Significant Ownership of James N. Topper
- Large-stake filing summary
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- Recent SEC Schedule 13D/G filings for James N. Topper 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
- Palo Alto, CA
Large-stake snapshot
1 signal
Manager
Names, identifiers, and filing context for this profile.
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Significant Ownership of James N. Topper
| Sym | Company | Class | Ownership | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|---|
| PHAT | PHATHOM PHARMACEUTICALS, INC. | Common Stock, $0.0001 par value per share | 8.6% | $70,447,299 | 5,985,327 | 0% | James N. Topper | 01 Nov 2025 |
Schedules 13D/G Reported by James N. Topper:
| 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.