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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211 hedge funds and large institutions have $3.32B invested in Summit Materials, Inc. Class A Common Stock in 2018 Q2 according to their latest regulatory filings, with 28 funds opening new positions, 86 increasing their positions, 75 reducing their positions, and 44 closing their positions.

Holders
211
Holders Change
-18
Holders Change %
-7.86%
% of All Funds
4.84%
Holding in Top 10
5
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-44.44%
% of All Funds
0.11%
New
28
Increased
86
Reduced
75
Closed
44
Calls
$22.2M
Puts
$5.85M
Net Calls
+$16.4M
Net Calls Change
+$10.6M

Top Buyers

1
CTA
1
Carillon Tower Advisers
Florida
$50.4M
2
EAM
2
Eagle Asset Management
Florida
$75.5M
3
TBC
3
Three Bays Capital
Massachusetts
$115M
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$128M
5
Janus Henderson Group
5
Janus Henderson Group
United Kingdom
$154M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$116M
2
MCM
2
Melvin Capital Management
New York
$0
3
Victory Capital Management
3
Victory Capital Management
Texas
$20M
4
IAM
4
Impala Asset Management
Florida
$6M
5
AIM
5
Artemis Investment Management
United Kingdom
$0
Name Market Value Shares Shares
Change 		Shares
Change %
PCM
101
Penn Capital Management
Pennsylvania
$2.58M 94,609 -544,427 -85%
SEI Investments
102
SEI Investments
Pennsylvania
$2.56M 97,630 -110,691 -53%
Natixis Advisors
103
Natixis Advisors
Massachusetts
$2.46M 93,505 -15,745 -14%
Susquehanna International Group
104
Susquehanna International Group
Pennsylvania
$2.45M 93,141 +45,165 +94%
MAP
105
Moody Aldrich Partners
Massachusetts
$2.41M 91,735 +39,282 +75%
MAG
106
Millrace Asset Group
Pennsylvania
$2.33M 88,590 -1,410 -2%
Macquarie Group
107
Macquarie Group
Australia
$2.21M 84,142 – –
Manulife (Manufacturers Life Insurance)
108
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.15M 81,848 +373 +0.5%
1CM
109
1492 Capital Management
Wisconsin
$2.13M 81,183 -2,715 -3%
UBS Group
110
UBS Group
Switzerland
$2.05M 78,254 +9,951 +15%
Principal Financial Group
111
Principal Financial Group
Iowa
$1.96M 74,651 +63,061 +544%
AIG
112
American International Group
New York
$1.92M 73,067 +2,303 +3%
FP
113
Foundry Partners
Minnesota
$1.86M 70,955 -5,199 -7%
VOYA Investment Management
114
VOYA Investment Management
Georgia
$1.83M 69,837 -20,671 -23%
PVAM
115
Pacific View Asset Management
California
$1.63M 61,968 +27,699 +81%
RJA
116
Raymond James & Associates
Florida
$1.62M 61,792 +30,481 +97%
EIM
117
Essex Investment Management
Massachusetts
$1.58M 60,060 +4,208 +8%
EMR
118
Errol M. Rudman
$1.58M 60,000 -37,000 -38%
TI
119
Trexquant Investment
Connecticut
$1.55M 58,885 +58,885 New
AI
120
Axiom Investors
Connecticut
$1.54M 58,655 -156,281 -73%
AQR Capital Management
121
AQR Capital Management
Connecticut
$1.48M 56,490 -83,687 -60%
DC
122
Davenport & Co
Virginia
$1.46M 55,496 -2,376 -4%
Hudson Bay Capital Management
123
Hudson Bay Capital Management
Connecticut
$1.44M 54,983 -36,792 -40%
BC
124
Barnett & Company
Tennessee
$1.38M 52,505 -2,028 -4%
MIM
125
MetLife Investment Management
New Jersey
$1.35M 51,305 – –
3 4
5
6 7