ATS CORP (ATS) Institutional Ownership and Insiders Activity
ATS CORP (ATS) is widely held by institutional investors, with 134 firms reporting positions valued at approximately $2.30B based on SEC Form 13F filings for the quarter ended June 30, 2026.
Mason Capital Management Llc is the largest disclosed holder, reporting approximately $472.11M in ATS holdings in its latest filing.
Institutional Holders
134
Total Reported Value
$2.30B
Largest Holder
Mason Capital Management Llc
Largest Position
$472.11M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
23
Funds Exiting Positions
15
Top Institutional Owners
View allInvestorReported Balance
- Mason Capital Management Llc$472.11M
- Royal Bank Of Canada$226.83M
- Edgepoint Investment Group Inc.$201.70M
- Beutel, Goodman & Co Ltd.$138.22M
- Turtle Creek Asset Management$88.77M
Related ATS Institutional Insights:
- ATS 13F Institutional Holders
- ATS Superinvestors
- ATS Institutional Ownership Changes
- Industrials Sector Institutional Ownership
- Industrials Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Industrials Stocks By Institutional Investors
- Most Sold Industrials Stocks By Institutional Investors
- ATS Insider Trading & SEC Form 4 Activity
- ATS Articles
- Top Institutional Investor Stock Rankings