Follow-The-Filings

Security

ATS

Ats Corporation · COM

Equity holders as of 2026 Q1 (each manager’s latest book)

8 owners 3 new 1 exit max 3.6% (Prem Watsa - Fairfax Fina...)

owners 8
max % 3.6%
tracked value $197M
qoq N 3 A 1 R 2 E 1

holders

sorted by % of portfolio · long equity only · exits show last held size

manager % port activity shares value history
Prem Watsa - Fairfax Financial Holdings LTD/ Can 2026 Q1 3.6% 2,486,400 $69M hist
Vanguard Group Inc. 2025 Q4 stale 0.0% Add 0.00 pp 3,397,166 $94M hist
Norges Bank 2025 Q4 stale 0.0% Exit 0.00 pp 1,079,090 $30M hist
Ken Griffin - Citadel Advisors LLC 2026 Q1 0.0% Reduce 0.00 pp 81,239 $2M hist
D. E. Shaw & Co., Inc. 2026 Q1 0.0% Reduce 0.00 pp 30,200 $851 hist
Dmitry Balyasny - Balyasny Asset Management L.P. 2026 Q1 0.0% New 0.0% 14,124 $398 hist
Marshall Wace - Marshall Wace, LLP 2026 Q1 0.0% New 0.0% 9,920 $280 hist
Joel Greenblatt - Gotham Asset Management, LLC 2026 Q1 0.0% New 0.0% 7,671 $216 hist
Israel Englander - Millennium Management LLC exited 2026 Q1 last 2025 Q4 0.0% Exit 0.00 pp 75,879 $2M hist

ownership over time

filing count by report period · click a bar for that quarter’s holders