WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in BCO — Brinks Co

CIK 1644956 CHICAGO, IL

Back to BCO Full portfolio

Position in BCO

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$34,538,531

-$145,767,412 QoQ

Shares Held

333,287

-78.4% QoQ

Ownership

0.809%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 75.74582867018516.ToString("F0")% Shared 0.ToString("F0")% None 24.254171329814845.ToString("F0")%

Common Shares in BCO Over Time

Shares Held

Position Value (USD)

Position in Security & Protection Services

Industrials · as of Mar 31, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $55,657,126 across 3 Security & Protection Services names. BCO ranks #1 (62.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BCO	Brinks Co This page	333,287	$34,538,531
2	BRC	Brady Corp	254,182	$20,649,745
3	ALLE	Allegion plc	3,227	$468,850

All Filings in BCO

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25 filing rows on record

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 filing history on record for this holder in this stock.