Significant Ownership of Mark N. Tompkins
- Large-stake filing summary
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- Recent SEC Schedule 13D/G filings for Mark N. Tompkins focus on large-stake beneficial ownership disclosures and amendments.
- Use this view to spot new large holders, amended positions, and activist-style ownership evidence.
- Manager location
- Lugano Paradiso
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Manager
Names, identifiers, and filing context for this profile.
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Significant Ownership of Mark N. Tompkins
| Sym | Company | Class | Ownership | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|---|
| Primus Acquisition Inc. | Common Stock, par value $0.0001 per share | 75% | 7,500,000 | Mark N. Tompkins | 31 Dec 2025 | ||||
| Deep Fission, Inc. | Common Stock, par value $0.0001 per share | 5.6% | 3,158,333 | +6.8% | Mark N.Tompkins | 31 Mar 2026 | |||
| Deep Isolation Nuclear, Inc. | Common Stock, par value $0.0001 per share | 5.5% | 3,150,000 | Mark N. Tompkins | 31 Mar 2026 | ||||
| ALMU | Aeluma, Inc. | Common Stock, par value $0.0001 per share | 4.8% | $13,584,750 | -$17,498,816 | 885,000 | -56% | Mark N. Tompkins | 31 Mar 2026 |
| PMNT | Perfect Moment Ltd. | Common Stock, par value $0.0001 per share | 4.1% | $646,180 | 652,707 | Mark N. Tompkins | 31 Dec 2024 | ||
| Lomond Therapeutics Holdings, Inc. | Common Stock, par value $0.0001 per share | 4% | 1,187,500 | Mark N. Tompkins | 31 Dec 2024 |
Schedules 13D/G Reported by Mark N. Tompkins:
| Sym | Target | Class | Ownership | Change | Current shares | Change | Value | Reporting name | Form | Report period | Filing date |
|---|
Schedule rows are parsed from SEC 13D/G filings. Open the linked filing or target page to verify the reported ownership and shares.