DUK at a glance
Duke Energy (DUK, SEC CIK 1326160) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 4, 2026, an 8-K current report on September 25, 2026 and Form 4 insider filings as recently as September 30, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), Duke Energy (DUK) reported revenue of $31.7 billion (up 5.6% from FY2024) and net income of $5.0 billion. Diluted EPS was $6.31.
- As of June 30, 2026, 63 institutional investment managers tracked by SignalX reported holding Duke Energy (DUK) shares worth $35.6 billion in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by Renjel Louis E. on May 11, 2026 of 3,500 shares at $125.15 per share.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $31.7B
- +5.6% vs prior year
- Insiders · 90 days
- 0 buys · 0 sells
- No open-market trades
- 13F holders
- 63 funds
- $35.6B · +2 vs prior quarter
- Latest 8-K
- Sep 25, 2026
- Item 8.01 · Item 5.02
AI 10-K Annual Report Analysis
Latest 10-K, fiscal year ended Dec 31, 2025
Business Overview
- Regulated electric (~8.7M customers, 6 states) and gas (~1.8M customers) utility serving Southeast/Midwest; earns regulated return on invested capital
- $6B investment agreement signed Aug 2025 with Brookfield Super-Core Infrastructure Partners for anticipated 19.7% indirect stake in Duke Energy Florida
- Piedmont Tennessee natural gas business sold to Spire Inc. (July 2025 agreement), reclassified as held for sale; ~205,000 customers to be divested
- Nuclear NDTF investments grew to $12.9B (from $11.4B in 2024); Oconee received subsequent 20-year NRC license renewal through 2054 in March 2025
- New CEO Harry Sideris took office April 2025; multiple C-suite reshuffles across 5+ executive roles during 2025
Management Discussion & Analysis
- EU&I revenue $29.4B (+$1.3B YoY); GU&I revenue $3.0B (+$613M); total driven by rate cases, storm recovery, and volume growth
- GAAP EPS $6.31 vs $5.71; adjusted EPS $6.31 vs $5.90; EU&I segment income $5.34B vs $4.77B; EU&I ETR 13.7% vs 14.4%
- Best segment EU&I: segment income +$567M YoY; worst GU&I: ETR rose 20.7% vs 17.9%, higher O&M dragged earnings
- Operating cash flow ~flat at $12.33B; capex $14.0B (+$1.74B YoY); dividends paid $3.3B; ~2% annual dividend increase; no buybacks disclosed
- Forward plan: $17.75B–$21.2B annual capex 2026–2028; $9B debt issuance planned 2026; $10B equity 2027–2030; key risks include tariff/supply chain disruption and GU&I goodwill impairment sensitivity
Risk Factors
- EPA April 2024 rules impose stringent GHG limits on coal/gas plants and new CCR groundwater monitoring requirements under 2024 CCR Rule
- Supply chain exposed to rare earth export controls and tariff-driven cost inflation delaying critical grid equipment procurement
- Nuclear relicensing risk: NRC approval needed for 11 reactors at 6 stations, extending operations to midcentury for net-zero 2050 goal
- Duke holding company structure: entirely dependent on subsidiary cash flows; subsidiaries face regulatory restrictions before upstreaming funds
- IRA/OBBBA nuclear production tax credits at risk of elimination, threatening cost-reduction benefits passed through to customers
AI summary of the DUK 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Risk Factors
- No risk-factor section provided; supplied text contains exhibits, trading arrangements, and signatures only
- New insider-trading disclosure: Bonnie Titone adopted a 10b5-1 plan covering up to 2,900 shares
- Trading-plan period: August 12, 2026 through July 30, 2027
- No specific regulatory, operational, competitive, market, liquidity, debt, currency, or concentration risks disclosed
AI summary of the DUK 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 8.01: Other Events
- Anne Mullen appointed to Duke Energy’s Board of Directors
- Board appointment may influence governance, oversight, and shareholder representation
Item EX-99.1: Item EX-99.1
- Joyce Mullen appointed Duke Energy director effective Sept. 28, 2026
- Audit Committee and Operations and Nuclear Oversight Committee assignments
Item 5.02: Departure/Appointment of Directors or Principal Officers
- Joyce Mullen appointed Duke Energy director effective September 28, 2026, with term expiring at 2027 annual meeting
- Independent director adds technology, operations, supply-chain and logistics leadership experience
Item 8.01: Other Events
- Duke Energy filed transaction documents for securities issuance, including 2032 and 2036 RSNs, corporate units, and treasury units
- Purchase Contract and Pledge Agreement establishes investor obligations and collateral mechanics for the securities
Item EX-99.1: Item EX-99.1
