FANG at a glance
Diamondback Energy (FANG, SEC CIK 1539838) filed its latest 10-K annual report on February 25, 2026, a 10-Q quarterly report on August 5, 2026, an 8-K current report on September 30, 2026 and Form 4 insider filings as recently as September 17, 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), Diamondback Energy (FANG) reported revenue of $15.0 billion (up 35.8% from FY2024) and net income of $1.7 billion. Diluted EPS was $5.73.
- As of June 30, 2026, 44 institutional investment managers tracked by SignalX reported holding Diamondback Energy (FANG) shares worth $17.6 billion in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by SGF FANG Holdings, LP on September 16, 2026 of 9,079,675 shares at $205.26 per share.
- In the last 90 days, FANG insiders reported 0 open-market purchases ($0) and 15 open-market sales ($1.9B) on Form 4, a net sale of $1.9B.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $15.0B
- +35.8% vs prior year
- Insiders · 90 days
- 0 buys · 15 sells
- Net −$1.9B
- 13F holders
- 44 funds
- $17.6B · +1 vs prior quarter
- Latest 8-K
- Sep 30, 2026
- Item 5.02 · Item 1.01
AI 10-K Annual Report Analysis
Latest 10-K, fiscal year ended Dec 31, 2025
Business Overview
- Section 'business' was empty or not found.
Risk Factors
- Impairment of $3.7B recorded in 2025 under full cost ceiling method, triggered by declining oil prices (avg $64.04/Bbl vs $73.52 in 2024)
- Permian Basin-only operations create single-geography concentration risk; all 336,178 MBOE 2025 production from one region
- Texas Railroad Commission produced water disposal restrictions near Midland/Odessa directly threaten Permian drilling economics
- U.S. tariff policy volatility raises input costs and threatens commodity demand with no advance notice to operators
- Endeavor equityholders retain significant influence post-acquisition; no key-person insurance maintained on any executive
Management Discussion & Analysis
- Total production 336,178 MBOE in 2025 vs 218,972 MBOE in 2024 (+53% YoY); avg realized price $40.02/BOE vs $46.12/BOE (-13% YoY)
- Cash operating costs $10.23/BOE in 2025 vs $11.09/BOE in 2024; DD&A rose to $14.99/BOE vs $13.02/BOE
- Midland Basin dominant segment: 309,335 MBOE (92% of total); Delaware Basin 25,692 MBOE, down from 35,134 MBOE in 2024
- 8,854 gross identified economic drilling locations at $50/Bbl WTI; 79,599 gross acres expiring 2026–2030 represent key acreage risk
- Key risks: oil price decline (WTI ranged $55–$94 from 2023–2025), tariff impacts, produced water disposal restrictions in Permian Basin
AI summary of the FANG 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
Management Discussion & Analysis
- Revenue $4.8B in Q2 2026, up $961M from Q1; six-month revenue $8.6B, up 23% YoY
- Net income $1.9B; cash operating costs $10.96 per BOE, including lease operating costs $5.96
- Oil strongest product: $4.627B Q2 sales; natural gas weakest at $(276)M amid negative Waha pricing
- Cash capital expenditures $996M; dividends $311M, buybacks $141M, debt retirements $1.378B
- Annual production guidance increased 3% to approximately 1,000 MBOE/d; takeaway constraints expected to ease later in 2026
Risk Factors
- No material changes in risk factors from the December 31, 2025 Form 10-K
- Carried-forward regulatory risk under the Inflation Reduction Act’s nondeductible 1% stock-repurchase excise tax
- Carried-forward financial risk from stock repurchases, with authorization increased to $16.0 billion
- Carried-forward operational and market risks remain incorporated by reference from the 2025 Form 10-K
AI summary of the FANG 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 5.02: Departure/Appointment of Directors or Principal Officers
- Darin Holderness resigned as director September 29, 2026
- Lance Robertson resigned as director September 30, 2026
Item 1.01: Entry into a Material Definitive Agreement
- Stephens Majority board designation rights tied to ownership thresholds under amended Stockholders Agreement
- Two director nominees permitted at 10%–25% beneficial ownership
Item 2.02: Results of Operations and Financial Condition
- Q2 2026 results covered quarter ended June 30, 2026
- Earnings release included Q2 2026 base cash dividend announcement
Item EX-99.1: Item EX-99.1
- Q2 revenue $5.56B and net income $1.88B, with diluted EPS $6.65 versus $2.38 in Q2 2025
- Production surpassed 1.0 MBOE/d at 1,018 MBOE/d, supporting higher 2026 oil guidance of 522+ MBO/d
Item 2.02: Results of Operations and Financial Condition
- Q2 2026 unhedged realized oil price $96.82 per barrel, supporting strong upstream revenue potential
- Hedging reduced realized oil price to $94.33 per barrel and improved natural gas price from $(2.15) to $(0.34) per Mcf
AI summaries of FANG 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for FANG
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Meloy Charles Alvin | G | Sep 16, 2026 | 12,500 | - |
