Significant Ownership of Graham Holdings Co
- Large-stake filing summary
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- Recent SEC Schedule 13D/G filings for Graham Holdings Co 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
- Arlington, VA
Large-stake snapshot
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Manager
Names, identifiers, and filing context for this profile.
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Significant Ownership of Graham Holdings Co
| Sym | Company | Class | Ownership | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|---|
| PUBM | PubMatic, Inc. | Class A Common Stock, par value $0.0001 per share | 8.9% | $27,803,035 | +$4,641,676 | 3,398,904 | +20% | Graham Holdings Company | 31 Mar 2026 |
Schedules 13D/G Reported by Graham Holdings Co:
| 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.