ATS Corporation (ATS)

ATS Corporation (ATS) is listed on the New York Stock Exchange, where it has traded since August 4, 2010.

Listed On
the New York Stock Exchange
Listed Since
August 4, 2010
Employees
7,000
Market Cap
$1.9B

About ATS Corporation

ATS Corp is engaged in planning, designing, building, commissioning and servicing automated manufacturing systems - including automation products and test solutions - for a broadly diversified base of customers. The company focuses in five key markets: life sciences, food & beverage, transportation, consumer products and energy. The Company's operations are reported as one operating segment, Automation Systems, which plans, allocates resources, builds capabilities and implements practices on a world-wide basis. The company has presence in Canada, United States, Germany, Italy, Other Europe, and Other.

Institutional ownership

In 13F filings for the quarter ended June 30, 2026, 136 institutions reported holding ATS, with 81.6 million shares worth $2.4 billion in aggregate. The largest reported holder was Mason Capital Management, with 16.4 million shares worth $472.1 million. Of the 5 largest holders listed below, 2 added shares, 2 reduced their positions and 1 held its position unchanged during the quarter.

InstitutionSharesValueQuarter change
Mason Capital Management16,404,170$472MUnchanged
Royal Bank of Canada7,881,423$227MAdded 1.54%
Edgepoint Investment Group7,004,577$202MReduced 2.28%
Beutel, Goodman & Co Ltd4,796,922$138MReduced 12.06%
Vanguard3,485,509$100MAdded 1.32%

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 ATS?

ATS Corporation (ATS) is listed on the New York Stock Exchange, where it has traded since August 4, 2010.

Who are the largest institutional holders of ATS?

In 13F filings for the quarter ended June 30, 2026, the largest reported holders of ATS were Mason Capital Management, Royal Bank of Canada and Edgepoint Investment Group.

How many institutions own ATS?

136 institutions reported a position in ATS for the quarter ended June 30, 2026, worth $2.4 billion in total.

Did institutions buy or sell ATS last quarter?

Of the 5 largest reported holders, 2 added shares, 2 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 ATS.

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