MasterBrand, Inc. (MBC) Ownership
MBC ownership summary
as of October 17, 2026- Institutions
- 110.3% of shares outstanding
- Insiders
- 1.55% of shares outstanding
- Shares outstanding
- 203.5M
- Float
- 175.2M shares available to trade
- Short interest
- 11.18% 20.3M shares short
- Days to cover
- 6.10 short interest up 21.0% vs prior month
- Institutions 110.28%
- Insiders 1.55%
MBC top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 15.54% | 31.6M | $213.3M | +486,233 (+1.6%) | June 30, 2026 |
| 2 | Pzena Investment Management, LLC | 7.55% | 15.3M | $103.6M | +3.1M (+24.8%) | June 30, 2026 |
| 3 | Coliseum Capital Management LLC | 6.50% | 13.2M | $89.2M | +505,407 (+4.0%) | June 30, 2026 |
| 4 | Gates Capital Management Inc | 6.50% | 13.2M | $89.1M | +2.8M (+27.4%) | June 30, 2026 |
| 5 | FMR Inc | 5.11% | 10.4M | $70.1M | +5.8M (+129.1%) | June 30, 2026 |
| 6 | Redwood Capital Management, LLC | 4.84% | 9.8M | $66.4M | +8.2M (+492.0%) | June 30, 2026 |
| 7 | Dimensional Fund Advisors, Inc. | 4.53% | 9.2M | $62.2M | −2.8M (−23.0%) | June 30, 2026 |
| 8 | Vanguard Capital Management, LLC | 4.35% | 8.8M | $59.7M | −51,819 (−0.6%) | June 30, 2026 |
| 9 | State Street Corp | 4.04% | 8.2M | $55.4M | +422,728 (+5.4%) | June 30, 2026 |
| 10 | Pertento Partners LLP | 2.94% | 6.0M | $40.3M | +1.0M (+20.2%) | June 30, 2026 |
| 11 | Geode Capital Management, LLC | 2.53% | 5.1M | $34.7M | +154,756 (+3.1%) | June 30, 2026 |
| 12 | Sixth Street Partners Management Company, L.P. | 2.42% | 4.9M | $33.2M | — | June 30, 2026 |
| 13 | Diameter Capital Partners LP | 2.35% | 4.8M | $32.3M | +3.2M (+209.2%) | June 30, 2026 |
| 14 | Atlas FRM LLC | 2.28% | 4.6M | $31.3M | +1.8M (+63.7%) | June 30, 2026 |
| 15 | Paradigm Capital Management, Inc. | 2.27% | 4.6M | $31.2M | +3.5M (+326.8%) | June 30, 2026 |
| 16 | Vanguard Portfolio Management, LLC | 2.04% | 4.1M | $28.0M | +232,471 (+5.9%) | June 30, 2026 |
| 17 | ACK Asset Management LLC | 1.82% | 3.7M | $25.0M | — | June 30, 2026 |
| 18 | Monarch Alternative Capital LP | 1.82% | 3.7M | $25.0M | +1.7M (+85.0%) | June 30, 2026 |
| 19 | UBS Asset Mgmt Americas Inc | 1.54% | 3.1M | $21.2M | −187,853 (−5.7%) | June 30, 2026 |
| 20 | Charles Schwab Investment Management Inc | 1.53% | 3.1M | $20.9M | −1.1M (−26.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 33.0M shares and 4 cut 4.1M.
