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ATS Corp

ATS
Exchange
NYSE
Industry
General Industrial Machinery & Equipment, NEC
SEC CIK
0001394832

No open-market purchases or sales by ATS Corp insiders were filed in the last 90 days; 141 institutions reported holding it in 13F filings for Q2 2026, worth $2.37B in total; Fairfax Financial is the only superinvestor holding it.

13F holders, Q2 2023

Institutional positions in ATS Corp as of Jun 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
131
+128 vs. Q1 2023
Shares held
76.2M
+74.2M (+3,858.2%) vs. Q1 2023
Total value
$3.53B
+$3.45B (+4,284.3%) vs. Q1 2023
New holders
128
2 more added
Sold out
0
1 more reduced

Compare with Q1 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ATS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2023: 131 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 2 institutionsQ1 2023: 3 institutionsQ2 2023: 131 institutionsQ3 2023: 127 institutionsQ4 2023: 132 institutionsQ1 2024: 136 institutionsQ2 2024: 132 institutionsQ3 2024: 130 institutionsQ4 2024: 129 institutionsQ1 2025: 122 institutionsQ2 2025: 131 institutionsQ3 2025: 115 institutionsQ4 2025: 122 institutionsQ1 2026: 131 institutionsQ2 2026: 141 institutions
Value heldQ2 2023: $3.53B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $33.4MQ1 2023: $80.6MQ2 2023: $3.53BQ3 2023: $3.21BQ4 2023: $3.27BQ1 2024: $2.77BQ2 2024: $2.64BQ3 2024: $2.36BQ4 2024: $2.62BQ1 2025: $2.18BQ2 2025: $2.77BQ3 2025: $2.20BQ4 2025: $2.30BQ1 2026: $2.39BQ2 2026: $2.37B
Institutions holding ATS and their total value by quarter
QuarterHoldersValue
Q2 2026141$2.37B
Q1 2026131$2.39B
Q4 2025122$2.30B
Q3 2025115$2.20B
Q2 2025131$2.77B
Q1 2025122$2.18B
Q4 2024129$2.62B
Q3 2024130$2.36B
Q2 2024132$2.64B
Q1 2024136$2.77B
Q4 2023132$3.27B
Q3 2023127$3.21B
Q2 2023131$3.53B
Q1 20233$80.6M
Q4 20222$33.4M
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2023

Shares, value and share of portfolio for each institution holding ATS Corp; share changes are against Q1 2023.

Institutions holding ATS in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Victory Capital Management Inc521,546$24.0M0.03%+521,546New
Fiera Capital Corp575,470$26.5M0.08%+575,470New
Citadel Advisors LLC605,132$27.9M0.03%+605,132New
Alberta Investment Management Corp629,000$29.0M0.28%+629,000New
Bank of Montreal675,976$31.1M0.02%+675,976New
State of Wisconsin Investment Board697,687$32.1M0.09%+697,687New
Triasima Portfolio Management inc.536,472$32.7M2.07%+536,472New
Canoe Financial LP745,089$34.3M0.72%−104,163−12.3%Reduced
Perpetual Ltd804,441$37.0M0.32%+804,441New
American Century Companies Inc854,925$39.4M0.03%+854,925New
Norges Bank883,299$40.6M0.01%+883,299New
Mirae Asset Global Investments Co., Ltd.978,121$45.1M0.10%+978,121New
TD Waterhouse Canada Inc.787,227$47.3M0.47%+787,227New
Manufacturers Life Insurance Company, The1,040,151$47.8M0.03%+1,040,151New
Alliancebernstein L.P.1,131,036$52.1M0.02%+1,131,036New
Beutel, Goodman & Co Ltd.1,150,135$53.0M0.30%+1,150,135New
Waratah Capital Advisors Ltd.1,154,651$53.1M2.68%+1,154,651New
Mackenzie Financial Corp1,170,937$53.9M0.08%+1,170,937New
ACK Asset Management LLC1,221,341$56.3M7.01%+146,341+13.6%Added
Janus Henderson Group PLC1,554,233$71.6M0.04%+1,554,233New
Clearbridge Investments, LLC1,650,841$76.1M0.07%+1,650,841New
FIL Ltd1,848,598$85.1M0.10%+1,848,598New
Connor, Clark & Lunn Investment Management Ltd.1,941,692$89.3M0.45%+1,941,692New
EdgePoint Investment Group Inc.2,174,662$100.1M0.90%+2,174,662New
Turtle Creek Asset Management Inc.2,329,131$107.3M3.08%+2,329,131New
Vanguard Group Inc2,622,936$120.9M0.00%+2,622,936New
Royal Bank of Canada3,088,815$142.4M0.04%+3,088,815New
Capital World Investors4,110,014$189.1M0.04%+4,110,014New
FMR LLC4,451,613$204.8M0.02%+4,451,613New
Capital International Investors5,906,119$271.7M0.07%+5,906,119New
Mason Capital Management LLC17,849,765$822.7M80.16%+17,849,765New