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ATS (ATS) Institutional Ownership

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$27.01 -0.71 (-2.56%)
Closing price 09/2/2025
Extended Trading
$26.99 -0.02 (-0.07%)
As of 04:36 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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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)
87
Total
Institutional Inflows
(last 12 months)
$771.73M
Number of
Institutional Sellers
(last 12 months)
61
Total
Institutional Outflows
(last 12 months)
$485.34M
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Skip Chart & View Institutional Buying and Selling Data

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
8/15/2025 Tower Research Capital LLC TRC 8,812$281K0.0%-30.7%0.009%
8/15/2025 SkyView Investment Advisors LLC7,449$237K0.0%N/A0.008%
8/15/2025 Ewing Morris & Co. Investment Partners Ltd.31,600$1.01M0.4%+11.7%0.032%
8/15/2025 Onex Canada Asset Management Inc.19,053$608K0.1%-56.0%0.020%
8/15/2025 Moore Capital Management LP611,120$19.48M0.2%-15.4%0.626%
8/15/2025 EdgePoint Investment Group Inc.6,434,005$205.33M1.6%+28.2%6.589%
8/15/2025 Engineers Gate Manager LP8,990$287K0.0%-14.0%0.009%
8/15/2025 Boothbay Fund Management LLC6,674$213K0.0%-94.6%0.007%
8/15/2025 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp50,516$1.61M0.0%+7.8%0.052%
8/15/2025 Bank of America Corp DE861,833$27.48M0.0%-18.4%0.883%
8/14/2025 Jane Street Group LLC32,225$1.03M0.0%-23.4%0.033%
8/14/2025 Raymond James Financial Inc.1,348$43K0.0%N/A0.001%
8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1,112,974$35.42M0.1%+0.1%1.140%
8/14/2025 The Manufacturers Life Insurance Company 63,161$2.00M0.0%-48.7%0.065%
8/14/2025 Nebula Research & Development LLC11,283$360K0.0%-23.3%0.012%
8/14/2025 Lombard Odier Asset Management Switzerland SA39,572$1.26M0.1%N/A0.041%
8/14/2025 Burgundy Asset Management Ltd.1,812,147$57.69M0.6%+2.5%1.856%
8/13/2025 Cresset Asset Management LLC11,071$353K0.0%-11.2%0.011%
8/13/2025 Amundi27,180$888K0.0%-11.0%0.028%
8/13/2025 First Trust Advisors LP120,088$3.83M0.0%+2.9%0.123%
8/13/2025 Invesco Ltd.1,188,227$37.88M0.0%-15.3%1.217%
8/13/2025 1832 Asset Management L.P.824,558$26.29M0.0%-2.4%0.844%
8/13/2025 Granite Investment Partners LLC153,040$4.88M0.2%-2.9%0.157%
8/13/2025 Mackenzie Financial Corp1,410,833$45.02M0.1%+17.5%1.445%
8/13/2025 Norges Bank1,027,456$32.79M0.0%N/A1.052%
8/13/2025 Scotia Capital Inc.203,774$6.49M0.0%+3.8%0.209%
8/13/2025 Bank of Nova Scotia Trust Co.21,802$695K0.1%+23.1%0.022%
8/13/2025 Northwest & Ethical Investments L.P.29,543$941K0.0%+254.5%0.030%
8/13/2025 Russell Investments Group Ltd.29,859$950K0.0%-62.8%0.031%
8/12/2025 XTX Topco Ltd10,941$349K0.0%N/A0.011%
8/12/2025 Aviso Financial Inc.50,653$1.62M0.1%+0.9%0.052%
8/12/2025 Franklin Resources Inc.17,106$546K0.0%+7.3%0.018%
8/12/2025 Legal & General Group Plc438,440$13.97M0.0%-4.9%0.449%
8/12/2025 Swiss National Bank160,100$5.09M0.0%-1.4%0.164%
8/12/2025 Dynamic Technology Lab Private Ltd8,810$281K0.0%N/A0.009%
8/11/2025 TD Waterhouse Canada Inc.1,452,320$46.35M0.3%-13.2%1.487%
8/11/2025 Waratah Capital Advisors Ltd.118,480$3.78M0.1%-24.6%0.121%
8/8/2025 Rockefeller Capital Management L.P.18,094$577K0.0%-96.0%0.019%
8/8/2025 Fiera Capital Corp132,369$4.22M0.0%-81.7%0.136%
8/7/2025 Connor Clark & Lunn Investment Management Ltd.2,369,028$75.60M0.3%+19.9%2.426%
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8/7/2025 Scheer Rowlett & Associates Investment Management Ltd.792,305$25.29M1.6%+25.3%0.811%
8/4/2025 Hantz Financial Services Inc.8,292$264K0.0%-6.0%0.008%
8/1/2025 Envestnet Asset Management Inc.22,790$726K0.0%-82.0%0.023%
7/29/2025 Cidel Asset Management Inc.9,270$295K0.0%+11.9%0.009%
7/28/2025 TD Asset Management Inc1,278,879$40.71M0.0%+10.5%1.310%
