Group One Trading
TGEN

Group One Trading’s Tecogen Inc TGEN Stock Holding History

Group One Trading’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 		$466K Buy
89,200
+76,700
+614% +$384K ﹤0.01% 3564
2026
Q1 		$32K Sell
12,500
-10,100
-45% -$37.1K ﹤0.01% 5613
2025
Q4 		$112K Sell
22,600
-36,600
-62% -$275K ﹤0.01% 4913
2025
Q3 		$522K Buy
+59,200
New +$475K ﹤0.01% 3658

Other funds holding TGEN

PCM
Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 1-Year Est. Return
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

Group One Trading's TGEN Position: Q2 2026 in Review

Group One Trading reduced its Tecogen Inc (TGEN) stake by 41% in Q2 2026, selling an estimated $171K and leaving 49,872 shares worth $260K. The position accounts for ﹤0.01% of the portfolio, ranked #4074.

Group One Trading first reported a position in TGEN in Q3 2025 and has held it in 4 quarters since. The position peaked at $299K in Q3 2025. 69 funds tracked by Wall St. Rank hold TGEN as of Q2 2026.

  • Group One Trading held 49,872 shares of Tecogen Inc worth $260K as of Q2 2026.
  • Group One Trading sold 34,050 Tecogen Inc shares in Q2 2026, an estimated $171K.
  • Tecogen Inc made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #4074 holding.
  • Group One Trading first reported a position in Tecogen Inc in Q3 2025 and has held it in 4 quarters since.
  • Group One Trading's Tecogen Inc position peaked at $299K in Q3 2025.
  • 69 funds tracked by Wall St. Rank held Tecogen Inc as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.