Security key
87876P201
TECOGEN INC. - Common Stock, $0.001 par value (TGEN)
CUSIP: 87876P201
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / Common Stock, $0.001 par value
- Total 13F shares
- 12,500
- Total 13F value
- $28,000
- Share change
- +12,500
- SEC-reported price per share
- $2.24
- Number of holders
- 1
- Value change
- +$28,000
- Number of buys
- 1
- Shares outstanding
- 25,572,222
Holder snapshot
5 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2025
Institutions
1
Top holders
1
TGEN full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2025
Previous quarter: Q1 2024
TECOGEN INC. SEC filings
TECOGEN INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 87876P201
Recent filing periods:
Ownership snapshot
Top reported holders of TGEN - TECOGEN INC. - Common Stock, $0.001 par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Ann Marie Brown Pacheco
Disclosed value leader
Ann Marie Brown Pacheco
Comparable rows
0/4
Latest evidence
13 Jun 2023
3/4/5
Highest disclosed value: $2,886,674
4 rows are not safely comparable across share classes.
Quick read
Ann Marie Brown Pacheco has the largest disclosed position value at $2.89M.
0 of 4 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Ann Marie Brown Pacheco's linked filing trail.
Disclosed position value
Top 4
Ann Marie Brown Pacheco
$2.89M
Fred Holubow
$154K
Ralph Jenkins
$132K
Benjamin M. Locke
$4.6K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-4 of 4 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Ann Marie Brown Pacheco |
3/4/5
Trustee, 10%+ Owner
|
—
class O/S missing
|
$2,886,674
3,700,864 shares
|
— | 04 May 2022 |
| Fred Holubow |
3/4/5
Director
|
—
class O/S missing
|
$154,000
175,000 shares
|
— | 13 Jun 2023 |
| Ralph Jenkins |
3/4/5
Director
|
—
class O/S missing
|
$132,000
150,000 shares
|
— | 23 Jun 2022 |
| Benjamin M. Locke |
3/4/5
CEO, Director
|
—
class O/S missing
|
$4,616
5,918 shares
|
— | 16 Mar 2022 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1
Shares
12,500
Rows available
1
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2025 vs Q1 2024 Across Filers
Q1 2024 holders
0
Q1 2025 holders
1
Holder diff
1
| Investor | Q1 2024 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q1 2024 value | Q1 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend