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Portolan Capital Management, LLC

Position in TGEN — Tecogen Inc.

CIK 1350290 BOSTON, MA

Position in TGEN

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$1,135,500
-$1,066,801 QoQ
Shares Held
443,555
-0.5% QoQ
Ownership
1.48%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in TGEN Over Time

Shares Held

Position Value (USD)

Position in Electrical Equipment & Parts

Industrials · as of Mar 31, 2026

Portolan Capital Management, LLC holds $18,264,096 across 3 Electrical Equipment & Parts names. TGEN ranks #3 (6.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 TGEN
Tecogen Inc.
This page
443,555 $1,135,500

All Filings in TGEN

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-06-03 $10,586,222 1,552,232
2026-03-31 $1,135,500 443,555
2025-12-31 $2,202,301 445,810
2025-09-30 $5,249,050 595,806
2025-06-30 $3,165,882 465,571