7/25/2025 Montrusco Bolton Investments Inc.318,781$10.15M0.1%N/A0.326%
7/25/2025 Vanguard Personalized Indexing Management LLC7,316$233K0.0%N/A0.007%
7/24/2025 Aberdeen Group plc16,205$517K0.0%+21.5%0.017%
7/16/2025 Steph & Co.2,000$64K0.0%-62.4%0.002%
6/6/2025 Nicola Wealth Management LTD.523,300$13.05M1.3%+22.5%0.536%
5/28/2025 Foresight Group Ltd Liability Partnership386,294$9.63M1.4%N/A0.394%
5/19/2025 Jane Street Group LLC42,085$1.05M0.0%+29.7%0.043%
5/19/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC81,886$2.04M0.0%-2.0%0.084%
5/16/2025 Goldman Sachs Group Inc.434,044$10.82M0.0%+79.2%0.445%
5/16/2025 Front Street Capital Management Inc.288,962$7.20M1.4%+2.9%0.295%
5/16/2025 Select Equity Group L.P.242,640$6.05M0.0%N/A0.248%
5/16/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1,111,800$27.71M0.1%-5.2%1.135%
5/16/2025 EdgePoint Investment Group Inc.5,017,996$125.10M1.0%+41.7%5.123%
5/16/2025 Amundi30,538$770K0.0%+5.4%0.031%
5/15/2025 Federation des caisses Desjardins du Quebec483,488$11.81M0.1%-12.1%0.494%
5/15/2025 Royal Bank of Canada6,480,168$161.55M0.0%+21.8%6.616%
5/15/2025 Caption Management LLC17,607$439K0.0%N/A0.018%
5/14/2025 Hill City Capital LP1,299,857$32.41M2.4%N/A1.327%
5/14/2025 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp46,871$1.17M0.0%-90.0%0.048%
5/14/2025 1832 Asset Management L.P.845,052$21.07M0.0%+27.5%0.863%
5/13/2025 Aviso Financial Inc.50,201$1.25M0.1%+9.9%0.051%
5/13/2025 Burgundy Asset Management Ltd.1,768,782$44.13M0.5%+21.9%1.806%
5/13/2025 Northwest & Ethical Investments L.P.8,333$208K0.0%+27.7%0.009%
5/13/2025 Cresset Asset Management LLC12,464$311K0.0%-20.6%0.013%
5/13/2025 Russell Investments Group Ltd.80,236$2M0.0%+22.6%0.082%
5/12/2025 Nuveen LLC66,106$1.65M0.0%N/A0.067%
5/12/2025 Invesco Ltd.1,402,085$34.95M0.0%-13.0%1.432%
5/12/2025 Connor Clark & Lunn Investment Management Ltd.1,976,154$49.27M0.2%+18.2%2.018%
5/12/2025 National Bank of Canada FI422,344$10.31M0.0%-14.4%0.431%
5/12/2025 Swiss National Bank162,300$4.05M0.0%-1.3%0.166%
5/9/2025 Charles Schwab Investment Management Inc.200,610$5M0.0%+1.1%0.205%
5/9/2025 Vanguard Group Inc.3,220,572$80.28M0.0%-0.3%3.288%
5/9/2025 Scotia Capital Inc.196,261$4.79M0.0%+2.3%0.200%
5/9/2025 Bank of Nova Scotia Trust Co.17,713$442K0.0%+15.5%0.018%
5/8/2025 Alberta Investment Management Corp966,127$24.08M0.2%-11.1%0.986%
5/8/2025 Natixis Advisors LLC86,147$2.15M0.0%-8.8%0.088%
5/7/2025 Fiera Capital Corp723,111$18.04M0.1%+0.3%0.738%
5/7/2025 Mackenzie Financial Corp1,200,263$29.92M0.0%+6.0%1.225%
5/7/2025 TD Asset Management Inc1,156,862$28.83M0.0%+32.1%1.181%
5/7/2025 Van Berkom & Associates Inc.231,789$5.78M0.2%-1.6%0.237%
5/6/2025 Royce & Associates LP120,500$3.00M0.0%+59.6%0.123%
5/2/2025 Heathbridge Capital Management Ltd.323,300$8.07M3.3%-1.7%0.330%
5/2/2025 Massachusetts Financial Services Co. MA513,106$12.79M0.0%-4.8%0.524%
4/30/2025 Galibier Capital Management Ltd.806,997$20.11M6.3%+12.5%0.824%
4/29/2025 Envestnet Asset Management Inc.126,293$3.15M0.0%+14.9%0.129%
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4/28/2025 Principal Financial Group Inc.696,840$17.37M0.0%+4.3%0.711%
4/28/2025 Cidel Asset Management Inc.8,286$207K0.0%+8.5%0.008%
4/24/2025 Allspring Global Investments Holdings LLC251,058$6.26M0.0%-11.6%0.256%
4/23/2025 Steph & Co.5,317$133K0.0%+223.6%0.005%
4/22/2025 Canoe Financial LP613,299$15.29M0.2%-4.5%0.626%
4/11/2025 Procyon Advisors LLC11,084$276K0.0%+15.1%0.011%
2/20/2025 Mackenzie Financial Corp1,131,921$34.49M0.0%+24.4%1.156%
2/19/2025 Public Employees Retirement System of Ohio26,375$804K0.0%+6.1%0.027%
2/18/2025 Burgundy Asset Management Ltd.1,450,528$44.20M0.4%-0.8%1.481%
2/18/2025 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp466,879$14.22M0.1%+9.8%0.477%
(Data available from 1/1/2016 forward)

