Instuitional Investor - Douglass Winthrop Advisors, Llc

13F Holdings

Filing Period:

No.	Security	Ticker	Shares	Value	% Port
1.	Berkshire Hathaway Inc	BRK.A	900,110	$321,033,233	7.17%
2.	Microsoft Corp	MSFT	651,035	$244,815,226	5.46%
3.	Alphabet Inc.	GOOG	1,589,914	$224,066,581	5%
4.	Mastercard Inc	MA	410,905	$175,255,218	3.91%
5.	Costco Wholesale Corp W	COST	253,731	$167,482,857	3.74%