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.

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

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$116M
2
MCM
2
Melvin Capital Management
New York
$0
3
Victory Capital Management
3
Victory Capital Management
Texas
$20M
4
IAM
4
Impala Asset Management
Florida
$6M
5
AIM
5
Artemis Investment Management
United Kingdom
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$256M 9,770,404 +345,887 +4%
BlackRock
2
BlackRock
New York
$198M 7,560,142 +612,601 +9%
Jennison Associates
3
Jennison Associates
New York
$155M 5,899,348 +40,172 +0.7%
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$154M 5,862,146 +869,353 +17%
Adage Capital Partners
5
Adage Capital Partners
Massachusetts
$128M 4,875,462 +1,582,153 +48%
Fidelity Investments
6
Fidelity Investments
Massachusetts
$116M 4,418,049 -3,668,007 -45%
TBC
7
Three Bays Capital
Massachusetts
$115M 4,369,301 +1,711,608 +64%
PI
8
Putnam Investments
Massachusetts
$111M 4,213,379 +598,046 +17%
BAMCO Inc
9
BAMCO Inc
New York
$90.8M 3,458,442 +276,681 +9%
EAM
10
Eagle Asset Management
Florida
$75.5M 2,876,811 +1,903,266 +195%
Wellington Management Group
11
Wellington Management Group
Massachusetts
$74.8M 2,847,866 +394,700 +16%
AL
12
Appaloosa LP
New Jersey
$67.7M 2,580,314 +121,508 +5%
Westfield Capital Management
13
Westfield Capital Management
Massachusetts
$63.2M 2,406,459 -552,851 -19%
TCM
14
TimesSquare Capital Management
New York
$62.7M 2,389,882 +698,023 +41%
State Street
15
State Street
Massachusetts
$58.5M 2,228,060 +43,188 +2%
LM
16
Luminus Management
Texas
$55.7M 2,120,263 +616,795 +41%
HA
17
Homestead Advisers
Virginia
$53.9M 2,054,197 – –
WHG
18
Westwood Holdings Group
Texas
$51.4M 1,957,207 -9,638 -0.5%
LCS
19
Levin Capital Strategies
New York
$50.8M 1,933,601 +530,325 +38%
CTA
20
Carillon Tower Advisers
Florida
$50.4M 1,918,188 +1,918,188 New
Dimensional Fund Advisors
21
Dimensional Fund Advisors
Texas
$49.6M 1,889,274 +155,822 +9%
O
22
OppenheimerFunds
New York
$48.2M 1,835,042 +66,189 +4%
Holocene Advisors
23
Holocene Advisors
New York
$46.8M 1,781,982 -154,399 -8%
Goldman Sachs
24
Goldman Sachs
New York
$45.8M 1,743,961 +2,369 +0.1%
JPMorgan Chase & Co
25
JPMorgan Chase & Co
New York
$45.5M 1,731,885 +568,115 +49%
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