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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267 hedge funds and large institutions have $4.6B invested in Summit Materials, Inc. Class A Common Stock in 2023 Q2 according to their latest regulatory filings, with 54 funds opening new positions, 85 increasing their positions, 82 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
267
Holders Change
+24
Holders Change %
+9.88%
% of All Funds
4.21%
Holding in Top 10
1
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-66.67%
% of All Funds
0.02%
New
54
Increased
85
Reduced
82
Closed
30
Calls
$8.57M
Puts
$2.38M
Net Calls
+$6.19M
Net Calls Change
+$4.05M

Top Buyers

1
Massachusetts Financial Services
1
Massachusetts Financial Services
Massachusetts
$90.5M
2
WHG
2
Westwood Holdings Group
Texas
$38M
3
Nuveen Asset Management
3
Nuveen Asset Management
Illinois
$99.6M
4
FAM
4
Fred Alger Management
New York
$24.1M
5
DCM
5
Driehaus Capital Management
Illinois
$22.4M

Top Sellers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$191M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$120M
3
Franklin Resources
3
Franklin Resources
California
$73.1M
4
Jennison Associates
4
Jennison Associates
New York
$82.4M
5
ECM
5
ExodusPoint Capital Management
New York
$3.13M
Name Holding Trade Value Shares
Change 		Shares
Change %
State Board of Administration of Florida Retirement System
126
State Board of Administration of Florida Retirement System
Florida
$1.29M +$64.1K +1,694 +5%
ASRS
127
Arizona State Retirement System
Arizona
$1.26M -$35.3K -933 -3%
KeyBank National Association
128
KeyBank National Association
Ohio
$1.15M -$107K -2,828 -9%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
129
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$1.13M – – –
RJFSA
130
Raymond James Financial Services Advisors
Florida
$1.12M -$86.1K -2,276 -7%
VA
131
Valmark Advisers
Ohio
$1.11M -$2.61K -69 -0.2%
Wolverine Trading
132
Wolverine Trading
Illinois
$1.11M +$1.11M +29,540 New
SFCL
133
Strengthening Families & Communities LLC
Massachusetts
$1.01M +$215K +5,671 +27%
Axa
134
Axa
France
$988K +$988K +26,100 New
Natixis Advisors
135
Natixis Advisors
Massachusetts
$979K +$309K +8,155 +46%
Calamos Advisors
136
Calamos Advisors
Illinois
$952K +$952K +25,146 New
NSEDCP
137
NJ State Employees Deferred Compensation Plan
New Jersey
$924K – – –
Mackenzie Financial
138
Mackenzie Financial
Ontario, Canada
$917K +$641K +17,276 +232%
DZ Bank
139
DZ Bank
Germany
$855K – – –
LIP
140
Lighthouse Investment Partners
Florida
$847K +$847K +22,390 New
Commonwealth Equity Services
141
Commonwealth Equity Services
Massachusetts
$832K -$48.1K -1,271 -5%
SPIA
142
Steward Partners Investment Advisory
New York
$804K -$38.5K -1,017 -5%
Acadian Asset Management
143
Acadian Asset Management
Massachusetts
$787K +$787K +20,858 New
GT
144
Glenmede Trust
Pennsylvania
$765K – – –
MNBTD
145
Moody National Bank Trust Division
Texas
$712K – – –
Boston Partners
146
Boston Partners
Massachusetts
$679K +$679K +47,346 New
Bank of Montreal
147
Bank of Montreal
Ontario, Canada
$601K -$245K -6,464 -29%
DA
148
Duality Advisers
Florida
$598K +$598K +15,803 New
HighTower Advisors
149
HighTower Advisors
Illinois
$590K +$590K +15,559 New
WG
150
Winton Group
United Kingdom
$590K +$256K +6,753 +77%
4 5
6
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