GRAHAM HLDGS CO

Ticker: GHC CUSIP: 384637104 Class: Common Stock

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's Holding History (CIK: 0001535845)

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

Q4 2025

Shares 2,817 Value ($000) $3,095 Avg Close $1066.70 Range $926.52 - $1178.82

Q3 2025

Shares 2,700 Value ($000) $3,179 Avg Close $1030.17 Range $879.14 - $1195.82

Q2 2021

Shares 124 Value ($000) $79 Avg Close $615.67 Range $541.50 - $654.71

Q1 2020

Shares 3,000 Value ($000) $1,024 Avg Close $476.76 Range $251.81 - $608.34

Q4 2019

Shares 4,500 Value ($000) $2,875 Avg Close $599.25 Range $575.16 - $625.62

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,817	$3,095	$1066.70	$926.52 - $1178.82
Q3 2025	2,700	$3,179	$1030.17	$879.14 - $1195.82
Q2 2021	124	$79	$615.67	$541.50 - $654.71
Q1 2020	3,000	$1,024	$476.76	$251.81 - $608.34
Q4 2019	4,500	$2,875	$599.25	$575.16 - $625.62