Who owns MBC
Which tracked institutional funds hold MBC, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See MBC company fundamentals →
Ownership as of the 2026-Q2 13F filings (latest filed 2026-09-22). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
97 tracked funds added or opened MBC while 40 trimmed or exited it between 2026-Q1 and 2026-Q2 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
MBC’s largest tracked holder by dollar value, BlackRock, Inc., sizes it at 0.0% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 0.0pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in MBC divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2026-Q1 and 2026-Q2, across 322 tracked filers holding MBC, 208 increased or opened the position and 131 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in MBC between the 2026-Q1 and 2026-Q2 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 14
- SYSTEMATIC FINANCIAL MANAGEMENT LP$20M
- HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC$14M
- GRACE & WHITE INC /NY$7M
- D.A. DAVIDSON & CO.$3M
- ALPINE ASSOCIATES MANAGEMENT INC.$3M
- Trexquant Investment LP$2M
Full exits 26
- Boston Partners$56M
- Apollo Management Holdings, L.P.$22M
- Nixon Capital, LLC$14M
- Decagon Asset Management LLP$13M
- STONEHILL CAPITAL MANAGEMENT LLC$12M
- Melqart Asset Management (UK) Ltd$9M
Largest adds
- BlackRock, Inc.$164M
- PZENA INVESTMENT MANAGEMENT LLC$126M
- REDWOOD CAPITAL MANAGEMENT, LLC$90M
- FMR LLC$72M
- Gates Capital Management, Inc.$50M
- STATE STREET CORP$44M
Largest trims
- RENAISSANCE TECHNOLOGIES LLC$5M
- GOLDMAN SACHS GROUP INC$5M
- COOKE & BIELER LP$4M
- CANYON CAPITAL ADVISORS LLC$3M
- MILLENNIUM MANAGEMENT LLC$3M
- MIRABELLA FINANCIAL SERVICES LLP$2M
Institutional holders
One row per tracked fund, most shares held first (every row is from one quarter; reported value breaks ties). “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding.
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| BlackRock, Inc. added | 31,554,598 | $325M | 14.8% | 2026-Q2 |
| PZENA INVESTMENT MANAGEMENT LLC added | 15,329,483 | $158M | 7.2% | 2026-Q2 |
| Coliseum Capital Management, LLC added | 13,200,117 | $136M | 6.2% | 2026-Q2 |
| Gates Capital Management, Inc. added | 13,186,754 | $136M | 6.2% | 2026-Q2 |
| FMR LLC added | 10,370,825 | $107M | 4.9% | 2026-Q2 |
| REDWOOD CAPITAL MANAGEMENT, LLC added | 9,821,896 | $101M | 4.6% | 2026-Q2 |
| DIMENSIONAL FUND ADVISORS LP added | 9,195,469 | $95M | 4.3% | 2026-Q2 |
| VANGUARD CAPITAL MANAGEMENT LLC added | 8,834,686 | $91M | 4.1% | 2026-Q2 |
| STATE STREET CORP added | 8,195,786 | $84M | 3.8% | 2026-Q2 |
| Pertento Partners LLP added | 5,968,072 | $61M | 2.8% | 2026-Q2 |
| GEODE CAPITAL MANAGEMENT, LLC added | 5,131,400 | $53M | 2.4% | 2026-Q2 |
| Sixth Street Partners Management Company, L.P. | 4,905,383 | $50M | 2.3% | 2026-Q2 |
| Diameter Capital Partners LP added | 4,779,445 | $49M | 2.2% | 2026-Q2 |
| Atlas FRM LLC added | 4,624,400 | $48M | 2.2% | 2026-Q2 |
| PARADIGM CAPITAL MANAGEMENT INC/NY added | 4,618,700 | $48M | 2.2% | 2026-Q2 |
