Summit Materials Inc. Class ASUM
13F holders, Q3 2024 (September 30)335holders +29
54new positions
26sold out
4famous investors
$39.11avg. 13F price*
At the end of Q3 2024, 335 institutions reported holding Summit Materials Inc. Class A (SUM) in their 13F filings, up 29 from Q2 2024. 54 opened new positions and 26 sold out. The largest holders were Vanguard Group Inc. ($480.7M), BlackRock, Inc. ($392.2M) and T. Rowe Price Associates Inc. ($359.4M). 4 famous investors held it, including Israel Englander (0.1% of Millennium Management'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
- Summit Materials Inc. Class A
- CUSIP
- 86614U100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 54 | $51.0M |
| Exits | 26 | $40.6M |
All 13F filers, Q2 2024 → Q3 2024: 7,500,181 shares bought and 6,861,339 shares sold, net +638,842 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 335 holders
| Vanguard Group Inc. | 0.01% | Add +0.7% | 12,316,399 | $480.7M |
| BlackRock, Inc. | 0.01% | — | 10,048,975 | $392.2M |
| T. Rowe Price Associates Inc. | 0.04% | Add +4.3% | 9,209,499 | $359.4M |
| Massachusetts Financial Services Co. | 0.09% | Add +6.0% | 7,639,798 | $298.2M |
| Principal Financial Group Inc. | 0.11% | Add +1.8% | 5,289,410 | $206.4M |
| Macquarie Group Ltd. | 0.21% | Reduce -1.3% | 4,975,356 | $194.2M |
| Dimensional Fund Advisors LP | 0.04% | Reduce -3.4% | 4,182,253 | $163.2M |
| Invesco Ltd. | 0.03% | Reduce -7.4% | 3,797,529 | $148.2M |
| River Road Asset Management, LLC | 1.82% | Add +15.9% | 3,567,938 | $139.3M |
| Clearbridge Investments, LLC | 0.09% | Reduce -2.9% | 3,081,361 | $120.3M |
| Victory Capital Management Inc. | 0.11% | Reduce -18.3% | 3,004,085 | $117.2M |
| Frontier Capital Management Co. LLC | 1.03% | Reduce -4.5% | 2,804,724 | $109.5M |
| Geode Capital Management, LLC | 0.01% | Add +0.3% | 2,789,212 | $108.9M |
| Janus Henderson Group PLC | 0.06% | Add +0.1% | 2,771,481 | $108.2M |
| State Street Corp. | 0.00% | Reduce -0.2% | 2,769,174 | $108.1M |
| Millennium Management | 0.09% | Reduce -10.0% | 2,478,643 | $96.7M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +21.8% | 1,752,993 | $68.4M |
| Goldman Sachs Group Inc. | 0.01% | Add +149.1% | 1,656,519 | $64.7M |
| Ameriprise Financial Inc. | 0.02% | Reduce -2.6% | 1,605,414 | $62.7M |
| American Century Companies Inc. | 0.04% | Reduce -11.2% | 1,550,845 | $60.5M |
| Segall Bryant & Hamill, LLC | 0.82% | Add +6.5% | 1,547,312 | $60.4M |
| Alliancebernstein L.P. | 0.02% | Reduce -8.4% | 1,516,201 | $59.2M |
| Nuveen Asset Management, LLC | 0.02% | Reduce -23.6% | 1,461,865 | $57.1M |
| Northern Trust Corp. | 0.01% | Add +1.6% | 1,432,648 | $55.9M |
| Norges Bank | 0.01% | Reduce -0.9% | 1,397,132 | $54.5M |
| Manufacturers Life Insurance Company, The | 0.04% | Add +3.8% | 1,232,524 | $48.1M |
| Bank of America Corp. | 0.00% | Add +4.0% | 1,186,215 | $46.3M |
| Aristotle Capital Boston, LLC | 1.40% | Add +4.4% | 1,083,230 | $42.3M |
| Eagle Asset Management Inc. | 0.21% | Reduce -21.2% | 830,234 | $41.9M |
| Standard Investments LLC | 1.86% | Add +1017.4% | 931,023 | $36.3M |
| Citadel Advisors | 0.04% | Reduce -47.4% | 851,618 | $33.2M |
| Paradigm Capital Management Inc. | 1.47% | No change | 848,890 | $33.1M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.07% | Add +2.8% | 843,588 | $32.9M |
| Westwood Holdings Group Inc. | 0.25% | Add +13.8% | 821,849 | $32.1M |
| Morgan Stanley | 0.00% | Add +38.9% | 808,312 | $31.5M |
| Harvey Partners, LLC | 3.62% | Add +9.4% | 806,500 | $31.5M |
| Thrivent Financial for Lutherans | 0.05% | Add +3.9% | 731,995 | $28.6M |
| Bank of New York Mellon Corp | 0.01% | Reduce -13.9% | 697,772 | $27.2M |
| Sei Investments Co. | 0.03% | Add +11.3% | 683,659 | $26.7M |
| Troluce Capital Advisors LLC | 4.71% | Add +124.9% | 674,687 | $26.3M |
| Voya Investment Management LLC | 0.03% | Add +2.5% | 565,444 | $22.1M |
| Qube Research & Technologies Ltd | 0.04% | Reduce -29.0% | 547,991 | $21.4M |
| Congress Asset Management Co. | 0.14% | Add +9.4% | 509,409 | $19.9M |
