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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120 hedge funds and large institutions have $920M invested in Summit Materials, Inc. Class A Common Stock in 2015 Q3 according to their latest regulatory filings, with 34 funds opening new positions, 64 increasing their positions, 19 reducing their positions, and 14 closing their positions.

Holders
120
Holders Change
+18
Holders Change %
+17.65%
% of All Funds
3.35%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.08%
New
34
Increased
64
Reduced
19
Closed
14
Calls
$161K
Puts
$5.9M
Net Calls
-$5.74M
Net Calls Change
-$5.65M

Top Buyers

1
BAMCO Inc
1
BAMCO Inc
New York
$66.5M
2
Goldman Sachs
2
Goldman Sachs
New York
$35.7M
3
Alyeska Investment Group
3
Alyeska Investment Group
Illinois
$34.2M
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$36.7M
5
Jennison Associates
5
Jennison Associates
New York
$57M

Top Sellers

1
BIM
1
Bogle Investment Management
Massachusetts
$0
2
ECM
2
Element Capital Management
New York
$0
3
CPIM
3
Columbia Partners Investment Management
Virginia
$0
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$774K
5
Morgan Stanley
5
Morgan Stanley
New York
$1.05M
Name Market Value Shares Shares
Change 		Shares
Change %
BAMCO Inc
1
BAMCO Inc
New York
$66.5M 3,545,376 +2,095,376 +145%
Jennison Associates
2
Jennison Associates
New York
$57M 3,037,839 +1,424,395 +88%
Vanguard Group
3
Vanguard Group
Pennsylvania
$51.8M 2,759,178 +1,188,464 +76%
JHIU
4
Janus Henderson Investors US
Colorado
$49.1M 2,617,794 +878,687 +51%
CIC
5
Chilton Investment Company
Connecticut
$39.4M 2,099,060 +700,699 +50%
Point72 Asset Management
6
Point72 Asset Management
Connecticut
$36.7M 1,954,100 +1,733,000 +784%
Goldman Sachs
7
Goldman Sachs
New York
$35.7M 1,904,268 +1,852,923 +3,609%
Alyeska Investment Group
8
Alyeska Investment Group
Illinois
$34.2M 1,821,968 +1,821,968 New
RCM
9
Roystone Capital Management
New York
$33.2M 1,767,500 +550,000 +45%
MCM
10
Melvin Capital Management
New York
$32.8M 1,750,000 +740,000 +73%
AllianceBernstein
11
AllianceBernstein
Tennessee
$32.5M 1,733,661 +529,710 +44%
Ameriprise
12
Ameriprise
Minnesota
$23.5M 1,254,052 +365,201 +41%
LI
13
LMCG Investments
Massachusetts
$23.2M 1,237,094 +693,976 +128%
Federated Hermes
14
Federated Hermes
Pennsylvania
$18.3M 977,235 +696,835 +249%
OA
15
Omega Advisors
New York
$17.5M 933,900 +333,900 +56%
Lord, Abbett & Co
16
Lord, Abbett & Co
New Jersey
$17.3M 922,572 +79,607 +9%
TP
17
Theleme Partners
United Kingdom
$16.7M 888,000 – –
Massachusetts Financial Services
18
Massachusetts Financial Services
Massachusetts
$16.4M 874,178 -562 -0.1%
Luther King Capital Management (LKCM)
19
Luther King Capital Management (LKCM)
Texas
$16M 852,275 +832,825 +4,282%
BIT
20
BlackRock Institutional Trust
California
$15.8M 842,432 +319,412 +61%
LHC
21
Lodge Hill Capital
New York
$15.4M 821,000 +495,000 +152%
Wellington Management Group
22
Wellington Management Group
Massachusetts
$15M 797,820 +34,710 +5%
Millennium Management
23
Millennium Management
New York
$14.6M 776,475 +285,653 +58%
Citadel Advisors
24
Citadel Advisors
Florida
$14.5M 774,848 +571,588 +281%
VAM
25
Visium Asset Management
New York
$12.4M 662,861 +557,022 +526%
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