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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, Q3 2024

Institutional positions in ATS Corp as of Sep 30, 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
130
−1 vs. Q2 2024
Shares held
81.0M
−638.7K (−0.8%) vs. Q2 2024
Total value
$2.36B
−$279.5M (−10.6%) vs. Q2 2024
New holders
19
57 more added
Sold out
20
42 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 130 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 heldQ3 2024: $2.36B
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: $3.30BQ1 2024: $2.81BQ2 2024: $2.65BQ3 2024: $2.36BQ4 2024: $2.69BQ1 2025: $2.18BQ2 2025: $3.00BQ3 2025: $2.20BQ4 2025: $2.30BQ1 2026: $2.40BQ2 2026: $2.37B
Institutions holding ATS and their total value by quarter
QuarterHoldersValue
Q2 2026141$2.37B
Q1 2026131$2.40B
Q4 2025122$2.30B
Q3 2025115$2.20B
Q2 2025131$3.00B
Q1 2025122$2.18B
Q4 2024129$2.69B
Q3 2024130$2.36B
Q2 2024132$2.65B
Q1 2024136$2.81B
Q4 2023132$3.30B
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, Q3 2024

Shares, value and share of portfolio for each institution holding ATS Corp; share changes are against Q2 2024.

Institutions holding ATS in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Mason Capital Management LLC14,914,765$433.3M86.21%+565,000+3.9%Added
Turtle Creek Asset Management Inc.8,906,269$258.7M6.21%+3,810,531+74.8%Added
FIL Ltd7,295,489$211.7M0.19%+5,166,712+242.7%Added
Royal Bank of Canada3,855,297$112.0M0.02%+729,597+23.3%Added
EdgePoint Investment Group Inc.3,540,639$102.7M0.81%00.0%Unchanged
Vanguard Group Inc3,177,900$92.2M0.00%+216,454+7.3%Added
Capital World Investors3,107,858$90.2M0.01%−2,043,714−39.7%Reduced
Manufacturers Life Insurance Company, The2,801,025$81.3M0.07%−439,405−13.6%Reduced
ACK Asset Management LLC2,255,889$65.5M8.10%+255,889+12.8%Added
Janus Henderson Group PLC2,072,854$60.2M0.03%+2,854+0.1%Added
FMR LLC1,639,373$47.6M0.00%+142,671+9.5%Added
Invesco Ltd.1,612,914$46.9M0.01%+481,529+42.6%Added
Burgundy Asset Management Ltd.1,461,826$42.4M0.42%+1,300,263+804.8%Added
Clearbridge Investments, LLC1,382,428$40.2M0.03%+117,774+9.3%Added
Mirae Asset Global ETFs Holdings Ltd.1,186,541$34.5M0.08%−86,552−6.8%Reduced
Beutel, Goodman & Co Ltd.1,090,069$31.7M0.16%−12,980−1.2%Reduced
Alliancebernstein L.P.1,053,949$30.6M0.01%+14,245+1.4%Added
Norges Bank1,027,456$29.8M0.00%+69,635+7.3%Added
Alberta Investment Management Corp938,000$27.2M0.24%+265,900+39.6%Added
TD Waterhouse Canada Inc.924,301$26.6M0.22%−352,441−27.6%Reduced
Mackenzie Financial Corp910,105$26.4M0.04%−3,814−0.4%Reduced
Bank of Montreal687,046$20.4M0.01%−31,603−4.4%Reduced
Principal Financial Group Inc661,040$19.2M0.01%+21,500+3.4%Added
Covalis Capital LLP653,820$19.0M2.83%+558,259+584.2%Added
Canoe Financial LP623,509$18.5M0.45%−63,370−9.2%Reduced
1832 Asset Management L.P.630,991$18.3M0.03%+11,462+1.9%Added
Fiera Capital Corp584,804$17.0M0.05%+90,443+18.3%Added
Massachusetts Financial Services Co555,912$16.1M0.00%−10,498−1.9%Reduced
Federation des caisses Desjardins du Quebec556,896$16.0M0.08%−1,462,088−72.4%Reduced
Agf Management Ltd544,256$15.8M0.08%−92,876−14.6%Reduced
Nicola Wealth Management Ltd.381,100$15.0M1.19%+381,100New
Legal & General Group Plc492,760$14.3M0.00%+39,976+8.8%Added
TD Asset Management Inc473,554$14.1M0.01%−201,993−29.9%Reduced
Morgan Stanley477,689$13.9M0.00%+29,199+6.5%Added
Bank of America Corp450,730$13.1M0.00%+316,179+235.0%Added
British Columbia Investment Management Corp425,392$12.3M0.07%+180,281+73.6%Added
National Bank of Canada418,651$12.2M0.02%+94,158+29.0%Added
Aviva PLC387,844$11.3M0.03%−191,017−33.0%Reduced
Connor, Clark & Lunn Investment Management Ltd.385,666$11.2M0.05%−1,796,059−82.3%Reduced
CIBC World Markets Inc.382,784$11.1M0.03%+67,263+21.3%Added
