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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184 hedge funds and large institutions have $2.85B invested in Summit Materials, Inc. Class A Common Stock in 2019 Q3 according to their latest regulatory filings, with 28 funds opening new positions, 45 increasing their positions, 71 reducing their positions, and 22 closing their positions.

Holders
184
Holders Change
+6
Holders Change %
+3.37%
% of All Funds
4.04%
Holding in Top 10
5
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.11%
New
28
Increased
45
Reduced
71
Closed
22
Calls
$29.2M
Puts
$3.77M
Net Calls
+$25.5M
Net Calls Change
-$10.1M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$130M
2
IP
2
Interval Partners
New York
$31.3M
3
SCM
3
Suvretta Capital Management
New York
$30.9M
4
Victory Capital Management
4
Victory Capital Management
Texas
$43.4M
5
Millennium Management
5
Millennium Management
New York
$29.1M

Top Sellers

1
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$79.7M
2
PI
2
Putnam Investments
Massachusetts
$34.9M
3
Jennison Associates
3
Jennison Associates
New York
$104M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$0
5
Janus Henderson Group
5
Janus Henderson Group
United Kingdom
$195M
Name Market Value Shares Shares
Change 		Shares
Change %
SAM
1
Southeastern Asset Management
Tennessee
$285M 12,820,469 – –
Vanguard Group
2
Vanguard Group
Pennsylvania
$228M 10,248,234 -85,205 -0.8%
Janus Henderson Group
3
Janus Henderson Group
United Kingdom
$195M 8,788,744 -1,042,539 -11%
BlackRock
4
BlackRock
New York
$180M 8,128,306 +464,885 +6%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$130M 5,876,746 +144,346 +3%
Fidelity Investments
6
Fidelity Investments
Massachusetts
$130M 5,857,208 +3,189,694 +120%
Principal Financial Group
7
Principal Financial Group
Iowa
$115M 5,168,164 +167,397 +3%
Jennison Associates
8
Jennison Associates
New York
$104M 4,666,726 -1,638,981 -26%
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$87.7M 3,950,461 -50,196 -1%
Adage Capital Partners
10
Adage Capital Partners
Massachusetts
$79.7M 3,588,484 -2,922,106 -45%
EAM
11
Eagle Asset Management
Florida
$71.3M 3,211,740 -9,942 -0.3%
GC
12
GMT Capital
Georgia
$65.1M 2,933,325 -842,540 -22%
ClearBridge Investments
13
ClearBridge Investments
New York
$60.2M 2,713,892 +9,370 +0.3%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$55.5M 2,498,274 -37,467 -1%
Goldman Sachs
15
Goldman Sachs
New York
$52.6M 2,369,413 +528,767 +29%
State Street
16
State Street
Massachusetts
$51M 2,299,434 -53,524 -2%
CTA
17
Carillon Tower Advisers
Florida
$48.4M 2,180,026 – –
Invesco
18
Invesco
Georgia
$46.3M 2,084,816 -164 -0%
Norges Bank
19
Norges Bank
Norway
$45.8M 2,063,685 – –
Victory Capital Management
20
Victory Capital Management
Texas
$43.4M 1,955,061 +851,787 +77%
WIM
21
Weitz Investment Management
Nebraska
$42.7M 1,923,450 -511,550 -21%
Westfield Capital Management
22
Westfield Capital Management
Massachusetts
$41M 1,848,819 -619,190 -25%
BAMCO Inc
23
BAMCO Inc
New York
$38.9M 1,750,000 – –
PI
24
Putnam Investments
Massachusetts
$34.9M 1,570,490 -2,523,741 -62%
Northern Trust
25
Northern Trust
Illinois
$32.3M 1,456,653 +6,454 +0.4%
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