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ATS (ATS) Institutional Ownership

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$28.92 -0.94 (-3.15%)
Closing price 03:58 PM Eastern
Extended Trading
$28.87 -0.05 (-0.17%)
As of 04:10 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 Massive. 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)
73
Total
Institutional Inflows
(last 12 months)
$398.97M
Number of
Institutional Sellers
(last 12 months)
52
Total
Institutional Outflows
(last 12 months)
$152.70M
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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
5/19/2026 Bank of America Corp DE945,875$26.67M0.0%-14.0%0.964%
5/19/2026 Janus Henderson Group PLC2,297,214$64.54M0.0%+166.5%2.341%
5/18/2026 Royal Bank of Canada7,761,838$218.88M0.0%+1.5%7.912%
5/18/2026 EdgePoint Investment Group Inc.7,168,112$202.08M1.6%+4.1%7.306%
5/16/2026 The Manufacturers Life Insurance Company 74,130$2.09M0.0%-3.0%0.076%
5/16/2026 Lazard Asset Management LLC69,912$1.97M0.0%+19.7%0.071%
5/14/2026 Sei Investments Co.167,820$4.73M0.0%+70.0%0.171%
5/14/2026 State of Wyoming1,215$34K0.0%N/A0.001%
5/13/2026 First Trust Advisors LP154,403$4.35M0.0%-16.1%0.157%
5/7/2026 Van Berkom & Associates Inc.257,360$7.24M0.2%-4.4%0.262%
5/7/2026 Dimensional Fund Advisors LP122,456$3.45M0.0%+11.0%0.125%
5/4/2026 Principal Financial Group Inc.620,840$17.44M0.0%-29.3%0.633%
4/30/2026 Granite 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%
3/20/2026 Purpose Unlimited Inc.28,802$793K0.0%N/A0.029%
3/17/2026 Rockefeller Capital Management L.P.9,790$270K0.0%-65.9%0.010%
2/19/2026 Invesco Ltd.1,272,222$35.04M0.0%+6.3%1.297%
2/18/2026 Mackenzie Financial Corp758,980$21.05M0.0%-33.3%0.774%
2/18/2026 SkyView Investment Advisors LLC10,966$302K0.0%N/A0.011%
2/18/2026 XTX Topco Ltd10,640$293K0.0%-21.9%0.011%
2/18/2026 Guardian Capital LP47,063$1.30M0.0%N/A0.048%
2/18/2026 Toronto Dominion Bank81,910$2.26M0.0%+8.6%0.084%
2/18/2026 Numerai GP LLC16,305$449K0.1%N/A0.017%
2/18/2026 Millennium Management LLC75,879$2.09M0.0%+73.2%0.077%
2/18/2026 Investment Management Corp of Ontario10,116$279K0.0%N/A0.010%
2/18/2026 Janus Henderson Group PLC861,839$23.77M0.0%-4.1%0.879%
2/18/2026 AYAL Capital Advisors Ltd72,200$1.99M0.7%N/A0.074%
2/17/2026 EdgePoint Investment Group Inc.6,888,785$189.77M1.6%+8.0%7.025%
2/17/2026 Polar Asset Management Partners Inc.180,000$4.96M0.1%N/A0.184%
2/17/2026 Lazard Asset Management LLC58,426$1.61M0.0%N/A0.060%
2/17/2026 FIL Ltd53,569$1.48M0.0%N/A0.055%
2/17/2026 Russell Investments Group Ltd.8,529$235K0.0%-74.2%0.009%
2/17/2026 Royal Bank of Canada7,644,547$210.53M0.0%+8.9%7.796%
2/17/2026 Alberta Investment Management Corp1,340,265$36.92M0.1%+217.5%1.367%
2/16/2026 Verition Fund Management LLC9,192$253K0.0%N/A0.009%
2/16/2026 Mariner LLC12,167$335K0.0%+34.8%0.012%
2/16/2026 Barclays PLC5,264$145K0.0%+16.8%0.005%
2/13/2026 Stifel Financial Corp12,593$347K0.0%+3.9%0.013%
2/13/2026 Smartleaf Asset Management LLC1,052$29K0.0%N/A0.001%
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2/13/2026 Public Sector Pension Investment Board287,829$7.93M0.0%+364.9%0.294%
2/13/2026 First Trust Advisors LP184,128$5.07M0.0%+23.8%0.188%
2/13/2026 Charles Schwab Investment Management Inc.236,332$6.52M0.0%+2.5%0.241%
2/13/2026 Van Lanschot Kempen Investment Management N.V.815,031$22.45M0.2%-0.1%0.831%
2/12/2026 Northwest & Ethical Investments L.P.10,553$291K0.0%+22.5%0.011%
2/12/2026 Jane Street Group LLC22,063$608K0.0%N/A0.022%
2/12/2026 Federation des caisses Desjardins du Quebec116,404$3.20M0.0%-40.4%0.119%
