MCKESSON CORP

Ticker: MCK CUSIP: 58155Q103 Class: COM

Investment Research & Advisory Group, Inc.'s Holding History (CIK: 0001802136)

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

Q1 2021

Shares 495 Value ($000) $97 Avg Close $177.34 Range $164.37 - $193.09

Q4 2020

Shares 948 Value ($000) $165 Avg Close $161.42 Range $136.86 - $181.74

Q3 2020

Shares 948 Value ($000) $141 Avg Close $146.77 Range $134.98 - $154.90

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	495	$97	$177.34	$164.37 - $193.09
Q4 2020	948	$165	$161.42	$136.86 - $181.74
Q3 2020	948	$141	$146.77	$134.98 - $154.90