HoldingsChannel.com
Funds Holding ATS

On this page, we present all of the funds holding ATS from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding ATS, with a link to that fund's top holdings. The next columns indicate the amount of ATS stock held by each of the funds holding ATS, followed by the ATS position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 130 funds holding ATS within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Mason Capital Management LLC. For more details on the positions held by Mason Capital Management LLC (or by any of the other funds holding ATS), click the fund name in the "Holder" column of the funds-holding-ATS table below.

HolderAmountPosition Size
($ in 1000's)		 As of
Mason Capital Management LLC17,849,765$768,789 12/31/2023
     ATS17,849,765$768,789 12/31/2023
Capital International Investors7,011,564$302,200 12/31/2023
     ATS7,011,564$302,200 12/31/2023
FMR LLC4,942,584$213,027 12/31/2023
     ATS4,942,584$213,027 12/31/2023
Capital World Investors4,470,733$192,690 12/31/2023
     ATS4,470,733$192,690 12/31/2023
Turtle Creek Asset Management Inc.2,893,030$124,603 12/31/2023
     ATS2,893,030$124,603 12/31/2023
Vanguard Group Inc.2,883,886$124,209 12/31/2023
     ATS2,883,886$124,209 12/31/2023
Connor Clark & Lunn Investment Management Ltd.2,718,855$117,189 12/31/2023
     ATS2,718,855$117,189 12/31/2023
EdgePoint Investment Group Inc.2,651,363$114,280 12/31/2023
     ATS2,651,363$114,280 12/31/2023
Royal Bank of Canada $111,901 12/31/2023
     ATS2,611,153$112,461 12/31/2023
     Put13,000$560 12/31/2023
Clearbridge Investments LLC1,618,425$70,725 12/31/2023
     ATS1,618,425$70,725 12/31/2023
Janus Henderson Group PLC1,548,566$67,070 12/31/2023
     ATS1,548,566$67,070 12/31/2023
ACK Asset Management LLC1,304,980$56,205 12/31/2023
     ATS1,304,980$56,205 12/31/2023
Alliancebernstein L.P.1,231,028$53,020 12/31/2023
     ATS1,231,028$53,020 12/31/2023
Mackenzie Financial Corp1,202,054$51,834 12/31/2023
     ATS1,202,054$51,834 12/31/2023
Beutel Goodman & Co Ltd.1,165,819$50,492 12/31/2023
     ATS1,165,819$50,492 12/31/2023
TD Waterhouse Canada Inc.1,080,249$46,526 12/31/2023
     ATS1,080,249$46,526 12/31/2023
Mirae Asset Global Investments Co. Ltd.983,695$42,605 12/31/2023
     ATS983,695$42,605 12/31/2023
Norges Bank943,916$40,685 12/31/2023
     ATS943,916$40,685 12/31/2023
American Century Companies Inc.912,864$39,335 12/31/2023
     ATS912,864$39,335 12/31/2023
Canoe Financial LP699,555$30,151 12/31/2023
     ATS699,555$30,151 12/31/2023
Rockefeller Capital Management L.P.693,561$29,872 12/31/2023
     ATS693,561$29,872 12/31/2023
Bank of Montreal Can650,851$28,331 12/31/2023
     ATS650,851$28,331 12/31/2023
Aviva PLC647,699$28,013 12/31/2023
     ATS647,699$28,013 12/31/2023
Alberta Investment Management Corp646,400$27,996 12/31/2023
     ATS646,400$27,996 12/31/2023
TD Asset Management Inc.637,517$27,608 12/31/2023
