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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196 hedge funds and large institutions have $2.4B invested in Summit Materials, Inc. Class A Common Stock in 2016 Q4 according to their latest regulatory filings, with 58 funds opening new positions, 85 increasing their positions, 51 reducing their positions, and 25 closing their positions.

Holders
196
Holders Change
+31
Holders Change %
+18.79%
% of All Funds
4.91%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.1%
New
58
Increased
85
Reduced
51
Closed
25
Calls
$3.53M
Puts
$1.77M
Net Calls
+$1.76M
Net Calls Change
-$12.7M

Top Buyers

1
LCS
1
Levin Capital Strategies
New York
$68.3M
2
Deutsche Bank
2
Deutsche Bank
Germany
$63.4M
3
AL
3
Appaloosa LP
New Jersey
$40.3M
4
SCM
4
Steadfast Capital Management
New York
$37.7M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$168M

Top Sellers

1
Citadel Advisors
1
Citadel Advisors
Florida
$22M
2
Millennium Management
2
Millennium Management
New York
$15.9M
3
Marshall Wace
3
Marshall Wace
United Kingdom
$0
4
Royal Bank of Canada
4
Royal Bank of Canada
Ontario, Canada
$15.9M
5
CANY
5
Caxton Associates (New York)
New York
$4.31M
Name Market Value Shares Shares
Change 		Shares
Change %
DCM
101
Driehaus Capital Management
Illinois
$3.01M 126,488 +126,488 New
AR
102
Advisory Research
Illinois
$2.86M 120,387 +120,387 New
AI
103
Axiom Investors
Connecticut
$2.85M 119,662 +81,022 +210%
EI
104
EAM Investors
California
$2.83M 118,988 +118,988 New
RJA
105
Raymond James & Associates
Florida
$2.78M 116,733 -115 -0.1%
SCA
106
Secor Capital Advisors
New York
$2.68M 112,638 +64,864 +136%
D.E. Shaw & Co
107
D.E. Shaw & Co
New York
$2.64M 111,160 +69,014 +164%
TCM
108
Timpani Capital Management
Wisconsin
$2.64M 110,938 +110,938 New
RSCM
109
Rail-Splitter Capital Management
Illinois
$2.61M 109,767 +109,767 New
RA
110
Royce & Associates
New York
$2.56M 107,780 +107,780 New
AIMCA
111
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$2.56M 107,636 +19,316 +22%
LAM
112
Lapides Asset Management
Connecticut
$2.48M 104,032 +104,032 New
GACM
113
Global Alpha Capital Management
Quebec, Canada
$2.46M 103,193 +103,193 New
BG
114
BlackRock Group
United Kingdom
$2.41M 101,303 +61,743 +156%
Ohio Public Employees Retirement System (OPERS)
115
Ohio Public Employees Retirement System (OPERS)
Ohio
$2.4M 100,647 -8,355 -8%
EIM
116
Essex Investment Management
Massachusetts
$2.39M 100,465 +52,498 +109%
BA
117
BlackRock Advisors
Delaware
$2.39M 100,428 +14,300 +17%
Susquehanna International Group
118
Susquehanna International Group
Pennsylvania
$2.19M 92,080 +37,925 +70%
SC
119
Skylands Capital
Wisconsin
$2.17M 91,238 +25,538 +39%
ARTA
120
A.R.T. Advisors
New York
$2.08M 87,582 +87,582 New
RhumbLine Advisers
121
RhumbLine Advisers
Massachusetts
$2.06M 86,713 +11,563 +15%
Barclays
122
Barclays
United Kingdom
$1.74M 72,940 +35,069 +93%
1CM
123
1492 Capital Management
Wisconsin
$1.66M 69,718 +69,718 New
SA
124
Steadfast Advisors
New York
$1.61M 67,795 +67,795 New
TI
125
Turner Investments
Pennsylvania
$1.58M 66,388 -6,462 -9%
3 4
5
6 7