Security key
86614U100
SUMMIT MATERIALS INC -CL A - COMMON STOCK (SUM)
CUSIP: 86614U100
Q2 2024 13F Holders as of 30 Jun 2024
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 122,003,566
- Total 13F value
- $4,465,497,316
- Share change
- +579,679
- Put/Call ratio
- 38%
- SEC-reported price per share
- $36.61
- Number of holders
- 300
- Value change
- +$2,441,136
- Number of buys
- 156
- Number of sells
- 139
- Shares outstanding
- 178,464,433
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2024
Institutions
300
Top holders
10
SUM full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
Summit Materials, Inc. SEC filings
Summit Materials, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 86614U100
Recent filing periods:
Ownership snapshot
Top reported holders of SUM - SUMMIT MATERIALS INC -CL A - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
31 Mar 2024
13F
Lead comparable stake: 6.9%
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC leads the comparable SEC ownership view at 6.9%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD GROUP INC's linked filing trail.
Comparable ownership
Top 5
VANGUARD GROUP INC
6.9%
BlackRock Finance, Inc.
5.6%
PRICE T ROWE ASSOCIATES INC /MD/
5%
MASSACHUSETTS FINANCIAL SERVICES ...
3.8%
PRINCIPAL FINANCIAL GROUP INC
3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
6.9%
|
$545,561,135
12,240,546 shares
|
— | 31 Mar 2024 |
| BlackRock Finance, Inc. |
13F
Company
|
5.6%
|
$446,450,735
10,016,844 shares
|
— | 31 Mar 2024 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
5%
|
$393,871,000
8,837,110 shares
|
— | 31 Mar 2024 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
Company
|
3.8%
|
$301,374,051
6,761,814 shares
|
— | 31 Mar 2024 |
| PRINCIPAL FINANCIAL GROUP INC |
13F
Company
|
3%
|
$237,294,141
5,324,077 shares
|
— | 31 Mar 2024 |
| MACQUARIE GROUP LTD |
13F
Company
|
2.9%
|
$231,073,000
5,184,085 shares
|
— | 31 Mar 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
300
Shares
122,003,566
Rows available
300
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2024 vs Q4 2025 Across Filers
Q4 2025 holders
1
Q2 2024 holders
300
Holder diff
299
| Investor | Q4 2025 Shares | Q2 2024 Shares | Share Diff | Share Chg % | Q4 2025 value | Q2 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend