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.

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 Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$182M 10,023,710 +253,306 +3%
SAM
2
Southeastern Asset Management
Tennessee
$168M 9,251,255 +9,251,255 New
Janus Henderson Group
3
Janus Henderson Group
United Kingdom
$157M 8,620,282 +2,758,136 +47%
BlackRock
4
BlackRock
New York
$140M 7,688,178 +128,036 +2%
Jennison Associates
5
Jennison Associates
New York
$106M 5,857,209 -42,139 -0.7%
Adage Capital Partners
6
Adage Capital Partners
Massachusetts
$94.1M 5,175,462 +300,000 +6%
TBC
7
Three Bays Capital
Massachusetts
$83M 4,568,000 +198,699 +5%
Principal Financial Group
8
Principal Financial Group
Iowa
$73.3M 4,032,614 +3,957,963 +5,302%
PI
9
Putnam Investments
Massachusetts
$64.5M 3,549,151 -664,228 -16%
Fidelity Investments
10
Fidelity Investments
Massachusetts
$58.7M 3,231,327 -1,186,722 -27%
EAM
11
Eagle Asset Management
Florida
$57.5M 3,163,095 +286,284 +10%
AL
12
Appaloosa LP
New Jersey
$54.2M 2,979,430 +399,116 +15%
BAMCO Inc
13
BAMCO Inc
New York
$53.3M 2,932,866 -525,576 -15%
TCM
14
TimesSquare Capital Management
New York
$52.6M 2,891,731 +501,849 +21%
WHG
15
Westwood Holdings Group
Texas
$48.8M 2,682,814 +725,607 +37%
Westfield Capital Management
16
Westfield Capital Management
Massachusetts
$42.5M 2,335,258 -71,201 -3%
State Street
17
State Street
Massachusetts
$41.4M 2,275,439 +47,379 +2%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$40.3M 2,214,471 +325,197 +17%
CTA
19
Carillon Tower Advisers
Florida
$39.6M 2,180,026 +261,838 +14%
JPMorgan Chase & Co
20
JPMorgan Chase & Co
New York
$39.5M 2,175,362 +443,477 +26%
HA
21
Homestead Advisers
Virginia
$37.3M 2,054,197 – –
ClearBridge Investments
22
ClearBridge Investments
New York
$32.6M 1,791,576 +199,491 +13%
Goldman Sachs
23
Goldman Sachs
New York
$32.2M 1,768,913 +24,952 +1%
AllianceBernstein
24
AllianceBernstein
Tennessee
$31.5M 1,734,972 +65,606 +4%
EIP
25
Epoch Investment Partners
New York
$31.4M 1,729,223 +288,487 +20%
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