GRAHAM HLDGS CO

Ticker: GHC CUSIP: 384637104 Class: Common Stock

Twin Tree Management, LP's Holding History (CIK: 0001535588)

Note: Option positions (PUT/CALL) are excluded.

Q1 2021

Shares 66 Value ($000) $37 Avg Close $552.17 Range $498.05 - $604.52

Q2 2020

Shares 205 Value ($000) $70 Avg Close $331.53 Range $279.71 - $388.10

Q1 2020

Shares 210 Value ($000) $72 Avg Close $476.76 Range $251.81 - $608.34

Q3 2019

Shares 111 Value ($000) $74 Avg Close $662.81 Range $614.24 - $707.42

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	66	$37	$552.17	$498.05 - $604.52
Q2 2020	205	$70	$331.53	$279.71 - $388.10
Q1 2020	210	$72	$476.76	$251.81 - $608.34
Q3 2019	111	$74	$662.81	$614.24 - $707.42