| VANGUARD PORTFOLIO MANAGEMENT LLC added | 4,144,271 | $43M | 1.9% | 2026-Q2 |
| Monarch Alternative Capital LP added | 3,700,000 | $38M | 1.7% | 2026-Q2 |
| ACK Asset Management LLC | 3,700,000 | $38M | 1.7% | 2026-Q2 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC trimmed | 3,133,352 | $32M | 1.5% | 2026-Q2 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC added | 3,098,412 | $32M | 1.5% | 2026-Q2 |
| COOKE & BIELER LP trimmed | 2,551,527 | $26M | 1.2% | 2026-Q2 |
| MORGAN STANLEY added | 2,542,550 | $26M | 1.2% | 2026-Q2 |
| FRANKLIN RESOURCES INC added | 2,461,300 | $25M | 1.2% | 2026-Q2 |
| NORTHERN TRUST CORP added | 2,239,105 | $23M | 1.0% | 2026-Q2 |
| GOLDMAN SACHS GROUP INC trimmed | 1,977,045 | $20M | 0.9% | 2026-Q2 |
| SYSTEMATIC FINANCIAL MANAGEMENT LP new | 1,973,382 | $20M | 0.9% | 2026-Q2 |
| WELLS FARGO & COMPANY/MN added | 1,412,265 | $15M | 0.7% | 2026-Q2 |
| UBS Group AG added | 1,361,158 | $14M | 0.6% | 2026-Q2 |
| VANGUARD FIDUCIARY TRUST CO added | 1,336,320 | $14M | 0.6% | 2026-Q2 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC new | 1,325,647 | $14M | 0.6% | 2026-Q2 |
| Bank of New York Mellon Corp added | 1,253,280 | $13M | 0.6% | 2026-Q2 |
| Invesco Ltd. added | 1,198,469 | $12M | 0.6% | 2026-Q2 |
| CANYON CAPITAL ADVISORS LLC trimmed | 1,077,523 | $11M | 0.5% | 2026-Q2 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC added | 1,035,640 | $11M | 0.5% | 2026-Q2 |
| Marathon Asset Management Ltd added | 1,034,967 | $11M | 0.5% | 2026-Q2 |
| PRINCIPAL FINANCIAL GROUP INC added | 981,208 | $10M | 0.5% | 2026-Q2 |
| De Lisle Partners LLP trimmed | 948,420 | $10M | 0.4% | 2026-Q2 |
| RENAISSANCE TECHNOLOGIES LLC trimmed | 880,781 | $9M | 0.4% | 2026-Q2 |
| GRACE & WHITE INC /NY new | 714,463 | $7M | 0.3% | 2026-Q2 |
| Empowered Funds, LLC added | 697,948 | $7M | 0.3% | 2026-Q2 |
| Public Sector Pension Investment Board added | 697,458 | $7M | 0.3% | 2026-Q2 |
| Pictet Asset Management Holding SA added | 678,468 | $7M | 0.3% | 2026-Q2 |
| Ancora Advisors LLC added | 672,221 | $7M | 0.3% | 2026-Q2 |
| VICTORY CAPITAL MANAGEMENT INC added | 643,363 | $7M | 0.3% | 2026-Q2 |
| CITIGROUP INC added | 606,042 | $6M | 0.3% | 2026-Q2 |
| Nuveen, LLC added | 592,048 | $6M | 0.3% | 2026-Q2 |
| SEI INVESTMENTS CO added | 580,265 | $6M | 0.3% | 2026-Q2 |
| Polar Capital Holdings Plc trimmed | 560,017 | $6M | 0.3% | 2026-Q2 |
| Quantinno Capital Management LP added | 522,397 | $5M | 0.2% | 2026-Q2 |
| RHUMBLINE ADVISERS added | 511,811 | $5M | 0.2% | 2026-Q2 |
| PEREGRINE CAPITAL MANAGEMENT LLC added | 484,682 | $5M | 0.2% | 2026-Q2 |
| AMERIPRISE FINANCIAL INC added | 469,402 | $5M | 0.2% | 2026-Q2 |
| FIRST TRUST ADVISORS LP added | 468,434 | $5M | 0.2% | 2026-Q2 |
| Legal & General Group Plc added | 463,240 | $5M | 0.2% | 2026-Q2 |
| BANK OF AMERICA CORP /DE/ trimmed | 447,511 | $5M | 0.2% | 2026-Q2 |
| JPMORGAN CHASE & CO trimmed | 444,632 | $5M | 0.2% | 2026-Q2 |
| Creative Planning added | 425,554 | $4M | 0.2% | 2026-Q2 |
| AMERICAN CENTURY COMPANIES INC added | 415,680 | $4M | 0.2% | 2026-Q2 |
