Tecogen Ord Shs
TGEN6.030USD
-0.440-6.80%
Close 12/12, 16:00（ET）Quotes delayed by 15 min
179.81MMarket Cap
LossP/E TTM
More Details of Company
Tecogen Ord Shs Info
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CEO- -
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Company Executives of Tecogen Ord Shs
Name
Name/Position
Position
Shareholding
Change
Mr. John N. Hatsopoulos
Mr. John N. Hatsopoulos
Lead Director
Lead Director
1.02M
+81.26%
Mr. Earl R. Lewis, III
Mr. Earl R. Lewis, III
Independent Director
Independent Director
1.00M
+37.69%
Mr. Robert A. Panora
Mr. Robert A. Panora
President, Chief Operating Officer
President, Chief Operating Officer
62.52K
-10.68%
Ms. Angelina M. Galiteva, J.D.
Ms. Angelina M. Galiteva, J.D.
Independent Chairperson of the Board
Independent Chairperson of the Board
50.00K
--
Mr. Stephen Lafaille
Mr. Stephen Lafaille
Vice President - Business Development
Vice President - Business Development
11.98K
--
Dr. John M. Albertine
Dr. John M. Albertine
Independent Director
Independent Director
--
--
Ms. Susan F. Hirsch
Ms. Susan F. Hirsch
Independent Director
Independent Director
--
--
Mr. Roger P. Deschenes
Mr. Roger P. Deschenes
Chief Financial Officer, Chief Accounting Officer, Treasurer
Chief Financial Officer, Chief Accounting Officer, Treasurer
--
--
Mr. John K. Whiting, IV
Mr. John K. Whiting, IV
General Counsel, Secretary
General Counsel, Secretary
--
--
Dr. Ahmed F. Ghoniem
Dr. Ahmed F. Ghoniem
Independent Director
Independent Director
--
-100.00%
Name
Name/Position
Position
Shareholding
Change
Mr. John N. Hatsopoulos
Mr. John N. Hatsopoulos
Lead Director
Lead Director
1.02M
+81.26%
Mr. Earl R. Lewis, III
Mr. Earl R. Lewis, III
Independent Director
Independent Director
1.00M
+37.69%
Mr. Robert A. Panora
Mr. Robert A. Panora
President, Chief Operating Officer
President, Chief Operating Officer
62.52K
-10.68%
Ms. Angelina M. Galiteva, J.D.
Ms. Angelina M. Galiteva, J.D.
Independent Chairperson of the Board
Independent Chairperson of the Board
50.00K
--
Mr. Stephen Lafaille
Mr. Stephen Lafaille
Vice President - Business Development
Vice President - Business Development
11.98K
--
Dr. John M. Albertine
Dr. John M. Albertine
Independent Director
Independent Director
--
--
Revenue Breakdown
Currency: USDUpdated: Tue, Dec 9
Currency: USDUpdated: Tue, Dec 9
FY2025Q3
FY2025Q2
FY2025Q1
FY2024
FY2024Q4
FY2024Q3
FY2024Q2
FY2024Q1
FY2023
FY2023Q3
FY2023Q2
FY2023Q1
FY2022
FY2021
FY2020
FY2019
By BusinessUSD
Name
Revenue
Proportion
Chiller
2.23M
31.11%
Cogeneration
515.07K
7.17%
Engineered Accessories
234.00K
3.26%
Relevant data have not been disclosed by the company yet.
