TGEN
TECOGEN INC.
$5.73
+0.35%
$171.4M
No data for this timeframe.
Vol
Market Cap$171.4M
Cap SizeMicro Cap
Inst. Holders26 funds
Inst. Value$8.1M
Inst. Activity4 buys / 1 sells
Insider Activity8B / 0S
Insider Net $$134.0K
SEC Reports6
Exchange NYSE·Sector Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip·Inc. DE·CIK 0001537435·Prev Close $5.71
Recent Activity
May 12, 2026
SEC
Tecogen reported Q1 2026 revenue of $6.34M (down 12.9% YoY) and a net loss of $2.12M (loss of $0.07 per share), signific
8-K — Impact 6/10
May 7, 2026
earnings_calendar
TGEN Q1 2026 Earnings Scheduled — 2026-05-07
Apr 24, 2026
Insider
Ghoniem Ahmed bought 12,723 shares
Director @ $0.7860 ($10.0K)
Apr 24, 2026
Insider
Ghoniem Ahmed acquired via exercise 12,723 shares
Director @ $0.7860 ($10.0K)
Apr 13, 2026
Insider
Hirsch Susan B bought 5,000 shares
Director @ $3.73 ($18.6K)
Apr 8, 2026
SEC
Tecogen Inc. extended its advisory agreement with John N. Hatsopoulos through March 31, 2028. This is a routine extensio
8-K — Impact 2/10
Mar 27, 2026
SEC
Three corporate insiders at TECOGEN INC. purchased shares in the open market over the past week, including a director bu
CLUSTER — Impact 5/10
Inst.
RENAISSANCE TECHNOLOGIES LLC — DOUBLED
272,300 shares ($697.1K)
Price Targets
Historical data — last covering-analyst action Aug 2025. No current recommendation available.
$8.83 (Aug 2025)
Current $5.73
Low $7.50
Median $9.00
High $10.00
3 analysts
$7.50
$10.00
Analyst Ratings
2Strong Buy
6Buy
1Hold
0Sell
0Strong Sell
Historical Analyst Actions
| Date | Firm | Action | Rating |
|---|---|---|---|
| Aug 18, 2025 | Roth Capital | INITIATE | Buy |
| Aug 11, 2023 | HC Wainwright & Co. | REITERATE | Buy → Buy |
| May 12, 2023 | HC Wainwright & Co. | REITERATE | Buy |
| Mar 13, 2020 | HC Wainwright & Co. | MAINTAIN | Buy |
| Aug 15, 2018 | Maxim Group | MAINTAIN | Buy → Buy |
Earnings Estimates
| Period | EPS Est. | Range | Growth | # |
|---|---|---|---|---|
| Current Q | $-0.08 | $-0.08 — $-0.08 | 1 | |
| Next Q | $-0.07 ▼ -40.0% | $-0.07 — $-0.07 | 3% YoY | 1 |
| Current FY | $-0.24 ▲ +4.0% | $-0.24 — $-0.24 | 1 | |
| Next FY | $0.21 | $0.21 — $0.21 | 188% YoY | 1 |
Latest Reports
BEARISH
8-K
6/10
Tecogen reported Q1 2026 revenue of $6.34M (down 12.9% YoY) and a net loss of $2.12M (loss of $0.07 per share), signific
May 12, 2026
NEUTRAL
8-K
2/10
Tecogen Inc. extended its advisory agreement with John N. Hatsopoulos through March 31, 2028. This is a routine extensio
Apr 8, 2026
Top Institutional Holders
| Fund | Value | Move |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | $2.0M | — |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $753.7K | — |
| RENAISSANCE TECHNOLOGIES LLC | $697.1K | DOUBLED |
| CITADEL ADVISORS LLC | $594.9K | — |
| MARSHALL WACE, LLP | $531.1K | TRIM |
Recent Insider Trades
| Date | Insider | Type | Value |
|---|---|---|---|
| Apr 24, 2026 | Ghoniem Ahmed | BUY | $10.0K |
| Apr 24, 2026 | Ghoniem Ahmed | M | $10.0K |
| Apr 13, 2026 | Hirsch Susan | BUY | $18.6K |
| Mar 27, 2026 | Lewis Earl | BUY | $12.6K |
| Mar 27, 2026 | Hirsch Susan | BUY | $25.4K |
26 institutional holders with $8.1M total value (3,194,483 shares) as of 2026-Q1. Top holders: VANGUARD, SUSQUEHANNA, RENAISSANCE. Net buying activity: 4 institutions added/increased vs 1 reduced.
