Mellon Natural Resources I0.05%364K$23.0M−132,460 (−26.7%)August 31, 2026
17Schwab International Index0.04%288K$18.1M—August 31, 2026
18Schwab Fundamental Intl Equity Index Fd0.04%281K$17.7M—August 31, 2026
19BlackRock Resources & Commdty0.03%224K$14.1M−2,159 (−1.0%)June 30, 2026
20Fidelity Puritan K60.03%216K$13.6M+24,270 (+12.7%)July 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

MT insider transactions

latest 1
ArcelorMittal S.A. insider transactions
DateNameTransactionPriceSharesValue
2021-02-11ArcelormittalSell$16.1240,000,000$644.8M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

MT shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns MT

Institutional investors own 5.0% of ArcelorMittal's shares and insiders 0.00%. The largest holder is FMR Inc with 1.51% of the shares (11.4M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 7 reduced their stake in the latest filings. Short interest is 0.23% of the float, or 0.78 days of average trading volume. The share count rose 1.4% since 2014.

Related: MT analyst forecast, MT key metrics, MT dividend history. See the MT stock overview for the latest quote and news.

MT ownership FAQ

Who owns the most ArcelorMittal stock?

The largest shareholders of ArcelorMittal are FMR Inc (1.51%), Dimensional Fund Advisors, Inc. (0.43%), Maple Rock Capital Partners, Inc. (0.29%), Morgan Stanley - Brokerage Accounts (0.20%), BlackRock Inc (0.20%).

What percentage of ArcelorMittal is owned by institutions?

Institutions hold 5.0% of ArcelorMittal's shares outstanding; insiders hold 0.00%.

Which funds own ArcelorMittal?

The largest fund holders of ArcelorMittal are Fidelity Puritan (0.40%), Fidelity OTC (0.21%), Fidelity Advisor Equity Growth I (0.16%), Schwab Fundamental International Eq ETF (0.16%), Fidelity VIP Growth Initial (0.15%).

What is ArcelorMittal's short interest?

931K shares of ArcelorMittal were sold short, 0.23% of the float; at the average daily volume it would take 0.78 days to cover.

Are insiders buying or selling ArcelorMittal?

Of the latest 1 reported insider transactions in ArcelorMittal (since February 11, 2021), 0 were purchases and 1 were sales.

How many shares of ArcelorMittal are outstanding?

ArcelorMittal has 751.9M shares outstanding, of which 826.4M are in the public float.

Steel: ownership