Perma-Pipe International Holdings, Inc.

ESSEX INVESTMENT MANAGEMENT CO LLC PPIH

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

9,526

Value ($000)

289

Weight

0.0%

2025 Q2 - 2025 Q4 (3 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/13/2026	289	0.0%	9,526	12/31/2025
2025 Q3	11/6/2025	223	0.0%	9,526	9/30/2025
2025 Q2	8/12/2025	296	0.1%	12,942	6/30/2025