Russell Investments Group
TGEN

Russell Investments Group’s Tecogen Inc TGEN Stock Holding History

Russell Investments Group’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
2025
Q4 		– Sell
-94,696
Closed -$834K – 4285
2025
Q3 		$834K Buy
+94,696
New +$759K ﹤0.01% 2274

Other funds holding TGEN

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BA
Bard Associates Chicago, Illinois $451M AUM 66.6% 1-Year Est. Return
CHAM
Clear Harbor Asset Management Stamford, Connecticut $1.45B AUM 23.7% 1-Year Est. Return
PCM
Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return
HIM
Herald Investment Management London, United Kingdom $737M AUM 158.15% 1-Year Est. Return
PIP
Palisades Investment Partners Santa Monica, California $352M AUM 76.79% 1-Year Est. Return
ACM
Arosa Capital Management Miami Beach, Florida $660M AUM 210.26% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
GJL
Gendell Jeffrey L $7.34B AUM 183.72% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Russell Investments Group's TGEN Position: Q4 2025 in Review

Russell Investments Group sold out of Tecogen Inc (TGEN) in Q4 2025, closing a stake of 94,696 shares — an estimated $834K sold.

Russell Investments Group first reported a position in TGEN in Q3 2025 and held it in 1 quarter. The position peaked at $834K in Q3 2025. 65 funds tracked by Wall St. Rank hold TGEN as of Q4 2025.

  • Russell Investments Group reported no remaining Tecogen Inc position as of Q4 2025 after selling out during the quarter.
  • Russell Investments Group sold 94,696 Tecogen Inc shares in Q4 2025, an estimated $834K.
  • Russell Investments Group first reported a position in Tecogen Inc in Q3 2025 and held it in 1 quarter.
  • Russell Investments Group's Tecogen Inc position peaked at $834K in Q3 2025.
  • 65 funds tracked by Wall St. Rank held Tecogen Inc as of Q4 2025.

Based on Russell Investments Group's 13F filing for Q4 2025, filed 17 Feb 2026.