7 institutions reported holding $1.6M of Sampo Oyj (SAXPY) in SEC 13F filings for 2026-03-31. Largest institutional holders: RHUMBLINE ADVISERS ($995,430), ALTA CAPITAL MANAGEMENT LLC/ ($237,281), Boston Common Asset Management, LLC ($224,681), GAMMA Investing LLC ($106,201), Salomon & Ludwin, LLC ($6,344). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RHUMBLINE ADVISERS | $995,430 | 46,533 | Added |
| 2 | ALTA CAPITAL MANAGEMENT LLC/ | $237,281 | 11,093 | New |
| 3 | Boston Common Asset Management, LLC | $224,681 | 10,504 | Added |
| 4 | GAMMA Investing LLC | $106,201 | 4,965 | Trimmed |
| 5 | Salomon & Ludwin, LLC | $6,344 | 297 | Trimmed |
| 6 | NBC SECURITIES, INC. | $0 | 0 | Exited |
| 7 | Ancora Advisors LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31