Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
211 institutional managers reported holding MCW for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 86%. 47 opened new positions; 50 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Leonard Green & Partners, L.p. (focused) | 219.21M | 65.57% | $1.53B | unchanged | 2021 Q2 |
| BlackRock | 14.77M | 4.42% | $103.1M | trimmed -0.9% | 2021 Q2 |
| Greenhouse Funds Lllp (focused) | 13.34M | 3.99% | $93.1M | trimmed -19.4% | 2022 Q1 |
| Vanguard Group | 10.55M | 3.15% | $73.6M | added +1.6% | 2021 Q2 |
| Brown Advisory INC | 7.49M | 2.24% | $52.3M | trimmed -38.3% | 2022 Q3 |
| Dimensional Fund Advisors | 6.33M | 1.89% | $44.2M | trimmed -4.2% | 2023 Q3 |
| Glazer Capital, LLC | 4.78M | 1.43% | $33.3M | opened | 2026 Q1 |
| Empyrean Capital Partners, LP | 4.25M | 1.27% | $29.7M | opened | 2026 Q1 |
| State Street | 3.60M | 1.08% | $25.1M | trimmed -1% | 2021 Q3 |
| TIG Advisors, LLC | 3.44M | 1.03% | $24.0M | opened | 2026 Q1 |
| Decagon Asset Management LLP | 2.92M | 0.88% | $20.4M | opened | 2026 Q1 |
| Bank OF America CORP /DE/ | 2.91M | 0.87% | $20.3M | added +495.8% | 2021 Q2 |
| Geode Capital | 2.68M | 0.80% | $18.7M | added +2.3% | 2021 Q3 |
| Millennium Management | 2.55M | 0.76% | $17.8M | added +1062.9% | 2022 Q2 |
| AQR Capital | 2.45M | 0.73% | $17.1M | added +63.4% | 2023 Q1 |
| FIL LTD | 2.05M | 0.61% | $14.3M | trimmed -66.7% | 2021 Q2 |
| Polar Asset Management Partners INC. | 2.04M | 0.61% | $14.2M | added +961.3% | 2025 Q4 |
| Goldman Sachs | 1.38M | 0.41% | $9.7M | trimmed -35.9% | 2021 Q2 |
| UBS | 1.22M | 0.37% | $8.5M | added +179.9% | 2021 Q3 |
| FourWorld Capital Management LLC (focused) | 1.20M | 0.36% | $8.4M | opened | 2026 Q1 |
| Northern Trust | 1.12M | 0.34% | $7.8M | added +2% | 2021 Q3 |
| Man Group | 1.10M | 0.33% | $7.7M | opened | 2026 Q1 |
| Qube Research & Technologies LTD | 1.09M | 0.33% | $7.6M | trimmed -24% | 2024 Q3 |
| Charles Schwab Investment Management | 978.4k | 0.29% | $6.8M | added +11.2% | 2021 Q3 |
| Morgan Stanley | 810.8k | 0.24% | $5.7M | trimmed -73.6% | 2021 Q2 |
| Cantor Fitzgerald, L. P. | 715.4k | 0.21% | $5.0M | opened | 2026 Q1 |
| BNY Mellon | 715.1k | 0.21% | $5.0M | trimmed -2.1% | 2021 Q3 |
| Arrowstreet Capital | 660.2k | 0.20% | $4.6M | trimmed -45% | 2025 Q1 |
| Groupe la Francaise | 648.4k | 0.19% | $4.5M | opened | 2026 Q1 |
| Tudor Investment | 562.5k | 0.17% | $3.9M | added +30.7% | 2024 Q4 |
| Verition Fund Management | 508.9k | 0.15% | $3.6M | added +388.8% | 2023 Q1 |
| Principal Financial Group INC | 480.4k | 0.14% | $3.4M | added +2.2% | 2022 Q2 |
| First Trust Advisors LP | 417.1k | 0.13% | $2.9M | added +3.7% | 2022 Q3 |
| Credit Industriel ET Commercial | 401.6k | 0.12% | $2.8M | opened | 2026 Q1 |
| Invesco | 393.2k | 0.12% | $2.7M | trimmed -8.3% | 2021 Q3 |
| CastleKnight Management LP | 373.1k | 0.11% | $2.6M | unchanged | 2025 Q3 |
| Boussard & Gavaudan Investment Management LLP | 352.5k | 0.10% | $2.5M | opened | 2026 Q1 |
| Public Sector Pension Investment Board | 351.5k | 0.10% | $2.5M | added +3.3% | 2022 Q3 |
| Citigroup INC | 350.5k | 0.10% | $2.4M | added +607.3% | 2021 Q2 |
| Citadel Advisors | 347.0k | 0.10% | $2.4M | added +42.4% | 2021 Q2 |
| Cibra Capital LTD (focused) | 336.9k | 0.10% | $2.4M | opened | 2026 Q1 |
| Rhumbline Advisers | 292.8k | 0.09% | $2.0M | trimmed -1% | 2021 Q3 |
| ExodusPoint | 278.2k | 0.08% | $1.9M | opened | 2024 Q3 |
| Creative Planning | 224.2k | 0.07% | $1.6M | added +30.1% | 2023 Q4 |
| Rangeley Capital, LLC | 220.5k | 0.07% | $1.5M | opened | 2026 Q1 |
| SEI Investments CO | 218.5k | 0.07% | $1.5M | trimmed -26.1% | 2021 Q2 |
| Gabelli & CO Investment Advisers, INC. | 209.1k | 0.06% | $1.5M | opened | 2026 Q1 |
| Legal & General Group PLC | 207.3k | 0.06% | $1.4M | trimmed -11.7% | 2021 Q2 |
| Omers Administration CORP | 198.6k | 0.06% | $1.4M | opened | 2025 Q3 |
| Swiss National Bank | 193.6k | 0.06% | $1.4M | unchanged | 2021 Q4 |
Largest 50 of 211 shown; the full ranked, searchable register is at boothcheck.com/holders/MCW. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.