ACM
TGEN

Arosa Capital Management’s Tecogen Inc TGEN Stock Holding History

Arosa 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
Q2 		$653K Sell
125,000
-225,000
-64% -$1.13M 0.12% 48
2026
Q1 		$896K Hold
350,000
– – 0.14% 57
2025
Q4 		$1.73M Buy
350,000
+62,500
+22% +$469K 0.22% 61
2025
Q3 		$2.53M Buy
+287,500
New +$2.3M 0.56% 27

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

Arosa Capital Management's TGEN Position: Q2 2026 in Review

Arosa Capital Management reduced its Tecogen Inc (TGEN) stake by 64% in Q2 2026, selling an estimated $1.13M and leaving 125,000 shares worth $653K. The position accounts for 0.12% of the portfolio, ranked #48.

Arosa Capital Management first reported a position in TGEN in Q3 2025 and has held it in 4 quarters since. The position peaked at $2.53M in Q3 2025. 69 funds tracked by Wall St. Rank hold TGEN as of Q2 2026.

  • Arosa Capital Management held 125,000 shares of Tecogen Inc worth $653K as of Q2 2026.
  • Arosa Capital Management sold 225,000 Tecogen Inc shares in Q2 2026, an estimated $1.13M.
  • Tecogen Inc made up 0.12% of Arosa Capital Management's portfolio in Q2 2026, its #48 holding.
  • Arosa Capital Management first reported a position in Tecogen Inc in Q3 2025 and has held it in 4 quarters since.
  • Arosa Capital Management's Tecogen Inc position peaked at $2.53M in Q3 2025.
  • 69 funds tracked by Wall St. Rank held Tecogen Inc as of Q2 2026.

Based on Arosa Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.