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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134 hedge funds and large institutions have $1.05B invested in Summit Materials, Inc. Class A Common Stock in 2015 Q4 according to their latest regulatory filings, with 35 funds opening new positions, 73 increasing their positions, 26 reducing their positions, and 20 closing their positions.

Holders
134
Holders Change
+14
Holders Change %
+11.67%
% of All Funds
3.52%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
35
Increased
73
Reduced
26
Closed
20
Calls
$234K
Puts
–
Net Calls
+$234K
Net Calls Change
+$5.97M

Top Buyers

1
Royal Bank of Canada
1
Royal Bank of Canada
Ontario, Canada
$29.1M
2
Allianz Asset Management
2
Allianz Asset Management
Germany
$13.3M
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$51.8M
4
MPAM
4
Monarch Partners Asset Management
Massachusetts
$11.1M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$66.1M

Top Sellers

1
CIC
1
Chilton Investment Company
Connecticut
$3.7M
2
Millennium Management
2
Millennium Management
New York
$0
3
Alyeska Investment Group
3
Alyeska Investment Group
Illinois
$24.5M
4
VAM
4
Visium Asset Management
New York
$4.51M
5
CM
5
Castleark Management
Illinois
$0
Name Market Value Shares Shares
Change 		Shares
Change %
JPMorgan Chase & Co
126
JPMorgan Chase & Co
New York
$3K 160 +160 New
PNC Financial Services Group
127
PNC Financial Services Group
Pennsylvania
$2K 76 +1 +1%
FIB
128
First Interstate Bank
Montana
$2K 101 +1 +1%
FNBT
129
FineMark National Bank & Trust
Florida
$2K 103 +2 +2%
Manulife (Manufacturers Life Insurance)
130
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$342 17,100 +460 +3%
Millennium Management
131
Millennium Management
New York
– – -776,475 Closed
CM
132
Castleark Management
Illinois
– – -336,905 Closed
VBCP
133
Vollero Beach Capital Partners
New York
– – -192,708 Closed
BCM
134
BlueMar Capital Management
Florida
– – -168,695 Closed
BCM
135
BlueCrest Capital Management
Jersey
– – -160,922 Closed
GL
136
GLG LLC
New York
– – -114,830 Closed
ARTA
137
A.R.T. Advisors
New York
– – -97,095 Closed
Hudson Bay Capital Management
138
Hudson Bay Capital Management
Connecticut
– – -61,750 Closed
EGM
139
Engineers Gate Manager
New York
– – -56,515 Closed
HCM
140
Highbridge Capital Management
New York
– – -51,801 Closed
Neuberger Berman Group
141
Neuberger Berman Group
New York
– – -46,208 Closed
D.E. Shaw & Co
142
D.E. Shaw & Co
New York
– – -41,217 Closed
DP
143
DSAM Partners
United Kingdom
– – -39,313 Closed
Squarepoint
144
Squarepoint
New York
– – -37,500 Closed
NI
145
Numeric Investors
Massachusetts
– – -35,200 Closed
NCM
146
Newland Capital Management
New York
– – -25,000 Closed
NIT
147
NumerixS Investment Technologies
British Columbia, Canada
– – -15,500 Closed
IRS
148
Invictus RG (Singapore)
Singapore
– – -8,774 Closed
TDC
149
Thompson Davis & Co
Virginia
– – -7,000 Closed
Acadian Asset Management
150
Acadian Asset Management
Massachusetts
– – -4,107 Closed
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6
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