AtsATS
13F holders, Q4 2024 (December 31)129holders −1
14new positions
14sold out
3famous investors
$30.55avg. 13F price*
At the end of Q4 2024, 129 institutions reported holding Ats Corp. (ATS) in their 13F filings, down 1 from Q3 2024. 14 opened new positions and 14 sold out. The largest holders were Mason Capital Management LLC ($454.6M), Turtle Creek Asset Management Inc. ($254.2M) and Beutel, Goodman & Co Ltd. ($198.6M). 3 famous investors held it, including Prem Watsa (4.7% of Fairfax Financial Holdings's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Ats Corp.
- CUSIP
- 00217Y104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 14 | $28.1M |
| Exits | 14 | $44.1M |
All 13F filers, Q3 2024 → Q4 2024: 16,743,815 shares bought and 11,903,038 shares sold, net +4,840,777 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 129 holders
| Mason Capital Management LLC | 96.62% | No change | 14,914,765 | $454.6M |
| Turtle Creek Asset Management Inc. | 6.61% | Reduce -6.4% | 8,338,573 | $254.2M |
| Beutel, Goodman & Co Ltd. | 1.08% | Add +497.7% | 6,515,682 | $198.6M |
| Royal Bank of Canada | 0.04% | Add +37.7% | 5,307,964 | $161.8M |
| EdgePoint Investment Group Inc. | 0.85% | No change | 3,540,639 | $107.8M |
| Capital World Investors | 0.02% | Add +11.0% | 3,449,762 | $105.2M |
| Vanguard Group Inc. | 0.00% | Add +1.6% | 3,229,265 | $98.5M |
| Fairfax Financial Holdings | 4.75% | Add +4285.2% | 2,486,400 | $73.9M |
| FMR LLC | 0.00% | Add +27.9% | 2,096,469 | $63.9M |
| ACK Asset Management LLC | 8.55% | Reduce -7.2% | 2,093,196 | $63.8M |
| FIL Ltd | 0.05% | Reduce -74.4% | 1,865,064 | $56.9M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.23% | Add +333.3% | 1,671,264 | $50.9M |
| Clearbridge Investments, LLC | 0.04% | Add +17.8% | 1,627,746 | $49.6M |
| Invesco Ltd. | 0.01% | Reduce -0.1% | 1,611,140 | $49.1M |
| TD Waterhouse Canada Inc. | 0.39% | Add +76.9% | 1,635,224 | $48.4M |
| Burgundy Asset Management Ltd. | 0.45% | Reduce -0.8% | 1,450,528 | $44.2M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.08% | Reduce -1.1% | 1,173,152 | $35.8M |
| Mackenzie Financial Corp. | 0.05% | Add +24.4% | 1,131,921 | $34.5M |
| Alberta Investment Management Corp | 0.23% | Add +15.8% | 1,086,700 | $33.1M |
| Alliancebernstein L.P. | 0.01% | Reduce -1.8% | 1,035,524 | $31.6M |
| Norges Bank | 0.00% | No change | 1,027,456 | $31.3M |
| Bank of Montreal | 0.01% | Add +40.1% | 962,411 | $29.3M |
| Janus Henderson Group PLC | 0.01% | Reduce -55.5% | 922,704 | $28.1M |
| TD Asset Management Inc | 0.02% | Add +85.0% | 876,031 | $26.7M |
| Bank of America Corp. | 0.00% | Add +79.3% | 808,052 | $24.6M |
| Fiera Capital Corp | 0.07% | Add +23.3% | 721,297 | $22.0M |
| Galibier Capital Management Ltd. | 6.25% | Add +440.2% | 717,571 | $21.9M |
| Principal Financial Group Inc. | 0.01% | Add +1.1% | 668,140 | $20.4M |
| 1832 Asset Management L.P. | 0.04% | Add +5.1% | 662,889 | $20.2M |
| Canoe Financial LP | 0.32% | Add +3.0% | 641,989 | $19.6M |
| Manufacturers Life Insurance Company, The | 0.02% | Reduce -77.2% | 637,385 | $19.5M |
| Nicola Wealth Management LTD. | 1.77% | Add +12.1% | 427,300 | $18.7M |
| Agf Management Ltd. | 0.08% | Reduce -0.5% | 541,730 | $16.5M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -3.1% | 538,815 | $16.4M |
