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ATS (ATS) Institutional Ownership

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$27.86 +0.09 (+0.32%)
As of 10:11 AM Eastern
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Institutional Ownership Changes (13F Filings) for ATS (NYSE:ATS)

Current
Institutional Ownership
Percentage
75.84%
Number of
Institutional Buyers
(last 12 months)
69
Total
Institutional Inflows
(last 12 months)
$382.15M
Number of
Institutional Sellers
(last 12 months)
51
Total
Institutional Outflows
(last 12 months)
$149.27M
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ATS Institutional Buying and Selling by Quarter

ATS Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/19/2026Bank of America Corp DE945,875$26.67M0.0%-14.0%0.964%
5/19/2026Janus Henderson Group PLC2,297,214$64.54M0.0%+166.5%2.341%
5/18/2026Royal Bank of Canada7,761,838$218.88M0.0%+1.5%7.912%
5/18/2026EdgePoint Investment Group Inc.7,168,112$202.08M1.6%+4.1%7.306%
5/16/2026The Manufacturers Life Insurance Company 74,130$2.09M0.0%-3.0%0.076%
5/16/2026Lazard Asset Management LLC69,912$1.97M0.0%+19.7%0.071%
5/14/2026Sei Investments Co.167,820$4.73M0.0%+70.0%0.171%
5/14/2026State of Wyoming1,215$34K0.0%N/A0.001%
5/13/2026First Trust Advisors LP154,403$4.35M0.0%-16.1%0.157%
5/7/2026Van Berkom & Associates Inc.257,360$7.24M0.2%-4.4%0.262%
5/7/2026Dimensional Fund Advisors LP122,456$3.45M0.0%+11.0%0.125%
5/4/2026Principal Financial Group Inc.620,840$17.44M0.0%-29.3%0.633%
4/30/2026Granite Investment Partners LLC173,031$4.88M0.3%-15.1%0.176%
4/28/2026 Montrusco Bolton Investments Inc.170,956$4.80M0.1%-32.9%0.174%
4/22/2026 Pictet Asset Management Holding SA16,423$461K0.0%+2.6%0.017%
3/20/2026Purpose Unlimited Inc.28,802$793K0.0%N/A0.029%
3/17/2026Rockefeller Capital Management L.P.9,790$270K0.0%-65.9%0.010%
2/19/2026Invesco Ltd.1,272,222$35.04M0.0%+6.3%1.297%
2/18/2026Mackenzie Financial Corp758,980$21.05M0.0%-33.3%0.774%
2/18/2026SkyView Investment Advisors LLC10,966$302K0.0%N/A0.011%
2/18/2026XTX Topco Ltd10,640$293K0.0%-21.9%0.011%
2/18/2026Guardian Capital LP47,063$1.30M0.0%N/A0.048%
2/18/2026Toronto Dominion Bank81,910$2.26M0.0%+8.6%0.084%
2/18/2026Numerai GP LLC16,305$449K0.1%N/A0.017%
2/18/2026Millennium Management LLC75,879$2.09M0.0%+73.2%0.077%
2/18/2026Investment Management Corp of Ontario10,116$279K0.0%N/A0.010%
2/18/2026Janus Henderson Group PLC861,839$23.77M0.0%-4.1%0.879%
2/18/2026AYAL Capital Advisors Ltd72,200$1.99M0.7%N/A0.074%
2/17/2026EdgePoint Investment Group Inc.6,888,785$189.77M1.6%+8.0%7.025%
2/17/2026Polar Asset Management Partners Inc.180,000$4.96M0.1%N/A0.184%
2/17/2026Lazard Asset Management LLC58,426$1.61M0.0%N/A0.060%
2/17/2026FIL Ltd53,569$1.48M0.0%N/A0.055%
2/17/2026Russell Investments Group Ltd.8,529$235K0.0%-74.2%0.009%
2/17/2026Royal Bank of Canada7,644,547$210.53M0.0%+8.9%7.796%
2/17/2026Alberta Investment Management Corp1,340,265$36.92M0.1%+217.5%1.367%
2/16/2026Verition Fund Management LLC9,192$253K0.0%N/A0.009%
2/16/2026Mariner LLC12,167$335K0.0%+34.8%0.012%
2/16/2026Barclays PLC5,264$145K0.0%+16.8%0.005%
2/13/2026Stifel Financial Corp12,593$347K0.0%+3.9%0.013%
2/13/2026Smartleaf Asset Management LLC1,052$29K0.0%N/A0.001%
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2/13/2026Public Sector Pension Investment Board287,829$7.93M0.0%+364.9%0.294%
2/13/2026First Trust Advisors LP184,128$5.07M0.0%+23.8%0.188%
2/13/2026Charles Schwab Investment Management Inc.236,332$6.52M0.0%+2.5%0.241%
2/13/2026Van Lanschot Kempen Investment Management N.V.815,031$22.45M0.2%-0.1%0.831%
2/12/2026Northwest & Ethical Investments L.P.10,553$291K0.0%+22.5%0.011%
