§ MACHINERY
USD · Machinery

ATS

ATS CORP
USDSector · Machinery
LAST
n/a
n/aPREV CLOSE · n/a
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX

§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY

13F FLOW
84 increased/new, 44 decreased/exited (13F)
AC 13F Analysis
§ 05 · WHO OWNS IT
Top institutional holders
All holders →
FundShares% portΔ Q/Q
MASON CAPITAL MANAGEMENT LLC16.4M75.5%+5%
ROYAL BANK OF CANADA7.8M0.0%+2%
EdgePoint Investment Group Inc.7.2M1.6%+4%
TURTLE CREEK ASSET MANAGEMENT INC.4.9Mn/a−13%
BANK OF MONTREAL /CAN/3.1M0.0%+3%
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN2.5M3.6%±0%
◇ AC INTELLIGENCE

Top institutional owners for ATS as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.

§ 06 · WHO OWNS IT · BY STRATEGY

OTHER73.1% · 80 holders
DEALER / BANK13.8% · 18 holders
QUALITY / COMPOUNDER12.2% · 15 holders
PASSIVE / INDEX2.2% · 7 holders
INCOME / DEFENSIVE1.1% · 4 holders
TACTICAL / MACRO0.1% · 2 holders
ACTIVIST0.0% · 1 holder
SYSTEMATIC / QUANT0.0% · 1 holder
◇ AC INTELLIGENCE

Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.

§ 07 · INSIDER ACTIVITY · LAST 180 DAYS

NO INSIDER FILINGS
◇ AC INTELLIGENCE

No Form 4 filings on record for ATS in the last 180 days.

§ 08 · COVERAGE · OUR RECENT NOTES