Stock Ownership/MBC

MASTERBRAND INC (MBC): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MBC · Consumer Discretionary. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
10
13F filers
Aggregate Value
$175.0M
Across holders
Last Price
$9.32
2026-08-24
Sector
Consumer Discretionary
GICS
Quarterly fund activity3 increased7 reduced7 exited
Full exits: Hudson Bay Capital Management LP, CAXTON ASSOCIATES LLP, Lighthouse Investment Partners, LLC, BALYASNY ASSET MANAGEMENT LLC, CITADEL ADVISORS LLC, Schonfeld Strategic Advisors LLC, TWO SIGMA INVESTMENTS, LP
Institutional Holders of MBC
↗
10 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
PZENA INVESTMENT MANAGEMENT LLC
CIK 0001027796
Institutional Manager15.33M$157.7M90.1%0.5%Added+$118.5MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund881K$9.1M5.2%0.0%Reduced$-9.0MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund316K$3.3M1.9%0.0%Added+$2.0MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund214K$2.2M1.2%0.0%Reduced+$2.1MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund107K$1.1M0.6%0.0%Reduced$-3.8MQ2 2026
Holocene Advisors, LP
CIK 0001700574
Hedge Fund61K$625K0.4%0.0%Reduced$-1.8MQ2 2026
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager56K$575K0.3%0.0%Reduced$-229KQ2 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund39K$398K0.2%0.0%Reduced$-320KQ2 2026
Fulcrum Asset Management LLP
CIK 0001353395
Hedge Fund10K$99K0.1%0.0%Added—Q2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund849$9K0.0%0.0%Reduced$-19KQ2 2026
PZENA INVESTMENT MANAGEMENT LLCAdded
Institutional Manager
$157.7M· 90.1% of total· 0.5% port· 15.33M sh· +$118.5M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$9.1M· 5.2% of total· 0.0% port· 881K sh· $-9.0M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$3.3M· 1.9% of total· 0.0% port· 316K sh· +$2.0M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$2.2M· 1.2% of total· 0.0% port· 214K sh· +$2.1M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$1.1M· 0.6% of total· 0.0% port· 107K sh· $-3.8M QoQ· Q2 2026
Holocene Advisors, LPReduced
Hedge Fund
$625K· 0.4% of total· 0.0% port· 61K sh· $-1.8M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$575K· 0.3% of total· 0.0% port· 56K sh· $-229K QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$398K· 0.2% of total· 0.0% port· 39K sh· $-320K QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$99K· 0.1% of total· 0.0% port· 10K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$9K· 0.0% of total· 0.0% port· 849 sh· $-19K QoQ· Q2 2026
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