9 institutions reported holding $1.3M of Sonova Holding Ag Unsponsored Adr (SONVY) in SEC 13F filings for 2026-03-31. Largest institutional holders: RHUMBLINE ADVISERS ($863,513), Sterling Capital Management LLC ($278,496), PNC Financial Services Group, Inc. ($83,530), GAMMA Investing LLC ($61,110), Ancora Advisors LLC ($8,226). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RHUMBLINE ADVISERS | $863,513 | 19,104 | Added |
| 2 | Sterling Capital Management LLC | $278,496 | 6,251 | Trimmed |
| 3 | PNC Financial Services Group, Inc. | $83,530 | 1,848 | Trimmed |
| 4 | GAMMA Investing LLC | $61,110 | 1,352 | Trimmed |
| 5 | Ancora Advisors LLC | $8,226 | 182 | Hold |
| 6 | HANTZ FINANCIAL SERVICES, INC. | $6,000 | 123 | Hold |
| 7 | IMA Advisory Services, Inc. | $723 | 16 | Added |
| 8 | Signature Equity Partners, LLC | $0 | 0 | Exited |
| 9 | Salomon & Ludwin, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31