AtsATS
13F holders, Q3 2024 (September 30)130holders −2
18new positions
20sold out
4famous investors
$29.13avg. 13F price*
At the end of Q3 2024, 130 institutions reported holding Ats Corp. (ATS) in their 13F filings, down 2 from Q2 2024. 18 opened new positions and 20 sold out. The largest holders were Mason Capital Management LLC ($433.3M), Turtle Creek Asset Management Inc. ($258.7M) and FIL Ltd ($211.7M). 4 famous investors held it, including Prem Watsa (0.1% of Fairfax Financial Holdings's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Ats Corp.
- CUSIP
- 00217Y104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 18 | $47.9M |
| Exits | 20 | $293.6M |
All 13F filers, Q2 2024 → Q3 2024: 16,728,577 shares bought and 17,372,037 shares sold, net −643,460 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 130 holders
| Mason Capital Management LLC | 86.21% | Add +3.9% | 14,914,765 | $433.3M |
| Turtle Creek Asset Management Inc. | 6.21% | Add +74.8% | 8,906,269 | $258.7M |
| FIL Ltd | 0.19% | Add +242.7% | 7,295,489 | $211.7M |
| Royal Bank of Canada | 0.02% | Add +23.3% | 3,855,297 | $112.0M |
| EdgePoint Investment Group Inc. | 0.81% | No change | 3,540,639 | $102.7M |
| Vanguard Group Inc. | 0.00% | Add +7.3% | 3,177,900 | $92.2M |
| Capital World Investors | 0.01% | Reduce -39.7% | 3,107,858 | $90.2M |
| Manufacturers Life Insurance Company, The | 0.07% | Reduce -13.6% | 2,801,025 | $81.3M |
| ACK Asset Management LLC | 8.10% | Add +12.8% | 2,255,889 | $65.5M |
| Janus Henderson Group PLC | 0.03% | Add +0.1% | 2,072,854 | $60.2M |
| FMR LLC | 0.00% | Add +9.5% | 1,639,373 | $47.6M |
| Invesco Ltd. | 0.01% | Add +42.6% | 1,612,914 | $46.9M |
| Burgundy Asset Management Ltd. | 0.42% | Add +804.8% | 1,461,826 | $42.4M |
| Clearbridge Investments, LLC | 0.03% | Add +9.3% | 1,382,428 | $40.2M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.08% | Reduce -6.8% | 1,186,541 | $34.5M |
| Beutel, Goodman & Co Ltd. | 0.16% | Reduce -1.2% | 1,090,069 | $31.7M |
| Alliancebernstein L.P. | 0.01% | Add +1.4% | 1,053,949 | $30.6M |
| Norges Bank | 0.00% | Add +7.3% | 1,027,456 | $29.8M |
| Alberta Investment Management Corp | 0.25% | Add +39.6% | 938,000 | $27.2M |
| TD Waterhouse Canada Inc. | 0.22% | Reduce -27.6% | 924,301 | $26.6M |
| Mackenzie Financial Corp. | 0.04% | Reduce -0.4% | 910,105 | $26.4M |
| Bank of Montreal | 0.01% | Reduce -4.4% | 687,046 | $20.4M |
| Principal Financial Group Inc. | 0.01% | Add +3.4% | 661,040 | $19.2M |
| Covalis Capital LLP | 2.83% | Add +584.2% | 653,820 | $19.0M |
| Canoe Financial LP | 0.45% | Reduce -9.2% | 623,509 | $18.5M |
| 1832 Asset Management L.P. | 0.03% | Add +1.9% | 630,991 | $18.3M |
| Fiera Capital Corp | 0.05% | Add +18.3% | 584,804 | $17.0M |
| Massachusetts Financial Services Co. | 0.00% | Reduce -1.9% | 555,912 | $16.1M |
| Federation des caisses Desjardins du Quebec | 0.08% | Reduce -72.4% | 556,896 | $16.0M |
| Agf Management Ltd. | 0.08% | Reduce -14.6% | 544,256 | $15.8M |
| Nicola Wealth Management LTD. | 1.19% | New | 381,100 | $15.0M |
| Legal & General Group Plc | 0.00% | Add +8.8% | 492,760 | $14.3M |
| TD Asset Management Inc | 0.01% | Reduce -29.9% | 473,554 | $14.1M |
| Morgan Stanley | 0.00% | Add +6.5% | 477,689 | $13.9M |
| Bank of America Corp. | 0.00% | Add +235.0% | 450,730 | $13.1M |
| BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp | 0.07% | Add +73.5% | 425,392 | $12.3M |
| National Bank of Canada | 0.02% | Add +29.0% | 418,651 | $12.2M |
| Aviva PLC | 0.03% | Reduce -33.0% | 387,844 | $11.3M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.05% | Reduce -82.3% | 385,666 | $11.2M |
| Cibc World Market Inc. | 0.03% | Add +21.3% | 382,784 | $11.1M |
| Allspring Global Investments Holdings, LLC | 0.02% | Add +1.0% | 362,758 | $10.5M |
| Rockefeller Capital Management L.P. | 0.03% | Reduce -53.8% | 355,340 | $10.3M |
| Dixon Mitchell Investment Counsel Inc. | 0.44% | Add +41.0% | 336,525 | $9.8M |
| CIBC Asset Management Inc | 0.03% | Add +0.4% | 325,449 | $9.4M |
| Van Berkom & Associates Inc. | 0.22% | Add +10.4% | 272,829 | $7.9M |
| Intact Investment Management Inc. | 0.26% | New | 268,010 | $7.8M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.02% | No change | 243,902 | $7.1M |
| Front Street Capital Management, Inc. | 1.09% | Add +70.1% | 232,585 | $6.8M |
| Scotia Capital Inc. | 0.03% | Add +22.1% | 224,906 | $6.4M |
| NewGen Asset Management Ltd | 3.17% | New | 200,000 | $5.8M |
| Highland Peak Capital, LLC | 3.76% | New | 199,810 | $5.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.0% | 192,877 | $5.6M |
| Waratah Capital Advisors Ltd. | 0.29% | New | 165,027 | $4.8M |
| Swiss National Bank | 0.00% | Reduce -1.8% | 163,600 | $4.8M |
| Lombard Odier Asset Management (Europe) Ltd | 0.29% | Reduce -1.0% | 82,213 | $4.5M |
| JARISLOWSKY, FRASER Ltd | 0.02% | Add +45.8% | 137,812 | $4.0M |
| Galibier Capital Management Ltd. | 0.87% | Add +19.9% | 132,830 | $3.9M |
| UniSuper Management Pty Ltd | 0.03% | No change | 98,036 | $3.8M |
| Citadel Advisors | 0.00% | Add +296.8% | 123,580 | $3.6M |
| Quadrature Capital Ltd | 0.08% | Add +188.8% | 118,400 | $3.4M |
| First Trust Advisors LP | 0.00% | Reduce -7.2% | 111,401 | $3.2M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -40.3% | 99,289 | $2.9M |
| Toronto Dominion Bank | 0.01% | Add +67.6% | 98,281 | $2.9M |
| Natixis Advisors, LLC | 0.01% | Add +8.7% | 89,935 | $2.6M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -80.7% | 84,522 | $2.5M |
| JPMorgan Chase & Co. | 0.00% | Reduce -64.9% | 84,474 | $2.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -13.2% | 82,518 | $2.4M |
| D. E. Shaw & Co. | 0.00% | Add +34.6% | 70,589 | $2.0M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -82.6% | 67,643 | $2.0M |
| Onex Canada Asset Management Inc. | 0.22% | New | 64,620 | $1.9M |
| Royce & Associates LP | 0.02% | Add +145.1% | 62,500 | $1.8M |
| Boothbay Fund Management, LLC | 0.06% | New | 58,789 | $1.7M |
| Fairfax Financial Holdings | 0.15% | New | 56,700 | $1.6M |
| Caldwell Investment Management Ltd. | 1.00% | No change | 48,100 | $1.4M |
| Aviso Financial Inc. | 0.06% | Reduce -1.3% | 44,855 | $1.3M |
| Two Sigma Investments, LP | 0.00% | Reduce -50.2% | 41,905 | $1.2M |
| Jane Street Group, LLC | 0.00% | Add +33.6% | 40,970 | $1.2M |
| Geode Capital Management, LLC | 0.00% | Add +5.2% | 38,987 | $1.1M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -7.0% | 36,984 | $1.1M |
| Millennium Management | 0.00% | Reduce -62.6% | 35,633 | $1.0M |
| Marshall Wace, LLP | 0.00% | Reduce -9.2% | 32,338 | $939K |