2/12/2026Jane Street Group LLC22,063$608K0.0%N/A0.022%
2/12/2026Federation des caisses Desjardins du Quebec116,404$3.20M0.0%-40.4%0.119%
2/12/2026Dimensional Fund Advisors LP110,342$3.04M0.0%+23.7%0.113%
2/12/2026Granite Investment Partners LLC203,876$5.62M0.3%-1.0%0.208%
2/12/2026Bank of Montreal Can3,022,693$83.27M0.0%+187.1%3.083%
2/12/2026Swiss National Bank164,400$4.54M0.0%+2.7%0.168%
2/11/2026Deutsche Bank AG10,261$283K0.0%-5.8%0.010%
2/11/2026Franklin Resources Inc.25,386$699K0.0%+60.4%0.026%
2/11/2026Fiera Capital Corp71,007$1.96M0.0%-23.8%0.072%
2/10/2026TD Asset Management Inc1,193,208$32.91M0.0%+1.0%1.217%
2/10/2026Cibc World Market Inc.354,069$9.76M0.0%-4.2%0.361%
2/10/2026CIBC Asset Management Inc131,500$3.63M0.0%-2.5%0.134%
2/10/2026Goldman Sachs Group Inc.285,377$7.86M0.0%-43.8%0.291%
2/10/2026Norges Bank1,079,090$29.73M0.0%N/A1.100%
2/10/2026Savant Capital LLC11,372$313K0.0%N/A0.012%
2/9/2026Royce & Associates LP164,500$4.53M0.0%+22.3%0.168%
2/9/2026Legal & General Group Plc542,023$14.93M0.0%+9.6%0.553%
2/6/2026Marathon Asset Management Ltd1,097,711$30.28M1.2%-5.9%1.119%
2/2/2026Van Berkom & Associates Inc.269,136$7.43M0.2%-0.3%0.274%
1/29/2026 Pictet Asset Management Holding SA16,006$442K0.0%+3.0%0.016%
1/29/2026UBS Group AG228,774$6.30M0.0%-1.2%0.233%
1/29/2026Vanguard Group Inc.3,397,166$93.58M0.0%+1.7%3.464%
1/29/2026 Montrusco Bolton Investments Inc.254,681$7.03M0.1%-10.3%0.260%
1/27/2026 TD Waterhouse Canada Inc.966,349$26.50M0.2%-32.4%0.985%
1/27/2026Zurcher Kantonalbank Zurich Cantonalbank64,639$1.78M0.0%-29.4%0.066%
1/23/2026 Third View Private Wealth LLC12,264$338K0.0%N/A0.013%
1/22/2026Massachusetts Financial Services Co. MA558,675$15.39M0.0%-1.9%0.570%
1/16/2026 Aberdeen Group plc20,007$551K0.0%+7.6%0.020%
11/17/2025Quarry LP1,238$32K0.0%N/A0.001%
11/17/2025PenderFund Capital Management Ltd.20,000$523K0.1%N/A0.020%
11/17/2025National Bank of Canada FI420,025$10.83M0.0%-4.3%0.428%
11/17/2025Millennium Management LLC43,821$1.15M0.0%N/A0.045%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1,109,230$29.03M0.0%-0.3%1.131%
11/17/2025Focus Partners Wealth181,988$4.77M0.0%N/A0.186%
11/17/2025EdgePoint Investment Group Inc.6,381,294$166.91M1.2%-0.8%6.508%
11/17/2025Bank of America Corp DE1,251,695$32.79M0.0%+45.2%1.276%
11/17/2025Boothbay Fund Management LLC10,170$266K0.0%+52.4%0.010%
11/17/2025Alliancebernstein L.P.9,820$257K0.0%-29.9%0.010%
11/14/2025Zurcher Kantonalbank Zurich Cantonalbank 91,611$2.40M0.0%+235.8%0.093%
11/14/2025Scotia Capital Inc.209,018$5.38M0.0%+2.6%0.213%
11/13/2025BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp47,806$1.25M0.0%-5.4%0.049%
11/13/2025Invesco Ltd.1,196,732$31.35M0.0%+0.7%1.220%
11/13/2025UBS Group AG231,595$6.07M0.0%-10.0%0.236%
11/13/2025Connor Clark & Lunn Investment Management Ltd.2,053,472$53.71M0.2%-13.3%2.094%
11/13/2025Mackenzie Financial Corp1,138,559$29.78M0.0%-19.3%1.161%
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11/13/2025Franklin Resources Inc.15,830$414K0.0%-7.5%0.016%
11/13/2025Legal & General Group Plc494,609$12.95M0.0%+12.8%0.504%
11/13/2025Russell Investments Group Ltd.33,085$866K0.0%+10.8%0.034%
11/13/2025First Trust Advisors LP148,712$3.89M0.0%+23.8%0.152%
11/12/2025Burgundy Asset Management Ltd.1,807,557$50.01M0.5%-0.3%1.843%
11/12/2025Dimensional Fund Advisors LP89,223$2.34M0.0%+15.8%0.091%
11/12/2025Roubaix Capital LLC223,532$5.86M2.7%N/A0.228%
11/12/2025Royce & Associates LP134,500$3.52M0.0%+7.2%0.137%
11/12/2025Aviso Financial Inc.52,243$1.37M0.1%+3.1%0.053%
11/12/2025 Montrusco Bolton Investments Inc.283,781$7.43M0.1%-11.0%0.289%