     ATS637,517$27,608 12/31/2023
The Manufacturers Life Insurance Company 517,284$22,331 12/31/2023
     ATS517,284$22,331 12/31/2023
Massachusetts Financial Services Co. MA509,845$21,959 12/31/2023
     ATS509,845$21,959 12/31/2023
T. Rowe Price Investment Management Inc.472,521$20,352 12/31/2023
     ATS472,521$20,352 12/31/2023
Morgan Stanley454,784$19,588 12/31/2023
     ATS454,784$19,588 12/31/2023
Fiera Capital Corp437,344$18,912 12/31/2023
     ATS437,344$18,912 12/31/2023
Principal Financial Group Inc.428,980$18,580 12/31/2023
     ATS428,980$18,580 12/31/2023
Legal & General Group Plc415,872$18,038 12/31/2023
     ATS415,872$18,038 12/31/2023
National Bank of Canada FI367,925$15,554 12/31/2023
     ATS367,925$15,554 12/31/2023
Covalis Capital LLP349,968$15,157 12/31/2023
     ATS349,968$15,157 12/31/2023
FIL Ltd347,203$14,965 12/31/2023
     ATS347,203$14,965 12/31/2023
CIBC Asset Management Inc296,607$12,825 12/31/2023
     ATS296,607$12,825 12/31/2023
JPMorgan Chase & Co.281,103$12,107 12/31/2023
     ATS281,103$12,107 12/31/2023
CIBC World Markets Inc.273,370$11,788 12/31/2023
     ATS273,370$11,788 12/31/2023
Healthcare of Ontario Pension Plan Trust Fund273,602$11,786 12/31/2023
     ATS273,602$11,786 12/31/2023
Capital Group Private Client Services Inc.262,833$11,328 12/31/2023
     ATS262,833$11,328 12/31/2023
Capital International Inc.260,432$11,224 12/31/2023
     ATS260,432$11,224 12/31/2023
AGF Management Ltd.236,829$10,207 12/31/2023
     ATS236,829$10,207 12/31/2023
Goldman Sachs Group Inc.234,028$10,080 12/31/2023
     ATS234,028$10,080 12/31/2023
1832 Asset Management L.P.231,200$9,958 12/31/2023
     ATS231,200$9,958 12/31/2023
Natixis Advisors L.P.261,667$8,823 03/31/2024
     ATS261,667$8,823 03/31/2024
D. E. Shaw & Co. Inc. $8,540 12/31/2023
     ATS222,200$9,574 12/31/2023
     Put24,000$1,034 12/31/2023
Van Berkom & Associates Inc.181,825$7,851 12/31/2023
     ATS181,825$7,851 12/31/2023
Thornburg Investment Management Inc.176,629$7,607 12/31/2023
     ATS176,629$7,607 12/31/2023
Waratah Capital Advisors Ltd.167,642$7,225 12/31/2023
     ATS167,642$7,225 12/31/2023
Swiss National Bank166,500$7,189 12/31/2023
     ATS166,500$7,189 12/31/2023
Scotia Capital Inc.158,658$6,821 12/31/2023
     ATS158,658$6,821 12/31/2023
Invesco Ltd.154,243$6,643 12/31/2023
     ATS154,243$6,643 12/31/2023
Envestnet Asset Management Inc.142,985$6,159 12/31/2023
     ATS142,985$6,159 12/31/2023
Credit Suisse AG138,327$5,958 12/31/2023
     ATS138,327$5,958 12/31/2023
Nuveen Asset Management LLC133,405$5,778 12/31/2023
     ATS133,405$5,778 12/31/2023
First Trust Advisors LP130,327$5,617 12/31/2023
     ATS130,327$5,617 12/31/2023
Two Sigma Investments LP113,505$4,889 12/31/2023
     ATS113,505$4,889 12/31/2023
Dixon Mitchell Investment Counsel Inc.138,625$4,669 03/31/2024
     ATS138,625$4,669 03/31/2024
Capital International Sarl106,449$4,605 12/31/2023
