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SUM

Summit Materials, Inc. Class A Common Stock
SUM

Delisted

SUM was delisted on the 10th of February, 2025.

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7 hedge funds and large institutions have $304K invested in Summit Materials, Inc. Class A Common Stock in 2025 Q1 according to their latest regulatory filings, with 1 funds opening new positions, 0 increasing their positions, 2 reducing their positions, and 386 closing their positions.

New
Increased
Maintained
Reduced
Closed

98% less funds holding

Funds holding: 396 → 7 (-389)

100% less first-time investments, than exits

New positions opened: 1 | Existing positions closed: 386

100% less capital invested

Capital invested by funds: $6.07B → $304K (-$6.07B)

100% less funds holding in top 10

Funds holding in top 10: 19 → 0 (-19)

100% less repeat investments, than reductions

Existing positions increased: 0 | Existing positions reduced: 2

Holders
7
Holders Change
-389
Holders Change %
-98.23%
% of All Funds
0.09%
Holding in Top 10
–
Holding in Top 10 Change
-19
Holding in Top 10 Change %
-100%
% of All Funds
–
New
1
Increased
–
Reduced
2
Closed
386
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
AW
Avion Wealth
Texas
+$261

Top Sellers

Rank Fund Capital Flow
1
Vanguard Group
Vanguard Group
Pennsylvania
-$626M
2
BlackRock
BlackRock
New York
-$506M
3
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$271M
4
HI
HBK Investments
Texas
-$230M
5
Macquarie Group
Macquarie Group
Australia
-$159M
Name Holding Trade Value Shares
Change 		Change in
Stake
ECM
176
ExodusPoint Capital Management
New York
– -$2.02M -40,000 Closed
Zurich Cantonal Bank
177
Zurich Cantonal Bank
Switzerland
– -$1.95M -38,516 Closed
VA
178
Valmark Advisers
Ohio
– -$1.9M -37,550 Closed
New York State Common Retirement Fund
179
New York State Common Retirement Fund
New York
– -$1.9M -37,490 Closed
OAM
180
Oxford Asset Management
United Kingdom
– -$1.9M -37,466 Closed
WIM
181
Waycross Investment Management
Washington
– -$1.86M -36,763 Closed
Commonwealth Equity Services
182
Commonwealth Equity Services
Massachusetts
– -$1.81M -35,873 Closed
ASRS
183
Arizona State Retirement System
Arizona
– -$1.8M -35,671 Closed
MS
184
Maven Securities
Jersey
– -$1.77M -35,000 Closed
State Board of Administration of Florida Retirement System
185
State Board of Administration of Florida Retirement System
Florida
– -$1.73M -34,115 Closed
ProShare Advisors
186
ProShare Advisors
Maryland
– -$1.73M -34,106 Closed
American Century Companies
187
American Century Companies
Missouri
– -$1.68M -33,236 Closed
CG
188
Carmignac Gestion
France
– -$1.68M -33,150 Closed
VPIM
189
Vanguard Personalized Indexing Management
California
– -$1.66M -32,727 Closed
GCM
190
Greenland Capital Management
New York
– -$1.64M -32,316 Closed
MNBTD
191
Moody National Bank Trust Division
Texas
– -$1.58M -31,243 Closed
BPAMU
192
BTG Pactual Asset Management US
New York
– -$1.52M -30,000 Closed
COPPSERS
193
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
– -$1.52M -30,000 Closed
Stifel Financial
194
Stifel Financial
Missouri
– -$1.51M -29,814 Closed
AMI
195
Amica Mutual Insurance
Rhode Island
– -$1.47M -29,113 Closed
SF
196
Synovus Financial
Georgia
– -$1.45M -28,689 Closed
HCM
197
Harvey Capital Management
Florida
– -$1.4M -27,592 Closed
BNP Paribas Financial Markets
198
BNP Paribas Financial Markets
France
– -$1.4M -27,579 Closed
SC
199
Sagefield Capital
Texas
– -$1.38M -27,300 Closed
BFM
200
Boothbay Fund Management
New York
– -$1.37M -26,991 Closed
6 7
8
9 10

SUM Hedge Fund Activity: Q1 2025 in Review

7 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Summit Materials, Inc. Class A Common Stock (SUM) for Q1 2025, worth a combined $304K — down 100% from $6.07B a quarter earlier.

Sellers outnumbered buyers: 386 funds closed out of SUM and 1 opened new positions — a net loss of 385 holders — while 2 trimmed existing stakes and 0 added.

The largest buyer was Avion Wealth, opening a new position worth an estimated $261. The largest seller was Vanguard Group, exiting entirely with an estimated $626M sold.

  • 7 institutional investors held Summit Materials, Inc. Class A Common Stock (SUM) as of Q1 2025, down from 396 in Q4 2024.
  • Funds reported $304K of Summit Materials, Inc. Class A Common Stock stock for Q1 2025, down 100% quarter-over-quarter.
  • 1 fund opened new Summit Materials, Inc. Class A Common Stock positions in Q1 2025 and 386 closed out, a net change of -385 holders.
  • The largest Summit Materials, Inc. Class A Common Stock buyer in Q1 2025 was Avion Wealth, an estimated $261 added.
  • The largest Summit Materials, Inc. Class A Common Stock seller in Q1 2025 was Vanguard Group, an estimated $626M sold.

Based on aggregated 13F filings for Q1 2025.