Graham Holdings Co
Ownership
Ownership Structure
Who owns Graham Holdings Co (GHC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 87.1% of the shares are freely tradable; institutional investors hold 84.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 9.81 | 415,637 | +0.6 | 03/31/2026 |
| Madison Avenue Partners, LP | 5.80 | 245,829 | +0.0 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 5.60 | 236,999 | +0.8 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 4.11 | 173,937 | +0.0 | 03/31/2026 |
| Wallace Capital Management, INC. | 3.66 | 155,071 | -1.3 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.44 | 145,630 | +0.0 | 03/31/2026 |
| State Street Corp | 2.94 | 124,555 | -1.9 | 03/31/2026 |
| First Trust Advisors L.P. | 2.18 | 92,463 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 2.77 | 117,376 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.39 | 101,039 | +0.4 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| O'Shaughnessy Timothy J | President and CEO | 22,878 | 25,941,364 $ | Aug 13, 2026 | direct |
| O'Shaughnessy Laura | 10% Owner | 22,865 | 25,926,624 $ | Aug 13, 2026 | direct |
| Maas, Jacob | Executive VP | 7,156 | 8,114,188 $ | Aug 28, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 28, 2026 | Maas, Jacob | Executive VP | Other | 501 | 1,159.23 | 580,774 |
| Aug 28, 2026 | Maas, Jacob | Executive VP | Other | 1,000 | 0.00 | – |
| Aug 13, 2026 | O'Shaughnessy Timothy J | President and CEO | Other | 4,211 | – | – |
| Aug 13, 2026 | O'Shaughnessy Laura | 10% Owner | Other | 4,211 | – | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.