MFS Series Trust III (CIK 225604) is an SEC-registered fund company with 4 reporting fund series and $8.1B in net assets as of 2026-04-30.
| Series | Net assets |
|---|---|
| MFS Municipal High Income Fund | $5.4B |
| MFS High Income Fund | $2.0B |
| MFS High Yield Pooled Portfolio | $520.1M |
| MFS Global High Yield Fund | $181.4M |
| Holding | Value |
|---|---|
| MFS Institutional Money Market Portfolio | $60.3M |
| iShares Broad USD High Yield Corporate Bond ETF | $29.2M |
| CCO Holdings LLC | $17.1M |
| Carvana Co. | $14.5M |
| Jane Street Group | $13.8M |
| Quikrete Holdings, Inc. | $13.4M |
| Albertsons Cos., Inc. | $13.3M |
| PennyMac Financial Services, Inc. | $12.2M |
| Service Corp. International | $12.1M |
| RB Global Holdings, Inc. | $11.9M |
| TransDigm, Inc. | $11.6M |
| CCO Holdings LLC | $11.6M |
| Hilton Domestic Operating Co., Inc. | $11.5M |
| Antero Midstream Partners LP | $11.5M |
| Panther Escrow Issuer LLC | $11.2M |