GRAHAM HOLDINGS CO-CLASS B (GHC) Stock Institutional Trading Activity
GRAHAM HOLDINGS CO-CLASS B (GHC) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Longleaf Partners, Sequoia Financial Advisors, Gardner Russo & Quinn, and Greenlight Capital. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- GRAHAM HOLDINGS CO-CLASS B (GHC) stock institutional ownership
- GRAHAM HOLDINGS CO-CLASS B (GHC) stock insider trading activity
- Stock rankings
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q2 2014 | Renaissance Technologies LLC | Buy | 8,300 | 26,400 | $18,958 |
| Q2 2014 | Berkshire Hathaway | Sell | -1,620,190 | 107,575 | $77,251 |
| Q2 2014 | Gardner Russo & Quinn | Sell | -4,785 | 68,283 | $49,034 |
| Q2 2014 | Ariel Appreciation Fund | Sell | -3,520 | 54,542 | $39,167 |
| Q2 2014 | Longleaf Partners | Buy | 64,362 | 601,372 | $431,851 |
| Q1 2014 | Renaissance Technologies LLC | Buy | 15,000 | 18,100 | $12,738 |
| Q1 2014 | Gardner Russo & Quinn | Sell | -2,777 | 73,068 | $51,422 |
| Q1 2014 | Ariel Appreciation Fund | Sell | -21,668 | 58,062 | $40,861 |
| Q1 2014 | Longleaf Partners | Sell | -6,200 | 537,010 | $377,921 |
| Q4 2013 | Renaissance Technologies LLC | Buy | 3,100 | 3,100 | $2,056 |
| Q4 2013 | Berkshire Hathaway | Buy | 1,727,765 | 1,727,765 | $1,146,062 |
| Q4 2013 | Gardner Russo & Quinn | Buy | 75,845 | 75,845 | $50,310 |
| Q4 2013 | Ariel Appreciation Fund | Buy | 79,730 | 79,730 | $52,887 |
| Q4 2013 | Longleaf Partners | Buy | 543,210 | 543,210 | $360,322 |
Frequently asked questions about GHC activity
Which institutional owners are buying GHC?
Institutional owners buying GHC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in GHC activity?
"Buy" means an investor increased their reported position in GHC compared to the prior reporting period. This reflects growing exposure to GRAHAM HOLDINGS CO-CLASS B (GHC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in GHC increasing?
Institutional interest in GHC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.