Summit Materials Inc. Class ASUM
13F holders, Q4 2024 (December 31)396holders +61
100new positions
55sold out
6famous investors
$50.58avg. 13F price*
At the end of Q4 2024, 396 institutions reported holding Summit Materials Inc. Class A (SUM) in their 13F filings, up 61 from Q3 2024. 100 opened new positions and 55 sold out. The largest holders were Vanguard Group Inc. ($626.1M), BlackRock, Inc. ($505.7M) and T. Rowe Price Associates Inc. ($270.9M). 6 famous investors held it, including Mario Gabelli (0.1% of GAMCO Investors's portfolio), Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio) and Israel Englander (0.1% of Millennium Management's portfolio).
- Company
- Summit Materials Inc. Class A
- CUSIP
- 86614U100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 100 | $1.6B |
| Exits | 55 | $134.2M |
All 13F filers, Q3 2024 → Q4 2024: 39,565,895 shares bought and 42,357,858 shares sold, net −2,791,963 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 396 holders
| Vanguard Group Inc. | 0.01% | Add +0.5% | 12,373,001 | $626.1M |
| BlackRock, Inc. | 0.01% | Reduce -0.6% | 9,993,637 | $505.7M |
| T. Rowe Price Associates Inc. | 0.03% | Reduce -41.9% | 5,353,933 | $270.9M |
| HBK Investments L P | 5.35% | New | 4,554,192 | $230.4M |
| Macquarie Group Ltd. | 0.19% | Reduce -36.7% | 3,150,287 | $159.4M |
| Dimensional Fund Advisors LP | 0.04% | Reduce -24.8% | 3,147,009 | $159.2M |
| Janus Henderson Group PLC | 0.08% | Add +11.7% | 3,096,383 | $156.7M |
| State Street Corp. | 0.01% | Add +2.5% | 2,838,528 | $143.6M |
| Geode Capital Management, LLC | 0.01% | Reduce -0.4% | 2,779,130 | $140.7M |
| Goldman Sachs Group Inc. | 0.02% | Add +39.0% | 2,302,204 | $116.5M |
| TIG Advisors, LLC | 8.14% | New | 2,078,678 | $105.2M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 2.64% | New | 2,033,333 | $102.9M |
| FIL Ltd | 0.09% | New | 1,880,000 | $95.1M |
| JPMorgan Chase & Co. | 0.01% | Add +293.5% | 1,863,463 | $94.3M |
| River Road Asset Management, LLC | 1.24% | Reduce -48.5% | 1,838,148 | $93.0M |
| Charles Schwab Investment Management Inc. | 0.02% | Reduce -0.3% | 1,747,361 | $88.4M |
| Invesco Ltd. | 0.02% | Reduce -54.6% | 1,724,484 | $87.3M |
| Principal Financial Group Inc. | 0.05% | Reduce -67.5% | 1,719,023 | $87.0M |
| Balyasny Asset Management L.P. | 0.19% | New | 1,617,153 | $81.8M |
| Magnetar Financial LLC | 2.15% | New | 1,563,121 | $79.1M |
| Segall Bryant & Hamill, LLC | 1.06% | Reduce -1.6% | 1,523,066 | $77.1M |
| Northern Trust Corp. | 0.01% | Add +1.5% | 1,454,431 | $73.6M |
| Norges Bank | 0.01% | Add +0.9% | 1,409,381 | $71.3M |
| Adage Capital Partners Gp, L.L.C. | 0.12% | Add +1127.8% | 1,405,712 | $71.1M |
| Millennium Management | 0.06% | Reduce -46.2% | 1,333,349 | $67.5M |
| Nuveen Asset Management, LLC | 0.02% | Reduce -17.8% | 1,201,939 | $60.8M |
| Voloridge Investment Management, LLC | 0.21% | New | 1,175,508 | $59.5M |
| KRYGER CAPITAL Ltd | 14.51% | New | 1,106,108 | $56.0M |
| Victory Capital Management Inc. | 0.06% | Reduce -63.7% | 1,090,643 | $55.2M |
| Neuberger Berman Group LLC | 0.04% | New | 1,026,433 | $51.9M |
| Aristotle Capital Boston, LLC | 1.83% | Reduce -9.8% | 976,737 | $49.4M |
| Bank of America Corp. | 0.00% | Reduce -17.8% | 975,082 | $49.3M |
| Hudson Bay Capital Management LP | 0.35% | New | 971,443 | $49.2M |
| Morgan Stanley | 0.00% | Add +16.4% | 941,054 | $47.6M |
| Clearbridge Investments, LLC | 0.04% | Reduce -70.2% | 917,924 | $46.4M |
| Alliancebernstein L.P. | 0.02% | Reduce -41.0% | 894,288 | $45.3M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.10% | Add +5.6% | 890,997 | $45.1M |
| Assenagon Asset Management S.A. | 0.08% | Add +1436.3% | 879,466 | $44.5M |
| UBS Group AG | 0.01% | Add +440.0% | 871,852 | $44.1M |
| Paradigm Capital Management Inc. | 1.99% | Reduce -0.1% | 847,890 | $42.9M |
| Westchester Capital Management, LLC | 2.46% | New | 815,477 | $41.3M |
| Harvey Partners, LLC | 4.61% | Add +0.2% | 808,000 | $40.9M |
| Highbridge Capital Management LLC | 5.46% | New | 752,529 | $38.1M |
