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MasterBrand
MBC

336 hedge funds and large institutions have $1.76B invested in MasterBrand in 2025 Q3 according to their latest regulatory filings, with 55 funds opening new positions, 106 increasing their positions, 82 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

643% more call options, than puts

Call options by funds: $52K | Put options by funds: $7K

45% more first-time investments, than exits

New positions opened: 55 | Existing positions closed: 38

40% more funds holding in top 10

Funds holding in top 10: 5 → 7 (+2)

35% more capital invested

Capital invested by funds: $1.31B → $1.76B (+$453M)

29% more repeat investments, than reductions

Existing positions increased: 106 | Existing positions reduced: 82

11.05% more ownership

Funds ownership: 94.56% → 105.61% (+11%)

4% more funds holding

Funds holding: 324 → 336 (+12)

Holders
336
Holders Change
+12
Holders Change %
+3.7%
% of All Funds
4.41%
Holding in Top 10
7
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+40%
% of All Funds
0.09%
New
55
Increased
106
Reduced
82
Closed
38
Calls
$52K
Puts
$7K
Net Calls
+$45K
Net Calls Change
+$3K

Top Buyers

1
DCP
Diameter Capital Partners
New York
+$50.2M
2
CCM
Coliseum Capital Management
Connecticut
+$40.3M
3
AAM
ACK Asset Management
Connecticut
+$28.4M
4
SSP
Sixth Street Partners
Texas
+$24M
5
SCM
Stonehill Capital Management
New York
+$18.3M

Top Sellers

1
Thrivent Financial for Lutherans
Thrivent Financial for Lutherans
Minnesota
-$46.6M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$26.3M
3
GCM
Gates Capital Management
New York
-$20.4M
4
Millennium Management
Millennium Management
New York
-$5.49M
5
RA
Royce & Associates
New York
-$3.06M
Name Holding Trade Value Shares
Change 		Change in
Stake
Legal & General Group
51
Legal & General Group
United Kingdom
$4.31M -$286K -23,094 -7%
Ameriprise
52
Ameriprise
Minnesota
$4.25M -$16.7K -1,351 -0.4%
First Trust Advisors
53
First Trust Advisors
Illinois
$4.09M +$1.14M +92,158 +42%
BC
54
Beaconlight Capital
New York
$3.86M +$3.62M +292,959 New
N
55
Nuveen
North Carolina
$3.77M -$64.5K -5,213 -2%
Deutsche Bank
56
Deutsche Bank
Germany
$3.74M +$139K +11,226 +4%
Swiss National Bank
57
Swiss National Bank
Switzerland
$3.24M +$22.3K +1,800 +0.7%
DA
58
Denali Advisors
California
$3.18M +$2.98M +241,400 New
Universal-Beteiligungs- und Servicegesellschaft
59
Universal-Beteiligungs- und Servicegesellschaft
Germany
$3.16M -$143K -11,603 -5%
SEI Investments
60
SEI Investments
Pennsylvania
$3.05M +$2.43M +196,229 +553%
Barclays
61
Barclays
United Kingdom
$2.93M -$730K -59,039 -21%
NGM
62
North Growth Management
British Columbia, Canada
$2.83M -$12.4K -1,000 -0.5%
TI
63
Trexquant Investment
Connecticut
$2.72M +$1.95M +157,682 +322%
6CM
64
683 Capital Management
New York
$2.63M +$2.47M +200,000 New
AQR Capital Management
65
AQR Capital Management
Connecticut
$2.48M +$156K +12,643 +7%
Wells Fargo
66
Wells Fargo
California
$2.46M +$166K +13,447 +8%
Raymond James Financial
67
Raymond James Financial
Florida
$2.46M +$196K +15,880 +9%
ECM
68
ExodusPoint Capital Management
New York
$2.43M +$1.31M +106,170 +136%
Royal Bank of Canada
69
Royal Bank of Canada
Ontario, Canada
$2.35M +$856K +69,255 +64%
SO
70
STRS Ohio
Ohio
$2.21M +$1.49M +120,500 +253%
WCM
71
Wedge Capital Management
North Carolina
$2.19M +$178K +14,374 +9%
EH
72
EMG Holdings
Connecticut
$2.17M +$2.04M +165,100 New
Lazard Asset Management
73
Lazard Asset Management
New York
$2.15M +$2.02M +163,010 New
New York State Teachers Retirement System (NYSTRS)
74
New York State Teachers Retirement System (NYSTRS)
New York
$2.07M -$149K -12,043 -7%
Truist Financial
75
Truist Financial
North Carolina
$2.05M +$7.38K +597 +0.4%
1 2
3
4 5

MBC Hedge Fund Activity: Q3 2025 in Review

336 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in MasterBrand (MBC) for Q3 2025, worth a combined $1.76B — up 35% from $1.31B a quarter earlier.

Buyers outnumbered sellers: 55 funds opened new MBC positions and 38 closed out — a net gain of 17 holders — while 106 added to existing stakes and 82 trimmed.

The largest buyer was Diameter Capital Partners, adding an estimated $50.2M. The largest seller was Thrivent Financial for Lutherans, cutting an estimated $46.6M.

  • 336 institutional investors held MasterBrand (MBC) as of Q3 2025, up from 324 in Q2 2025.
  • Funds reported $1.76B of MasterBrand stock for Q3 2025, up 35% quarter-over-quarter.
  • 55 funds opened new MasterBrand positions in Q3 2025 and 38 closed out, a net change of +17 holders.
  • The largest MasterBrand buyer in Q3 2025 was Diameter Capital Partners, an estimated $50.2M added.
  • The largest MasterBrand seller in Q3 2025 was Thrivent Financial for Lutherans, an estimated $46.6M sold.

Based on aggregated 13F filings for Q3 2025.