| DEUTSCHE BANK AG\ added | 402,798 | $4M | 0.2% | 2026-Q2 |
| Swiss National Bank added | 387,005 | $4M | 0.2% | 2026-Q2 |
| Allianz Asset Management GmbH trimmed | 374,226 | $4M | 0.2% | 2026-Q2 |
| D.A. DAVIDSON & CO. new | 320,081 | $3M | 0.1% | 2026-Q2 |
| D. E. Shaw & Co., Inc. added | 315,883 | $3M | 0.1% | 2026-Q2 |
| ALPINE ASSOCIATES MANAGEMENT INC. new | 297,262 | $3M | 0.1% | 2026-Q2 |
| PRICE T ROWE ASSOCIATES INC /MD/ added | 290,428 | $3M | 0.1% | 2026-Q2 |
| Russell Investments Group, Ltd. added | 273,099 | $3M | 0.1% | 2026-Q2 |
| Universal- Beteiligungs- und Servicegesellschaft mbH added | 260,831 | $3M | 0.1% | 2026-Q2 |
| ALLIANCEBERNSTEIN L.P. added | 233,376 | $2M | 0.1% | 2026-Q2 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM added | 230,536 | $2M | 0.1% | 2026-Q2 |
| EVR Research LP trimmed | 230,000 | $2M | 0.1% | 2026-Q2 |
| BARCLAYS PLC added | 224,975 | $2M | 0.1% | 2026-Q2 |
| AQR CAPITAL MANAGEMENT LLC trimmed | 214,137 | $2M | 0.1% | 2026-Q2 |
| PRUDENTIAL FINANCIAL INC added | 212,194 | $2M | 0.1% | 2026-Q2 |
| ROYCE & ASSOCIATES LP trimmed | 209,256 | $2M | 0.1% | 2026-Q2 |
| Rafferty Asset Management, LLC added | 192,081 | $2M | 0.1% | 2026-Q2 |
| VANGUARD ASSET MANAGEMENT, Ltd added | 169,034 | $2M | 0.1% | 2026-Q2 |
| Trexquant Investment LP trimmed | 166,382 | $2M | 0.1% | 2026-Q2 |
| Diametric Capital, LP added | 150,669 | $2M | 0.1% | 2026-Q2 |
| AMERICAN FINANCIAL GROUP INC new | 148,958 | $2M | 0.1% | 2026-Q2 |
| State of New Jersey Common Pension Fund D new | 139,336 | $1M | 0.1% | 2026-Q2 |
| FEDERATED HERMES, INC. added | 137,038 | $1M | 0.1% | 2026-Q2 |
| GABELLI FUNDS LLC added | 132,620 | $1M | 0.1% | 2026-Q2 |
| EFG International AG | 130,759 | $1M | 0.1% | 2026-Q2 |
| ALLSTATE CORP added | 122,855 | $1M | 0.1% | 2026-Q2 |
| LMR Partners LLP added | 119,566 | $1M | 0.1% | 2026-Q2 |
| MetLife Investment Management, LLC added | 119,275 | $1M | 0.1% | 2026-Q2 |
| MILLENNIUM MANAGEMENT LLC trimmed | 106,650 | $1M | 0.0% | 2026-Q2 |
| Illinois Municipal Retirement Fund added | 105,781 | $1M | 0.0% | 2026-Q2 |
| Vanguard Global Advisers, LLC added | 105,494 | $1M | 0.0% | 2026-Q2 |
| Orion Porfolio Solutions, LLC added | 100,352 | $1M | 0.0% | 2026-Q2 |
| WOLVERINE ASSET MANAGEMENT LLC added | 93,936 | $967K | 0.0% | 2026-Q2 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. added | 93,638 | $964K | 0.0% | 2026-Q2 |
| Jupiter Topco LLC new | 93,057 | $957K | 0.0% | 2026-Q2 |
| Zurcher Kantonalbank (Zurich Cantonalbank) added | 84,443 | $869K | 0.0% | 2026-Q2 |
| PNC Financial Services Group, Inc. added | 83,328 | $857K | 0.0% | 2026-Q2 |
| NEW YORK STATE COMMON RETIREMENT FUND trimmed | 83,300 | $857K | 0.0% | 2026-Q2 |
| US BANCORP \DE\ added | 80,957 | $833K | 0.0% | 2026-Q2 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP added | 76,453 | $787K | 0.0% | 2026-Q2 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE added | 73,390 | $755K | 0.0% | 2026-Q2 |
| MIRABELLA FINANCIAL SERVICES LLP trimmed | 72,892 | $750K | 0.0% | 2026-Q2 |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.