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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214 hedge funds and large institutions have $2.93B invested in Summit Materials, Inc. Class A Common Stock in 2019 Q4 according to their latest regulatory filings, with 48 funds opening new positions, 62 increasing their positions, 69 reducing their positions, and 18 closing their positions.

Holders
214
Holders Change
+30
Holders Change %
+16.3%
% of All Funds
4.23%
Holding in Top 10
2
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-60%
% of All Funds
0.04%
New
48
Increased
62
Reduced
69
Closed
18
Calls
$15.7M
Puts
$3.58M
Net Calls
+$12.1M
Net Calls Change
-$13.3M

Top Buyers

1
Nuveen Asset Management
1
Nuveen Asset Management
Illinois
$104M
2
Millennium Management
2
Millennium Management
New York
$70.4M
3
Jane Street
3
Jane Street
New York
$35.9M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$172M
5
Citadel Advisors
5
Citadel Advisors
Florida
$52.7M

Top Sellers

1
SAM
1
Southeastern Asset Management
Tennessee
$0
2
Westfield Capital Management
2
Westfield Capital Management
Massachusetts
$0
3
SCM
3
Suvretta Capital Management
New York
$0
4
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$193M
5
HA
5
Homestead Advisers
Virginia
$9.14M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$246M 10,287,018 +38,784 +0.4%
BlackRock
2
BlackRock
New York
$210M 8,789,120 +660,814 +8%
Janus Henderson Group
3
Janus Henderson Group
United Kingdom
$193M 8,079,237 -709,507 -8%
Fidelity Investments
4
Fidelity Investments
Massachusetts
$172M 7,212,715 +1,355,507 +23%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$132M 5,507,979 -368,767 -6%
Principal Financial Group
6
Principal Financial Group
Iowa
$131M 5,475,562 +307,398 +6%
Nuveen Asset Management
7
Nuveen Asset Management
Illinois
$104M 4,350,742 +2,942,078 +209%
Jennison Associates
8
Jennison Associates
New York
$103M 4,330,012 -336,714 -7%
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$85M 3,557,059 -393,402 -10%
Adage Capital Partners
10
Adage Capital Partners
Massachusetts
$82.8M 3,462,584 -125,900 -4%
EAM
11
Eagle Asset Management
Florida
$76.7M 3,209,225 -2,515 -0.1%
Millennium Management
12
Millennium Management
New York
$70.4M 2,946,773 +1,633,962 +124%
ClearBridge Investments
13
ClearBridge Investments
New York
$65.4M 2,736,627 +22,735 +0.8%
GC
14
GMT Capital
Georgia
$61M 2,550,251 -383,074 -13%
Invesco
15
Invesco
Georgia
$57M 2,386,889 +302,073 +14%
Goldman Sachs
16
Goldman Sachs
New York
$56.3M 2,356,177 -13,236 -0.6%
State Street
17
State Street
Massachusetts
$55.5M 2,322,150 +22,716 +1%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$54.1M 2,262,115 -236,159 -9%
Citadel Advisors
19
Citadel Advisors
Florida
$52.7M 2,203,618 +1,150,821 +109%
CTA
20
Carillon Tower Advisers
Florida
$52.1M 2,180,026 – –
Norges Bank
21
Norges Bank
Norway
$49.3M 2,063,685 – –
Victory Capital Management
22
Victory Capital Management
Texas
$46.5M 1,946,373 -8,688 -0.4%
WIM
23
Weitz Investment Management
Nebraska
$41.2M 1,722,550 -200,900 -10%
BAMCO Inc
24
BAMCO Inc
New York
$38.2M 1,600,000 -150,000 -9%
Jane Street
25
Jane Street
New York
$35.9M 1,503,101 +1,492,409 +13,958%
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