PCM
TGEN

Portolan Capital Management’s Tecogen Inc TGEN Stock Holding History

Portolan Capital Management’s Portfolio TGEN Stock Details TGEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$8.1M Buy
1,551,113
+1,107,558
+250% +$5.55M 0.3% 92
2026
Q1 		$1.14M Sell
443,555
-2,255
-0.5% -$8.28K 0.06% 136
2025
Q4 		$2.2M Sell
445,810
-149,996
-25% -$1.13M 0.12% 130
2025
Q3 		$5.25M Buy
595,806
+130,235
+28% +$1.04M 0.28% 91
2025
Q2 		$3.17M Buy
+465,571
New +$2.42M 0.2% 106

Other funds holding TGEN

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BA
Bard Associates Chicago, Illinois $451M AUM 66.6% 1-Year Est. Return
CHAM
Clear Harbor Asset Management Stamford, Connecticut $1.62B AUM 38.77% 1-Year Est. Return
HIM
Herald Investment Management London, United Kingdom $737M AUM 158.15% 1-Year Est. Return
GC
Gratia Capital Los Angeles, California $165M AUM 34.15% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
MIM
Meros Investment Management Dallas, Texas $315M AUM 58.44% 1-Year Est. Return
PIP
Palisades Investment Partners Santa Monica, California $352M AUM 76.79% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Portolan Capital Management's TGEN Position: Q2 2026 in Review

Portolan Capital Management increased its Tecogen Inc (TGEN) stake by 250% in Q2 2026, buying an estimated $5.55M and bringing the position to 1,551,113 shares worth $8.1M. The position accounts for 0.3% of the portfolio, ranked #92.

Portolan Capital Management first reported a position in TGEN in Q2 2025 and has held it in 5 quarters since. 69 funds tracked by Wall St. Rank hold TGEN as of Q2 2026.

  • Portolan Capital Management held 1,551,113 shares of Tecogen Inc worth $8.1M as of Q2 2026.
  • Portolan Capital Management bought 1,107,558 Tecogen Inc shares in Q2 2026, an estimated $5.55M.
  • Tecogen Inc made up 0.3% of Portolan Capital Management's portfolio in Q2 2026, its #92 holding.
  • Portolan Capital Management first reported a position in Tecogen Inc in Q2 2025 and has held it in 5 quarters since.
  • 69 funds tracked by Wall St. Rank held Tecogen Inc as of Q2 2026.

Based on Portolan Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.