| Meloy Charles Alvin | G | Sep 16, 2026 | 25,000 | - |
| Meloy Charles Alvin | G | Sep 16, 2026 | 12,500 | - |
| SGF FANG Holdings, LP | Sell | Sep 16, 2026 | 9,079,675 | $205.26 |
| Meloy Charles Alvin | G | Sep 15, 2026 | 12,500 | - |
| Zmigrosky Matt | Sell | Sep 15, 2026 | 1,326 | $212.56 |
| Meloy Charles Alvin | G | Sep 15, 2026 | 25,000 | - |
| Dick Teresa L. | Sell | Sep 15, 2026 | 5,000 | $210.00 |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | $8.4B | $11.1B | $15.0B |
| Operating Income | $4.6B | $4.4B | $1.3B |
| Net Income | $3.1B | $3.3B | $1.7B |
| Op. Margin | 54.3% | 39.7% | 8.4% |
| Net Margin | 37.4% | 30.2% | 11.1% |
| Balance Sheet | |||
| Total Assets | $29.0B | $67.3B | $71.1B |
| Equity | $16.6B | $37.7B | $37.0B |
| ROE | 18.9% | 8.8% | 4.5% |
| Per Share | |||
| EPS | - | $15.53 | $5.73 |
| Cash Flow | |||
| Operating CF | $5.9B | $6.4B | $8.8B |
Source: XBRL data in Diamondback Energy (FANG)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate FANG share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 44 | $17.58B |
| Q1 2026 | 43 | $19.65B |
| Q4 2025 | 43 | $15.05B |
| Q3 2025 | 44 | $14.42B |
| Q2 2025 | 43 | $13.12B |
| Q1 2025 | 39 | $10.83B |
| Q4 2024 | 35 | $9.61B |
| Q3 2024 | 32 | $5.07B |
- D.E. Shaw & Co+1.00M (+60%)
- BNY Mellon+910.7K (+23%)
- Invesco Ltd+662.7K (+6%)
- State Street Corp+510.3K (+4%)
- BlackRock+286.3K (+2%)
- JPMorgan Chase & Co−2.48M (-40%)
- T. Rowe Price Group−705.5K (-26%)
- FMR LLC (Fidelity)−283.9K (-6%)
- Wells Fargo & Co−127.7K (-17%)
- Ameriprise Financial−108.3K (-16%)
- Renaissance Technologies LLC+331.5K
- StoneX Group Inc.+1.8K
- NICOLET BANKSHARES INC+1.7K
Source: 13F-HR filings on SEC EDGAR (aggregated from 323 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
FANG 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 |
|---|---|---|---|---|
| 8-K | Sep 30, 2026 | - | Analysis | - |
| 4 | Sep 17, 2026 | - | - | - |
| 4 | Sep 17, 2026 | - | - | - |
| 4 | Sep 17, 2026 | - | - | - |
| 4 | Sep 17, 2026 | - | - | - |
| 4 | Sep 17, 2026 | - | - | - |
| 4 | Sep 14, 2026 | - | - | - |
| 4 | Sep 14, 2026 | - | - | - |
| 4 | Sep 14, 2026 | - | - | - |
| 4 | Aug 24, 2026 | - | - | - |
| 4 | Aug 24, 2026 | - | - | - |
| 4 | Aug 24, 2026 | - | - | - |
| 4 | Aug 17, 2026 | - | - | - |
| 4 | Aug 17, 2026 | - | - | - |
| SC 13G | Aug 13, 2026 | - | - | |
| 4 | Aug 12, 2026 | - | - | - |
| 10-Q | Aug 5, 2026 | Jun 30, 2026 | Analysis | |
| 4 | Aug 4, 2026 | - | - | - |
| 8-K | Aug 3, 2026 | - | Analysis | - |
| 8-K | Jul 13, 2026 | - | Analysis | - |
| 4 | Jun 18, 2026 | - | - | - |
| 4 | Jun 17, 2026 | - | - | - |
| 8-K | Jun 15, 2026 | - | Analysis | - |
| 4 | Jun 10, 2026 | - | - | |
| 4 | Jun 8, 2026 | - | - |
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FANG SEC filings: frequently asked questions
Are FANG insiders buying or selling?
In the last 90 days, Diamondback Energy (FANG) officers, directors and 10% owners reported no open-market purchases and 15 open-market sales worth $1.9 billion by 9 insiders on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold FANG stock?
As of June 30, 2026, the largest Diamondback Energy (FANG) holders among the 13F filers tracked by SignalX were BlackRock ($3.3 billion), Vanguard Capital Management LLC ($2.2 billion), State Street Corp ($2.2 billion), Invesco Ltd ($2.0 billion), Vanguard Portfolio Management LLC ($1.7 billion). 13F-HR reports are filed up to 45 days after each quarter ends.
What was FANG's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), Diamondback Energy (FANG) reported revenue of $15.0 billion (up 35.8% from FY2024) and net income of $1.7 billion. Diluted EPS was $5.73. The figures come from the XBRL data in the 10-K.
What are the main risks in FANG's latest 10-K?
In the 10-K filed February 25, 2026, Diamondback Energy (FANG) flagged: Impairment of $3.7B recorded in 2025 under full cost ceiling method, triggered by declining oil prices (avg $64.04/Bbl vs $73.52 in 2024). Permian Basin-only operations create single-geography concentration risk; all 336,178 MBOE 2025 production from one region. (AI summary of the Risk Factors section.)
What did FANG report in its latest 8-K?
Diamondback Energy (FANG) filed an 8-K on September 30, 2026 reporting Item 5.02 (Departure/Appointment of Directors or Principal Officers) and Item 1.01 (Entry into a Material Definitive Agreement). Darin Holderness resigned as director September 29, 2026.
What are the latest FANG SEC filings?
Diamondback Energy (FANG) filed its latest 10-K annual report on February 25, 2026, a 10-Q quarterly report on August 5, 2026, an 8-K current report on September 30, 2026 and a Form 4 insider filing on September 17, 2026.
What is FANG's SEC CIK number?
Diamondback Energy (FANG)'s SEC Central Index Key (CIK) is 1539838. EDGAR lists every FANG filing under that number.
Ask anything about FANG
The research agent reads FANG's filings, financials, insider trades and 13F holders, then answers with sources.