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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193 hedge funds and large institutions have $2.39B invested in Summit Materials, Inc. Class A Common Stock in 2018 Q3 according to their latest regulatory filings, with 37 funds opening new positions, 75 increasing their positions, 60 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
193
Holders Change
-18
Holders Change %
-8.53%
% of All Funds
4.42%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.07%
New
37
Increased
75
Reduced
60
Closed
54
Calls
$46.5M
Puts
$4.18M
Net Calls
+$42.4M
Net Calls Change
+$26M

Top Buyers

1
SAM
1
Southeastern Asset Management
Tennessee
$168M
2
Principal Financial Group
2
Principal Financial Group
Iowa
$73.3M
3
Janus Henderson Group
3
Janus Henderson Group
United Kingdom
$157M
4
WIM
4
Weitz Investment Management
Nebraska
$29.1M
5
Millennium Management
5
Millennium Management
New York
$19.6M

Top Sellers

1
LCS
1
Levin Capital Strategies
New York
$0
2
SCM
2
Steadfast Capital Management
New York
$0
3
Holocene Advisors
3
Holocene Advisors
New York
$791K
4
VNIM
4
Vaughan Nelson Investment Management
Texas
$0
5
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$3.79M
Name Holding Trade Value Shares
Change 		Shares
Change %
IAM
201
Impala Asset Management
Florida
– -$6M -232,518 Closed
OCM
202
Osterweis Capital Management
California
– -$5.79M -224,172 Closed
BPIM
203
Brant Point Investment Management
New York
– -$5.66M -219,251 Closed
HCM
204
Highbridge Capital Management
New York
– -$5.53M -214,253 Closed
NCGI
205
Next Century Growth Investors
Minnesota
– -$5.44M -210,854 Closed
IP
206
Interval Partners
New York
– -$5.03M -194,712 Closed
GLAM
207
Gardner Lewis Asset Management
Pennsylvania
– -$3.98M -154,031 Closed
CANY
208
Caxton Associates (New York)
New York
– -$3.94M -152,550 Closed
NIP
209
Nicholas Investment Partners
California
– -$3.92M -151,855 Closed
CRC
210
Curi RMB Capital
Illinois
– -$3.22M -124,573 Closed
ACM
211
Argent Capital Management
Missouri
– -$3.04M -117,911 Closed
MAP
212
Moody Aldrich Partners
Massachusetts
– -$2.41M -93,294 Closed
MAG
213
Millrace Asset Group
Pennsylvania
– -$2.33M -90,096 Closed
1CM
214
1492 Capital Management
Wisconsin
– -$2.13M -82,563 Closed
EIM
215
Essex Investment Management
Massachusetts
– -$1.58M -61,081 Closed
AI
216
Axiom Investors
Connecticut
– -$1.54M -59,652 Closed
Hudson Bay Capital Management
217
Hudson Bay Capital Management
Connecticut
– -$1.44M -55,918 Closed
First Trust Advisors
218
First Trust Advisors
Illinois
– -$815K -31,580 Closed
SCM
219
Suffolk Capital Management
New York
– -$799K -30,938 Closed
CC
220
Cipher Capital
New York
– -$678K -26,273 Closed
AAP
221
Ardsley Advisory Partners
Connecticut
– -$657K -25,425 Closed
PCM
222
Prelude Capital Management
New York
– -$517K -20,029 Closed
Baird Financial Group
223
Baird Financial Group
Wisconsin
– -$486K -18,828 Closed
AB
224
Amalgamated Bank
New York
– -$449K -17,408 Closed
QSS
225
Quantitative Systematic Strategies
Florida
– -$312K -12,103 Closed
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