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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228 hedge funds and large institutions have $3.95B invested in Summit Materials, Inc. Class A Common Stock in 2017 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 124 increasing their positions, 62 reducing their positions, and 23 closing their positions.

Holders
228
Holders Change
+13
Holders Change %
+6.05%
% of All Funds
5.18%
Holding in Top 10
7
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-30%
% of All Funds
0.16%
New
38
Increased
124
Reduced
62
Closed
23
Calls
$10.8M
Puts
$2.04M
Net Calls
+$8.73M
Net Calls Change
+$5.57M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$236M
2
PI
2
Putnam Investments
Massachusetts
$115M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$23.9M
4
Holocene Advisors
4
Holocene Advisors
New York
$22M
5
Jennison Associates
5
Jennison Associates
New York
$183M

Top Sellers

1
Deutsche Bank
1
Deutsche Bank
Germany
$20.1M
2
CCM
2
Clearfield Capital Management
New York
$0
3
HCM
3
Highfields Capital Management
Massachusetts
$0
4
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$164M
5
IAM
5
Impala Asset Management
Florida
$38.7M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$288M 9,156,810 +435,993 +5%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$236M 7,493,184 +3,271,282 +77%
BlackRock
3
BlackRock
New York
$222M 7,056,682 +355,922 +5%
Jennison Associates
4
Jennison Associates
New York
$183M 5,810,726 +617,054 +12%
Janus Henderson Group
5
Janus Henderson Group
United Kingdom
$164M 5,222,927 -789,695 -13%
TBC
6
Three Bays Capital
Massachusetts
$127M 4,055,221 +317,184 +8%
PI
7
Putnam Investments
Massachusetts
$115M 3,651,427 +1,007,427 +38%
Adage Capital Partners
8
Adage Capital Partners
Massachusetts
$108M 3,450,977 +447,646 +15%
Westfield Capital Management
9
Westfield Capital Management
Massachusetts
$102M 3,256,164 -88,244 -3%
BAMCO Inc
10
BAMCO Inc
New York
$96.6M 3,071,611 +7,409 +0.2%
LCS
11
Levin Capital Strategies
New York
$83.7M 2,661,056 -466,539 -15%
Invesco
12
Invesco
Georgia
$79.1M 2,517,245 +47,563 +2%
AL
13
Appaloosa LP
New Jersey
$78.9M 2,510,401 +546,816 +28%
State Street
14
State Street
Massachusetts
$70.4M 2,238,713 +194,316 +10%
Goldman Sachs
15
Goldman Sachs
New York
$65M 2,067,146 -56,234 -3%
HA
16
Homestead Advisers
Virginia
$64.6M 2,054,198 +28,362 +1%
O
17
OppenheimerFunds
New York
$56.1M 1,785,869 +85,985 +5%
WHG
18
Westwood Holdings Group
Texas
$53.5M 1,700,283 +527,632 +45%
Victory Capital Management
19
Victory Capital Management
Texas
$50.4M 1,603,568 -64,439 -4%
AllianceBernstein
20
AllianceBernstein
Tennessee
$49.2M 1,563,385 +58,555 +4%
TCM
21
TimesSquare Capital Management
New York
$49.1M 1,562,508 -270,732 -15%
Dimensional Fund Advisors
22
Dimensional Fund Advisors
Texas
$47.3M 1,503,704 +141,232 +10%
EIP
23
Epoch Investment Partners
New York
$45.7M 1,452,912 +356,555 +33%
Wellington Management Group
24
Wellington Management Group
Massachusetts
$44.1M 1,402,932 +3,377 +0.2%
VNIM
25
Vaughan Nelson Investment Management
Texas
$43.6M 1,385,710 +4,335 +0.3%
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