Allspring Global Investments Holdings, LLC362,758$10.5M0.02%+3,661+1.0%Added
Rockefeller Capital Management L.P.355,340$10.3M0.03%−413,184−53.8%Reduced
Dixon Mitchell Investment Counsel Inc.336,525$9.77M0.44%+97,900+41.0%Added
CIBC Asset Management Inc325,449$9.45M0.03%+1,269+0.4%Added
Van Berkom & Associates Inc.272,829$7.93M0.22%+25,689+10.4%Added
Intact Investment Management Inc.268,010$7.78M0.26%+268,010New
Healthcare of Ontario Pension Plan Trust Fund243,902$7.09M0.02%00.0%Unchanged
Front Street Capital Management, Inc.232,585$6.76M1.09%+95,835+70.1%Added
Scotia Capital Inc.224,906$6.45M0.03%+40,635+22.1%Added
NewGen Asset Management Ltd200,000$5.81M3.17%+200,000New
Highland Peak Capital, LLC199,810$5.80M3.76%+199,810New
Charles Schwab Investment Management Inc192,877$5.60M0.00%+5,703+3.0%Added
Waratah Capital Advisors Ltd.165,027$4.79M0.29%+165,027New
Swiss National Bank163,600$4.75M0.00%−3,000−1.8%Reduced
Lombard Odier Asset Management (Europe) Ltd82,213$4.46M0.20%−834−1.0%Reduced
Jarislowsky, Fraser Ltd137,812$4.00M0.02%+43,268+45.8%Added
Galibier Capital Management Ltd.132,830$3.86M0.87%+22,000+19.9%Added
UniSuper Management Pty Ltd98,036$3.85M0.03%00.0%Unchanged
Citadel Advisors LLC123,580$3.59M0.00%+92,433+296.8%Added
Quadrature Capital Ltd118,400$3.44M0.08%+77,400+188.8%Added
First Trust Advisors LP111,401$3.23M0.00%−8,600−7.2%Reduced
Envestnet Asset Management Inc99,289$2.88M0.00%−67,114−40.3%Reduced
Toronto Dominion Bank98,281$2.86M0.01%+39,640+67.6%Added
Natixis Advisors, L.P.89,935$2.61M0.01%+7,195+8.7%Added
Goldman Sachs Group Inc84,522$2.46M0.00%−353,761−80.7%Reduced
JPMorgan Chase & Co84,474$2.45M0.00%−156,112−64.9%Reduced
UBS Asset Management Americas Inc82,518$2.40M0.00%−12,585−13.2%Reduced
D. E. Shaw & Co., Inc.70,589$2.05M0.00%+18,128+34.6%Added
Nuveen Asset Management, LLC67,643$1.96M0.00%−320,898−82.6%Reduced
Gluskin Sheff & Assoc Inc64,620$1.87M0.22%+64,620New
Royce & Associates LP62,500$1.81M0.02%+37,000+145.1%Added
Boothbay Fund Management, LLC58,789$1.71M0.05%+58,789New
Fairfax Financial Holdings LtdSuperinvestorFairfax Financial56,700$1.63M0.15%+56,700New
Caldwell Investment Management Ltd.48,100$1.43M1.00%00.0%Unchanged
Aviso Financial Inc.44,855$1.30M0.06%−604−1.3%Reduced
Two Sigma Investments, LP41,905$1.22M0.00%−42,300−50.2%Reduced
Jane Street Group, LLC40,970$1.19M0.00%+10,314+33.6%Added
Geode Capital Management, LLC38,987$1.14M0.00%+1,920+5.2%Added
Dimensional Fund Advisors LP36,984$1.07M0.00%−2,771−7.0%Reduced
Millennium Management LLC35,633$1.03M0.00%−59,678−62.6%Reduced
Marshall Wace, LLP32,338$939.4K0.00%−3,279−9.2%Reduced
Amundi30,618$914.6K0.00%00.0%Unchanged
Trexquant Investment LP31,406$912.3K0.01%+31,406New
Public Employees Retirement System of Ohio24,870$722.4K0.00%+24,870New
UBS Group AG24,534$712.7K0.00%−3,133−11.3%Reduced
PDT Partners, LLC23,702$688.5K0.06%+7,520+46.5%Added
Zurcher Kantonalbank (Zurich Cantonalbank)21,708$630.5K0.00%+4,251+24.4%Added
Aigen Investment Management, LP20,493$594.6K0.12%+3,381+19.8%Added
Numerai GP LLC19,611$569.7K0.15%+10,928+125.9%Added
Cidel Asset Management Inc18,707$543.4K0.04%+601+3.3%Added
Cresset Asset Management, LLC17,801$517.1K0.00%−2,252−11.2%Reduced
Barclays PLC17,567$510.3K0.00%+17,567New
Timelo Investment Management Inc.15,000$435.8K1.07%+15,000New
Pictet Asset Management Holding SA14,875$433.1K0.00%+1,940+15.0%Added
Franklin Resources Inc14,132$430.6K0.00%+7,850+125.0%Added
Wells Fargo & Company14,708$426.8K0.00%−10.0%Reduced
Nebula Research & Development LLC14,425$419.0K0.05%+14,425New
Dynasty Wealth Management, LLC12,619$366.6K0.01%+1,384+12.3%Added
TRUE Private Wealth Advisors12,323$358.0K0.04%00.0%Unchanged
Bank of New York Mellon Corp11,744$341.2K0.00%−2,026−14.7%Reduced