Top Institutional Holders — 2026-Q1
| # | Fund | Shares | Value | % of Tracked | Last Move |
|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 769,964 | $2.0M | 24.2% | — |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 294,400 | $753.7K | 9.3% | — |
| 3 | RENAISSANCE TECHNOLOGIES LLC | 272,300 | $697.1K | 8.6% | DOUBLED +401.5% |
| 4 | CITADEL ADVISORS LLC | 232,400 | $594.9K | 7.3% | — |
| 5 | MARSHALL WACE, LLP | 207,467 | $531.1K | 6.5% | TRIM -27.5% |
| 6 | RAYMOND JAMES FINANCIAL INC | 185,794 | $475.6K | 5.8% | — |
| 7 | BlackRock, Inc. | 184,779 | $473.0K | 5.8% | — |
| 8 | CITADEL ADVISORS LLC | 147,472 | $377.5K | 4.6% | — |
| 9 | HighTower Advisors, LLC | 132,665 | $339.6K | 4.2% | — |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 109,457 | $280.2K | 3.4% | — |
| 11 | VANGUARD FIDUCIARY TRUST CO | 96,442 | $246.9K | 3.0% | — |
| 12 | GROUP ONE TRADING LLC | 83,922 | $214.8K | 2.6% | ADD +48.3% |
| 13 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 77,300 | $197.9K | 2.4% | — |
| 14 | MORGAN STANLEY | 76,736 | $196.4K | 2.4% | DOUBLED +212.6% |
| 15 | STATE STREET CORP | 69,226 | $177.2K | 2.2% | ADD +68.4% |
| 16 | TWO SIGMA INVESTMENTS, LP | 67,418 | $172.6K | 2.1% | — |
| 17 | CITADEL ADVISORS LLC | 50,200 | $128.5K | 1.6% | — |
| 18 | GAMCO INVESTORS, INC. ET AL | 40,000 | $102.4K | 1.3% | — |
| 19 | GOLDMAN SACHS GROUP INC | 25,106 | $64.3K | 0.8% | — |
| 20 | GABELLI FUNDS LLC | 20,000 | $51.2K | 0.6% | — |
Recent Position Changes
| Fund | Action | Prev Shares | Curr Shares | Change % | Value | Quarter |
|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | DOUBLED | 54,300 | 272,300 | +401.5% | $697.1K | 2026-Q1 |
| MARSHALL WACE, LLP | TRIM | 286,325 | 207,467 | -27.5% | $531.1K | 2026-Q1 |
| GROUP ONE TRADING LLC | ADD | 56,578 | 83,922 | +48.3% | $214.8K | 2026-Q1 |
| COMMONWEALTH EQUITY SERVICES, LLC | ADD | 11,774 | 16,124 | +36.9% | $41.3K | 2026-Q1 |
| NATIONAL BANK OF CANADA /FI/ | DOUBLED | 230 | 500 | +117.4% | $1.3K | 2026-Q1 |
| MARSHALL WACE, LLP | DOUBLED | 49,089 | 286,325 | +483.3% | $1.4M | 2025-Q4 |
| MORGAN STANLEY | DOUBLED | 22,385 | 69,978 | +212.6% | $345.7K | 2025-Q4 |
| GROUP ONE TRADING LLC | ADD | 33,952 | 56,578 | +66.6% | $279.5K | 2025-Q4 |
| RENAISSANCE TECHNOLOGIES LLC | TRIM | 102,200 | 54,300 | -46.9% | $268.2K | 2025-Q4 |
| BANK OF AMERICA CORP /DE/ | DOUBLED | 4,836 | 10,784 | +123.0% | $53.3K | 2025-Q4 |
| STATE STREET CORP | ADD | 41,400 | 69,726 | +68.4% | $614.3K | 2025-Q3 |
| MORGAN STANLEY | DOUBLED | 600 | 22,385 | +3630.8% | $197.2K | 2025-Q3 |
| UBS Group AG | DOUBLED | 3 | 9,588 | +319500.0% | $84.5K | 2025-Q3 |
| BANK OF AMERICA CORP /DE/ | DOUBLED | 116 | 4,836 | +4069.0% | $42.6K | 2025-Q3 |
7 unique insiders with 10 transactions. Net insider value: $134.0K ($134.0K bought, $0.00 sold).
Insider Transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Apr 24, 2026 | Ghoniem Ahmed | Director | BUY | 12,723 | $0.7860 | $10.0K |
| Apr 24, 2026 | Ghoniem Ahmed | Director | EXERCISE | 12,723 | $0.7860 | $10.0K |
| Apr 13, 2026 | Hirsch Susan B | Director | BUY | 5,000 | $3.73 | $18.6K |
| Mar 27, 2026 | Lewis Earl | Director | BUY | 5,000 | $2.52 | $12.6K |
| Mar 27, 2026 | Hirsch Susan B | Director | BUY | 10,000 | $2.54 | $25.4K |
| Mar 26, 2026 | Lewis Earl | Director | BUY | 5,000 | $2.88 | $14.4K |
| Mar 23, 2026 | Whiting John Kimball IV | General Counsel & Secretary | BUY | 10,000 | $2.38 | $23.8K |
| Mar 20, 2026 | Rangesh Abinand | Chief Executive Officer | BUY | 3,000 | $2.30 | $6.9K |
| Mar 20, 2026 | Hatsopoulos John | Director | EXERCISE | 50,000 | $0.8800 | $44.0K |