| Amundi | 0.00% | No change | 30,618 | $915K |
| Trexquant Investment LP | 0.01% | New | 31,406 | $912K |
| Public Employees Retirement System of Ohio | 0.00% | New | 24,870 | $722K |
| UBS Group AG | 0.00% | Reduce -11.3% | 24,534 | $713K |
| PDT Partners, LLC | 0.06% | Add +46.5% | 23,702 | $689K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +24.4% | 21,708 | $631K |
| Aigen Investment Management, LP | 0.12% | Add +19.8% | 20,493 | $595K |
| Numerai GP LLC | 0.15% | Add +125.9% | 19,611 | $570K |
| Cidel Asset Management Inc. | 0.04% | Add +3.3% | 18,707 | $543K |
| Cresset Asset Management, LLC | 0.00% | Reduce -11.2% | 17,801 | $517K |
| Barclays PLC | 0.00% | New | 17,567 | $510K |
| Timelo Investment Management Inc. | 1.07% | New | 15,000 | $436K |
| Pictet Asset Management Holding SA | 0.00% | Add +15.0% | 14,875 | $433K |
| Franklin Resources Inc. | 0.00% | Add +125.0% | 14,132 | $431K |
| Wells Fargo & Company | 0.00% | Reduce -0.0% | 14,708 | $427K |
| Nebula Research & Development LLC | 0.05% | New | 14,425 | $419K |
| Dynasty Wealth Management, LLC | 0.01% | Add +12.3% | 12,619 | $367K |
| TRUE Private Wealth Advisors | 0.04% | No change | 12,323 | $358K |
| Bank of New York Mellon Corp | 0.00% | Reduce -14.7% | 11,744 | $341K |
| Engineers Gate Manager LP | 0.01% | Add +58.5% | 11,222 | $326K |
| Bank of Nova Scotia Trust Co. | 0.03% | New | 10,883 | $316K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -49.6% | 9,741 | $283K |
| Aberdeen Group plc | 0.00% | Reduce -34.6% | 9,582 | $278K |
| Hantz Financial Services, Inc. | 0.00% | Add +3.1% | 9,124 | $265K |
| Mariner, LLC | 0.00% | New | 8,639 | $251K |
| Cubist Systematic Strategies, LLC | 0.00% | Reduce -65.0% | 8,035 | $233K |
| Citigroup Inc. | 0.00% | Reduce -14.8% | 7,568 | $220K |
| Northwest & Ethical Investments L.P. | 0.00% | Reduce -53.3% | 6,049 | $176K |
| Steph & Co. | 0.06% | Reduce -3.9% | 6,010 | $175K |
| Deutsche Bank AG | 0.00% | Add +0.1% | 5,171 | $150K |
| Shell Asset Management Co. | 0.01% | — | 4,731 | $137K |
| Van Eck Associates Corp. | 0.00% | Add +28.4% | 4,230 | $132K |
| US Bancorp \de | 0.00% | Reduce -1.3% | 4,218 | $123K |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 0.01% | Add +54.8% | 912 | $26K |
| Osaic Holdings, Inc. | 0.00% | Add +8.9% | 699 | $20K |
| Banque Cantonale Vaudoise | 0.00% | No change | 691 | $20K |
| State of Wyoming | 0.00% | Reduce -6.5% | 685 | $20K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -83.7% | 328 | $10K |
| Washington Trust Advisors, Inc. | 0.00% | New | 175 | $5K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 169 | $5K |
| Leonteq Securities AG | 0.00% | New | 99 | $4K |
| Farther Finance Advisors, LLC | 0.00% | New | 87 | $3K |
| Pacer Advisors, Inc. | 0.00% | No change | 63 | $2K |
| NewEdge Advisors, LLC | 0.00% | No change | 60 | $2K |
| Salem Investment Counselors Inc. | 0.00% | No change | 47 | $1K |
| Huntington National Bank | 0.00% | No change | 47 | $1K |
| Bell Investment Advisors, Inc | 0.00% | Reduce -6.1% | 31 | $901 |
| Jones Financial Companies LLLP | 0.00% | Add +150.0% | 15 | $446 |
| WealthCollab, LLC | 0.00% | No change | 4 | $117 |
"% of holder's portfolio" is ATS's weight in each manager's 13F, not the share of Ats Corp. the manager owns.