JY
TGEN

Jeff Yass’s Tecogen Inc TGEN Stock Holding History

Jeff Yass’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 		$685K Sell
131,300
-163,100
-55% -$817K ﹤0.01% 9161
2026
Q1 		$754K Buy
294,400
+184,600
+168% +$678K ﹤0.01% 8624
2025
Q4 		$542K Buy
109,800
+59,400
+118% +$446K ﹤0.01% 8586
2025
Q3 		$444K Buy
+50,400
New +$404K ﹤0.01% 9231

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
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Jeff Yass's TGEN Position: Q2 2026 in Review

Jeff Yass increased its Tecogen Inc (TGEN) stake by 189% in Q2 2026, buying an estimated $1.03M and bringing the position to 315,831 shares worth $1.65M. The position accounts for ﹤0.01% of the portfolio, ranked #6937.

Jeff Yass first reported a position in TGEN in Q3 2025 and has held it in 4 quarters since. The position peaked at $2.22M in Q3 2025. 69 funds tracked by Wall St. Rank hold TGEN as of Q2 2026.

  • Jeff Yass held 315,831 shares of Tecogen Inc worth $1.65M as of Q2 2026.
  • Jeff Yass bought 206,374 Tecogen Inc shares in Q2 2026, an estimated $1.03M.
  • Tecogen Inc made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #6937 holding.
  • Jeff Yass first reported a position in Tecogen Inc in Q3 2025 and has held it in 4 quarters since.
  • Jeff Yass's Tecogen Inc position peaked at $2.22M in Q3 2025.
  • 69 funds tracked by Wall St. Rank held Tecogen Inc as of Q2 2026.

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