2/12/2026 Dimensional Fund Advisors LP110,342$3.04M0.0%+23.7%0.113%
2/12/2026 Granite Investment Partners LLC203,876$5.62M0.3%-1.0%0.208%
2/12/2026 Bank of Montreal Can3,022,693$83.27M0.0%+187.1%3.083%
2/12/2026 Swiss National Bank164,400$4.54M0.0%+2.7%0.168%
2/11/2026 Deutsche Bank AG10,261$283K0.0%-5.8%0.010%
2/11/2026 Franklin Resources Inc.25,386$699K0.0%+60.4%0.026%
2/11/2026 Fiera Capital Corp71,007$1.96M0.0%-23.8%0.072%
2/10/2026 TD Asset Management Inc1,193,208$32.91M0.0%+1.0%1.217%
2/10/2026 Cibc World Market Inc.354,069$9.76M0.0%-4.2%0.361%
2/10/2026 CIBC Asset Management Inc131,500$3.63M0.0%-2.5%0.134%
2/10/2026 Goldman Sachs Group Inc.285,377$7.86M0.0%-43.8%0.291%
2/10/2026 Norges Bank1,079,090$29.73M0.0%N/A1.100%
2/10/2026 Savant Capital LLC11,372$313K0.0%N/A0.012%
2/9/2026 Royce & Associates LP164,500$4.53M0.0%+22.3%0.168%
2/9/2026 Legal & General Group Plc542,023$14.93M0.0%+9.6%0.553%
2/6/2026 Marathon Asset Management Ltd1,097,711$30.28M1.2%-5.9%1.119%
2/2/2026 Van 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%
1/29/2026 UBS 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%
1/27/2026 Zurcher 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%
1/22/2026 Massachusetts 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%
11/17/2025 Quarry LP1,238$32K0.0%N/A0.001%
11/17/2025 PenderFund Capital Management Ltd.20,000$523K0.1%N/A0.020%
11/17/2025 National Bank of Canada FI420,025$10.83M0.0%-4.3%0.428%
11/17/2025 Millennium Management LLC43,821$1.15M0.0%N/A0.045%
11/17/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1,109,230$29.03M0.0%-0.3%1.131%
11/17/2025 Focus Partners Wealth181,988$4.77M0.0%N/A0.186%
11/17/2025 EdgePoint Investment Group Inc.6,381,294$166.91M1.2%-0.8%6.508%
11/17/2025 Bank of America Corp DE1,251,695$32.79M0.0%+45.2%1.276%
11/17/2025 Boothbay Fund Management LLC10,170$266K0.0%+52.4%0.010%
11/17/2025 Alliancebernstein L.P.9,820$257K0.0%-29.9%0.010%
11/14/2025 Zurcher Kantonalbank Zurich Cantonalbank 91,611$2.40M0.0%+235.8%0.093%
11/14/2025 Scotia Capital Inc.209,018$5.38M0.0%+2.6%0.213%
11/13/2025 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp47,806$1.25M0.0%-5.4%0.049%
11/13/2025 Invesco Ltd.1,196,732$31.35M0.0%+0.7%1.220%
11/13/2025 UBS Group AG231,595$6.07M0.0%-10.0%0.236%
11/13/2025 Connor Clark & Lunn Investment Management Ltd.2,053,472$53.71M0.2%-13.3%2.094%
11/13/2025 Mackenzie Financial Corp1,138,559$29.78M0.0%-19.3%1.161%
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11/13/2025 Franklin Resources Inc.15,830$414K0.0%-7.5%0.016%
11/13/2025 Legal & General Group Plc494,609$12.95M0.0%+12.8%0.504%
11/13/2025 Russell Investments Group Ltd.33,085$866K0.0%+10.8%0.034%
11/13/2025 First 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%
11/12/2025 Dimensional Fund Advisors LP89,223$2.34M0.0%+15.8%0.091%
11/12/2025 Roubaix Capital LLC223,532$5.86M2.7%N/A0.228%
11/12/2025 Royce & Associates LP134,500$3.52M0.0%+7.2%0.137%
11/12/2025 Aviso 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, 146 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 120 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 13,930,806 shares in the last 24 months. This purchase volume represents approximately $398.97M in transactions.

Of the 52 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 5,224,756 shares in the last 24 months. This volume of shares sold represents approximately $152.70M in transactions.


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This page (NYSE:ATS) was last updated on 6/3/2026 by MarketBeat.com Staff.
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