| Kornitzer Capital Management Inc. | 0.34% | Add +0.4% | 475,111 | $18.5M |
| JPMorgan Chase & Co. | 0.00% | Reduce -5.7% | 473,508 | $18.5M |
| Bessemer Group Inc. | 0.03% | Add +2.3% | 422,636 | $16.5M |
| Wells Fargo & Company | 0.00% | Reduce -9.6% | 392,201 | $15.3M |
| Royce & Associates LP | 0.13% | Add +5.7% | 369,869 | $14.4M |
| Susquehanna International Group, LLP | 0.02% | Add +160.3% | 364,379 | $14.2M |
| Raymond James & Associates | 0.01% | Add +11.0% | 298,733 | $11.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +3.8% | 287,733 | $11.2M |
| Orchard Capital Management, LLC | 3.37% | Add +37.9% | 252,708 | $9.8M |
| Guggenheim Capital LLC | 0.07% | Reduce -2.3% | 241,560 | $9.4M |
| Swiss National Bank | 0.01% | Reduce -0.7% | 239,915 | $9.4M |
| D. E. Shaw & Co. | 0.01% | Reduce -5.9% | 235,301 | $9.2M |
| Homestead Advisers Corp | 0.21% | No change | 225,209 | $8.8M |
| Barclays PLC | 0.00% | Add +222.4% | 211,442 | $8.3M |
| Kennedy Capital Management LLC | 0.18% | Reduce -22.2% | 208,656 | $8.1M |
| Royal Bank of Canada | 0.00% | Add +132.6% | 208,058 | $8.1M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.02% | New | 206,113 | $8.0M |
| Madison Asset Management, LLC | 0.09% | Add +8.0% | 205,995 | $8.0M |
| Rhumbline Advisers | 0.01% | Reduce -5.5% | 201,584 | $7.9M |
| CW Advisors, LLC | 0.10% | Add +0.8% | 196,355 | $7.7M |
| First Eagle Investment Management, LLC | 0.02% | New | 191,427 | $7.5M |
| Sagefield Capital LP | 0.80% | Reduce -25.0% | 189,112 | $7.4M |
| Franklin Resources Inc. | 0.00% | New | 189,231 | $7.4M |
| Silvercrest Asset Management Group LLC | 0.05% | Reduce -0.6% | 177,435 | $6.9M |
| Envestnet Asset Management Inc. | 0.00% | Add +10.1% | 167,246 | $6.5M |
| UBS Group AG | 0.00% | Add +149.5% | 161,463 | $6.3M |
| California Public Employees Retirement System | 0.00% | Reduce -28.1% | 148,418 | $5.8M |
| Comerica Bank | 0.02% | Add +15.3% | 144,167 | $5.6M |
| Twinbeech Capital LP | 0.11% | Add +44.7% | 142,100 | $5.5M |
| Peregrine Capital Management LLC | 0.16% | Reduce -24.4% | 137,201 | $5.4M |
| Allianz Asset Management GmbH | 0.01% | Add +13.5% | 129,927 | $5.1M |
| Russell Investments Group, Ltd. | 0.01% | Add +106.8% | 124,073 | $4.8M |
| Raymond James Financial Services Advisors, Inc. | 0.01% | Add +0.9% | 121,923 | $4.8M |
| Castleark Management LLC | 0.19% | Reduce -3.5% | 118,178 | $4.6M |
| California State Teachers Retirement System | 0.01% | Reduce -3.0% | 116,054 | $4.5M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | New | 114,489 | $4.5M |
| Moody Aldrich Partners LLC | 0.81% | Reduce -8.0% | 114,130 | $4.5M |
| Legal & General Group Plc | 0.00% | Add +4.9% | 113,705 | $4.4M |
| Citigroup Inc. | 0.00% | Add +166.3% | 113,579 | $4.4M |
| Leuthold Group, LLC | 0.49% | Reduce -3.6% | 113,175 | $4.4M |
| Knights of Columbus Asset Advisors LLC | 0.28% | Reduce -29.3% | 109,870 | $4.3M |
| John G Ullman & Associates Inc. | 0.61% | Reduce -1.2% | 108,873 | $4.2M |
| Advisors Asset Management, Inc. | 0.08% | Add +7.2% | 108,268 | $4.2M |
| Cubist Systematic Strategies, LLC | 0.06% | New | 98,059 | $3.8M |
| Jane Street Group, LLC | 0.01% | Reduce -51.3% | 97,946 | $3.8M |
| Two Sigma Investments, LP | 0.01% | Reduce -63.1% | 93,015 | $3.6M |
| Holocene Advisors, LP | 0.01% | Add +23.2% | 92,397 | $3.6M |
| Granite Investment Partners, LLC | 0.15% | Reduce -23.0% | 88,569 | $3.5M |
| Susquehanna Portfolio Strategies, LLC | 0.23% | No change | 87,670 | $3.4M |
| Select Equity Group, L.P. | 0.01% | Add +12.8% | 84,734 | $3.3M |
| LPL Financial LLC | 0.00% | Add +9.9% | 81,321 | $3.2M |
| Alberta Investment Management Corp | 0.03% | Reduce -23.4% | 79,050 | $3.1M |
| NEOS Investment Management LLC | 0.09% | Add +57.9% | 78,474 | $3.1M |
| Hunter Associates Investment Management LLC | 0.46% | Add +104.4% | 76,963 | $3.0M |
| Verition Fund Management LLC | 0.02% | New | 75,021 | $2.9M |
| HSBC Holdings PLC | 0.00% | Add +10.3% | 74,681 | $2.9M |
| Townsquare Capital LLC | 0.03% | Add +6.2% | 73,986 | $2.9M |
"% 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.