Oklo Inc.
OKLONYSECIK 1849056UtilitiesFiscal year ends Dec 31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Report this figureThree months to Jun 30, 2026, from the 10-Q filed Aug 7, 2026.Latest quarter: Q2 FY2026
Three months to Jun 30, 2026, against the same quarter a year earlier.
- Revenue$1.2mRevenue, Q2 FY2026, three months to 2026-06-30$1.2m. XBRL concept
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Report this figureSign changed from a year earlier - Gross marginnot reported (Gross profit not reported)No year-earlier figure to compare
- Operating margin−6048.8%Operating margin, Q2 FY2026, three months to 2026-06-30. operating income / revenueOperating income: −$73.2m. XBRL concept
us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Revenue: $1.2m. XBRL conceptus-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Report this figureNo year-earlier figure to compare - Net margin−4011.2%Net margin, Q2 FY2026, three months to 2026-06-30. net income / revenueNet income: −$48.5m. XBRL concept
us-gaap:NetIncomeLoss. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Revenue: $1.2m. XBRL conceptus-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Report this figureNo year-earlier figure to compare - Diluted EPS−$0.28Diluted EPS, Q2 FY2026, three months to 2026-06-30−$0.28 per share. XBRL concept
us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Report this figure−55.6% on a year earlier - Free cash flow−$141.7mFree cash flow, Q2 FY2026, three months to 2026-06-30. operating cash flow − capital expenditureOperating cash flow: −$47.6m. XBRL concept
us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001628280-26-054571. Derived: 6-month figure less the 3-month figure.Capital expenditure: $94.1m. XBRL conceptus-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001628280-26-054571. Derived: 6-month figure less the 3-month figure.Report this figure−632.3% on a year earlier
Last eight quarters
Full statements| Line item | Unit | Q3 FY20242024-09-30 | Q4 FY20242024-12-31 | Q1 FY20252025-03-31 | Q2 FY20252025-06-30 | Q3 FY20252025-09-30 | Q4 FY20252025-12-31 | Q1 FY20262026-03-31 | Q2 FY20262026-06-30 | Shape over the periods |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $m | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | 0.0Revenue, Q2 FY2025, three months to 2025-06-30$0. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Report this figure | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | 1.2Revenue, Q2 FY2026, three months to 2026-06-30$1.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Report this figure | |
| Gross margin | % | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit not reported) | |
| Operating margin | % | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue of zero not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | (6048.8%)Operating margin, Q2 FY2026, three months to 2026-06-30. operating income / revenueOperating income: −$73.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Revenue: $1.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Report this figure | |
| Net margin | % | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue of zero not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | (4011.2%)Net margin, Q2 FY2026, three months to 2026-06-30. net income / revenueNet income: −$48.5m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Revenue: $1.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Report this figure | |
| Diluted EPS | $ per share | (0.08)Diluted EPS, Q3 FY2024, three months to 2024-09-30−$0.08 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-12, accession 0001628280-25-051349.Report this figure | not reported (Diluted EPS not reported) | (0.07)Diluted EPS, Q1 FY2025, three months to 2025-03-31−$0.07 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q/A filed 2026-06-17, accession 0001849056-26-000037.Report this figure | (0.18)Diluted EPS, Q2 FY2025, three months to 2025-06-30−$0.18 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Report this figure | (0.20)Diluted EPS, Q3 FY2025, three months to 2025-09-30−$0.20 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-12, accession 0001628280-25-051349.Report this figure | not reported (Diluted EPS not reported) | (0.19)Diluted EPS, Q1 FY2026, three months to 2026-03-31−$0.19 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q/A filed 2026-06-17, accession 0001849056-26-000037.Report this figure | (0.28)Diluted EPS, Q2 FY2026, three months to 2026-06-30−$0.28 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001628280-26-054571.Report this figure | |
