Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
426 institutional managers reported holding MTN for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 78%. 62 opened new positions; 88 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Bamco INC /NY/ | 5.04M | 14.10% | $647.2M | added +4.9% | ≤2013 |
| Capital Group (American Funds) | 4.43M | 12.37% | $568.0M | added +38.5% | 2024 Q4 |
| Capital International Investors | 4.01M | 11.21% | $515.0M | trimmed -16.1% | 2018 Q4 |
| Vanguard Group | 3.58M | 10.01% | $459.6M | added +2% | ≤2013 |
| BlackRock | 3.38M | 9.44% | $433.3M | added +1.5% | ≤2013 |
| Oasis Management CO LTD. | 2.09M | 5.84% | $268.0M | added +12.8% | 2025 Q2 |
| Geode Capital | 1.69M | 4.71% | $216.5M | added +140.7% | ≤2013 |
| FMR (Fidelity) | 1.20M | 3.35% | $154.1M | added +151.2% | ≤2013 |
| Charles Schwab Investment Management | 1.19M | 3.33% | $153.1M | trimmed -17.2% | ≤2013 |
| First Manhattan CO. LLC. | 1.18M | 3.29% | $151.0M | added +8.2% | 2024 Q2 |
| State Street | 1.10M | 3.08% | $141.6M | added +0.8% | ≤2013 |
| Manufacturers Life Insurance Company, THE | 976.7k | 2.73% | $125.3M | added +26% | ≤2013 |
| UBS | 834.3k | 2.33% | $107.1M | added +20.5% | ≤2013 |
| Morgan Stanley | 771.4k | 2.16% | $99.0M | added +12.8% | ≤2013 |
| Harris Associates (Oakmark) | 745.6k | 2.08% | $95.7M | added +4.3% | 2023 Q1 |
| Eminence Capital (focused) | 714.1k | 2.00% | $91.6M | opened | 2026 Q1 |
| Dimensional Fund Advisors | 648.9k | 1.81% | $83.3M | trimmed -4.6% | ≤2013 |
| HighTower Advisors, LLC | 580.5k | 1.62% | $74.5M | added +29% | 2023 Q2 |
| River Road Asset Management, LLC | 504.0k | 1.41% | $64.7M | trimmed -0.9% | 2024 Q1 |
| Nomura Asset Management International INC. | 439.4k | 1.23% | $56.4M | added +193.8% | 2024 Q4 |
| Northern Trust | 421.0k | 1.18% | $54.0M | trimmed -10.2% | ≤2013 |
| Corient Private Wealth LLC | 411.8k | 1.15% | $52.9M | trimmed -10.2% | 2022 Q4 |
| Epoch Investment Partners, INC. | 387.5k | 1.08% | $49.7M | added +14.3% | 2018 Q1 |
| BNY Mellon | 366.8k | 1.02% | $47.1M | trimmed -3.9% | ≤2013 |
| Artisan Partners | 269.9k | 0.75% | $34.6M | trimmed -6.7% | 2020 Q1 |
| Kettle Hill Capital Management, LLC (focused) | 206.7k | 0.58% | $26.5M | opened | 2026 Q1 |
| Cramer Rosenthal Mcglynn LLC | 202.9k | 0.57% | $26.0M | added +6% | 2025 Q3 |
| Bank OF America CORP /DE/ | 192.4k | 0.54% | $24.7M | trimmed -25.6% | ≤2013 |
| SEI Investments CO | 186.7k | 0.52% | $24.0M | added +38.4% | 2014 Q4 |
| D. E. Shaw | 173.3k | 0.48% | $22.2M | added +31.1% | 2025 Q4 |
| Connor, Clark & Lunn Investment Management LTD. | 150.5k | 0.42% | $19.3M | added +3.8% | 2023 Q2 |
| Mirae Asset Global Etfs Holdings LTD. | 131.4k | 0.37% | $16.9M | added +304.4% | 2024 Q1 |
| Raymond James Financial INC | 127.6k | 0.36% | $16.4M | added +30.1% | ≤2013 |
| Citadel Advisors | 127.3k | 0.36% | $16.3M | trimmed -32.6% | ≤2013 |
| Clearline Capital LP | 124.5k | 0.35% | $16.0M | added +246.8% | 2025 Q2 |
| London CO OF Virginia | 117.9k | 0.33% | $15.1M | added +14.7% | 2023 Q3 |
| Marathon Asset Management LTD | 117.3k | 0.33% | $15.1M | added +34.2% | 2024 Q3 |
| Rice Hall James & Associates, LLC | 116.8k | 0.33% | $15.0M | added +5.9% | ≤2013 |
| Westwood Holdings Group INC | 115.9k | 0.32% | $14.9M | unchanged | 2025 Q4 |
| Aperture Investors, LLC | 113.0k | 0.32% | $14.5M | trimmed -25.4% | 2025 Q2 |
| Ariel Investments, LLC | 112.3k | 0.31% | $14.4M | unchanged | 2020 Q1 |
| HRT Financial LP | 111.5k | 0.31% | $14.3M | added +15% | 2024 Q3 |
| Invenomic Capital Management LP | 110.5k | 0.31% | $14.2M | added +204.8% | 2025 Q1 |
| Arrowstreet Capital | 108.5k | 0.30% | $13.9M | trimmed -49.9% | 2024 Q1 |
| Franklin Resources | 107.0k | 0.30% | $13.7M | added +1.2% | ≤2013 |
| Rhumbline Advisers | 106.1k | 0.30% | $13.6M | added +1.1% | ≤2013 |
| Alps Advisors INC | 101.1k | 0.28% | $13.0M | trimmed -4.6% | 2024 Q3 |
| Hotchkis & Wiley Capital Management LLC | 96.9k | 0.27% | $12.4M | opened | 2026 Q1 |
| Michelson Medical Research Foundation, INC. (focused) | 86.0k | 0.24% | $11.0M | unchanged | 2024 Q3 |
| IAT Reinsurance CO LTD. | 84.0k | 0.23% | $10.8M | unchanged | 2014 Q4 |
Largest 50 of 426 shown; the full ranked, searchable register is at boothcheck.com/holders/MTN. 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.