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
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

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BA
Bard Associates Chicago, Illinois $398M AUM 54.32% 1-Year Est. Return
CHAM
Clear Harbor Asset Management Stamford, Connecticut $1.45B AUM 23.7% 1-Year Est. Return
HIM
Herald Investment Management London, United Kingdom $737M AUM 158.15% 1-Year Est. Return
ACM
Arosa Capital Management Miami Beach, Florida $660M AUM 210.26% 1-Year Est. Return
PIP
Palisades Investment Partners Santa Monica, California $255M AUM 50.52% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
MIM
Meros Investment Management Dallas, Texas $231M AUM 35.94% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
GJL
Gendell Jeffrey L $7.34B AUM 183.72% 1-Year Est. Return

Portolan Capital Management's TGEN Position: Q1 2026 in Review

Portolan Capital Management reduced its Tecogen Inc (TGEN) stake by 0.51% in Q1 2026, selling an estimated $8.28K and leaving 443,555 shares worth $1.14M. The position accounts for 0.06% of the portfolio, ranked #136.

Portolan Capital Management first reported a position in TGEN in Q2 2025 and has held it in 4 quarters since. The position peaked at $5.25M in Q3 2025. 62 funds tracked by Wall St. Rank hold TGEN as of Q1 2026.

  • Portolan Capital Management held 443,555 shares of Tecogen Inc worth $1.14M as of Q1 2026.
  • Portolan Capital Management sold 2,255 Tecogen Inc shares in Q1 2026, an estimated $8.28K.
  • Tecogen Inc made up 0.06% of Portolan Capital Management's portfolio in Q1 2026, its #136 holding.
  • Portolan Capital Management first reported a position in Tecogen Inc in Q2 2025 and has held it in 4 quarters since.
  • Portolan Capital Management's Tecogen Inc position peaked at $5.25M in Q3 2025.
  • 62 funds tracked by Wall St. Rank held Tecogen Inc as of Q1 2026.

Based on Portolan Capital Management's 13F filing for Q1 2026, filed 15 May 2026.