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 $3.48B invested in Summit Materials, Inc. Class A Common Stock in 2017 Q2 according to their latest regulatory filings, with 31 funds opening new positions, 89 increasing their positions, 75 reducing their positions, and 37 closing their positions.

Holders
211
Holders Change
-7
Holders Change %
-3.21%
% of All Funds
5.27%
Holding in Top 10
5
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.12%
New
31
Increased
89
Reduced
75
Closed
37
Calls
$12.1M
Puts
$819K
Net Calls
+$11.3M
Net Calls Change
-$10.7M

Top Buyers

1
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$122M
2
TBC
2
Three Bays Capital
Massachusetts
$75.9M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$87M
4
PI
4
Putnam Investments
Massachusetts
$68.9M
5
Westfield Capital Management
5
Westfield Capital Management
Massachusetts
$86.3M

Top Sellers

1
Citadel Advisors
1
Citadel Advisors
Florida
$12.7M
2
BlackRock
2
BlackRock
New York
$190M
3
RCM
3
Roystone Capital Management
New York
$3.17M
4
MCM
4
Melvin Capital Management
New York
$72.2M
5
LW
5
Linscomb Wealth
Texas
$14.5M
Name Market Value Shares Shares
Change 		Shares
Change %
BCM
151
Bluefin Capital Management
New York
$824K 28,530 +28,530 New
TRSOTSOK
152
Teachers Retirement System of the State of Kentucky
Kentucky
$812K 28,134 – –
CC
153
Cipher Capital
New York
$810K 28,054 -113,575 -80%
MAP
154
Moody Aldrich Partners
Massachusetts
$783K 27,135 +7,480 +38%
PCM
155
Prelude Capital Management
New York
$730K 25,300 -2,800 -10%
T. Rowe Price Associates
156
T. Rowe Price Associates
Maryland
$688K 23,817 +8 +0%
TI
157
Turner Investments
Pennsylvania
$681K 23,588 +5,270 +29%
OAM
158
Oppenheimer Asset Management
New York
$614K 21,264 -6,421 -23%
Principal Financial Group
159
Principal Financial Group
Iowa
$575K 19,913 -1,455 -7%
BLA
160
Balter Liquid Alternatives
Massachusetts
$543K 18,804 +18,804 New
QSS
161
Quantitative Systematic Strategies
Florida
$459K 16,057 -574 -3%
Prudential Financial
162
Prudential Financial
New Jersey
$456K 15,785 +4,050 +35%
QC
163
Quadrature Capital
United Kingdom
$443K 15,343 +15,343 New
WSCM
164
Wellington Shields Capital Management
New York
$433K 15,000 -600 -4%
BNP Paribas Financial Markets
165
BNP Paribas Financial Markets
France
$424K 14,695 +12,544 +583%
SSA
166
Schonfeld Strategic Advisors
New York
$387K 13,420 +13,420 New
DCM
167
Dimension Capital Management
Florida
$386K 13,354 +13,354 New
AB
168
Amalgamated Bank
New York
$374K 12,940 +672 +5%
MSFP
169
Mark Sheptoff Financial Planning
Connecticut
$364K 12,616 +4,349 +53%
TC
170
TFS Capital
Pennsylvania
$357K 12,370 -37,837 -75%
Canada Life
171
Canada Life
Manitoba, Canada
$357K 12,399 – –
PP
172
Paloma Partners
Connecticut
$356K 12,327 -30,006 -71%
LPL Financial
173
LPL Financial
California
$346K 11,985 -9,865 -45%
SO
174
STRS Ohio
Ohio
$314K 10,900 +3,100 +40%
SG Americas Securities
175
SG Americas Securities
New York
$308K 10,684 +3,384 +46%
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