BERKSHIRE ASSET MANAGEMENT LLC/PA

Position in MMM — 3M Co

CIK 949012 WILKES BARRE, PA

Position in MMM

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$406,208

-$73,931 QoQ

Shares Held

2,797

-6.7% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

23 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Industrials · as of Mar 31, 2026

BERKSHIRE ASSET MANAGEMENT LLC/PA holds $54,751,897 across 3 Conglomerates names. MMM ranks #3 (0.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HON	Honeywell International Inc	216,047	$51,214,589
2	TTI	Tetra Technologies Inc	367,500	$3,131,100
3	MMM	3M Co This page	2,797	$406,208

23 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$406,208	2,797	-6.7%	Shares	Sole	2026-05-11
2025-12-31	$480,139	2,999	-2.4%	Shares	Sole	2026-02-17
2025-09-30	$476,712	3,072	+8.3%	Shares	Sole	2025-11-07
2025-06-30	$431,904	2,837	0.0%	Shares	Sole	2025-08-13
2025-03-31	$416,641	2,837	+7.5%	Shares	Sole	2025-05-14
2024-12-31	$340,797	2,640	-0.0%	Shares	Sole	2025-02-07
2024-09-30	$361,024	2,641	0.0%	Shares	Sole	2024-11-14
2024-06-30	$269,883	2,641	-10.2%	Shares	Sole	2024-08-13
2024-03-31	$260,829	2,941	-0.4%	Shares	Sole	2024-05-14
2023-12-31	$269,918	2,953	-9.0%	Shares	Sole	2024-02-09
2023-09-30	$254,089	3,246	-0.6%	Shares	Sole	2023-11-14
2023-06-30	$273,155	3,264	-7.5%	Shares	Sole	2023-08-14
2023-03-31	$310,056	3,528	-53.0%	Shares	Sole	2023-06-06
2022-09-30	$693,211	7,503	-0.9%	Shares	Sole	2022-11-14
2022-06-30	$819,199	7,571	-7.4%	Shares	Sole	2022-08-12
2021-12-31	$1,214,448	8,177	-7.8%	Shares	Sole	2022-02-14
2021-09-30	$1,300,542	8,867	+2.9%	Shares	Sole	2021-11-15
2021-06-30	$1,430,933	8,616	+82.1%	Shares	Sole	2021-08-16
2021-03-31	$762,181	4,731	-48.8%	Shares	Sole	2021-05-17
2020-12-31	$1,350,676	9,242	+10.5%	Shares	Sole	2021-02-16
2020-09-30	$1,119,920	8,362	-4.9%	Shares	Sole	2020-11-16
2020-06-30	$1,146,839	8,793	-11.0%	Shares	Sole	2020-08-12
2020-03-31	$1,128,033	9,883	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.