| Bank of New York Mellon Corp | 0.01% | Reduce -4.8% | 664,447 | $33.6M |
| AQR Arbitrage LLC | 1.40% | New | 655,814 | $33.2M |
| First Trust Capital Management L.P. | 2.51% | New | 649,357 | $32.9M |
| Sona Asset Management (us) LLC | 6.91% | New | 600,000 | $30.4M |
| Picton Mahoney Asset Management | 1.13% | New | 590,000 | $29.9M |
| Cinctive Capital Management LP | 1.58% | New | 580,000 | $29.3M |
| Woodline Partners LP | 0.20% | Add +837.8% | 580,000 | $29.3M |
| Voya Investment Management LLC | 0.03% | Add +1.1% | 571,384 | $28.9M |
| Manufacturers Life Insurance Company, The | 0.03% | Reduce -54.0% | 566,407 | $28.7M |
| Congress Asset Management Co. | 0.19% | Add +9.5% | 557,830 | $28.2M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -93.4% | 505,266 | $25.6M |
| Man Group plc | 0.08% | New | 503,363 | $25.5M |
| Alpine Associates Management Inc. | 1.44% | New | 468,500 | $23.7M |
| Squarepoint Ops LLC | 0.06% | Add +1225.5% | 438,809 | $22.2M |
| Sand Grove Capital Management LLP | 10.31% | New | 420,002 | $21.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.05% | Add +95.8% | 403,680 | $20.4M |
| Nexpoint Asset Management, L.P. | 2.34% | New | 393,860 | $19.9M |
| Water Island Capital LLC | 2.55% | New | 384,888 | $19.5M |
| Taconic Capital Advisors LP | 1.50% | New | 379,214 | $19.2M |
| Raymond James Financial Inc. | 0.01% | — | 379,202 | $19.2M |
| Kornitzer Capital Management Inc. | 0.36% | Reduce -23.1% | 365,621 | $18.5M |
| Deutsche Bank AG | 0.01% | Add +419.3% | 359,509 | $18.2M |
| HSBC Holdings PLC | 0.01% | Add +379.5% | 358,069 | $18.2M |
| Capula Management Ltd | 0.12% | New | 355,734 | $18.0M |
| Bessemer Group Inc. | 0.03% | Reduce -16.9% | 351,170 | $17.8M |
| Slotnik Capital, LLC | 7.61% | New | 330,000 | $16.7M |
| Royal Bank of Canada | 0.00% | Add +56.5% | 325,580 | $16.5M |
| Gabelli Funds LLC | 0.13% | New | 324,900 | $16.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +11.5% | 320,763 | $16.2M |
| Ameriprise Financial Inc. | 0.00% | Reduce -81.7% | 293,190 | $14.8M |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 2.40% | New | 277,000 | $14.0M |
| Wells Fargo & Company | 0.00% | Reduce -32.4% | 265,051 | $13.4M |
| Sei Investments Co. | 0.02% | Reduce -61.9% | 260,531 | $13.2M |
| One68 Global Capital, LLC | 6.71% | — | 248,152 | $12.6M |
| Barclays PLC | 0.01% | Add +15.0% | 243,079 | $12.3M |
| Swiss National Bank | 0.01% | Add +0.8% | 241,715 | $12.2M |
| Davidson Kempner Capital Management LP | 0.31% | New | 230,844 | $11.7M |
| First Eagle Investment Management, LLC | 0.02% | Add +13.6% | 217,427 | $11.0M |
| Rhumbline Advisers | 0.01% | Add +3.7% | 209,094 | $10.6M |
| Beacon Pointe Advisors, LLC | 0.12% | New | 208,431 | $10.5M |
| Brevan Howard Capital Management LP | 0.26% | New | 207,166 | $10.5M |
| Marshall Wace, LLP | 0.01% | New | 206,694 | $10.5M |
| Madison Asset Management, LLC | 0.12% | No change | 205,995 | $10.4M |
| Madison Investment Advisors, LLC | 0.12% | — | 205,995 | $10.4M |
| Angelo Gordon & Co., L.P. | 2.62% | New | 205,000 | $10.4M |
| Pentwater Capital Management LP | 0.17% | New | 200,000 | $10.1M |
| Alberta Investment Management Corp | 0.07% | Add +153.0% | 200,000 | $10.1M |
| CW Advisors, LLC | 0.14% | Add +1.2% | 198,713 | $10.1M |
| Canada Pension Plan Investment Board | 0.01% | New | 197,500 | $10.0M |
| Royce & Associates LP | 0.09% | Reduce -46.9% | 196,297 | $9.9M |
| Verition Fund Management LLC | 0.05% | Add +160.6% | 195,525 | $9.9M |
| Decagon Asset Management LLP | 4.56% | — | 195,466 | $9.9M |
| Kennedy Capital Management LLC | 0.22% | Reduce -6.8% | 194,405 | $9.8M |
| Nisa Investment Advisors, LLC | 0.04% | Add +2256.6% | 192,319 | $9.7M |
| GAMCO Investors | 0.10% | New | 182,800 | $9.2M |
| Frontier Capital Management Co. LLC | 0.09% | Reduce -93.6% | 178,241 | $9.0M |
| New York Life Investment Management LLC | 0.09% | Add +1191.5% | 177,499 | $9.0M |
"% of holder's portfolio" is SUM's weight in each manager's 13F, not the share of Summit Materials Inc. Class A the manager owns.