# Fuelcell Energy Inc: overview

FCEL · Nasdaq · CIK 886128 · [Technology](/sectors/technology.md) · fiscal year ends Oct 31

Pages: [Overview](/companies/fcel.md) · [Financials](/companies/fcel/financials.md) · [Filings](/companies/fcel/filings.md) · [Insiders](/companies/fcel/insiders.md)

Latest reported revenue: [$33.0m](/filings/0001104659-26-104501.md) for Q3 FY2026, three months to 2026-07-31, from the 10-Q filed Sep 2, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001104659-26-104501).

## Last eight quarters

| Line item | Unit | Q4 FY2024 (2024-10-31) | Q1 FY2025 (2025-01-31) | Q2 FY2025 (2025-04-30) | Q3 FY2025 (2025-07-31) | Q4 FY2025 (2025-10-31) | Q1 FY2026 (2026-01-31) | Q2 FY2026 (2026-04-30) | Q3 FY2026 (2026-07-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [49.3 d](/filings/0001104659-25-122302.md) | [19.0](/filings/0001104659-26-024970.md) | [37.4](/filings/0001104659-26-071183.md) | [46.7](/filings/0001104659-26-104501.md) | [55.0 d](/filings/0001104659-25-122302.md) | [30.5](/filings/0001104659-26-024970.md) | [35.6](/filings/0001104659-26-071183.md) | [33.0](/filings/0001104659-26-104501.md) |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | [(83.2%) d](/filings/0001104659-25-122302.md) | [(172.9%)](/filings/0001104659-26-024970.md) | [(95.7%)](/filings/0001104659-26-071183.md) | [(204.0%)](/filings/0001104659-26-104501.md) | [(51.5%) d](/filings/0001104659-25-122302.md) | [(86.1%)](/filings/0001104659-26-024970.md) | [(218.9%)](/filings/0001104659-26-071183.md) | [(141.4%)](/filings/0001104659-26-104501.md) |
| Net margin | % | [(84.0%) d](/filings/0001104659-25-122302.md) | [(149.1%)](/filings/0001104659-26-024970.md) | [(101.7%)](/filings/0001104659-26-071183.md) | [(196.1%)](/filings/0001104659-26-104501.md) | [(54.3%) d](/filings/0001104659-25-122302.md) | [(74.9%)](/filings/0001104659-26-024970.md) | [(218.9%)](/filings/0001104659-26-071183.md) | [(134.7%)](/filings/0001104659-26-104501.md) |
| Diluted EPS | $ per share | not reported | [(1.42)](/filings/0001104659-26-024970.md) | [(1.79)](/filings/0001104659-26-071183.md) | [(3.78)](/filings/0001104659-26-104501.md) | not reported | [(0.49)](/filings/0001104659-26-024970.md) | [(1.45)](/filings/0001104659-26-071183.md) | [(0.64)](/filings/0001104659-26-104501.md) |
| Free cash flow | $m | [(4.7) d](/filings/0001104659-25-122302.md) | [(52.8)](/filings/0001104659-26-024970.md) | [(35.2) d](/filings/0001104659-26-071183.md) | [(32.1) d](/filings/0001104659-26-104501.md) | [(23.9) d](/filings/0001104659-25-122302.md) | [(34.7)](/filings/0001104659-26-024970.md) | [(29.0) d](/filings/0001104659-26-071183.md) | [(13.5) d](/filings/0001104659-26-104501.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquireProductiveAssets. Derived values: 12-month figure less the 9-month figure; 6-month figure less the 3-month figure; 9-month figure less the 6-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-10-31) | FY2022 (2022-10-31) | FY2023 (2023-10-31) | FY2024 (2024-10-31) | FY2025 (2025-10-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [69.6](/filings/0001558370-23-019892.md) | [130](/filings/0001558370-24-016497.md) | [123](/filings/0001104659-25-122302.md) | [112](/filings/0001104659-25-122302.md) | [158](/filings/0001104659-25-122302.md) |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | [(93.3%)](/filings/0001558370-23-019892.md) | [(110.1%)](/filings/0001558370-24-016497.md) | [(110.3%)](/filings/0001104659-25-122302.md) | [(141.3%)](/filings/0001104659-25-122302.md) | [(121.6%)](/filings/0001104659-25-122302.md) |
| Net margin | % | [(145.2%)](/filings/0001558370-23-019892.md) | [(109.4%)](/filings/0001558370-24-016497.md) | [(87.2%)](/filings/0001104659-25-122302.md) | [(112.4%)](/filings/0001104659-25-122302.md) | [(118.8%)](/filings/0001104659-25-122302.md) |
| Diluted EPS | $ per share | [(0.31)](/filings/0001558370-23-019892.md) | [(11.43)](/filings/0001558370-24-016497.md) | [(7.92)](/filings/0001104659-25-122302.md) | [(7.83)](/filings/0001104659-25-122302.md) | [(7.42)](/filings/0001104659-25-122302.md) |
| Free cash flow | $m | [(76.8)](/filings/0001558370-23-019892.md) | [(133)](/filings/0001558370-24-016497.md) | [(180)](/filings/0001104659-25-122302.md) | [(201)](/filings/0001104659-25-122302.md) | [(144)](/filings/0001104659-25-122302.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquireProductiveAssets.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/fcel/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $155.3m | 4,311,575 |  | Added +3,275,840 |
| [Legal & General Group Plc](/funds/764068.md) | 2026-06-30 | $87.1m | 2,419,645 |  | Reduced −446,101 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $84.0m | 2,332,924 |  | Added +151,160 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $77.2m | 2,143,908 |  | Added +1,910,356 |
| [TWO SIGMA INVESTMENTS, LP](/funds/1179392.md) | 2026-06-30 | $74.2m | 2,061,353 |  | Added +780,137 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](/funds/1446194.md) | 2026-06-30 | $65.7m | 1,824,300 | Call | Added +1,548,700 |
| [JANE STREET GROUP, LLC](/funds/1595888.md) | 2026-06-30 | $58.4m | 1,622,008 | Call | Added +1,418,660 |
| [CITADEL ADVISORS LLC](/funds/1423053.md) | 2026-06-30 | $51.0m | 1,416,466 | Call | Added +348,227 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $50.7m | 1,408,580 |  | Added +826,884 |
| [Encompass Capital Advisors LLC](/funds/1541901.md) | 2026-06-30 | $49.2m | 1,365,900 |  | New +1,365,900 |

