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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392 hedge funds and large institutions have $5.84B invested in Summit Materials, Inc. Class A Common Stock in 2024 Q4 according to their latest regulatory filings, with 121 funds opening new positions, 94 increasing their positions, 120 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
392
Holders Change
+60
Holders Change %
+18.07%
% of All Funds
5.22%
Holding in Top 10
19
Holding in Top 10 Change
+15
Holding in Top 10 Change %
+375%
% of All Funds
0.25%
New
121
Increased
94
Reduced
120
Closed
57
Calls
$38.5M
Puts
$4.43M
Net Calls
+$34.1M
Net Calls Change
+$111M

Top Buyers

1
TAL
1
TIG Advisors LLC
New York
$105M
2
UOC
2
UBS O'Connor
Illinois
$103M
3
Fidelity International
3
Fidelity International
Bermuda
$95.1M
4
Balyasny Asset Management
4
Balyasny Asset Management
Illinois
$81.8M
5
MF
5
Magnetar Financial
Illinois
$79.1M

Top Sellers

1
Massachusetts Financial Services
1
Massachusetts Financial Services
Massachusetts
$25.6M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$271M
3
Principal Financial Group
3
Principal Financial Group
Iowa
$87M
4
FCM
4
Frontier Capital Management
Massachusetts
$9.02M
5
ClearBridge Investments
5
ClearBridge Investments
New York
$46.4M
Name Holding Trade Value Shares
Change 		Shares
Change %
Osaic Holdings
226
Osaic Holdings
Arizona
$718K -$965K -19,068 -57%
DFCM
227
Dark Forest Capital Management
Puerto Rico
$717K -$259K -5,127 -27%
TSMHT
228
Thurston Springer Miller Herd & Titak
Indiana
$704K +$704K +13,907 New
Public Employees Retirement Association of Colorado
229
Public Employees Retirement Association of Colorado
Colorado
$688K -$8.65K -171 -1%
SPIA
230
Steward Partners Investment Advisory
New York
$670K -$25.2K -498 -4%
DC
231
Diametric Capital
Massachusetts
$668K +$668K +13,210 New
AIP
232
Ameritas Investment Partners
Nebraska
$641K +$31.3K +619 +5%
GC
233
Guggenheim Capital
Illinois
$638K -$11.6M -228,945 -95%
AC
234
Aristeia Capital
Connecticut
$637K -$235K -4,654 -27%
Canada Life
235
Canada Life
Manitoba, Canada
$620K – – –
SO
236
STRS Ohio
Ohio
$612K +$121K +2,400 +25%
Group One Trading
237
Group One Trading
Illinois
$600K +$596K +11,780 +14,911%
State of Wisconsin Investment Board
238
State of Wisconsin Investment Board
Wisconsin
$585K -$404K -7,976 -41%
PCM
239
PenderFund Capital Management
British Columbia, Canada
$581K +$581K +8,000 New
CWM
240
CIBC World Markets
New York
$573K +$573K +11,333 New
HF
241
HRT Financial
New York
$571K +$571K +11,298 New
TRCT
242
Tower Research Capital (TRC)
New York
$565K +$292K +5,764 +107%
IMC Chicago
243
IMC Chicago
Illinois
$552K +$552K +10,913 New
EGM
244
Engineers Gate Manager
New York
$540K -$966K -19,094 -64%
Credit Agricole
245
Credit Agricole
France
$534K – – –
QCM
246
Qsemble Capital Management
New York
$522K +$522K +10,309 New
Skandinaviska Enskilda Banken (SEB)
247
Skandinaviska Enskilda Banken (SEB)
Sweden
$506K +$506K +10,000 New
KAS
248
Kestra Advisory Services
Texas
$496K +$7.14K +141 +1%
Boston Partners
249
Boston Partners
Massachusetts
$493K +$493K +46,197 New
DIM
250
Delta Investment Management
California
$489K +$1.97K +39 +0.4%
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