ATS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ATS shares?

During the previous two years, 148 institutional investors and hedge funds held shares of ATS. The most heavily invested institutionals were Capital International Investors ($280.53M), Turtle Creek Asset Management Inc. ($254.16M), EdgePoint Investment Group Inc. ($205.33M), Beutel Goodman & Co Ltd. ($198.61M), Royal Bank of Canada ($161.55M), Capital World Investors ($105.21M), and Vanguard Group Inc. ($80.28M).Learn more on ATS's institutional investors.

What percentage of ATS's stock is owned by institutional investors?

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

Which institutional investors have been buying ATS's stock?

Of the 121 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. ($5.44M), EdgePoint Investment Group Inc. ($3.80M), Norges Bank ($3.00M), Fairfax Financial Holdings Ltd. Can ($2.43M), Capital International Investors ($2.39M), Connor Clark & Lunn Investment Management Ltd. ($2.37M), and The Manufacturers Life Insurance Company ($1.91M).

How much institutional buying is happening at ATS?

Institutional investors have bought a total of 26,376,574 shares in the last 24 months. This purchase volume represents approximately $771.73M in transactions.

Which of ATS's major shareholders have been selling company stock?

Of the 61 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: FIL Ltd ($5.43M), The Manufacturers Life Insurance Company ($2.66M), Connor Clark & Lunn Investment Management Ltd. ($1.80M), Janus Henderson Group PLC ($1.15M), Rockefeller Capital Management L.P. ($844.64K), Fiera Capital Corp ($590.74K), and Turtle Creek Asset Management Inc. ($567.70K).

How much institutional selling is happening at ATS?

Institutional investors have sold a total of 16,146,757 shares in the last 24 months. This volume of shares sold represents approximately $485.34M in transactions.


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This page (NYSE:ATS) was last updated on 9/2/2025 by MarketBeat.com Staff
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