1 institutions reported holding $2,000 of MFS CORPORATE BOND A (MFBFX) in SEC 13F filings for 2026-03-31. Largest institutional holders: Coston, McIsaac & Partners ($2,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Coston, McIsaac & Partners | $2,000 | 184 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31