| Free cash flow | $m | (8.0)Free cash flow, Q3 FY2024, three months to 2024-09-30. operating cash flow − capital expenditureOperating cash flow: −$7.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-12, accession 0001628280-25-051349. Derived: 9-month figure less the 6-month figure.Capital expenditure: $111.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-12, accession 0001628280-25-051349. Derived: 9-month figure less the 6-month figure.Report this figure | (13.5)Free cash flow, Q4 FY2024, three months to 2024-12-31. operating cash flow − capital expenditureOperating cash flow: −$13.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-17, accession 0001628280-26-018698. Derived: 12-month figure less the 9-month figure.Capital expenditure: $69.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-17, accession 0001628280-26-018698. Derived: 12-month figure less the 9-month figure.Report this figure | (12.6)Free cash flow, Q1 FY2025, three months to 2025-03-31. operating cash flow − capital expenditureOperating cash flow: −$12.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q/A filed 2026-06-17, accession 0001849056-26-000037.Capital expenditure: $332.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q/A filed 2026-06-17, accession 0001849056-26-000037.Report this figure | (19.3)Free cash flow, Q2 FY2025, three months to 2025-06-30. operating cash flow − capital expenditureOperating cash flow: −$18.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001628280-26-054571. Derived: 6-month figure less the 3-month figure.Capital expenditure: $877.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001628280-26-054571. Derived: 6-month figure less the 3-month figure.Report this figure | (23.1)Free cash flow, Q3 FY2025, three months to 2025-09-30. operating cash flow − capital expenditureOperating cash flow: −$18.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-12, accession 0001628280-25-051349. Derived: 9-month figure less the 6-month figure.Capital expenditure: $5.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-12, accession 0001628280-25-051349. Derived: 9-month figure less the 6-month figure.Report this figure | (60.4)Free cash flow, Q4 FY2025, three months to 2025-12-31. operating cash flow − capital expenditureOperating cash flow: −$33.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-17, accession 0001628280-26-018698. Derived: 12-month figure less the 9-month figure.Capital expenditure: $26.9m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-17, accession 0001628280-26-018698. Derived: 12-month figure less the 9-month figure.Report this figure | (50.7)Free cash flow, Q1 FY2026, three months to 2026-03-31. operating cash flow − capital expenditureOperating cash flow: −$17.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q/A filed 2026-06-17, accession 0001849056-26-000037.Capital expenditure: $32.8m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q/A filed 2026-06-17, accession 0001849056-26-000037.Report this figure | (142)Free cash flow, Q2 FY2026, three months to 2026-06-30. operating cash flow − capital expenditureOperating cash flow: −$47.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001628280-26-054571. Derived: 6-month figure less the 3-month figure.Capital expenditure: $94.1m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001628280-26-054571. Derived: 6-month figure less the 3-month figure.Report this figure |
Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.
Last five fiscal years
| Line item | Unit | FY20222022-12-31 | FY20232023-12-31 | FY20242024-12-31 | FY20252025-12-31 | Shape over the periods |
|---|---|---|---|---|---|---|
| Revenue | $m | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | |
| Gross margin | % | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | |
| Operating margin | % | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | |
| Net margin | % | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | |
| Diluted EPS | $ per share | not reported (Diluted EPS not reported) | (0.47)Diluted EPS, FY2023, twelve months to 2023-12-31−$0.47 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2025-03-24, accession 0001628280-25-014490.Report this figure | (0.74)Diluted EPS, FY2024, twelve months to 2024-12-31−$0.74 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-03-17, accession 0001628280-26-018698.Report this figure | (0.72)Diluted EPS, FY2025, twelve months to 2025-12-31−$0.72 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-03-17, accession 0001628280-26-018698.Report this figure | |
| Free cash flow | $m | not reported (Capital expenditure not reported) | (16.1)Free cash flow, FY2023, twelve months to 2023-12-31. operating cash flow − capital expenditureOperating cash flow: −$16.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2025-03-24, accession 0001628280-25-014490.Capital expenditure: $83.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2025-03-24, accession 0001628280-25-014490.Report this figure | (38.7)Free cash flow, FY2024, twelve months to 2024-12-31. operating cash flow − capital expenditureOperating cash flow: −$38.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-17, accession 0001628280-26-018698.Capital expenditure: $352.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-17, accession 0001628280-26-018698.Report this figure | (115)Free cash flow, FY2025, twelve months to 2025-12-31. operating cash flow − capital expenditureOperating cash flow: −$82.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-17, accession 0001628280-26-018698.Capital expenditure: $33.2m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-17, accession 0001628280-26-018698.Report this figure |
Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.