MBC top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.96% | 12.1M | $81.9M | +3,129 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.03% | 6.1M | $41.6M | — | August 31, 2026 |
| 3 | Fidelity Value | 3.02% | 6.1M | $41.4M | — | August 31, 2026 |
| 4 | iShares Russell 2000 ETF | 2.58% | 5.2M | $35.4M | −60,352 (−1.1%) | September 30, 2026 |
| 5 | DFA US Small Cap Value I | 1.24% | 2.5M | $17.0M | +177,590 (+7.6%) | August 31, 2026 |
| 6 | Fidelity Small Cap Index | 1.10% | 2.2M | $15.0M | +17,676 (+0.8%) | July 31, 2026 |
| 7 | iShares Russell 2000 Value ETF | 0.95% | 1.9M | $13.0M | +2,912 (+0.2%) | September 30, 2026 |
| 8 | State Street SPDR Port S&P 600 Sm CpETF | 0.91% | 1.8M | $12.4M | — | September 30, 2026 |
| 9 | iShares S&P Small-Cap 600 Value ETF | 0.85% | 1.7M | $11.6M | — | September 30, 2026 |
| 10 | Fidelity Value Strategies | 0.75% | 1.5M | $10.2M | +29,100 (+2.0%) | August 31, 2026 |
| 11 | Vanguard Tax-Managed Small Cap Adm | 0.67% | 1.4M | $9.2M | — | August 31, 2026 |
| 12 | Franklin Small Cap Value A | 0.67% | 1.4M | $9.2M | — | August 31, 2026 |
| 13 | Fidelity US All Cap Series F | 0.61% | 1.2M | $8.4M | +514,500 (+70.1%) | June 30, 2026 |
| 14 | Dimensional US Small Cap Value ETF | 0.59% | 1.2M | $8.0M | — | September 24, 2026 |
| 15 | Vanguard Russell 2000 ETF | 0.58% | 1.2M | $7.9M | +27,642 (+2.4%) | August 31, 2026 |
| 16 | Fidelity Mid Cap Value | 0.56% | 1.1M | $7.7M | — | August 31, 2026 |
| 17 | Fidelity Mid-Cap Stock | 0.55% | 1.1M | $7.5M | +200,800 (+22.0%) | August 31, 2026 |
| 18 | iShares US Home Construction ETF | 0.54% | 1.1M | $7.4M | −18,171 (−1.6%) | September 30, 2026 |
| 19 | Schwab US Small-Cap ETF™ | 0.53% | 1.1M | $7.3M | +720 (+0.1%) | September 30, 2026 |
| 20 | State Street® SPDR® S&P 600™ Sm CpValETF | 0.53% | 1.1M | $7.2M | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
MBC insider transactions
latest 5| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-02-28 | Robert Crisci | Buy | $14.08 | 20,000 | $281,600 |
| 2025-02-24 | Juliana L Chugg | Buy | $14.17 | 6,989 | $99,034 |
| 2024-09-13 | Mark A Young | Sell | $16.33 | 4,715 | $76,996 |
| 2024-09-11 | Ann F Hackett | Sell | $15.95 | 17,589 | $280,545 |
| 2024-09-09 | Ann F Hackett | Sell | $15.99 | 502 | $8,027 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
MBC shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns MBC
Institutional investors own 110.3% of MasterBrand's shares and insiders 1.55%. The largest holder is BlackRock Inc with 15.54% of the shares (31.6M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 4 reduced their stake in the latest filings. Short interest is 11.18% of the float, or 6.10 days of average trading volume.
Related: MBC analyst forecast, MBC key metrics. See the MBC stock overview for the latest quote and news.
MBC ownership FAQ
Who owns the most MasterBrand stock?
The largest shareholders of MasterBrand are BlackRock Inc (15.54%), Pzena Investment Management, LLC (7.55%), Coliseum Capital Management LLC (6.50%), Gates Capital Management Inc (6.50%), FMR Inc (5.11%).
What percentage of MasterBrand is owned by institutions?
Institutions hold 110.3% of MasterBrand's shares outstanding; insiders hold 1.55%.
Which funds own MasterBrand?
The largest fund holders of MasterBrand are iShares Core S&P Small-Cap ETF (5.96%), Vanguard MStar Total Stk Mkt Idx Invest (3.03%), Fidelity Value (3.02%), iShares Russell 2000 ETF (2.58%), DFA US Small Cap Value I (1.24%).
What is MasterBrand's short interest?
20.3M shares of MasterBrand were sold short, 11.18% of the float; at the average daily volume it would take 6.10 days to cover.
Are insiders buying or selling MasterBrand?
Of the latest 5 reported insider transactions in MasterBrand (since September 9, 2024), 2 were purchases and 3 were sales.
How many shares of MasterBrand are outstanding?
MasterBrand has 203.5M shares outstanding, of which 175.2M are in the public float.