| Mar 20, 2026 | Deschenes Roger P. | CAO | BUY | 10,000 | $2.23 | $22.3K |
6 SEC filing reports analyzed. Sentiment: 2 bullish, 2 bearish, 0 mixed, 2 neutral. Avg impact: 4.7/10.
BEARISH
8-K
6/10
Tecogen reported Q1 2026 revenue of $6.34M (down 12.9% YoY) and a net loss of $2.12M (loss of $0.07
May 12, 2026
NEUTRAL
8-K
2/10
Tecogen Inc. extended its advisory agreement with John N. Hatsopoulos through March 31, 2028. This i
Apr 8, 2026
BULLISH
CLUSTER
5/10
Three corporate insiders at TECOGEN INC. purchased shares in the open market over the past week, inc
Mar 27, 2026
NEUTRAL
CLUSTER
3/10
Two TECOGEN insiders purchased shares in the past week, totaling $38,208.5 in open-market buys, with
Mar 27, 2026
BULLISH
CLUSTER
5/10
Two TECOGEN executives, including the CEO and CAO, made open-market purchases totaling $29,194, whil
Mar 23, 2026
BEARISH
8-K
7/10
Tecogen reported a 20% year-over-year revenue increase to $27.07 million for 2025, driven by a 105.5
Mar 18, 2026
No press releases analyzed yet. Press releases are collected from GlobeNewsWire and analyzed by the LLM pipeline.
Historical analyst distribution (last covering-analyst action Aug 2025): 89% buy across 9 analysts — 2 strong buy, 6 buy, 1 hold, 0 sell, 0 strong sell. No current recommendation available.
Analyst Price Targets
Historical data — last covering-analyst action Aug 2025. No current recommendation available.
$8.83 mean target (Aug 2025)
$7.50 Low
$10.00 High
| Metric | Value |
|---|---|
| Current Price | $5.73 |
| Target Low | $7.50 |
| Target Mean | $8.83 |
| Target Median | $9.00 |
| Target High | $10.00 |
| # Analysts | 3 |
| Recommendation | — (no recent coverage) |
Earnings Estimates & Revisions
| Period | EPS Avg | EPS Low | EPS High | EPS Growth | 30d Rev. | Up/Down | Rev. Avg | Rev. Growth | Analysts |
|---|---|---|---|---|---|---|---|---|---|
| Current Q 2026-06-30 |
$-0.08 | $-0.08 | $-0.08 | — | +0.0% | 0↑ 1↓ | $0.0B | — | 1 |
| Next Q 2026-09-30 |
$-0.07 | $-0.07 | $-0.07 | 2.8% | -40.0% | 0↑ 1↓ | $0.0B | -7.2% | 1 |
| Current FY 2026-12-31 |
$-0.24 | $-0.24 | $-0.24 | — | +4.0% | 0↑ 1↓ | $0.0B | 2.8% | 1 |
| Next FY 2027-12-31 |
$0.21 | $0.21 | $0.21 | 187.5% | +0.0% | 0↑ 1↓ | $0.1B | 122.8% | 1 |
Current Quarter EPS Revision History
| Timepoint | EPS Estimate | Change |
|---|---|---|
| Current | $-0.080 | |
| 7d ago | $-0.080 | |
| 30d ago | $-0.080 | |
| 60d ago | $-0.060 | -0.020 |
| 90d ago | $-0.060 | -0.020 |
4 analyst firms have rated this stock: 0 upgrades, 0 downgrades, 2 initiations.
Historical Analyst Actions
| Date | Analyst Firm | Action | Previous Rating | New Rating |
|---|---|---|---|---|
| Aug 18, 2025 | Roth Capital | INITIATE | — | Buy |
| Aug 11, 2023 | HC Wainwright & Co. | REITERATE | Buy | Buy |
| May 12, 2023 | HC Wainwright & Co. | REITERATE | — | Buy |
| Mar 13, 2020 | HC Wainwright & Co. | MAINTAIN | — | Buy |
| Aug 15, 2018 | Maxim Group | MAINTAIN | Buy | Buy |
| Oct 4, 2016 | Rodman & Renshaw | INITIATE | — | Buy |
Monthly Consensus History
| Period | Strong Buy | Buy | Hold | Sell | Strong Sell | Buy % | Distribution |
|---|---|---|---|---|---|---|---|
| Jun 1, 2026 | 2 | 6 | 1 | 0 | 0 | 89% | |
| May 1, 2026 | 2 | 6 | 1 | 0 | 0 | 89% | |
| Apr 1, 2026 | 2 | 4 | 1 | 0 | 0 | 86% | |
| Mar 1, 2026 | 2 | 4 | 1 | 0 | 0 | 86% | |
| Feb 1, 2026 | 2 | 4 | 1 | 0 | 0 | 86% | |
| Jan 1, 2026 | 2 | 4 | 1 | 0 | 0 | 86% |
Strong BuyBuyHoldSellStrong Sell
No congressional trading data available for this ticker. Data is sourced from Senate and House financial disclosure filings.
No Reddit sentiment data available yet. Sentiment is analyzed from Reddit investment communities on a rolling basis.
May 7, 2026
earnings_calendar
TGEN Q1 2026 Earnings Scheduled — 2026-05-07
Mar 18, 2026
earnings_calendar
TGEN Q4 2025 Earnings After Market Close — 2026-03-18