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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229 hedge funds and large institutions have $3.73B invested in Summit Materials, Inc. Class A Common Stock in 2018 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 79 increasing their positions, 100 reducing their positions, and 23 closing their positions.

Holders
229
Holders Change
+1
Holders Change %
+0.44%
% of All Funds
5.26%
Holding in Top 10
9
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+28.57%
% of All Funds
0.21%
New
24
Increased
79
Reduced
100
Closed
23
Calls
$7.4M
Puts
$1.59M
Net Calls
+$5.81M
Net Calls Change
-$2.92M

Top Buyers

1
Holocene Advisors
1
Holocene Advisors
New York
$58.6M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$74.3M
3
CCM
3
Clearfield Capital Management
New York
$20.1M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$245M
5
LM
5
Luminus Management
Texas
$45.5M

Top Sellers

1
TBC
1
Three Bays Capital
Massachusetts
$80.5M
2
LCS
2
Levin Capital Strategies
New York
$42.5M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$0
4
BA
4
Boston Advisors
Massachusetts
$603K
5
Deutsche Bank
5
Deutsche Bank
Germany
$7.52M
Name Market Value Shares Shares
Change 		Shares
Change %
Teacher Retirement System of Texas
151
Teacher Retirement System of Texas
Texas
$739K 24,397 -13,275 -35%
T. Rowe Price Associates
152
T. Rowe Price Associates
Maryland
$737K 24,344 +214 +0.9%
Squarepoint
153
Squarepoint
New York
$718K 23,707 +4,178 +21%
GXMC
154
Global X Management Company
New York
$688K 22,713 +15,128 +199%
Citadel Advisors
155
Citadel Advisors
Florida
$686K 22,667 -257,298 -92%
HSBC Holdings
156
HSBC Holdings
United Kingdom
$666K 22,009 +22,009 New
GC
157
Guggenheim Capital
Illinois
$650K 21,420 -34,493 -62%
State of New Jersey Common Pension Fund D
158
State of New Jersey Common Pension Fund D
New Jersey
$614K 20,280 – –
NERM
159
New England Research & Management
Illinois
$604K 19,932 +4,614 +30%
BA
160
Boston Advisors
Massachusetts
$603K 19,930 -458,826 -96%
Jane Street
161
Jane Street
New York
$583K 19,270 -7,357 -28%
MSFP
162
Mark Sheptoff Financial Planning
Connecticut
$565K 18,652 +3,401 +22%
Baird Financial Group
163
Baird Financial Group
Wisconsin
$561K 18,539 +10,454 +129%
NSEDCP
164
NJ State Employees Deferred Compensation Plan
New Jersey
$545K 18,000 -2,280 -11%
OAM
165
Oppenheimer Asset Management
New York
$535K 17,657 +657 +4%
State Board of Administration of Florida Retirement System
166
State Board of Administration of Florida Retirement System
Florida
$527K 17,403 +17,403 New
USAA
167
United Services Automobile Association
Texas
$522K 17,224 +17,224 New
Tudor Investment Corp
168
Tudor Investment Corp
Connecticut
$508K 16,790 +8,064 +92%
ProShare Advisors
169
ProShare Advisors
Maryland
$450K 14,872 -2,349 -14%
SAM
170
Symphony Asset Management
California
$449K 14,820 -1,835 -11%
AB
171
Amalgamated Bank
New York
$448K 14,784 -300 -2%
Walleye Trading
172
Walleye Trading
New York
$446K 14,732 -48,623 -77%
XK
173
Xact Kapitalforvaltning
Sweden
$432K 14,264 +5,200 +57%
Citigroup
174
Citigroup
New York
$420K 13,871 -838 -6%
DCM
175
Dimension Capital Management
Florida
$410K 13,540 +186 +1%
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