8 institutions reported holding $3.0M of NORSK HYDRO AS SPONS ADR (NHYDY) in SEC 13F filings for 2026-06-30. Largest institutional holders: Madison Asset Management, LLC ($2.0M), RHUMBLINE ADVISERS ($804,312), GAMMA Investing LLC ($177,021), Salomon & Ludwin, LLC ($8,550), PNC Financial Services Group, Inc. ($2,513). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Madison Asset Management, LLC | $2.0M | 217,421 | Trimmed |
| 2 | RHUMBLINE ADVISERS | $804,312 | 88,974 | Added |
| 3 | GAMMA Investing LLC | $177,021 | 19,582 | Added |
| 4 | Salomon & Ludwin, LLC | $8,550 | 976 | Hold |
| 5 | PNC Financial Services Group, Inc. | $2,513 | 278 | Added |
| 6 | First Command Advisory Services, Inc. | $1,410 | 156 | New |
| 7 | IMA Advisory Services, Inc. | $1,266 | 140 | Hold |
| 8 | YOUSIF CAPITAL MANAGEMENT, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30