| Federation des caisses Desjardins du Quebec | 0.08% | Reduce -1.3% | 549,760 | $16.3M |
| National Bank of Canada | 0.02% | Add +17.9% | 493,601 | $15.1M |
| BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp | 0.08% | Add +9.8% | 466,879 | $14.2M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.03% | Add +79.7% | 438,302 | $13.4M |
| Legal & General Group Plc | 0.00% | Reduce -14.4% | 421,882 | $12.9M |
| Rockefeller Capital Management L.P. | 0.03% | Add +13.9% | 404,823 | $12.3M |
| Intact Investment Management Inc. | 0.42% | Add +46.3% | 392,160 | $12.0M |
| Aviva PLC | 0.03% | Reduce -1.2% | 383,077 | $11.7M |
| UBS Group AG | 0.00% | Add +1318.6% | 348,046 | $10.6M |
| Dixon Mitchell Investment Counsel Inc. | 0.47% | No change | 336,525 | $10.3M |
| Cibc World Market Inc. | 0.02% | Reduce -12.2% | 336,202 | $10.3M |
| Heathbridge Capital Management Ltd. | 3.99% | New | 329,000 | $10.0M |
| CIBC Asset Management Inc | 0.03% | Reduce -0.8% | 322,713 | $9.8M |
| Morgan Stanley | 0.00% | Reduce -34.7% | 311,820 | $9.5M |
| Allspring Global Investments Holdings, LLC | 0.01% | Reduce -21.8% | 283,858 | $8.6M |
| Front Street Capital Management, Inc. | 1.49% | Add +20.7% | 280,830 | $8.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +186.6% | 242,202 | $7.4M |
| Van Berkom & Associates Inc. | 0.21% | Reduce -13.7% | 235,565 | $7.2M |
| Candelo Capital Management LP | 3.86% | New | 200,850 | $6.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +2.9% | 198,402 | $6.0M |
| Scotia Capital Inc. | 0.03% | Reduce -14.7% | 191,803 | $5.7M |
| Swiss National Bank | 0.00% | Add +0.6% | 164,500 | $5.0M |
| Scheer, Rowlett & Associates Investment Management Ltd. | 0.33% | New | 148,984 | $4.5M |
| Granite Investment Partners, LLC | 0.19% | New | 143,486 | $4.4M |
| Lombard Odier Asset Management (Europe) Ltd | 0.28% | Reduce -19.9% | 65,837 | $4.2M |
| JARISLOWSKY, FRASER Ltd | 0.02% | Reduce -2.4% | 134,535 | $4.1M |
| Boothbay Fund Management, LLC | 0.13% | Add +121.9% | 130,476 | $4.0M |
| UniSuper Management Pty Ltd | 0.03% | Reduce -11.2% | 87,036 | $3.8M |
| Envestnet Asset Management Inc. | 0.00% | Add +10.7% | 109,921 | $3.4M |
| First Trust Advisors LP | 0.00% | Reduce -7.1% | 103,497 | $3.2M |
| Natixis Advisors, LLC | 0.01% | Add +5.0% | 94,430 | $2.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +1.3% | 83,571 | $2.5M |
| Royce & Associates LP | 0.02% | Add +20.8% | 75,500 | $2.3M |
| Nuveen Asset Management, LLC | 0.00% | No change | 67,643 | $2.1M |
| Russell Investments Group, Ltd. | 0.00% | Add +572.0% | 65,458 | $2.0M |
| Onex Canada Asset Management Inc. | 0.21% | Reduce -9.9% | 58,248 | $1.8M |
| Toronto Dominion Bank | 0.00% | Reduce -43.3% | 55,760 | $1.7M |
| Caldwell Investment Management Ltd. | 0.98% | No change | 48,100 | $1.5M |
| Aviso Financial Inc. | 0.07% | Add +1.8% | 45,681 | $1.4M |
| Geode Capital Management, LLC | 0.00% | Add +5.3% | 41,054 | $1.3M |
| Ewing Morris & Co. Investment Partners Ltd. | 0.43% | New | 28,280 | $1.2M |
| Dimensional Fund Advisors LP | 0.00% | Add +1.3% | 37,463 | $1.1M |
| Susquehanna International Group, LLP | 0.00% | New | 33,887 | $1.0M |
| Jane Street Group, LLC | 0.00% | Reduce -20.8% | 32,449 | $989K |
| D. E. Shaw & Co. | 0.00% | Reduce -54.2% | 32,300 | $985K |
| Amundi | 0.00% | Reduce -5.4% | 28,976 | $829K |
