SEC Filing Summary: Graham Holdings Co (Form 13F)
Business Context and Reporting Period
This filing is a Form 13F Information Table submitted by Graham Holdings Co. The reporting period ends on June 30, 2026. This form discloses the company's holdings of equity securities as of the end of the quarter.
Key Financial Metrics and Portfolio Holdings
The filing details specific equity positions held by the company. The total value of the reported holdings is not explicitly summed in the text, but individual position values are listed below:
| Issuer | Class | Shares Held | Value (USD) | Voting Authority |
|---|---|---|---|---|
| Alphabet Inc | Class C | 982,250 | $347,058 | Sole |
| Berkshire Hathaway Inc | Class A | 422 | $316,015 | Sole |
| Berkshire Hathaway Inc | Class B New | 481,920 | $241,148 | Sole |
| Cable One Inc | Common | 182,439 | $9,689 | Sole |
| Markel Group Inc | Common | 63,793 | $124,588 | Sole |
| PubMatic Inc | Class A | 3,398,904 | $44,594 | Sole |
Note: The "Value" column in the source text appears to list the dollar value of the position, while the "Shares" column lists the quantity. The data indicates Graham Holdings Co holds significant positions in Berkshire Hathaway and Alphabet.
Material Changes
The filing text does not provide comparative data from the prior period (March 31, 2026) to determine material changes in share counts or values.
Guidance, Outlook, and Risks
Form 13F filings are statutory disclosures of holdings and do not contain management guidance, forward-looking outlooks, or specific risk factors regarding the company's operations. The filing includes a standard disclaimer that the SEC has not reviewed the information for accuracy or completeness.
Investor Verification Checklist
- Verify the total aggregate value of the portfolio by summing the individual position values provided.
- Confirm the share counts for high-value positions (Alphabet and Berkshire Hathaway) against the company's most recent 10-Q or 10-K for consistency.
- Check for any subsequent filings (e.g., Form 13F-HR amendments) that may have updated these positions.
- Review the company's broader financial statements to understand how these equity investments impact overall liquidity and net income.