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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, Q4 2024

Institutional positions in ATS Corp as of Dec 31, 2024. 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
129
0 vs. Q3 2024
Shares held
85.8M
+4.84M (+6.0%) vs. Q3 2024
Total value
$2.62B
+$262.2M (+11.1%) vs. Q3 2024
New holders
14
55 more added
Sold out
14
48 more reduced

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 holdersQ4 2024: 129 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 heldQ4 2024: $2.62B
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, Q4 2024

Shares, value and share of portfolio for each institution holding ATS Corp; share changes are against Q3 2024.

Institutions holding ATS in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
1832 Asset Management L.P.662,889$20.2M0.04%+31,898+5.1%Added
Principal Financial Group Inc668,140$20.4M0.01%+7,100+1.1%Added
Galibier Capital Management Ltd.717,571$21.9M6.24%+584,741+440.2%Added
Fiera Capital Corp721,297$22.0M0.07%+136,493+23.3%Added
Bank of America Corp808,052$24.6M0.00%+357,322+79.3%Added
TD Asset Management Inc876,031$26.7M0.02%+402,477+85.0%Added
Janus Henderson Group PLC922,704$28.1M0.01%−1,150,150−55.5%Reduced
Bank of Montreal962,411$29.3M0.01%+275,365+40.1%Added
Norges Bank1,027,456$31.3M0.00%00.0%Unchanged
Alliancebernstein L.P.1,035,524$31.6M0.01%−18,425−1.7%Reduced
Alberta Investment Management Corp1,086,700$33.1M0.22%+148,700+15.9%Added
Mackenzie Financial Corp1,131,921$34.5M0.05%+221,816+24.4%Added
Mirae Asset Global ETFs Holdings Ltd.1,173,152$35.8M0.08%−13,389−1.1%Reduced
Burgundy Asset Management Ltd.1,450,528$44.2M0.45%−11,298−0.8%Reduced
TD Waterhouse Canada Inc.1,635,224$48.4M0.39%+710,923+76.9%Added
Invesco Ltd.1,611,140$49.1M0.01%−1,774−0.1%Reduced
Clearbridge Investments, LLC1,627,746$49.6M0.04%+245,318+17.7%Added
Connor, Clark & Lunn Investment Management Ltd.1,671,264$50.9M0.23%+1,285,598+333.3%Added
FIL Ltd1,865,064$56.9M0.05%−5,430,425−74.4%Reduced
ACK Asset Management LLC2,093,196$63.8M8.55%−162,693−7.2%Reduced
FMR LLC2,096,469$63.9M0.00%+457,096+27.9%Added
Fairfax Financial Holdings LtdSuperinvestorFairfax Financial2,486,400$73.9M4.75%+2,429,700+4,285.2%Added
Vanguard Group Inc3,229,265$98.5M0.00%+51,365+1.6%Added
Capital World Investors3,449,762$105.2M0.02%+341,904+11.0%Added
EdgePoint Investment Group Inc.3,540,639$107.8M0.85%00.0%Unchanged
Royal Bank of Canada5,307,964$161.8M0.03%+1,452,667+37.7%Added
Beutel, Goodman & Co Ltd.6,515,682$198.6M1.08%+5,425,613+497.7%Added
Turtle Creek Asset Management Inc.8,338,573$254.2M6.61%−567,696−6.4%Reduced
Mason Capital Management LLC14,914,765$454.6M96.62%00.0%Unchanged
Covalis Capital LLP0$00.00%−653,820−100.0%Sold out
NewGen Asset Management Ltd0$00.00%−200,000−100.0%Sold out
Highland Peak Capital, LLC0$00.00%−199,810−100.0%Sold out
Waratah Capital Advisors Ltd.0$00.00%−165,027−100.0%Sold out
Quadrature Capital Ltd0$00.00%−118,400−100.0%Sold out
Two Sigma Investments, LP0$00.00%−41,905−100.0%Sold out
Millennium Management LLC0$00.00%−35,633−100.0%Sold out
Marshall Wace, LLP0$00.00%−32,338−100.0%Sold out
PDT Partners, LLC0$00.00%−23,702−100.0%Sold out
Aigen Investment Management, LP0$00.00%−20,493−100.0%Sold out
Numerai GP LLC0$00.00%−19,611−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−8,035−100.0%Sold out
GWM Advisors LLC0$00.00%−60−100.0%Sold out
Huntington National Bank0$00.00%−47−100.0%Sold out
Banque Cantonale Vaudoise––––Not filed