8 institutions reported holding $4.1M of Norsk Hydro Asa Adr-Each Cnv Into 1 Ord Nok1.098 (NHYDY) in SEC 13F filings for 2026-03-31. Largest institutional holders: Madison Asset Management, LLC ($2.7M), RHUMBLINE ADVISERS ($928,564), YOUSIF CAPITAL MANAGEMENT, LLC ($236,022), GAMMA Investing LLC ($195,715), Salomon & Ludwin, LLC ($10,355). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Madison Asset Management, LLC | $2.7M | 251,110 | Added |
| 2 | RHUMBLINE ADVISERS | $928,564 | 86,621 | Added |
| 3 | YOUSIF CAPITAL MANAGEMENT, LLC | $236,022 | 22,430 | Trimmed |
| 4 | GAMMA Investing LLC | $195,715 | 18,257 | Trimmed |
| 5 | Salomon & Ludwin, LLC | $10,355 | 976 | Hold |
| 6 | PNC Financial Services Group, Inc. | $2,155 | 201 | Added |
| 7 | IMA Advisory Services, Inc. | $1,500 | 140 | Trimmed |
| 8 | Signature Equity Partners, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31