SUM

Summit Materials, Inc. Class A Common Stock
SUM

Overview Fund Activity
Delisted

SUM was delisted on the 10th of February, 2025.

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193 hedge funds and large institutions have $2.39B invested in Summit Materials, Inc. Class A Common Stock in 2018 Q3 according to their latest regulatory filings, with 37 funds opening new positions, 75 increasing their positions, 60 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
193
Holders Change
-18
Holders Change %
-8.53%
% of All Funds
4.42%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.07%
New
37
Increased
75
Reduced
60
Closed
54
Calls
$46.5M
Puts
$4.18M
Net Calls
+$42.4M
Net Calls Change
+$26M

Top Buyers

1
SAM
1
Southeastern Asset Management
Tennessee
$168M
2
Principal Financial Group
2
Principal Financial Group
Iowa
$73.3M
3
Janus Henderson Group
3
Janus Henderson Group
United Kingdom
$157M
4
WIM
4
Weitz Investment Management
Nebraska
$29.1M
5
Millennium Management
5
Millennium Management
New York
$19.6M

Top Sellers

1
LCS
1
Levin Capital Strategies
New York
$0
2
SCM
2
Steadfast Capital Management
New York
$0
3
Holocene Advisors
3
Holocene Advisors
New York
$791K
4
VNIM
4
Vaughan Nelson Investment Management
Texas
$0
5
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$3.79M
Name Holding Trade Value Shares
Change 		Shares
Change %
Wellington Management Group
26
Wellington Management Group
Massachusetts
$29.5M -$22.3M -1,248,648 -43%
WIM
27
Weitz Investment Management
Nebraska
$29.1M +$25.8M +1,441,292 +766%
Northern Trust
28
Northern Trust
Illinois
$26.3M +$845K +47,279 +3%
Massachusetts Financial Services
29
Massachusetts Financial Services
Massachusetts
$26.1M +$8.41M +470,542 +47%
AC
30
Ashler Capital
Illinois
$24.5M +$9.83M +549,955 +67%
O
31
OppenheimerFunds
New York
$19.9M -$13.5M -755,406 -40%
Geode Capital Management
32
Geode Capital Management
Massachusetts
$19.7M +$1.17M +65,504 +6%
Millennium Management
33
Millennium Management
New York
$19.6M +$16.7M +934,542 +573%
Public Employees Retirement Association of Colorado
34
Public Employees Retirement Association of Colorado
Colorado
$18.2M – – –
Victory Capital Management
35
Victory Capital Management
Texas
$18M +$4.1M +229,361 +30%
Morgan Stanley
36
Morgan Stanley
New York
$16.3M -$13.3M -741,595 -45%
Bank of New York Mellon
37
Bank of New York Mellon
New York
$15.6M -$1.88M -105,426 -11%
Citadel Advisors
38
Citadel Advisors
Florida
$15.1M +$8.41M +470,627 +126%
HCM
39
Highfields Capital Management
Massachusetts
$13.6M +$13.6M +762,750 New
Charles Schwab
40
Charles Schwab
California
$13.6M +$1.07M +59,899 +9%
Norges Bank
41
Norges Bank
Norway
$12.9M – – –
BNP Paribas Asset Management
42
BNP Paribas Asset Management
France
$12.3M +$282K +15,758 +2%
State of New Jersey Common Pension Fund D
43
State of New Jersey Common Pension Fund D
New Jersey
$12M +$11.6M +650,880 +3,156%
Ameriprise
44
Ameriprise
Minnesota
$11.3M +$497K +27,831 +5%
UBS AM
45
UBS AM
Illinois
$10.3M +$294K +16,455 +3%
Deutsche Bank
46
Deutsche Bank
Germany
$9.44M -$302K -16,908 -3%
FIM
47
Foresters Investment Management
New York
$9.32M -$289K -16,170 -3%
KCM
48
Kennedy Capital Management
Missouri
$9.32M -$585K -32,723 -6%
KCM
49
Kornitzer Capital Management
Kansas
$9.32M +$1.08M +60,188 +13%
LW
50
Linscomb Wealth
Texas
$9.22M – – –
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