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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 2026

Institutional positions in ATS Corp as of Mar 31, 2026. 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
+11 vs. Q4 2025
Shares held
85.1M
+6.39M (+8.1%) vs. Q4 2025
Total value
$2.39B
+$214.3M (+9.8%) vs. Q4 2025
New holders
24
45 more added
Sold out
13
40 more reduced

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: 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 2026: 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 heldQ1 2026: $2.39B
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 2026

Shares, value and share of portfolio for each institution holding ATS Corp; share changes are against Q4 2025.

Institutions holding ATS in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Leonteq Securities AG4$1570.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd17$4790.00%+17New
Bell Investment Advisors, Inc20$5640.00%00.0%Unchanged
Jones Financial Companies LLLP36$1.01K0.00%00.0%Unchanged
Root Financial Partners, LLC40$1.13K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC56$1.58K0.00%−13−18.8%Reduced
BlackRock, Inc.58$1.64K0.00%00.0%Unchanged
WealthCollab, LLC89$2.51K0.00%00.0%Unchanged
Bank of Jackson Hole Trust113$3.19K0.00%−24−17.5%Reduced
Wellington-Altus USA Inc.125$3.60K0.00%+125New
Larson Financial Group LLC198$5.58K0.00%+77+63.6%Added
GWM Advisors LLC214$6.03K0.00%+214New
Farther Finance Advisors, LLC263$7.60K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.354$9.98K0.00%+324+1,080.0%Added
Pacer Advisors, Inc.330$10.0K0.00%−8−2.4%Reduced
Hillsdale Investment Management Inc.600$16.9K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.733$20.7K0.00%00.0%Unchanged
JPMorgan Chase & Co963$26.1K0.00%+410+74.1%Added
Smartleaf Asset Management LLC1,052$28.5K0.00%00.0%Unchanged
State of Wyoming1,215$34.3K0.00%+1,215New
Wells Fargo & Company1,507$42.4K0.00%+796+112.0%Added
Hantz Financial Services, Inc.2,717$77.0K0.00%+2,544+1,470.5%Added
Russell Investments Group, Ltd.2,828$79.5K0.00%−5,701−66.8%Reduced
Barclays PLC2,978$84.0K0.00%−2,286−43.4%Reduced
Acadian Asset Management LLC5,400$151.0K0.00%+5,400New
Gotham Asset Management, LLC7,671$216.3K0.00%+7,671New
Tower Research Capital LLC (TRC)7,900$222.8K0.01%+7,900New
Brinker Capital Investments, LLC7,994$225.4K0.00%+7,994New
Brevan Howard Capital Management LP8,424$237.6K0.00%+8,424New
Campbell & CO Investment Adviser LLC8,427$237.6K0.01%−378−4.3%Reduced
Alliancebernstein L.P.8,960$246.8K0.00%00.0%Unchanged
Marshall Wace, LLP9,920$279.7K0.00%+9,920New
Deutsche Bank AG10,752$303.2K0.00%+491+4.8%Added
SkyView Investment Advisors, LLC10,966$309.0K0.04%00.0%Unchanged
Northwest & Ethical Investments L.P.10,983$309.4K0.01%+430+4.1%Added
Investment Management Corp of Ontario11,716$330.4K0.00%+1,600+15.8%Added
Stifel Financial Corp11,891$335.3K0.00%−702−5.6%Reduced
TRUE Private Wealth Advisors12,080$340.7K0.03%00.0%Unchanged
Savant Capital, LLC12,657$356.9K0.00%+1,285+11.3%Added
Engineers Gate Manager LP13,052$368.0K0.00%+13,052New
Balyasny Asset Management LLC14,124$398.3K0.00%+14,124New
Mariner, LLC16,237$457.9K0.00%+4,070+33.5%Added
Pictet Asset Management Holding SA16,423$461.4K0.00%+417+2.6%Added
Vanguard Investments Australia, Ltd.19,315$544.4K0.00%+19,315New
PenderFund Capital Management Ltd.20,000$563.7K0.09%00.0%Unchanged
