NEEDHAM INVESTMENT MANAGEMENT LLC

Position in TTI — Tetra Technologies Inc

CIK 1167212 NEW YORK, NY

Position in TTI

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$28,755,000

+$6,501,250 QoQ

Shares Held

3,375,000

+42.1% QoQ

Ownership

2.49%

of shares outstanding

% of Portfolio

1.48%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2025

5 quarters on record

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

Industrials · as of Mar 31, 2026

NEEDHAM INVESTMENT MANAGEMENT LLC holds $38,243,257 across 3 Conglomerates names. TTI ranks #1 (75.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TTI	Tetra Technologies Inc This page	3,375,000	$28,755,000
2	HON	Honeywell International Inc	27,500	$6,518,957
3	MATW	Matthews International Corp	115,000	$2,969,300

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$28,755,000	3,375,000	+42.1%	Shares	Defined	2026-05-15
2025-12-31	$22,253,750	2,375,000	+55.7%	Shares	Defined	2026-02-17
2025-09-30	$8,768,750	1,525,000	+103.3%	Shares	Defined	2025-11-14
2025-06-30	$2,520,000	750,000	+61.3%	Shares	Defined	2025-08-14
2025-03-31	$1,562,400	465,000	—	Shares	Defined	2025-05-15
No filing history on record for this holder in this stock.