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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196 hedge funds and large institutions have $2.4B invested in Summit Materials, Inc. Class A Common Stock in 2016 Q4 according to their latest regulatory filings, with 58 funds opening new positions, 85 increasing their positions, 51 reducing their positions, and 25 closing their positions.

Holders
196
Holders Change
+31
Holders Change %
+18.79%
% of All Funds
4.91%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.1%
New
58
Increased
85
Reduced
51
Closed
25
Calls
$3.53M
Puts
$1.77M
Net Calls
+$1.76M
Net Calls Change
-$12.7M

Top Buyers

1
LCS
1
Levin Capital Strategies
New York
$68.3M
2
Deutsche Bank
2
Deutsche Bank
Germany
$63.4M
3
AL
3
Appaloosa LP
New Jersey
$40.3M
4
SCM
4
Steadfast Capital Management
New York
$37.7M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$168M

Top Sellers

1
Citadel Advisors
1
Citadel Advisors
Florida
$22M
2
Millennium Management
2
Millennium Management
New York
$15.9M
3
Marshall Wace
3
Marshall Wace
United Kingdom
$0
4
Royal Bank of Canada
4
Royal Bank of Canada
Ontario, Canada
$15.9M
5
CANY
5
Caxton Associates (New York)
New York
$4.31M
Name Market Value Shares Shares
Change 		Shares
Change %
PMAM
51
Picton Mahoney Asset Management
Ontario, Canada
$14.2M 595,208 +595,208 New
IP
52
Interval Partners
New York
$13.8M 580,090 +201,580 +53%
Two Sigma Investments
53
Two Sigma Investments
New York
$12.9M 542,422 +523,822 +2,816%
Public Employees Retirement Association of Colorado
54
Public Employees Retirement Association of Colorado
Colorado
$12.6M 531,300 +531,300 New
Balyasny Asset Management
55
Balyasny Asset Management
Illinois
$12M 504,612 +504,612 New
Bank of New York Mellon
56
Bank of New York Mellon
New York
$12M 503,722 +129,375 +35%
BA
57
Broadview Advisors
Wisconsin
$11.7M 491,584 -29,771 -6%
AAP
58
Ardsley Advisory Partners
Connecticut
$11.2M 469,061 +83,061 +22%
Morgan Stanley
59
Morgan Stanley
New York
$10.5M 443,417 +359,598 +429%
TA
60
Teachers Advisors
New York
$10.5M 442,404 +327,386 +285%
Fidelity Investments
61
Fidelity Investments
Massachusetts
$9.8M 411,958 +411,958 New
Loomis, Sayles & Company
62
Loomis, Sayles & Company
Massachusetts
$9.78M 411,114 +3,217 +0.8%
CAM
63
Cortina Asset Management
Wisconsin
$9.4M 395,120 -50,907 -11%
PI
64
Putnam Investments
Massachusetts
$8.54M 358,996 +199,504 +125%
New York State Common Retirement Fund
65
New York State Common Retirement Fund
New York
$8.14M 342,325 -120,092 -26%
Luther King Capital Management (LKCM)
66
Luther King Capital Management (LKCM)
Texas
$8.12M 341,389 -41,419 -11%
Charles Schwab
67
Charles Schwab
California
$7.83M 329,275 +40,360 +14%
Two Sigma Advisers
68
Two Sigma Advisers
New York
$7.67M 322,385 +305,484 +1,807%
American Century Companies
69
American Century Companies
Missouri
$7.27M 305,497 -10,770 -3%
DKCM
70
Davidson Kempner Capital Management
New York
$7.22M 303,598 +303,598 New
GGHC
71
Gilder Gagnon Howe & Co
New York
$7.14M 300,015 +715 +0.2%
Federated Hermes
72
Federated Hermes
Pennsylvania
$6.94M 291,754 -197,860 -40%
ACH
73
ArrowMark Colorado Holdings
Colorado
$6.93M 291,435 +291,435 New
WHG
74
Westwood Holdings Group
Texas
$6.84M 287,520 +287,520 New
BIM
75
BlackRock Investment Management
Delaware
$6.82M 286,541 -236 -0.1%
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