ExodusPoint Capital Management, LP22,050$621.8K0.01%+22,050New
Van Eck Associates Corp24,271$684.0K0.00%+10,700+78.8%Added
Standard Life Aberdeen plc26,237$739.9K0.00%+6,230+31.1%Added
SIG North Trading, ULC26,275$741.0K0.15%−3,067−10.5%Reduced
Citigroup Inc26,816$753.4K0.00%+1,667+6.6%Added
Public Employees Retirement System of Ohio27,335$767.8K0.00%+120+0.4%Added
Numerai GP LLC27,538$776.6K0.08%+11,233+68.9%Added
Purpose Unlimited Inc.28,567$805.2K0.03%−235−0.8%Reduced
D. E. Shaw & Co., Inc.30,200$851.0K0.00%−77,900−72.1%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)31,450$883.6K0.00%−33,189−51.3%Reduced
Bank of Nova Scotia Trust Co34,332$968.2K0.08%+3,818+12.5%Added
Aviso Financial Inc.45,760$1.29M0.05%−5,965−11.5%Reduced
Guardian Capital LP46,955$1.32M0.03%−108−0.2%Reduced
PCJ Investment Counsel Ltd.50,000$1.41M0.40%+50,000New
Goldman Sachs Group Inc52,251$1.47M0.00%−233,126−81.7%Reduced
Intact Investment Management Inc.53,389$1.50M0.04%+53,389New
Caldwell Investment Management Ltd.60,800$1.65M0.65%00.0%Unchanged
Nuveen, LLC62,584$1.76M0.00%00.0%Unchanged
Vanguard Asset Management, Ltd66,830$1.88M0.00%+66,830New
Lazard Asset Management LLC69,912$1.97M0.00%+11,486+19.7%Added
Geode Capital Management, LLC68,798$1.97M0.00%+9,543+16.1%Added
British Columbia Investment Management Corp70,422$1.99M0.01%+26,669+61.0%Added
Manufacturers Life Insurance Company, The74,130$2.09M0.00%−2,296−3.0%Reduced
Citadel Advisors LLC81,239$2.29M0.00%−67,601−45.4%Reduced
Jane Street Group, LLC82,641$2.33M0.00%+60,578+274.6%Added
Louisbourg Investments Inc.84,855$2.39M0.45%−122,275−59.0%Reduced
Canoe Financial LP87,430$2.46M0.03%+6,830+8.5%Added
Toronto Dominion Bank93,175$2.63M0.01%+11,265+13.8%Added
Morgan Stanley100,390$2.83M0.00%+78,899+367.1%Added
Harbor Capital Advisors, Inc.103,168$2.91M0.24%+103,168New
Federation des caisses Desjardins du Quebec113,047$3.16M0.01%−3,357−2.9%Reduced
Dimensional Fund Advisors LP122,456$3.45M0.00%+12,114+11.0%Added
CIBC Asset Management Inc134,186$3.77M0.01%+2,686+2.0%Added
Candelo Capital Management LP151,688$4.27M4.30%+126,988+514.1%Added
Delaney Capital Management Ltd.154,077$4.33M0.70%+1,040+0.7%Added
First Trust Advisors LP154,403$4.35M0.00%−29,725−16.1%Reduced
Swiss National Bank164,400$4.63M0.00%00.0%Unchanged
SEI Investments Co167,820$4.73M0.00%+69,078+70.0%Added
Montrusco Bolton Investments Inc.170,956$4.80M0.07%−83,725−32.9%Reduced
Granite Investment Partners, LLC173,031$4.88M0.30%−30,845−15.1%Reduced
ArrowMark Colorado Holdings LLC174,000$4.91M0.13%+174,000New
Royce & Associates LP179,500$5.06M0.05%+15,000+9.1%Added
Colony Group, LLC181,975$5.13M0.01%00.0%Unchanged
Scotia Capital Inc.192,530$5.38M0.02%−2,489−1.3%Reduced
Dixon Mitchell Investment Counsel Inc.211,025$5.93M0.21%00.0%Unchanged
Waratah Capital Advisors Ltd.223,983$6.32M0.57%+223,983New
UBS Group AG227,628$6.42M0.00%−1,146−0.5%Reduced
Charles Schwab Investment Management Inc238,654$6.71M0.00%+2,322+1.0%Added
Franklin Resources Inc247,467$6.98M0.00%+222,081+874.8%Added
Van Berkom & Associates Inc.257,360$7.24M0.24%−11,776−4.4%Reduced
Vanguard Global Advisers, LLC258,998$7.30M0.00%+258,998New
Front Street Capital Management, Inc.261,088$7.36M0.98%−25,906−9.0%Reduced
Invesco Ltd.343,176$9.68M0.00%−929,046−73.0%Reduced
CIBC World Markets Inc.346,606$9.77M0.02%−7,463−2.1%Reduced
Public Sector Pension Investment Board356,837$10.1M0.03%+69,008+24.0%Added