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 $3.48B invested in Summit Materials, Inc. Class A Common Stock in 2017 Q2 according to their latest regulatory filings, with 31 funds opening new positions, 89 increasing their positions, 75 reducing their positions, and 37 closing their positions.

Holders
211
Holders Change
-7
Holders Change %
-3.21%
% of All Funds
5.27%
Holding in Top 10
5
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.12%
New
31
Increased
89
Reduced
75
Closed
37
Calls
$12.1M
Puts
$819K
Net Calls
+$11.3M
Net Calls Change
-$10.7M

Top Buyers

1
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$122M
2
TBC
2
Three Bays Capital
Massachusetts
$75.9M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$87M
4
PI
4
Putnam Investments
Massachusetts
$68.9M
5
Westfield Capital Management
5
Westfield Capital Management
Massachusetts
$86.3M

Top Sellers

1
Citadel Advisors
1
Citadel Advisors
Florida
$12.7M
2
BlackRock
2
BlackRock
New York
$190M
3
RCM
3
Roystone Capital Management
New York
$3.17M
4
MCM
4
Melvin Capital Management
New York
$72.2M
5
LW
5
Linscomb Wealth
Texas
$14.5M
Name Market Value Shares Shares
Change 		Shares
Change %
Northern Trust
26
Northern Trust
Illinois
$39.2M 1,358,465 +52,493 +4%
Wellington Management Group
27
Wellington Management Group
Massachusetts
$37.7M 1,306,310 +757,766 +138%
Ameriprise
28
Ameriprise
Minnesota
$36.7M 1,272,411 -23,929 -2%
EAM
29
Eagle Asset Management
Florida
$35M 1,211,775 -8,497 -0.7%
VNIM
30
Vaughan Nelson Investment Management
Texas
$34.9M 1,209,225 +1,209,225 New
Dimensional Fund Advisors
31
Dimensional Fund Advisors
Texas
$34.8M 1,204,699 +276,160 +30%
LM
32
Luminus Management
Texas
$34.4M 1,191,268 -10,952 -0.9%
JPMorgan Chase & Co
33
JPMorgan Chase & Co
New York
$34.2M 1,184,821 -70,937 -6%
TA
34
Teachers Advisors
New York
$34M 1,178,063 +629,078 +115%
WRF
35
Waddell & Reed Financial
Kansas
$32.8M 1,137,453 -4,960 -0.4%
DKCM
36
Davidson Kempner Capital Management
New York
$31.8M 1,100,000 +19,625 +2%
EIP
37
Epoch Investment Partners
New York
$31.3M 1,084,672 +29,372 +3%
Victory Capital Management
38
Victory Capital Management
Texas
$29.7M 1,028,695 -87,923 -8%
KCM
39
Kennedy Capital Management
Missouri
$29.2M 1,011,168 -65,752 -6%
GC
40
GMT Capital
Georgia
$26.1M 879,500 +71,500 +9%
Public Employees Retirement Association of Colorado
41
Public Employees Retirement Association of Colorado
Colorado
$25.8M 893,800 +362,500 +68%
IP
42
Interval Partners
New York
$25.4M 880,160 +228,802 +35%
FIM
43
Foresters Investment Management
New York
$24.8M 858,680 +18,500 +2%
Geode Capital Management
44
Geode Capital Management
Massachusetts
$24.4M 846,442 +50,588 +6%
Bank of New York Mellon
45
Bank of New York Mellon
New York
$23.3M 807,003 -18,247 -2%
PCM
46
Penn Capital Management
Pennsylvania
$22.1M 757,395 +116,570 +18%
Massachusetts Financial Services
47
Massachusetts Financial Services
Massachusetts
$21M 725,853 +164,508 +29%
WHG
48
Westwood Holdings Group
Texas
$19.7M 680,813 +70,523 +12%
Morgan Stanley
49
Morgan Stanley
New York
$18.9M 653,107 +432,294 +196%
NFA
50
Nationwide Fund Advisors
Ohio
$18.6M 643,807 +75,612 +13%
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