GAMCO Investors’s Tecogen Inc. TGEN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q2	$286K	Buy	+42,000	New	+$286K	﹤0.01%	942
2020 Q3	–	Sell	-46,430	Closed	-$33K	–	903
2020 Q2	$33K	Hold	46,430	–	–	﹤0.01%	851
2020 Q1	$43K	Hold	46,430	–	–	﹤0.01%	854
2019 Q4	$98K	Hold	46,430	–	–	﹤0.01%	895
2019 Q3	$111K	Hold	46,430	–	–	﹤0.01%	894
2019 Q2	$174K	Hold	46,430	–	–	﹤0.01%	892
2019 Q1	$185K	Hold	46,430	–	–	﹤0.01%	817
2018 Q4	$169K	Hold	46,430	–	–	﹤0.01%	768
2018 Q3	$146K	Hold	46,430	–	–	﹤0.01%	811
2018 Q2	$173K	Hold	46,430	–	–	﹤0.01%	825
2018 Q1	$133K	Hold	46,430	–	–	﹤0.01%	817
2017 Q4	$125K	Sell	46,430 -21,330	-31%	-$57.4K	﹤0.01%	823
2017 Q3	$216K	Hold	67,760	–	–	﹤0.01%	801
2017 Q2	$226K	Buy	67,760 +25,760	+61%	+$85.9K	﹤0.01%	792
2017 Q1	$159K	Sell	42,000 -4,000	-9%	-$15.1K	﹤0.01%	815
2016 Q4	$193K	Hold	46,000	–	–	﹤0.01%	781
2016 Q3	$191K	Sell	46,000 -3,300	-7%	-$13.7K	﹤0.01%	778
2016 Q2	$251K	Sell	49,300 -700	-1%	-$3.56K	﹤0.01%	758
2016 Q1	$196K	Sell	50,000 -10,000	-17%	-$39.2K	﹤0.01%	761
2015 Q4	$210K	Sell	60,000 -4,000	-6%	-$14K	﹤0.01%	765
2015 Q3	$221K	Sell	64,000 -1,000	-2%	-$3.45K	﹤0.01%	777
2015 Q2	$267K	Sell	65,000 -15,000	-19%	-$61.6K	﹤0.01%	764
2015 Q1	$406K	Sell	80,000 -5,000	-6%	-$25.4K	﹤0.01%	727
2014 Q4	$444K	Sell	85,000 -11,047	-12%	-$57.7K	﹤0.01%	739
2014 Q3	$538K	Hold	96,047	–	–	﹤0.01%	727
2014 Q2	$767K	Buy	+96,047	New	+$767K	﹤0.01%	681