     ATS106,449$4,605 12/31/2023
Schonfeld Strategic Advisors LLC79,082$3,406 12/31/2023
     ATS79,082$3,406 12/31/2023
Handelsbanken Fonder AB73,500$3,166 12/31/2023
     ATS73,500$3,166 12/31/2023
Capital International Ltd.72,376$3,122 12/31/2023
     ATS72,376$3,122 12/31/2023
Bank of America Corp DE69,517$2,994 12/31/2023
     ATS69,517$2,994 12/31/2023
Royce & Associates LP66,000$2,845 12/31/2023
     ATS66,000$2,845 12/31/2023
BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp65,303$2,815 12/31/2023
     ATS65,303$2,815 12/31/2023
Jarislowsky Fraser Ltd63,194$2,737 12/31/2023
     ATS63,194$2,737 12/31/2023
Millennium Management LLC59,790$2,578 12/31/2023
     ATS59,790$2,578 12/31/2023
Burgundy Asset Management Ltd.54,513$2,354 12/31/2023
     ATS54,513$2,354 12/31/2023
Guardian Capital LP52,719$2,283 12/31/2023
     ATS52,719$2,283 12/31/2023
Citadel Advisors LLC49,312$2,124 12/31/2023
     ATS49,312$2,124 12/31/2023
O Shaughnessy Asset Management LLC41,264$1,779 12/31/2023
     ATS41,264$1,779 12/31/2023
Fairfax Financial Holdings Ltd Can40,000$1,728 12/31/2023
     ATS40,000$1,728 12/31/2023
Russell Investments Group Ltd.39,660$1,718 12/31/2023
     ATS39,660$1,718 12/31/2023
Two Sigma Advisers LP36,900$1,589 12/31/2023
     ATS36,900$1,589 12/31/2023
Renaissance Technologies LLC35,300$1,526 12/31/2023
     ATS35,300$1,526 12/31/2023
Geode Capital Management LLC34,409$1,483 12/31/2023
     ATS34,409$1,483 12/31/2023
Boothbay Fund Management LLC34,215$1,475 12/31/2023
     ATS34,215$1,475 12/31/2023
Amundi32,289$1,329 12/31/2023
     ATS32,289$1,329 12/31/2023
Lombard Odier Asset Management Europe Ltd29,832$1,286 12/31/2023
     ATS29,832$1,286 12/31/2023
Jane Street Group LLC27,404$1,181 12/31/2023
     ATS27,404$1,181 12/31/2023
Toronto Dominion Bank26,200$1,128 12/31/2023
     ATS26,200$1,128 12/31/2023
Standard Life Aberdeen plc23,066$993 12/31/2023
     ATS23,066$993 12/31/2023
UBS Group AG21,273$916 12/31/2023
     ATS21,273$916 12/31/2023
New York State Common Retirement Fund20,761$894 12/31/2023
     ATS20,761$894 12/31/2023
Caldwell Investment Management Ltd.24,100$811 03/31/2024
     ATS24,100$811 03/31/2024
Cidel Asset Management Inc.16,996$736 12/31/2023
     ATS16,996$736 12/31/2023
Wells Fargo & Company MN16,060$693 12/31/2023
     ATS16,060$693 12/31/2023
Capital Group Investment Management PTE. LTD.15,530$673 12/31/2023
     ATS15,530$673 12/31/2023
Triasima Portfolio Management inc.19,812$667 03/31/2024
     ATS19,812$667 03/31/2024
Barclays PLC15,269$658 12/31/2023
     ATS15,269$658 12/31/2023
Front Street Capital Management Inc.14,100$607 12/31/2023
     ATS14,100$607 12/31/2023
Zurcher Kantonalbank Zurich Cantonalbank 16,653$561 03/31/2024
     ATS16,653$561 03/31/2024
Pictet Asset Management Holding SA12,143$526 12/31/2023
     ATS12,143$526 12/31/2023
Tacita Capital Inc11,765$509 12/31/2023