ATS Institutional Ownership - Frequently Asked Questions

During the previous two years, 145 institutional investors and hedge funds held shares of ATS. The most heavily invested institutionals were Turtle Creek Asset Management Inc. ($254.16M), Royal Bank of Canada ($218.88M), EdgePoint Investment Group Inc. ($202.08M), Beutel Goodman & Co Ltd. ($198.61M), Capital World Investors ($105.21M), Vanguard Group Inc. ($93.58M), and Bank of Montreal Can ($83.27M).Learn more on ATS's institutional investors.

75.84% of ATS's stock is owned by institutional investors. Learn more on ATS's institutional investor holdings.

Of the 118 institutional investors that purchased ATS's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Beutel Goodman & Co Ltd. ($5.43M), EdgePoint Investment Group Inc. ($3.68M), Norges Bank ($3.13M), Fairfax Financial Holdings Ltd. Can ($2.43M), Bank of Montreal Can ($2.14M), Connor Clark & Lunn Investment Management Ltd. ($1.98M), and Royal Bank of Canada ($1.90M).

Institutional investors have bought a total of 13,382,839 shares in the last 24 months. This purchase volume represents approximately $382.15M in transactions.

Of the 50 institutional investors that sold ATS's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: TD Waterhouse Canada Inc. ($706.75K), Fiera Capital Corp ($652.10K), Mackenzie Financial Corp ($651.85K), Rockefeller Capital Management L.P. ($450.40K), Bank of America Corp DE ($348.64K), Connor Clark & Lunn Investment Management Ltd. ($315.56K), and Principal Financial Group Inc. ($257.40K).

Institutional investors have sold a total of 5,117,407 shares in the last 24 months. This volume of shares sold represents approximately $149.27M in transactions.


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This page (NYSE:ATS) was last updated on 8/4/2026 by MarketBeat.com Staff.
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