- Duke Energy launched a $1.75B equity-units offering, based on 35M units at a $50 stated amount
- Underwriters may purchase up to 5M additional units, implying up to $250M incremental financing
Item EX-99.1: Item EX-99.1
- North Carolina rate-case settlement cuts DEP’s requested increase to $338 million, versus $729 million initially
- Settlement supports 9.8% ROE and 53% equity component, below DEP’s revised 10.48% ROE request
AI summaries of DUK 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for DUK
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Mullen Joyce A | A | Sep 28, 2026 | 1,066 | $113.41 |
| Kesner Idalene Fay | A | Jul 2, 2026 | 266 | $129.60 |
| Weintraub Alexander J. | I | May 20, 2026 | 394 | $123.81 |
| Weintraub Alexander J. | I | May 19, 2026 | 3,265 | $124.56 |
| CRAVER THEODORE F JR | G | May 18, 2026 | 2,402 | - |
| Renjel Louis E. | Sell | May 11, 2026 | 3,500 | $125.15 |
| Sideris Harry K. | Sell | May 8, 2026 | 20,000 | $124.37 |
| FANANDAKIS NICHOLAS C | A | May 7, 2026 | 1,602 | $124.87 |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | - | $30.1B | $31.7B |
| Operating Income | $7.1B | $7.9B | $8.6B |
| Net Income | $2.8B | $4.5B | $5.0B |
| Op. Margin | - | 26.4% | 27.2% |
| Net Margin | - | 15.1% | 15.7% |
| Balance Sheet | |||
| Total Assets | - | $186.3B | $195.7B |
| Equity | - | $50.1B | $51.8B |
| ROE | - | 9.0% | 9.6% |
| Per Share | |||
| EPS | - | $5.71 | $6.31 |
| Cash Flow | |||
| Operating CF | $9.9B | $12.3B | $12.3B |
| CapEx | $12.6B | $12.3B | $14.0B |
Source: XBRL data in Duke Energy (DUK)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate DUK share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 63 | $35.60B |
| Q1 2026 | 61 | $36.48B |
| Q4 2025 | 58 | $32.16B |
| Q3 2025 | 62 | $34.79B |
| Q2 2025 | 57 | $32.38B |
| Q1 2025 | 53 | $24.74B |
| Q4 2024 | 53 | $18.58B |
| Q3 2024 | 49 | $9.71B |
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Source: 13F-HR filings on SEC EDGAR (aggregated from 456 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
DUK filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
10-K annual reports
10-Q quarterly reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 4 | Sep 30, 2026 | - | - | - |
| 8-K | Sep 25, 2026 | - | Analysis | - |
| 8-K | Aug 13, 2026 | - | Analysis | - |
| 8-K | Aug 5, 2026 | - | Analysis | - |
| 10-Q | Aug 4, 2026 | Jun 30, 2026 | Analysis | |
| 8-K | Aug 4, 2026 | - | Analysis | - |
| 8-K | Jul 17, 2026 | - | Analysis | - |
| 8-K | Jul 6, 2026 | - | Analysis | - |
| 4 | Jul 6, 2026 | - | - | - |
| 4 | May 21, 2026 | - | - | |
| 4 | May 20, 2026 | - | - | |
| 8-K | May 13, 2026 | - | Analysis | |
| 4 | May 12, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - |
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DUK SEC filings: frequently asked questions
Which institutions hold DUK stock?
As of June 30, 2026, the largest Duke Energy (DUK) holders among the 13F filers tracked by SignalX were BlackRock ($8.9 billion), Vanguard Capital Management LLC ($6.4 billion), State Street Corp ($5.7 billion), Vanguard Portfolio Management LLC ($2.6 billion), Morgan Stanley ($1.7 billion). 13F-HR reports are filed up to 45 days after each quarter ends.
What was DUK's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), Duke Energy (DUK) reported revenue of $31.7 billion (up 5.6% from FY2024) and net income of $5.0 billion. Diluted EPS was $6.31. The figures come from the XBRL data in the 10-K.
What are the main risks in DUK's latest 10-K?
In the 10-K filed February 26, 2026, Duke Energy (DUK) flagged: EPA April 2024 rules impose stringent GHG limits on coal/gas plants and new CCR groundwater monitoring requirements under 2024 CCR Rule. Supply chain exposed to rare earth export controls and tariff-driven cost inflation delaying critical grid equipment procurement. (AI summary of the Risk Factors section.)
What did DUK report in its latest 8-K?
Duke Energy (DUK) filed an 8-K on September 25, 2026 reporting Item 8.01 (Other Events) and Item 5.02 (Departure/Appointment of Directors or Principal Officers). Anne Mullen appointed to Duke Energy’s Board of Directors.
What are the latest DUK SEC filings?
Duke Energy (DUK) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 4, 2026, an 8-K current report on September 25, 2026 and a Form 4 insider filing on September 30, 2026.
What is DUK's SEC CIK number?
Duke Energy (DUK)'s SEC Central Index Key (CIK) is 1326160. EDGAR lists every DUK filing under that number.
Ask anything about DUK
The research agent reads DUK's filings, financials, insider trades and 13F holders, then answers with sources.