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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215 hedge funds and large institutions have $4.03B invested in Summit Materials, Inc. Class A Common Stock in 2017 Q3 according to their latest regulatory filings, with 36 funds opening new positions, 85 increasing their positions, 71 reducing their positions, and 31 closing their positions.

Holders
215
Holders Change
+4
Holders Change %
+1.9%
% of All Funds
5.37%
Holding in Top 10
10
Holding in Top 10 Change
+5
Holding in Top 10 Change %
+100%
% of All Funds
0.25%
New
36
Increased
85
Reduced
71
Closed
31
Calls
$5.05M
Puts
$1.88M
Net Calls
+$3.16M
Net Calls Change
-$8.09M

Top Buyers

1
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$193M
2
Deutsche Bank
2
Deutsche Bank
Germany
$117M
3
Jennison Associates
3
Jennison Associates
New York
$166M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$135M
5
TBC
5
Three Bays Capital
Massachusetts
$120M

Top Sellers

1
TCM
1
TimesSquare Capital Management
New York
$58.7M
2
Goldman Sachs
2
Goldman Sachs
New York
$68M
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$27.9M
4
MCM
4
Melvin Capital Management
New York
$58.5M
5
DKCM
5
Davidson Kempner Capital Management
New York
$16M
Name Market Value Shares Shares
Change 		Shares
Change %
RA
101
Royce & Associates
New York
$4.96M 154,780 – –
ACM
102
Argent Capital Management
Missouri
$4.9M 153,045 +950 +0.6%
FWC
103
First Washington Corp
Washington
$4.7M 146,610 -470 -0.3%
FP
104
Foundry Partners
Minnesota
$4.2M 131,028 -360 -0.3%
AAM
105
Advisors Asset Management
Colorado
$4.16M 129,981 +9,779 +8%
State of Tennessee, Department of Treasury
106
State of Tennessee, Department of Treasury
Tennessee
$4.11M 128,432 – –
AQR Capital Management
107
AQR Capital Management
Connecticut
$4.09M 127,722 +28,791 +29%
SPPAM
108
Summit Partners Public Asset Management
Massachusetts
$4M 125,000 +125,000 New
RhumbLine Advisers
109
RhumbLine Advisers
Massachusetts
$3.91M 121,975 +3,549 +3%
Natixis Advisors
110
Natixis Advisors
Massachusetts
$3.72M 116,049 +11,861 +11%
AR
111
Advisory Research
Illinois
$3.38M 105,657 +3,047 +3%
HCM
112
Highbridge Capital Management
New York
$3.2M 100,000 -75,000 -43%
LAM
113
Lapides Asset Management
Connecticut
$3.15M 98,332 -5,500 -5%
PC
114
Pier Capital
Connecticut
$3.13M 97,707 -110,426 -53%
Legal & General Group
115
Legal & General Group
United Kingdom
$2.9M 90,409 +5,096 +6%
EIM
116
Essex Investment Management
Massachusetts
$2.86M 89,227 -4,323 -5%
1CM
117
1492 Capital Management
Wisconsin
$2.77M 86,349 -1,228 -1%
VOYA Investment Management
118
VOYA Investment Management
Georgia
$2.69M 84,011 +33,340 +66%
BCFA
119
BP Capital Fund Advisors
Texas
$2.69M 83,827 -11,143 -12%
Manulife (Manufacturers Life Insurance)
120
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.59M 80,901 -1,470 -2%
EI
121
EAM Investors
California
$2.56M 80,003 -24,180 -23%
GLAM
122
Gardner Lewis Asset Management
Pennsylvania
$2.45M 76,610 +76,610 New
Ohio Public Employees Retirement System (OPERS)
123
Ohio Public Employees Retirement System (OPERS)
Ohio
$2.39M 74,563 -11,075 -13%
ACM
124
Atika Capital Management
New York
$2.39M 74,500 -40,500 -35%
MLICM
125
Metropolitan Life Insurance Company (MetLife)
New York
$2.34M 72,958 -706 -1%
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5
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