## Recent filings

[All 1,247 filings](/companies/fcel/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-28 | 07:35 ET | [8-K](/filings/0001104659-26-119362.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-119362 |
| 2026-10-07 | 08:11 ET | [8-K](/filings/0001104659-26-114207.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001104659-26-114207 |
| 2026-09-02 | 07:41 ET | [10-Q](/filings/0001104659-26-104501.md) | Quarterly report, period 2026-07-31 | 0001104659-26-104501 |
| 2026-09-02 | 07:35 ET | [8-K](/filings/0001104659-26-104498.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-104498 |
| 2026-07-21 | 16:34 ET | [8-K](/filings/0001104659-26-085427.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-085427 |
| 2026-07-09 | 08:15 ET | [8-K](/filings/0001104659-26-082100.md) | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-082100 |
| 2026-06-24 | 07:11 ET | [8-K](/filings/0001104659-26-077042.md) | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-077042 |
| 2026-06-08 | 07:40 ET | [10-Q](/filings/0001104659-26-071183.md) | Quarterly report, period 2026-04-30 | 0001104659-26-071183 |
| 2026-06-08 | 07:35 ET | [8-K](/filings/0001104659-26-071181.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-071181 |
| 2026-05-21 | 08:35 ET | [8-K](/filings/0001104659-26-064902.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-064902 |

## Latest annual report

[Form 10-K for the fiscal year ended Oct 31, 2025](/filings/0001104659-25-122302.md), filed Dec 18, 2025.

## Forecast league

Not in this season’s league. [This season’s league](/leagues.md)

## About the filer

- CIK: 886128
- Tickers: FCEL, FCELB
- Exchange: Nasdaq
- SIC code: 3620 Electrical Industrial Apparatus
- State of incorporation: DE
- Filer category: Accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 30, 2026, 17:33 ET. No prices; not investment advice.