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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392 hedge funds and large institutions have $5.84B invested in Summit Materials, Inc. Class A Common Stock in 2024 Q4 according to their latest regulatory filings, with 121 funds opening new positions, 94 increasing their positions, 120 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
392
Holders Change
+60
Holders Change %
+18.07%
% of All Funds
5.22%
Holding in Top 10
19
Holding in Top 10 Change
+15
Holding in Top 10 Change %
+375%
% of All Funds
0.25%
New
121
Increased
94
Reduced
120
Closed
57
Calls
$38.5M
Puts
$4.43M
Net Calls
+$34.1M
Net Calls Change
+$111M

Top Buyers

1
TAL
1
TIG Advisors LLC
New York
$105M
2
UOC
2
UBS O'Connor
Illinois
$103M
3
Fidelity International
3
Fidelity International
Bermuda
$95.1M
4
Balyasny Asset Management
4
Balyasny Asset Management
Illinois
$81.8M
5
MF
5
Magnetar Financial
Illinois
$79.1M

Top Sellers

1
Massachusetts Financial Services
1
Massachusetts Financial Services
Massachusetts
$25.6M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$271M
3
Principal Financial Group
3
Principal Financial Group
Iowa
$87M
4
FCM
4
Frontier Capital Management
Massachusetts
$9.02M
5
ClearBridge Investments
5
ClearBridge Investments
New York
$46.4M
Name Holding Trade Value Shares
Change 		Shares
Change %
Commonwealth Equity Services
176
Commonwealth Equity Services
Massachusetts
$1.82M -$9.16K -181 -0.5%
ASRS
177
Arizona State Retirement System
Arizona
$1.8M +$15.4K +304 +0.9%
MS
178
Maven Securities
Jersey
$1.77M +$1.77M +35,000 New
State Board of Administration of Florida Retirement System
179
State Board of Administration of Florida Retirement System
Florida
$1.73M – – –
ProShare Advisors
180
ProShare Advisors
Maryland
$1.73M +$568K +11,222 +49%
American Century Companies
181
American Century Companies
Missouri
$1.68M -$76.8M -1,517,609 -98%
CG
182
Carmignac Gestion
France
$1.68M +$1.68M +33,150 New
VPIM
183
Vanguard Personalized Indexing Management
California
$1.66M +$371K +7,326 +29%
GCM
184
Greenland Capital Management
New York
$1.64M +$1.64M +32,316 New
MNBTD
185
Moody National Bank Trust Division
Texas
$1.58M – – –
BPAMU
186
BTG Pactual Asset Management US
New York
$1.52M +$1.52M +30,000 New
COPPSERS
187
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.52M +$1.52M +30,000 New
Stifel Financial
188
Stifel Financial
Missouri
$1.51M -$993K -19,632 -40%
AMI
189
Amica Mutual Insurance
Rhode Island
$1.47M -$591K -11,687 -29%
SF
190
Synovus Financial
Georgia
$1.45M +$22.5K +445 +2%
HCM
191
Harvey Capital Management
Florida
$1.4M -$1.09M -21,456 -44%
BNP Paribas Financial Markets
192
BNP Paribas Financial Markets
France
$1.4M -$159K -3,152 -10%
SC
193
Sagefield Capital
Texas
$1.38M -$8.19M -161,812 -86%
BFM
194
Boothbay Fund Management
New York
$1.37M +$1.37M +26,991 New
PFSRSONJ
195
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.31M +$1.31M +25,792 New
KK
196
KLP Kapitalforvaltning
Norway
$1.26M +$1.26M +24,843 New
SA
197
Sanctuary Advisors
Indiana
$1.25M -$82.1K -1,567 -6%
NSEDCP
198
NJ State Employees Deferred Compensation Plan
New Jersey
$1.24M – – –
PP
199
Paloma Partners
Connecticut
$1.21M +$1.21M +24,000 New
GCM
200
Graham Capital Management
Connecticut
$1.21M +$1.21M +24,000 New
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