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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
MF
26
Magnetar Financial
Illinois
– -$79.1M -1,563,121 Closed
SBH
27
Segall Bryant & Hamill
Illinois
– -$77.1M -1,523,066 Closed
Northern Trust
28
Northern Trust
Illinois
– -$73.6M -1,454,431 Closed
Norges Bank
29
Norges Bank
Norway
– -$71.3M -1,409,381 Closed
Adage Capital Partners
30
Adage Capital Partners
Massachusetts
– -$71.1M -1,405,712 Closed
Millennium Management
31
Millennium Management
New York
– -$67.5M -1,333,349 Closed
N
32
Nuveen
North Carolina
– -$60.8M -1,201,939 Closed
Voloridge Investment Management
33
Voloridge Investment Management
Florida
– -$59.5M -1,175,508 Closed
KC
34
Kryger Capital
United Kingdom
– -$56M -1,106,108 Closed
Victory Capital Management
35
Victory Capital Management
Texas
– -$55.2M -1,090,643 Closed
Neuberger Berman Group
36
Neuberger Berman Group
New York
– -$51.9M -1,026,433 Closed
ACB
37
Aristotle Capital Boston
Massachusetts
– -$49.4M -976,737 Closed
Bank of America
38
Bank of America
North Carolina
– -$49.3M -975,082 Closed
Hudson Bay Capital Management
39
Hudson Bay Capital Management
Connecticut
– -$49.2M -971,443 Closed
Morgan Stanley
40
Morgan Stanley
New York
– -$47.6M -941,054 Closed
ClearBridge Investments
41
ClearBridge Investments
New York
– -$46.4M -917,924 Closed
AllianceBernstein
42
AllianceBernstein
Tennessee
– -$45.3M -894,288 Closed
Mirae Asset Global ETFs Holdings
43
Mirae Asset Global ETFs Holdings
Hong Kong
– -$45.1M -890,997 Closed
Assenagon Asset Management
44
Assenagon Asset Management
Luxembourg
– -$44.5M -879,466 Closed
UBS Group
45
UBS Group
Switzerland
– -$44.1M -871,852 Closed
PCMI
46
Paradigm Capital Management Inc
New York
– -$42.9M -847,890 Closed
WCMNY
47
Westchester Capital Management (New York)
New York
– -$41.3M -815,477 Closed
HP
48
Harvey Partners
New York
– -$40.9M -808,000 Closed
HCM
49
Highbridge Capital Management
New York
– -$38.1M -752,529 Closed
Bank of New York Mellon
50
Bank of New York Mellon
New York
– -$33.6M -664,447 Closed
1
2
3 4 5

SUM Hedge Fund Activity: Q1 2025 in Review

7 of the 7,457 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.