4 institutions reported holding $250,619 of ASTRA INTERNATIONAL ADR (PTAIY) in SEC 13F filings for 2026-03-31. Largest institutional holders: CONFLUENCE INVESTMENT MANAGEMENT LLC ($154,354), RHUMBLINE ADVISERS ($93,703), PNC Financial Services Group, Inc. ($2,088), IMA Advisory Services, Inc. ($474). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CONFLUENCE INVESTMENT MANAGEMENT LLC | $154,354 | 20,177 | Added |
| 2 | RHUMBLINE ADVISERS | $93,703 | 12,249 | Trimmed |
| 3 | PNC Financial Services Group, Inc. | $2,088 | 273 | Trimmed |
| 4 | IMA Advisory Services, Inc. | $474 | 62 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31