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Portolan Capital Management, LLC

Position in TGEN — Tecogen Inc.

CIK 1350290 BOSTON, MA

Position in TGEN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$8,096,809
+$6,961,309 QoQ
Shares Held
1,551,113
+249.7% QoQ
Ownership
5.14%
of shares outstanding
% of Portfolio
0.31%
of 13F equity value
Holder Rank
#1
of 69 holders
Holding Since
Jun 2025
5 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 Jun 30, 2026

Portolan Capital Management, LLC holds $49,799,702 across 2 Electrical Equipment & Parts names. TGEN ranks #2 (16.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 TGEN
Tecogen Inc.
This page
1,551,113 $8,096,809

All Filings in TGEN

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $8,096,809 1,551,113
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