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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134 hedge funds and large institutions have $1.05B invested in Summit Materials, Inc. Class A Common Stock in 2015 Q4 according to their latest regulatory filings, with 35 funds opening new positions, 73 increasing their positions, 26 reducing their positions, and 20 closing their positions.

Holders
134
Holders Change
+14
Holders Change %
+11.67%
% of All Funds
3.52%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
35
Increased
73
Reduced
26
Closed
20
Calls
$234K
Puts
–
Net Calls
+$234K
Net Calls Change
+$5.97M

Top Buyers

1
Royal Bank of Canada
1
Royal Bank of Canada
Ontario, Canada
$29.1M
2
Allianz Asset Management
2
Allianz Asset Management
Germany
$13.3M
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$51.8M
4
MPAM
4
Monarch Partners Asset Management
Massachusetts
$11.1M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$66.1M

Top Sellers

1
CIC
1
Chilton Investment Company
Connecticut
$3.7M
2
Millennium Management
2
Millennium Management
New York
$0
3
Alyeska Investment Group
3
Alyeska Investment Group
Illinois
$24.5M
4
VAM
4
Visium Asset Management
New York
$4.51M
5
CM
5
Castleark Management
Illinois
$0
Name Market Value Shares Shares
Change 		Shares
Change %
BAMCO Inc
1
BAMCO Inc
New York
$74.5M 3,718,555 +173,179 +5%
Jennison Associates
2
Jennison Associates
New York
$71M 3,542,184 +504,345 +17%
Vanguard Group
3
Vanguard Group
Pennsylvania
$66.1M 3,300,294 +541,116 +20%
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$51.8M 2,582,776 +628,676 +32%
JHIU
5
Janus Henderson Investors US
Colorado
$49.3M 2,460,297 -157,497 -6%
Goldman Sachs
6
Goldman Sachs
New York
$42.7M 2,128,523 +224,255 +12%
AllianceBernstein
7
AllianceBernstein
Tennessee
$36.5M 1,818,883 +85,222 +5%
RCM
8
Roystone Capital Management
New York
$33.9M 1,692,509 -74,991 -4%
Ameriprise
9
Ameriprise
Minnesota
$32.3M 1,612,386 +358,334 +29%
MCM
10
Melvin Capital Management
New York
$32.1M 1,600,000 -150,000 -9%
Royal Bank of Canada
11
Royal Bank of Canada
Ontario, Canada
$29.1M 1,452,343 +1,449,209 +46,242%
Alyeska Investment Group
12
Alyeska Investment Group
Illinois
$24.5M 1,223,003 -598,965 -33%
BIT
13
BlackRock Institutional Trust
California
$23.3M 1,163,045 +320,613 +38%
Federated Hermes
14
Federated Hermes
Pennsylvania
$22.4M 1,116,384 +139,149 +14%
TCM
15
TimesSquare Capital Management
New York
$22.3M 1,111,679 +486,679 +78%
Massachusetts Financial Services
16
Massachusetts Financial Services
Massachusetts
$21.7M 1,082,910 +208,732 +24%
OA
17
Omega Advisors
New York
$20.2M 1,007,688 +73,788 +8%
Wellington Management Group
18
Wellington Management Group
Massachusetts
$18.1M 902,995 +105,175 +13%
TP
19
Theleme Partners
United Kingdom
$18.1M 901,320 +13,320 +2%
Lord, Abbett & Co
20
Lord, Abbett & Co
New Jersey
$16.3M 815,785 -106,787 -12%
BFA
21
BlackRock Fund Advisors
California
$15.9M 795,036 +187,854 +31%
CAM
22
Cortina Asset Management
Wisconsin
$14.4M 716,997 +215,898 +43%
Allianz Asset Management
23
Allianz Asset Management
Germany
$13.3M 665,713 +650,992 +4,422%
Luther King Capital Management (LKCM)
24
Luther King Capital Management (LKCM)
Texas
$12.4M 618,423 -233,852 -27%
LHC
25
Lodge Hill Capital
New York
$11.8M 590,094 -230,906 -28%
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