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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, Q1 2024

Institutional positions in ATS Corp as of Mar 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
136
+4 vs. Q4 2023
Shares held
76.2M
+614.0K (+0.8%) vs. Q4 2023
Total value
$2.77B
−$504.2M (−15.4%) vs. Q4 2023
New holders
19
69 more added
Sold out
15
41 more reduced

Compare with Q4 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 holdersQ1 2024: 136 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 heldQ1 2024: $2.77B
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, Q1 2024

Shares, value and share of portfolio for each institution holding ATS Corp; share changes are against Q4 2023.

Institutions holding ATS in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Nuveen Asset Management, LLC396,127$13.3M0.00%+262,722+196.9%Added
1832 Asset Management L.P.439,400$14.8M0.03%+208,200+90.1%Added
Legal & General Group Plc450,783$15.2M0.00%+40,039+9.7%Added
Marshall Wace, LLP501,500$16.9M0.03%+501,500New
Fiera Capital Corp534,665$18.0M0.05%+97,321+22.3%Added
T. Rowe Price Investment Management, Inc.548,385$18.5M0.01%+75,864+16.1%Added
Morgan Stanley573,413$19.3M0.00%+118,629+26.1%Added
Massachusetts Financial Services Co585,107$19.7M0.01%+75,262+14.8%Added
American Century Companies Inc608,295$20.5M0.01%−304,569−33.4%Reduced
Agf Management Ltd609,126$20.5M0.11%+372,297+157.2%Added
Bank of Montreal575,741$20.7M0.01%−75,110−11.5%Reduced
Aviva PLC615,255$20.7M0.07%−32,444−5.0%Reduced
Rockefeller Capital Management L.P.621,260$20.9M0.06%−72,301−10.4%Reduced
Alberta Investment Management Corp646,400$21.8M0.22%00.0%Unchanged
Canoe Financial LP686,879$23.1M0.38%−12,676−1.8%Reduced
TD Asset Management Inc692,182$23.3M0.02%+54,665+8.6%Added
Mirae Asset Global Investments Co., Ltd.745,616$29.9M0.06%−238,079−24.2%Reduced
Norges Bank957,821$32.2M0.01%+13,905+1.5%Added
Beutel, Goodman & Co Ltd.1,149,239$38.7M0.20%−16,580−1.4%Reduced
Alliancebernstein L.P.1,149,275$38.8M0.01%−81,753−6.6%Reduced
Federation des caisses Desjardins du Quebec865,315$39.3M0.28%+404,392+87.7%Added
Mackenzie Financial Corp1,176,012$39.6M0.06%−26,042−2.2%Reduced
Janus Henderson Group PLC1,176,403$39.6M0.02%−372,163−24.0%Reduced
Manufacturers Life Insurance Company, The1,377,518$46.4M0.04%+860,234+166.3%Added
ACK Asset Management LLC1,540,000$51.9M6.05%+235,020+18.0%Added
TD Waterhouse Canada Inc.1,166,574$53.1M0.40%+86,325+8.0%Added
Clearbridge Investments, LLC1,584,250$53.4M0.04%−34,175−2.1%Reduced
Royal Bank of Canada2,344,724$79.1M0.02%−266,429−10.2%Reduced
Connor, Clark & Lunn Investment Management Ltd.2,374,922$80.0M0.34%−343,933−12.6%Reduced
Vanguard Group Inc2,916,009$98.3M0.00%+32,123+1.1%Added
EdgePoint Investment Group Inc.3,560,512$119.9M0.95%+909,149+34.3%Added
Turtle Creek Asset Management Inc.3,875,730$130.7M3.19%+982,700+34.0%Added
FMR LLC4,567,471$153.7M0.01%−375,113−7.6%Reduced
Capital World Investors4,578,084$154.1M0.03%+107,351+2.4%Added
Capital International Investors8,336,811$280.5M0.06%+1,325,247+18.9%Added
Mason Capital Management LLC14,349,765$654.1M89.86%−3,500,000−19.6%Reduced
Waratah Capital Advisors Ltd.0$00.00%−167,642−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−79,082−100.0%Sold out
O'Shaughnessy Asset Management, LLC0$00.00%−41,264−100.0%Sold out
Fairfax Financial Holdings LtdSuperinvestorFairfax Financial0$00.00%−40,000−100.0%Sold out
K.J. Harrison & Partners Inc0$00.00%−35,850−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−34,215−100.0%Sold out
Whalen Wealth Management Inc.0$00.00%−9,927−100.0%Sold out
Psagot Value Holdings Ltd. / (Israel)0$00.00%−5,500−100.0%Sold out
Investment Management Corp of Ontario0$00.00%−6,946−100.0%Sold out
PCJ Investment Counsel Ltd.0$00.00%−6,335−100.0%Sold out
Lazard Asset Management LLC0$00.00%−1,291−100.0%Sold out
Jones Financial Companies LLLP0$00.00%−118−100.0%Sold out
REAP Financial Group, LLC0$00.00%−59−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−32−100.0%Sold out
Advisory Services Network, LLC0$00.00%−25−100.0%Sold out