TMC the metals company Inc. Common Stock (TMC)

METAL MINING

TMC the metals company Inc. Common Stock (TMC) is listed on Nasdaq, where it has traded since September 10, 2021.

Listed On
Nasdaq
Listed Since
September 10, 2021
Employees
48
Market Cap
$1.7B

About TMC the metals company Inc. Common Stock

TMC The Metals Co Inc is a deep seabed minerals developer focused on the collection, processing and refining of polymetallic nodules found on the seafloor in international waters of the Clarion Clipperton Zone (CCZ), approximately 1,500 miles (or 2,400 kilometers) south-west of San Diego, California. The company operates as a single operating and reportable segment, namely exploration of seafloor polymetallic nodules, which includes the development of a metallurgical process to treat such seafloor polymetallic nodules.

Institutional ownership

In 13F filings for the quarter ended June 30, 2026, 205 institutions reported holding TMC, with 57.4 million shares worth $257.5 million in aggregate. The largest reported holder was First Manhattan Co. LLC, with 15.3 million shares worth $67.8 million. Of the 5 largest holders listed below, 1 opened a new position in TMC, 3 reduced their positions and 1 held its position unchanged during the quarter.

InstitutionSharesValueQuarter change
First Manhattan Co. LLC15,315,924$68MUnchanged
Citadel Advisors3,275,718$15MReduced 9.66%
Millennium Management2,935,946$13MReduced 4.25%
Anson Funds Management2,644,476$12MNew position
Baird Financial Group2,429,803$11MReduced 1.63%

Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.

Frequently asked questions

What is TMC?

TMC the metals company Inc. Common Stock (TMC) is listed on Nasdaq, where it has traded since September 10, 2021.

Who are the largest institutional holders of TMC?

In 13F filings for the quarter ended June 30, 2026, the largest reported holders of TMC were First Manhattan Co. LLC, Citadel Advisors and Millennium Management.

How many institutions own TMC?

205 institutions reported a position in TMC for the quarter ended June 30, 2026, worth $257.5 million in total.

Did institutions buy or sell TMC last quarter?

Of the 5 largest reported holders, 1 opened a new position in TMC, 3 reduced their positions and 1 held its position unchanged during the quarter. Every reported holder and its change is on the SentiSense ownership page for TMC.

Every reported institutional holder, plus insider and congressional trades in TMC, on SentiSense.