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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228 hedge funds and large institutions have $3.95B invested in Summit Materials, Inc. Class A Common Stock in 2017 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 124 increasing their positions, 62 reducing their positions, and 23 closing their positions.

Holders
228
Holders Change
+13
Holders Change %
+6.05%
% of All Funds
5.18%
Holding in Top 10
7
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-30%
% of All Funds
0.16%
New
38
Increased
124
Reduced
62
Closed
23
Calls
$10.8M
Puts
$2.04M
Net Calls
+$8.73M
Net Calls Change
+$5.57M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$236M
2
PI
2
Putnam Investments
Massachusetts
$115M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$23.9M
4
Holocene Advisors
4
Holocene Advisors
New York
$22M
5
Jennison Associates
5
Jennison Associates
New York
$183M

Top Sellers

1
Deutsche Bank
1
Deutsche Bank
Germany
$20.1M
2
CCM
2
Clearfield Capital Management
New York
$0
3
HCM
3
Highfields Capital Management
Massachusetts
$0
4
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$164M
5
IAM
5
Impala Asset Management
Florida
$38.7M
Name Market Value Shares Shares
Change 		Shares
Change %
SC
151
Skylands Capital
Wisconsin
$792K 25,188 +338 +1%
T. Rowe Price Associates
152
T. Rowe Price Associates
Maryland
$759K 24,130 +313 +1%
PVAM
153
Pacific View Asset Management
California
$744K 23,639 +23,639 New
BNP Paribas Financial Markets
154
BNP Paribas Financial Markets
France
$734K 23,351 +10,629 +84%
Simplex Trading
155
Simplex Trading
Illinois
$663K 21,091 +21,091 New
State of New Jersey Common Pension Fund D
156
State of New Jersey Common Pension Fund D
New Jersey
$638K 20,280 -4,720 -19%
NSEDCP
157
NJ State Employees Deferred Compensation Plan
New Jersey
$638K 20,280 -1,720 -8%
Squarepoint
158
Squarepoint
New York
$614K 19,529 +19,529 New
Millennium Management
159
Millennium Management
New York
$559K 17,792 +17,792 New
OAM
160
Oppenheimer Asset Management
New York
$545K 17,000 – –
ProShare Advisors
161
ProShare Advisors
Maryland
$541K 17,221 +9,403 +120%
SAM
162
Symphony Asset Management
California
$523K 16,655 -321 -2%
AG
163
Aperio Group
California
$516K 16,421 +16,421 New
NERM
164
New England Research & Management
Illinois
$482K 15,318 +15,318 New
MSFP
165
Mark Sheptoff Financial Planning
Connecticut
$480K 15,251 -2,015 -12%
CC
166
Cipher Capital
New York
$477K 15,157 +15,157 New
AB
167
Amalgamated Bank
New York
$474K 15,084 +1,457 +11%
Stifel Financial
168
Stifel Financial
Missouri
$468K 14,852 +1,908 +15%
OAM
169
Oxford Asset Management
United Kingdom
$464K 14,872 +14,872 New
Citigroup
170
Citigroup
New York
$463K 14,709 -51,025 -78%
EGM
171
Engineers Gate Manager
New York
$459K 14,587 +6,210 +74%
Group One Trading
172
Group One Trading
Illinois
$427K 13,573 +13,573 New
MF
173
Magnetar Financial
Illinois
$421K 13,384 +13,384 New
DCM
174
Dimension Capital Management
Florida
$420K 13,354 – –
Principal Financial Group
175
Principal Financial Group
Iowa
$406K 12,920 +293 +2%
5 6
7
8 9