     ATS11,765$509 12/31/2023
Bank of New York Mellon Corp15,038$507 03/31/2024
     ATS15,038$507 03/31/2024
Knightsbridge Asset Management LLC10,173$438 12/31/2023
     ATS10,173$438 12/31/2023
TRUE Private Wealth Advisors12,323$416 03/31/2024
     ATS12,323$416 03/31/2024
Brown Advisory Inc.10,734$362 03/31/2024
     ATS10,734$362 03/31/2024
Engineers Gate Manager LP7,573$326 12/31/2023
     ATS7,573$326 12/31/2023
Aigen Investment Management LP7,316$315 12/31/2023
     ATS7,316$315 12/31/2023
US Bancorp DE7,082$305 12/31/2023
     ATS7,082$305 12/31/2023
Citigroup Inc.6,899$299 12/31/2023
     ATS6,899$299 12/31/2023
Investment Management Corp of Ontario6,946$299 12/31/2023
     ATS6,946$299 12/31/2023
PCJ Investment Counsel Ltd.6,335$273 12/31/2023
     ATS6,335$273 12/31/2023
Franklin Resources Inc.5,624$242 12/31/2023
     ATS5,624$242 12/31/2023
Psagot Value Holdings Ltd. Israel 5,500$237 12/31/2023
     ATS5,500$237 12/31/2023
Shell Asset Management Co.5,331$231 12/31/2023
     ATS5,331$231 12/31/2023
Sandia Investment Management LP5,000$215 12/31/2023
     ATS5,000$215 12/31/2023
Stephenson National Bank & Trust6,215$210 03/31/2024
     ATS6,215$210 03/31/2024
Deutsche Bank AG3,578$154 12/31/2023
     ATS3,578$154 12/31/2023
Bessemer Group Inc.3,024$131 12/31/2023
     ATS3,024$131 12/31/2023
Quantbot Technologies LP3,008$130 12/31/2023
     ATS3,008$130 12/31/2023
Tower Research Capital LLC TRC 2,369$102 12/31/2023
     ATS2,369$102 12/31/2023
Advisor Group Holdings Inc.1,337$58 12/31/2023
     ATS1,337$58 12/31/2023
Lazard Asset Management LLC1,291$55 12/31/2023
     ATS1,291$55 12/31/2023
AdvisorNet Financial Inc1,545$52 03/31/2024
     ATS1,545$52 03/31/2024
The PNC Financial Services Group Inc.876$38 12/31/2023
     ATS876$38 12/31/2023
Van ECK Associates Corp764$33 12/31/2023
     ATS764$33 12/31/2023
Banque Cantonale Vaudoise691$23 03/31/2024
     ATS691$23 03/31/2024
Washington Trust Advisors Inc.136$6 12/31/2023
     ATS136$6 12/31/2023
Jones Financial Companies Lllp118$5 12/31/2023
     ATS118$5 12/31/2023
EverSource Wealth Advisors LLC119$5 12/31/2023
     ATS119$5 12/31/2023
Simplex Trading LLC86$3 03/31/2024
     ATS86$3 03/31/2024
General Partner Inc.100$3 03/31/2024
     ATS100$3 03/31/2024
Salem Investment Counselors Inc.47$2 03/31/2024
     ATS47$2 03/31/2024
Pacer Advisors Inc.49$2 12/31/2023
     ATS49$2 12/31/2023
Advisory Services Network LLC25$1 12/31/2023
     ATS25$1 12/31/2023
GWM Advisors LLC30$1 12/31/2023
     ATS30$1 12/31/2023
Quadrant Capital Group LLC32$1 12/31/2023
     ATS32$1 12/31/2023
Proequities Inc. $0 12/31/2023
     ATS0$0 12/31/2023
     Put0$0 12/31/2023
     Call0$0 12/31/2023
Nomura Asset Management Co. Ltd.0$0 12/31/2023
     ATS0$0 12/31/2023

See Summary: Institutional Holders of ATS
See Details: Top 10 Hedge Funds Holding ATS
Also See: ATS Holdings Changes

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