| Public Employees Retirement System of Ohio | 0.00% | Add +6.0% | 26,375 | $804K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +6.5% | 23,128 | $705K |
| Franklin Resources Inc. | 0.00% | Add +28.2% | 18,122 | $552K |
| Barclays PLC | 0.00% | Add +0.1% | 17,583 | $536K |
| Cresset Asset Management, LLC | 0.00% | Reduce -11.8% | 15,704 | $479K |
| Bank of Nova Scotia Trust Co. | 0.05% | Add +41.0% | 15,341 | $468K |
| Pictet Asset Management Holding SA | 0.00% | No change | 14,875 | $453K |
| Timelo Investment Management Inc. | 0.96% | Reduce -46.7% | 8,000 | $426K |
| Aberdeen Group plc | 0.00% | Add +38.5% | 13,267 | $401K |
| Dynasty Wealth Management, LLC | 0.01% | Add +0.9% | 12,738 | $388K |
| Wells Fargo & Company | 0.00% | Reduce -16.5% | 12,275 | $374K |
| TRUE Private Wealth Advisors | 0.04% | Reduce -2.0% | 12,080 | $368K |
| Bank of New York Mellon Corp | 0.00% | Reduce -4.3% | 11,233 | $342K |
| Nebula Research & Development LLC | 0.04% | Reduce -23.2% | 11,081 | $338K |
| Trexquant Investment LP | 0.00% | Reduce -68.7% | 9,839 | $300K |
| Procyon Advisors, LLC | 0.02% | New | 9,628 | $293K |
| Mariner, LLC | 0.00% | Add +8.0% | 9,328 | $284K |
| Engineers Gate Manager LP | 0.00% | Reduce -19.9% | 8,990 | $274K |
| Citigroup Inc. | 0.00% | Add +17.2% | 8,869 | $270K |
| Hantz Financial Services, Inc. | 0.00% | Reduce -4.0% | 8,764 | $267K |
| Simplex Trading, LLC | 0.01% | New | 8,065 | $245K |
| Cidel Asset Management Inc. | 0.02% | Reduce -59.2% | 7,636 | $233K |
| SkyView Investment Advisors, LLC | 0.04% | New | 7,500 | $229K |
| Deutsche Bank AG | 0.00% | Add +41.6% | 7,320 | $223K |
| Northwest & Ethical Investments L.P. | 0.01% | Add +7.9% | 6,527 | $199K |
| Citadel Advisors | 0.00% | Reduce -96.0% | 4,919 | $150K |
| Shell Asset Management Co. | 0.01% | No change | 4,731 | $144K |
| Van Eck Associates Corp. | 0.00% | Reduce -41.3% | 2,483 | $76K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +561.9% | 2,171 | $66K |
| US Bancorp \de | 0.00% | Reduce -50.1% | 2,105 | $64K |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 0.01% | Add +94.3% | 1,772 | $54K |
| Steph & Co. | 0.02% | Reduce -72.7% | 1,643 | $50K |
| State of Wyoming | 0.00% | Add +32.1% | 905 | $28K |
| Osaic Holdings, Inc. | 0.00% | Reduce -8.9% | 637 | $19K |
| JPMorgan Chase & Co. | 0.00% | Reduce -99.5% | 456 | $14K |
| Leonteq Securities AG | 0.00% | Add +78.8% | 177 | $8K |
| Washington Trust Advisors, Inc. | 0.00% | No change | 175 | $5K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -29.0% | 120 | $4K |
| Jones Financial Companies LLLP | 0.00% | Add +420.0% | 78 | $2K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -16.1% | 73 | $2K |
| Bogart Wealth, LLC | 0.00% | New | 63 | $2K |
| Geneos Wealth Management Inc. | 0.00% | New | 57 | $2K |
| Salem Investment Counselors Inc. | 0.00% | No change | 47 | $1K |
| Pacer Advisors, Inc. | 0.00% | Reduce -28.6% | 45 | $1K |
| BlackRock, Inc. | 0.00% | New | 45 | $1K |
| Bell Investment Advisors, Inc | 0.00% | No change | 31 | $945 |
| EverSource Wealth Advisors, LLC | 0.00% | New | 17 | $518 |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 15 | $457 |
| WealthCollab, LLC | 0.00% | No change | 4 | $122 |
"% of holder's portfolio" is ATS's weight in each manager's 13F, not the share of Ats Corp. the manager owns.