By Business
By Region
By BusinessUSD
Name
Revenue
Proportion
Chiller
2.23M
31.11%
Cogeneration
515.07K
7.17%
Engineered Accessories
234.00K
3.26%
Shareholding Stats
Updated: Wed, Dec 10
Updated: Wed, Dec 10
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Pacheco (Ann Marie)
12.40%
George N. Hatsopoulos UEO
9.20%
Comeau (Joseph)
7.57%
Hatsopoulos (John N)
3.42%
Lewis (Earl R)
3.35%
Other
64.06%
Shareholders
Shareholders
Proportion
Pacheco (Ann Marie)
12.40%
George N. Hatsopoulos UEO
9.20%
Comeau (Joseph)
7.57%
Hatsopoulos (John N)
3.42%
Lewis (Earl R)
3.35%
Other
64.06%
Shareholder Types
Shareholders
Proportion
Individual Investor
29.94%
Investment Advisor
14.05%
Other Insider Investor
9.20%
Investment Advisor/Hedge Fund
7.75%
Hedge Fund
4.86%
Research Firm
1.81%
Pension Fund
0.46%
Family Office
0.06%
Other
31.87%
Institutional Shareholding
Updated: Tue, Dec 9
Updated: Tue, Dec 9
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2025Q4
79
8.64M
28.93%
+4.22M
2025Q3
78
8.12M
27.20%
+3.70M
2025Q2
30
4.13M
16.15%
+4.12M
2025Q1
2
12.50K
0.05%
-308.58K
2024Q4
1
--
0.00%
-321.08K
2024Q3
1
--
0.00%
-321.08K
2024Q2
1
--
0.00%
-321.08K
2024Q1
2
--
0.00%
-771.08K
2023Q4
3
321.08K
1.29%
-460.40K
2023Q3
3
321.08K
1.29%
-460.40K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Pacheco (Ann Marie)
3.70M
12.4%
--
--
Apr 25, 2025
George N. Hatsopoulos UEO
2.74M
9.2%
+4.32K
+0.16%
Apr 25, 2025
Comeau (Joseph)
2.26M
7.57%
--
--
Apr 25, 2025
Hatsopoulos (John N)
1.02M
3.42%
+457.50K
+81.26%
Apr 25, 2025
Lewis (Earl R)
1.00M
3.35%
+274.01K
+37.69%
May 06, 2025
The Vanguard Group, Inc.
870.44K
2.92%
+44.80K
+5.43%
Sep 30, 2025
Bard Associates Inc.
690.61K
2.31%
+67.03K
+10.75%
Sep 30, 2025
Clear Harbor Asset Management, LLC
611.60K
2.05%
+1.60K
+0.26%
Sep 30, 2025
Portolan Capital Management, L.L.C.
595.81K
2%
+130.24K
+27.97%
Sep 30, 2025
View more
Related ETFs
Name
Proportion
No Data
Dividend
A total of
0.00
USD has been distributed in dividends over the past 5 years.
Date
Dividend
Record Date
Payment Date
Ex-dividend Date
No Data
Stock Split
Date
Type
Ratio
No Data
Date
Type
Ratio
No Data
FAQs
Who are the top five shareholders of Tecogen Ord Shs?
The top five shareholders of Tecogen Ord Shs are:
Pacheco (Ann Marie) holds 3.70M shares, accounting for 12.40% of the total shares.
George N. Hatsopoulos UEO holds 2.74M shares, accounting for 9.20% of the total shares.
Comeau (Joseph) holds 2.26M shares, accounting for 7.57% of the total shares.
Hatsopoulos (John N) holds 1.02M shares, accounting for 3.42% of the total shares.
Lewis (Earl R) holds 1.00M shares, accounting for 3.35% of the total shares.
Pacheco (Ann Marie) holds 3.70M shares, accounting for 12.40% of the total shares.
George N. Hatsopoulos UEO holds 2.74M shares, accounting for 9.20% of the total shares.
Comeau (Joseph) holds 2.26M shares, accounting for 7.57% of the total shares.
Hatsopoulos (John N) holds 1.02M shares, accounting for 3.42% of the total shares.
Lewis (Earl R) holds 1.00M shares, accounting for 3.35% of the total shares.
What are the top three shareholder types of Tecogen Ord Shs?
The top three shareholder types of Tecogen Ord Shs are:
Pacheco (Ann Marie)
George N. Hatsopoulos UEO
Comeau (Joseph)
Pacheco (Ann Marie)
George N. Hatsopoulos UEO
Comeau (Joseph)
How many institutions hold shares of Tecogen Ord Shs (TGEN)?
As of 2025Q4, 79 institutions hold shares of Tecogen Ord Shs, with a combined market value of approximately 8.64M, accounting for 28.93% of the total shares. Compared to 2025Q3, institutional shareholding has increased by 1.74%.
What is the biggest source of revenue for Tecogen Ord Shs?
In FY2025Q3, the Chiller business generated the highest revenue for Tecogen Ord Shs, amounting to 2.23M and accounting for 31.11% of total revenue.
