Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
156 institutional managers reported holding MLCO for the quarter ended Mar 31, 2026. Together they hold about 9% of shares outstanding; the top 10 hold 7%. 21 opened new positions; 34 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Arga Investment Management, LP | 14.51M | 1.21% | $82.4M | trimmed -36.5% | 2020 Q4 |
| Coronation Fund Managers LTD. | 11.27M | 0.94% | $64.0M | added +35.2% | 2018 Q4 |
| Citadel Advisors | 11.07M | 0.92% | $62.9M | added +7.7% | ≤2013 |
| FIL LTD | 9.43M | 0.79% | $53.6M | added +102.8% | 2025 Q4 |
| Arrowstreet Capital | 9.02M | 0.75% | $51.2M | trimmed -1.9% | 2024 Q4 |
| BlackRock | 8.50M | 0.71% | $48.3M | added +40.2% | ≤2013 |
| UBS | 4.51M | 0.38% | $25.6M | added +54.5% | ≤2013 |
| Renaissance Technologies | 4.46M | 0.37% | $25.3M | added +7.9% | 2023 Q2 |
| D. E. Shaw | 4.18M | 0.35% | $23.7M | added +68.2% | 2014 Q2 |
| WCM Investment Management | 3.89M | 0.32% | $22.1M | trimmed -4.4% | 2025 Q3 |
| Morgan Stanley | 2.62M | 0.22% | $14.9M | trimmed -31.2% | ≤2013 |
| Southeastern Asset Management INC/TN/ (focused) | 1.80M | 0.15% | $10.2M | unchanged | 2020 Q2 |
| Point72 | 1.71M | 0.14% | $9.7M | trimmed -39% | 2024 Q2 |
| State Street | 1.61M | 0.13% | $9.2M | trimmed -13.9% | ≤2013 |
| SEI Investments CO | 1.40M | 0.12% | $8.0M | trimmed -18.6% | 2023 Q3 |
| BNP Paribas Financial Markets | 1.28M | 0.11% | $7.3M | trimmed -13% | ≤2013 |
| Capitolis Liquid Global Markets LLC | 1.22M | 0.10% | $6.9M | unchanged | 2025 Q4 |
| Deutsche Bank AG\ | 1.14M | 0.10% | $6.5M | unchanged | 2013 Q3 |
| NEW York State Common Retirement Fund | 1.04M | 0.09% | $5.9M | trimmed -26.2% | 2021 Q1 |
| Bank OF America CORP /DE/ | 890.8k | 0.07% | $5.1M | added +177.7% | ≤2013 |
| RBF Capital, LLC | 650.0k | 0.05% | $3.7M | trimmed -23.5% | 2025 Q1 |
| Bridger Management, LLC (focused) | 523.0k | 0.04% | $3.0M | unchanged | 2022 Q3 |
| Susquehanna International Group | 496.2k | 0.04% | $2.8M | added +395% | ≤2013 |
| Jane Street | 479.3k | 0.04% | $2.7M | opened | 2014 Q1 |
| Bleakley Financial Group, LLC | 461.5k | 0.04% | $2.6M | added +29.8% | 2022 Q4 |
| SG Americas Securities, LLC | 461.1k | 0.04% | $2.6M | added +190.9% | 2014 Q3 |
| Goldman Sachs | 391.8k | 0.03% | $2.2M | trimmed -13.2% | ≤2013 |
| Millennium Management | 381.0k | 0.03% | $2.2M | added +102.4% | ≤2013 |
| Geode Capital | 362.9k | 0.03% | $2.1M | added +1.5% | ≤2013 |
| Trexquant Investment LP | 354.3k | 0.03% | $2.0M | trimmed -20.8% | 2024 Q1 |
| Citigroup INC | 332.8k | 0.03% | $1.9M | added +45% | ≤2013 |
| CenterBook Partners LP | 324.3k | 0.03% | $1.8M | opened | 2026 Q1 |
| Jupiter Asset Management LTD | 320.6k | 0.03% | $1.8M | opened | 2026 Q1 |
| Lord, Abbett & CO. LLC | 315.0k | 0.03% | $1.8M | trimmed -41.1% | 2025 Q3 |
| Swiss National Bank | 309.3k | 0.03% | $1.8M | unchanged | 2015 Q4 |
| Voloridge Investment Management | 308.2k | 0.03% | $1.8M | trimmed -60.9% | 2025 Q3 |
| Ameriprise Financial INC | 289.0k | 0.02% | $1.6M | added +11.8% | ≤2013 |
| Public Employees Retirement System OF Ohio | 274.6k | 0.02% | $1.6M | trimmed -64.6% | 2025 Q1 |
| Charles Schwab Investment Management | 268.0k | 0.02% | $1.5M | added +5% | 2024 Q2 |
| Northern Trust | 236.6k | 0.02% | $1.3M | trimmed -5.3% | ≤2013 |
| Capula Management LTD | 233.4k | 0.02% | $1.3M | opened | 2026 Q1 |
| Hsbc Holdings PLC | 220.4k | 0.02% | $1.3M | added +59.4% | 2025 Q3 |
| California State Teachers Retirement System | 164.0k | 0.01% | $931k | trimmed -0.6% | 2016 Q4 |
| Vanguard Group | 158.4k | 0.01% | $900k | unchanged | 2015 Q4 |
| Toronto Dominion Bank | 157.3k | 0.01% | $893k | opened | 2026 Q1 |
| Numerai GP LLC | 152.2k | 0.01% | $864k | added +36.1% | 2025 Q1 |
| Qube Research & Technologies LTD | 144.1k | 0.01% | $818k | trimmed -20.5% | 2025 Q4 |
| Two Sigma | 140.5k | 0.01% | $798k | trimmed -23.6% | 2021 Q3 |
| Barclays PLC | 139.8k | 0.01% | $794k | trimmed -49.8% | ≤2013 |
| Samalin Investment Counsel, LLC | 138.8k | 0.01% | $788k | added +907.6% | 2019 Q4 |
Largest 50 of 156 shown; the full ranked, searchable register is at boothcheck.com/holders/MLCO. 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.