Insider purchases and sales
All insider transactionsThe last 20 open-market transactions reported on Form 4 (codes P and S). The reported price is the price per share the insider stated on the form: filing data, not a market price.
No open-market purchases or sales by insiders are in coverage from Nov 2024 to Oct 2026.
No open-market purchases or sales by insiders are in coverage for this company.
Funds that report holding it
All fundsFrom each manager's latest Form 13F, largest reported value first. Reported value is as filed at the quarter end: filing data, not a price. A put or call is an option position, not shares held.
| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
|---|---|---|---|---|---|
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2026-06-30 | $467.6m | 8,935,822 | Added+79,326 | |
| VAN ECK ASSOCIATES CORP | 2026-06-30 | $414.1m | 7,912,353 | Added+1,830,836 | |
| BlackRock, Inc. | 2026-06-30 | $382.6m | 7,311,968 | Reduced−8,595,544 | |
| VANGUARD CAPITAL MANAGEMENT LLC | 2026-06-30 | $342.2m | 6,539,334 | Added+708,401 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2026-06-30 | $336.2m | 6,425,515 | Added+187,597 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2026-06-30 | $318.9m | 6,094,100 | Call | Added+998,300 |
| CITADEL ADVISORS LLC | 2026-06-30 | $255.3m | 4,879,000 | Call | Added+1,039,000 |
| JANE STREET GROUP, LLC | 2026-06-30 | $241.9m | 4,621,700 | Call | Reduced−289,400 |
| JANE STREET GROUP, LLC | 2026-06-30 | $235.8m | 4,506,300 | Put | Added+641,100 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2026-06-30 | $185.0m | 3,534,700 | Put | Added+328,100 |
Recent filings
All 482 filingsReports and events: 10-K, 10-Q, 8-K, proxy statements and ownership schedules.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-09-1107:37 ET | 8-K | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 9.01 Financial statements and exhibits | 0001104659-26-106897 |
| 2026-08-0707:19 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0001628280-26-054571 |
| 2026-07-2816:20 ET | 8-K | 5.02 Departure or appointment of officers or directors | 0001849056-26-000039 |
| 2026-07-0620:10 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001193125-26-296620 |
| 2026-06-1720:37 ET | 10-Q/A | Quarterly report, amendedPeriod 2026-03-31 | 0001849056-26-000037 |
| 2026-06-0816:38 ET | 8-K | 5.07 Shareholder vote results | 0001849056-26-000028 |
| 2026-05-1317:22 ET | 8-K | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 9.01 Financial statements and exhibits | 0001104659-26-060385 |
| 2026-05-1216:07 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0001628280-26-034095 |
| 2026-04-2116:11 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001193125-26-166799 |
| 2026-04-2116:05 ET | DEF 14A | Proxy statementPeriod 2025-12-31 | 0001849056-26-000023 |
Latest annual report
Form 10-K for the fiscal year ended Dec 31, 2025Filed Mar 17, 2026. Its page lists the documents and the extracted sections, such as Business and Risk factors.
Forecast league
Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by [object Promise].Forecast this quarter
About the filer
- CIK
- 1849056
- Tickers
- OKLO
- Exchange
- NYSE
- SIC code
- 4911 Electric Services
- Sector
- Utilities
- Fiscal year ends
- Dec 31
- Incorporated in
- DE
- Filer category
- <br>Emerging growth company
- Former names
- AltC Acquisition Corp. (to 2024-05-08)
Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 29, 2026, 15:16 ET. Listed shows no prices and gives no investment advice.