3 institutions reported holding $236 of PRIMARYHYDROGENCORP (HNATF) in SEC 13F filings for 2026-03-31. Largest institutional holders: Gleason Group, Inc. ($175), NBC SECURITIES, INC. ($61), Curbstone Financial Management Corp ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Gleason Group, Inc. | $175 | 192 | Trimmed |
| 2 | NBC SECURITIES, INC. | $61 | 100 | Trimmed |
| 3 | Curbstone Financial Management Corp | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31