Douglass Winthrop Advisors, LLC

CIK

1308527

City

NEW YORK

State / Country

Stock

ROP — Roper Technologies Inc

Top Portfolio Positions

256 positions · $4,754,939,650 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
BRK-B	Berkshire Hathaway Inc Financial Services	874,970	$419,285,624	8.82%
MSFT	Microsoft Corp Technology	715,013	$264,676,362	5.57%
AMZN	Amazon Com Inc Consumer Cyclical	1,235,231	$257,261,560	5.41%
MA	Mastercard Inc Financial Services	377,294	$188,518,720	3.96%
COST	Costco Wholesale Corp /New Consumer Defensive	188,814	$188,139,934	3.96%
AAPL	Apple Inc. Technology	722,635	$183,397,536	3.86%
DE	Deere & Co Industrials	321,034	$180,838,452	3.80%
UBER	Uber Technologies, Inc Technology	2,249,740	$161,823,798	3.40%
MKL	Markel Group Inc. Financial Services	80,498	$154,078,798	3.24%
FAST	Fastenal Co Industrials	3,116,146	$144,589,174	3.04%

25 quarters · across all stocks

25 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$72,870,389	205,930	-0.1%	Shares	Sole	2026-05-14
2025-12-31	$91,733,280	206,082	-4.6%	Shares	Sole	2026-02-12
2025-09-30	$107,780,373	216,127	+2.0%	Shares	Sole	2025-11-13
2025-06-30	$120,128,133	211,926	+1.3%	Shares	Sole	2025-08-14
2025-03-31	$123,363,129	209,239	+1.8%	Shares	Sole	2025-05-14
2024-12-31	$106,895,195	205,627	+0.5%	Shares	Sole	2025-02-11
2024-09-30	$113,826,479	204,562	+0.3%	Shares	Sole	2024-11-12
2024-06-30	$114,924,073	203,889	+0.3%	Shares	Sole	2024-08-07
2024-03-31	$114,035,036	203,329	+0.4%	Shares	Sole	2024-05-13
2023-12-31	$110,392,018	202,491	-0.1%	Shares	Sole	2024-02-12
2023-09-30	$98,168,883	202,711	+0.4%	Shares	Sole	2023-11-13
2023-06-30	$97,049,480	201,850	-0.2%	Shares	Sole	2023-08-14
2023-03-31	$89,112,806	202,212	+2.0%	Shares	Sole	2023-05-15
2022-12-31	$85,676,533	198,284	+0.3%	Shares	Sole	2023-02-13
2022-09-30	$71,119,529	197,752	+2.4%	Shares	Sole	2022-11-15
2022-06-30	$76,219,938	193,133	+1.1%	Shares	Sole	2022-08-11
2022-03-31	$90,230,875	191,074	+2.5%	Shares	Sole	2022-05-16
2021-12-31	$91,691,557	186,418	+1.2%	Shares	Sole	2022-02-14
2021-09-30	$82,142,347	184,122	+5.9%	Shares	Sole	2021-11-10
2021-06-30	$81,754,144	173,871	+3.4%	Shares	Sole	2021-08-02
2021-03-31	$67,846,224	168,211	+15.3%	Shares	Sole	2021-05-13
2020-12-31	$62,874,045	145,849	+10.9%	Shares	Sole	2021-01-27
2020-09-30	$51,966,842	131,525	+7.0%	Shares	Sole	2020-11-12
2020-06-30	$47,704,341	122,867	+805.0%	Shares	Sole	2020-07-17
2020-03-31	$4,233,444	13,577	—	Shares	Sole	2020-04-23
No 13F history on record for this holder in this stock.