BERKSHIRE ASSET MANAGEMENT LLC/PA

Position in TTI — Tetra Technologies Inc

CIK 949012 WILKES BARRE, PA

Position in TTI

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

Position Value

$3,131,100

-$312,375 QoQ

Shares Held

367,500

0.0% QoQ

Ownership

0.271%

of shares outstanding

% of Portfolio

0.15%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 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. TTI ranks #2 (5.7% of the industry book) .

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

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,131,100	367,500	0.0%	Shares	Sole	2026-05-11
2025-12-31	$3,443,475	367,500	0.0%	Shares	Sole	2026-02-17
2025-09-30	$2,113,125	367,500	-11.9%	Shares	Sole	2025-11-07
2025-06-30	$1,401,540	417,125	-0.8%	Shares	Sole	2025-08-13
2025-03-31	$1,413,300	420,625	0.0%	Shares	Sole	2025-05-14
2024-12-31	$1,505,837	420,625	0.0%	Shares	Sole	2025-02-07
2024-09-30	$1,303,937	420,625	0.0%	Shares	Sole	2024-11-14
2024-06-30	$1,455,362	420,625	0.0%	Shares	Sole	2024-08-13
2024-03-31	$1,863,368	420,625	0.0%	Shares	Sole	2024-05-14
2023-12-31	$1,901,225	420,625	0.0%	Shares	Sole	2024-02-09
2023-09-30	$2,683,587	420,625	0.0%	Shares	Sole	2023-11-14
2023-06-30	$1,421,712	420,625	0.0%	Shares	Sole	2023-08-14
2023-03-31	$1,114,656	420,625	0.0%	Shares	Sole	2023-06-06
2022-12-31	$1,455,362	420,625	0.0%	Shares	Sole	2023-02-15
2022-09-30	$1,510,043	420,625	0.0%	Shares	Sole	2022-11-14
2022-06-30	$1,707,737	420,625	-21.5%	Shares	Sole	2022-08-12
2022-03-31	$2,201,418	535,625	0.0%	Shares	Sole	2022-05-16
2021-12-31	$1,521,175	535,625	-15.7%	Shares	Sole	2022-02-14
2021-09-30	$1,983,150	635,625	+2.9%	Shares	Sole	2021-11-15
2021-06-30	$2,679,950	617,500	0.0%	Shares	Sole	2021-08-16
2021-03-31	$1,482,000	617,500	0.0%	Shares	Sole	2021-05-17
2020-12-31	$531,050	617,500	+517.5%	Shares	Sole	2021-02-16
2020-06-30	$53,000	100,000	-64.0%	Shares	Sole	2020-08-12
2020-03-31	$88,800	277,500	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.