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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229 hedge funds and large institutions have $3.73B invested in Summit Materials, Inc. Class A Common Stock in 2018 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 79 increasing their positions, 100 reducing their positions, and 23 closing their positions.

Holders
229
Holders Change
+1
Holders Change %
+0.44%
% of All Funds
5.26%
Holding in Top 10
9
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+28.57%
% of All Funds
0.21%
New
24
Increased
79
Reduced
100
Closed
23
Calls
$7.4M
Puts
$1.59M
Net Calls
+$5.81M
Net Calls Change
-$2.92M

Top Buyers

1
Holocene Advisors
1
Holocene Advisors
New York
$58.6M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$74.3M
3
CCM
3
Clearfield Capital Management
New York
$20.1M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$245M
5
LM
5
Luminus Management
Texas
$45.5M

Top Sellers

1
TBC
1
Three Bays Capital
Massachusetts
$80.5M
2
LCS
2
Levin Capital Strategies
New York
$42.5M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$0
4
BA
4
Boston Advisors
Massachusetts
$603K
5
Deutsche Bank
5
Deutsche Bank
Germany
$7.52M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$285M 9,424,517 +267,707 +3%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$245M 8,086,056 +592,872 +8%
BlackRock
3
BlackRock
New York
$210M 6,947,541 -109,141 -2%
Jennison Associates
4
Jennison Associates
New York
$177M 5,859,176 +48,450 +0.8%
Janus Henderson Group
5
Janus Henderson Group
United Kingdom
$151M 4,992,793 -230,134 -4%
PI
6
Putnam Investments
Massachusetts
$109M 3,615,333 -36,094 -1%
Adage Capital Partners
7
Adage Capital Partners
Massachusetts
$99.7M 3,293,309 -157,668 -5%
BAMCO Inc
8
BAMCO Inc
New York
$96.3M 3,181,761 +110,150 +4%
Westfield Capital Management
9
Westfield Capital Management
Massachusetts
$89.6M 2,959,310 -296,854 -9%
TBC
10
Three Bays Capital
Massachusetts
$80.5M 2,657,693 -1,397,528 -34%
AL
11
Appaloosa LP
New Jersey
$74.5M 2,458,806 -51,595 -2%
Wellington Management Group
12
Wellington Management Group
Massachusetts
$74.3M 2,453,166 +1,050,234 +75%
Invesco
13
Invesco
Georgia
$66.3M 2,189,992 -327,253 -13%
State Street
14
State Street
Massachusetts
$66.2M 2,184,872 -53,841 -2%
HA
15
Homestead Advisers
Virginia
$62.2M 2,054,197 -1 -0%
Victory Capital Management
16
Victory Capital Management
Texas
$61.2M 2,022,306 +418,738 +26%
WHG
17
Westwood Holdings Group
Texas
$59.6M 1,966,845 +266,562 +16%
Holocene Advisors
18
Holocene Advisors
New York
$58.6M 1,936,381 +1,236,487 +177%
O
19
OppenheimerFunds
New York
$53.6M 1,768,853 -17,016 -1%
Goldman Sachs
20
Goldman Sachs
New York
$52.7M 1,741,592 -325,554 -16%
Dimensional Fund Advisors
21
Dimensional Fund Advisors
Texas
$52.5M 1,733,452 +229,748 +15%
TCM
22
TimesSquare Capital Management
New York
$51.2M 1,691,859 +129,351 +8%
AllianceBernstein
23
AllianceBernstein
Tennessee
$46.9M 1,548,948 -14,437 -0.9%
LM
24
Luminus Management
Texas
$45.5M 1,503,468 +529,876 +54%
EIP
25
Epoch Investment Partners
New York
$45.2M 1,492,774 +39,862 +3%
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