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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211 hedge funds and large institutions have $3.32B invested in Summit Materials, Inc. Class A Common Stock in 2018 Q2 according to their latest regulatory filings, with 28 funds opening new positions, 86 increasing their positions, 75 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
211
Holders Change
-18
Holders Change %
-7.86%
% of All Funds
4.84%
Holding in Top 10
5
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-44.44%
% of All Funds
0.11%
New
28
Increased
86
Reduced
75
Closed
44
Calls
$22.2M
Puts
$5.85M
Net Calls
+$16.4M
Net Calls Change
+$10.6M

Top Buyers

1
CTA
Carillon Tower Advisers
Florida
$50.4M
2
EAM
Eagle Asset Management
Florida
$75.5M
3
TBC
Three Bays Capital
Massachusetts
$115M
4
Adage Capital Partners
Adage Capital Partners
Massachusetts
$128M
5
Janus Henderson Group
Janus Henderson Group
United Kingdom
$154M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$116M
2
MCM
Melvin Capital Management
New York
$0
3
Victory Capital Management
Victory Capital Management
Texas
$20M
4
IAM
Impala Asset Management
Florida
$6M
5
AIM
Artemis Investment Management
United Kingdom
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
LPL Financial
226
LPL Financial
California
– -$905K -30,399 Closed
MF
227
Magnetar Financial
Illinois
– -$879K -29,528 Closed
Capital Fund Management (CFM)
228
Capital Fund Management (CFM)
France
– -$772K -25,934 Closed
BCM
229
Bayesian Capital Management
New York
– -$772K -25,934 Closed
EMG
230
Ellington Management Group
Connecticut
– -$760K -25,527 Closed
Squarepoint
231
Squarepoint
New York
– -$718K -24,110 Closed
HSBC Holdings
232
HSBC Holdings
United Kingdom
– -$666K -22,383 Closed
BA
233
Boston Advisors
Massachusetts
– -$603K -20,269 Closed
Jane Street
234
Jane Street
New York
– -$583K -19,598 Closed
Tudor Investment Corp
235
Tudor Investment Corp
Connecticut
– -$508K -17,075 Closed
SAM
236
Symphony Asset Management
California
– -$449K -15,072 Closed
DTL
237
Dynamic Technology Lab
Singapore
– -$370K -12,444 Closed
Balyasny Asset Management
238
Balyasny Asset Management
Illinois
– -$362K -12,173 Closed
SSA
239
Schonfeld Strategic Advisors
New York
– -$358K -12,039 Closed
II
240
Ibex Investors
Colorado
– -$305K -10,261 Closed
Comerica Bank
241
Comerica Bank
Texas
– -$258K -8,933 Closed
VI
242
Versor Investments
New York
– -$263K -8,836 Closed
QC
243
Quadrature Capital
United Kingdom
– -$254K -8,532 Closed
VWM
244
Venturi Wealth Management
Texas
– -$251K -8,436 Closed
VCM
245
Virtue Capital Management
Tennessee
– -$101K -3,560 Closed
WT
246
Whittier Trust
California
– -$41K -1,371 Closed
Group One Trading
247
Group One Trading
Illinois
– -$35K -1,178 Closed
WIM
248
Westside Investment Management
California
– -$11.8K -418 Closed
LFA
249
Legacy Financial Advisors
Kentucky
– -$10K -376 Closed
GRP
250
Global Retirement Partners
California
– -$4K -143 Closed
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