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

Top Sellers

1
LCS
Levin Capital Strategies
New York
$0
2
SCM
Steadfast Capital Management
New York
$0
3
Holocene Advisors
Holocene Advisors
New York
$791K
4
VNIM
Vaughan Nelson Investment Management
Texas
$0
5
Point72 Asset Management
Point72 Asset Management
Connecticut
$3.79M
Name Holding Trade Value Shares
Change 		Shares
Change %
UBS Group
126
UBS Group
Switzerland
$515K -$909K -50,795 -64%
Walleye Trading
127
Walleye Trading
New York
$481K -$3.02K -169 -0.6%
CSS
128
Cubist Systematic Strategies
Connecticut
$456K +$300K +16,759 +192%
PI
129
PEAK6 Investments
Illinois
$444K +$444K +24,847 New
OAM
130
Oxford Asset Management
United Kingdom
$426K -$5.64M -315,665 -93%
GC
131
Guggenheim Capital
Illinois
$387K +$106K +5,951 +38%
NJBEST
132
New Jersey Better Educational Savings Trust
New Jersey
$382K +$18.2K +1,017 +5%
CCB
133
Cutter & Co Brokerage
Missouri
$353K +$353K +19,730 New
PP
134
Paloma Partners
Connecticut
$349K +$349K +19,526 New
Simplex Trading
135
Simplex Trading
Illinois
$341K -$53.9K -3,014 -14%
NERM
136
New England Research & Management
Illinois
$329K -$27.6K -1,546 -8%
State Board of Administration of Florida Retirement System
137
State Board of Administration of Florida Retirement System
Florida
$319K – – –
XK
138
Xact Kapitalforvaltning
Sweden
$319K – – –
AG
139
Aperio Group
California
$314K +$103K +5,754 +49%
USAA
140
United Services Automobile Association
Texas
$313K – – –
ProShare Advisors
141
ProShare Advisors
Maryland
$260K -$21.3K -1,196 -8%
PNC Financial Services Group
142
PNC Financial Services Group
Pennsylvania
$246K -$2.38K -133 -1%
DCM
143
Dimension Capital Management
Florida
$246K – – –
Teacher Retirement System of Texas
144
Teacher Retirement System of Texas
Texas
$239K -$169K -9,419 -41%
Prudential Financial
145
Prudential Financial
New Jersey
$231K -$5.28K -295 -2%
SSWM
146
Sheets Smith Wealth Management
North Carolina
$230K +$230K +12,884 New
Canada Life
147
Canada Life
Manitoba, Canada
$229K – – –
Wolverine Trading
148
Wolverine Trading
Illinois
$221K -$4.36K -244 -2%
AG
149
Advisor Group
Arizona
$215K +$180K +10,038 +506%
RJFSA
150
Raymond James Financial Services Advisors
Florida
$201K +$201K +11,269 New
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