Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
447 institutional managers reported holding MHK for the quarter ended Mar 31, 2026. Together they hold about 85% of shares outstanding; the top 10 hold 49%. 70 opened new positions; 91 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 6.37M | 10.32% | $626.6M | added +2.4% | ≤2013 |
| Vanguard Group | 5.51M | 8.93% | $542.5M | added +2% | ≤2013 |
| AQR Capital | 4.30M | 6.96% | $423.0M | added +134.9% | 2019 Q4 |
| Dimensional Fund Advisors | 3.22M | 5.22% | $316.9M | added +2.6% | ≤2013 |
| Brandes Investment Partners, LP | 2.62M | 4.24% | $257.7M | added +137.5% | 2018 Q4 |
| FMR (Fidelity) | 2.32M | 3.77% | $228.8M | added +20.7% | ≤2013 |
| Ariel Investments, LLC | 1.74M | 2.83% | $171.7M | added +1.7% | ≤2013 |
| State Street | 1.71M | 2.77% | $168.1M | added +0.6% | ≤2013 |
| MFS Investment Management | 1.56M | 2.53% | $153.8M | trimmed -4.3% | 2024 Q2 |
| Pzena Investment Management | 1.15M | 1.87% | $113.5M | trimmed -2.8% | 2019 Q1 |
| Geode Capital | 929.9k | 1.51% | $91.5M | added +3% | ≤2013 |
| Schroder Investment Management Group | 870.1k | 1.41% | $85.6M | added +9.4% | 2015 Q1 |
| UBS | 718.2k | 1.16% | $70.7M | added +108.5% | ≤2013 |
| American Century Companies INC | 660.3k | 1.07% | $65.0M | trimmed -36.4% | 2019 Q4 |
| Sound Shore Management INC /CT/ (focused) | 642.5k | 1.04% | $63.2M | trimmed -1.2% | 2025 Q1 |
| Two Sigma | 626.7k | 1.02% | $61.7M | added +28.2% | 2025 Q4 |
| Morgan Stanley | 555.2k | 0.90% | $54.7M | trimmed -3.2% | ≤2013 |
| Steadfast Capital Management LP | 543.1k | 0.88% | $53.5M | trimmed -47.8% | 2025 Q2 |
| Masters Capital Management LLC (focused) | 500.0k | 0.81% | $49.2M | added +25% | 2025 Q3 |
| Charles Schwab Investment Management | 489.0k | 0.79% | $48.1M | trimmed -2.2% | ≤2013 |
| Bank OF America CORP /DE/ | 444.3k | 0.72% | $43.7M | added +68% | ≤2013 |
| Gendell Jeffrey L | 425.3k | 0.69% | $41.9M | trimmed -4.6% | 2022 Q1 |
| Northern Trust | 372.7k | 0.60% | $36.7M | trimmed -0.7% | ≤2013 |
| Goldman Sachs | 360.4k | 0.58% | $35.5M | trimmed -18.4% | ≤2013 |
| Arga Investment Management, LP | 353.4k | 0.57% | $34.8M | added +36.1% | 2023 Q3 |
| Arrowstreet Capital | 326.9k | 0.53% | $32.2M | trimmed -32.1% | 2022 Q4 |
| NEW York State Common Retirement Fund | 321.5k | 0.52% | $31.6M | added +9.6% | ≤2013 |
| Wilsey Asset Management INC (focused) | 303.1k | 0.49% | $29.8M | added +27.4% | 2019 Q3 |
| Lodge Hill Capital, LLC (focused) | 302.5k | 0.49% | $29.8M | added +7.1% | 2023 Q2 |
| Victory Capital Management INC | 301.3k | 0.49% | $29.7M | trimmed -6.7% | 2015 Q2 |
| BNY Mellon | 297.0k | 0.48% | $29.2M | trimmed -3.6% | ≤2013 |
| VAN Lanschot Kempen Investment Management N.v. | 295.9k | 0.48% | $29.1M | trimmed -4.7% | 2023 Q1 |
| Paradice Investment Management LLC (focused) | 294.2k | 0.48% | $29.0M | added +11.9% | 2023 Q2 |
| Donald Smith & CO., INC. | 290.6k | 0.47% | $28.6M | added +0.5% | 2025 Q2 |
| Hook Mill Capital Partners, LP (focused) | 281.3k | 0.46% | $27.7M | added +22.3% | 2024 Q1 |
| Clearbridge Investments, LLC | 271.8k | 0.44% | $26.8M | unchanged | 2024 Q2 |
| Edmond DE Rothschild Holding S.a. | 270.0k | 0.44% | $26.6M | added +22.7% | 2023 Q1 |
| Qube Research & Technologies LTD | 263.1k | 0.43% | $25.9M | trimmed -53.6% | 2023 Q3 |
| Principal Financial Group INC | 251.6k | 0.41% | $24.8M | added +2% | ≤2013 |
| Apollo Management | 242.1k | 0.39% | $23.8M | opened | 2026 Q1 |
| Millennium Management | 242.0k | 0.39% | $23.8M | trimmed -57.1% | 2019 Q1 |
| Invesco | 236.2k | 0.38% | $23.3M | trimmed -2.2% | ≤2013 |
| Wallace Capital Management INC. | 213.8k | 0.35% | $21.0M | added +2.7% | 2020 Q1 |
| SG Americas Securities, LLC | 200.4k | 0.33% | $19.7M | added +491.1% | ≤2013 |
| IEQ Capital, LLC | 199.7k | 0.32% | $19.7M | added +119.4% | 2024 Q3 |
| Public Sector Pension Investment Board | 185.8k | 0.30% | $18.3M | added +3.4% | 2013 Q4 |
| BNP Paribas Financial Markets | 183.7k | 0.30% | $18.1M | added +37.7% | ≤2013 |
| Quantinno Capital Management LP | 172.0k | 0.28% | $16.9M | added +1.9% | 2019 Q2 |
| Point72 | 166.2k | 0.27% | $16.4M | added +91.3% | 2025 Q4 |
| Raymond James Financial INC | 165.6k | 0.27% | $16.3M | added +21.3% | 2013 Q3 |
Largest 50 of 447 shown; the full ranked, searchable register is at boothcheck.com/holders/MHK. 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.