1 institutions reported holding $43 of MALLINCKRODT GROUP INC (MKG) in SEC 13F filings for 2026-03-31. Largest institutional holders: HUNTINGTON NATIONAL BANK ($43). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | HUNTINGTON NATIONAL BANK | $43 | 1 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31