Calamos Advisors
TGEN

Calamos Advisors’s Tecogen Inc TGEN Stock Holding History

Calamos Advisors’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
-12,479
Closed -$110K – 1018
2025
Q3 		$110K Buy
+12,479
New +$100K ﹤0.01% 850

Other funds holding TGEN

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
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
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

Calamos Advisors's TGEN Position: Q4 2025 in Review

Calamos Advisors sold out of Tecogen Inc (TGEN) in Q4 2025, closing a stake of 12,479 shares — an estimated $110K sold.

Calamos Advisors first reported a position in TGEN in Q3 2025 and held it in 1 quarter. The position peaked at $110K in Q3 2025. 65 funds tracked by Wall St. Rank hold TGEN as of Q4 2025.

  • Calamos Advisors reported no remaining Tecogen Inc position as of Q4 2025 after selling out during the quarter.
  • Calamos Advisors sold 12,479 Tecogen Inc shares in Q4 2025, an estimated $110K.
  • Calamos Advisors first reported a position in Tecogen Inc in Q3 2025 and held it in 1 quarter.
  • Calamos Advisors's Tecogen Inc position peaked at $110K in Q3 2025.
  • 65 funds tracked by Wall St. Rank held Tecogen Inc as of Q4 2025.

Based on Calamos Advisors's 13F filing for Q4 2025, filed 29 Jan 2026.