WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

CIK

1644956

City

CHICAGO

State / Country

Stock

BCO — Brinks Co

Top Portfolio Positions

404 positions · $30,195,876,293 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
TSM	Taiwan Semiconductor Manufacturing Co Ltd Technology	5,518,260	$1,864,895,967	6.18%
NVDA	Nvidia Corp Technology	8,941,756	$1,559,442,246	5.16%
AAPL	Apple Inc. Technology	4,812,433	$1,221,347,371	4.04%
MSFT	Microsoft Corp Technology	2,896,782	$1,072,301,792	3.55%
GOOGL	Alphabet Inc. Communication Services	2,504,605	$720,224,213	2.39%
AVGO	Broadcom Inc. Technology	2,201,558	$681,404,216	2.26%
AMZN	Amazon Com Inc Consumer Cyclical	3,163,629	$658,889,011	2.18%
META	Meta Platforms, Inc. Communication Services	1,013,122	$579,637,489	1.92%
MA	Mastercard Inc Financial Services	1,060,651	$529,964,878	1.76%
AZN	Astrazeneca PLC Healthcare	1,942,155	$383,031,809	1.27%

26 quarters · across all stocks

Compact Export CSV

25 of 25 shown

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$34,538,531	333,287	-78.4%	Shares	Sole	2026-05-08
2025-12-31	$180,305,943	1,544,641	-12.7%	Shares	Sole	2026-02-09
2025-09-30	$206,826,657	1,769,867	-9.8%	Shares	Sole	2025-11-12
2025-06-30	$175,274,573	1,962,981	-11.6%	Shares	Sole	2025-07-29
2025-03-31	$191,238,840	2,219,578	-4.5%	Shares	Sole	2025-05-09
2024-12-31	$215,566,680	2,323,668	-15.7%	Shares	Sole	2025-02-10
2024-09-30	$318,711,356	2,756,065	-0.5%	Shares	Sole	2024-11-08
2024-06-30	$283,690,496	2,770,415	-4.0%	Shares	Sole	2024-08-08
2024-03-31	$266,605,169	2,885,962	-8.6%	Shares	Sole	2024-05-08
2023-12-31	$277,564,043	3,155,930	-8.2%	Shares	Sole	2024-02-09
2023-09-30	$249,845,497	3,439,503	-5.2%	Shares	Sole	2023-11-09
2023-06-30	$246,109,149	3,628,323	-15.4%	Shares	Sole	2023-08-11
2023-03-31	$286,655,366	4,291,248	-2.0%	Shares	Sole	2023-05-12
2022-12-31	$235,277,944	4,380,524	-3.6%	Shares	Sole	2023-02-09
2022-09-30	$220,218,848	4,546,219	+2.3%	Shares	Sole	2022-11-09
2022-06-30	$269,912,592	4,445,933	-2.7%	Shares	Sole	2022-08-10
2022-03-31	$310,726,952	4,569,514	-10.0%	Shares	Sole	2022-05-11
2021-12-31	$332,821,255	5,075,816	-1.2%	Shares	Sole	2022-02-14
2021-09-30	$325,094,114	5,135,768	-2.2%	Shares	Sole	2021-11-10
2021-06-30	$403,658,731	5,253,237	-1.5%	Shares	Sole	2021-08-12
2021-03-31	$422,497,064	5,332,539	+1.6%	Shares	Sole	2021-05-13
2020-12-31	$377,907,840	5,248,720	+8.5%	Shares	Sole	2021-02-09
2020-09-30	$198,818,279	4,838,605	+23.1%	Shares	Sole	2020-11-06
2020-06-30	$178,953,193	3,932,173	+1.1%	Shares	Sole	2020-08-12
2020-03-31	$202,361,707	3,887,833	—	Shares	Sole	2020-05-08
No quarters match your search.