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TECOGEN INC. (TGEN)
Portfolio as of:
Most recent
12/31/2022
09/30/2022
06/30/2022
03/31/2022
12/31/2021
09/30/2021
06/30/2021
03/31/2021
12/31/2020
09/30/2020
06/30/2020
03/31/2020
12/31/2019
09/30/2019
06/30/2019
03/31/2019
12/31/2018
09/30/2018
06/30/2018
03/31/2018
12/31/2017
09/30/2017
06/30/2017
03/31/2017
12/31/2016
09/30/2016
06/30/2016
03/31/2016
12/31/2015
09/30/2015
06/30/2015
03/31/2015
12/31/2014
09/30/2014
06/30/2014
Name
Shares
Change
Value
% Port
% OS
Hist
Date
Herald Investment Management Ltd
321,078
0
401,000
0.10
1.29
Hist
12/31/2022
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