Stocks › FANG
Diamondback Energy, Inc.
FANG·Nasdaq·
United States·USD
United States·USD$184.98
+0.90 (+0.49%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
FANG
Diamondback Energy, Inc. · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
FANGS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of FANG by members of U.S. Congress · 31 on record · 1 in the last 12 months
Whale Activity
Position changes in FANG reported for 2026-09-30 by 1 tracked institutional filer
- Increased0
- New0
- Held0
- Decreased0
- Closed0
- No prior filing1
| Filer | Shares | Value | Change |
|---|---|---|---|
| Partnership Wealth Management, LLC | 10.6K | $1.9M | — |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by FANG insiders, by quarter · Form 4
Recent Insider Transactions
1,238 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| SGF FANG Holdings, LP / Greth Lyndal | Sale | −9.1M | $205.26 | $1.86B | Sep 16, 2026 | Form 4 ↗ |
| Zmigrosky MattEVP, Chief Legal and Admin Off | Sale | −1,326 | $212.56 | $282K | Sep 15, 2026 | Form 4 ↗ |
| Dick Teresa L.EVP Accounting, Assist. Sec. | Sale | −5,000 | $210.00 | $1.1M | Sep 15, 2026 | Form 4 ↗ |
| Stice Travis D.Director · Director | Sale | −75.0K | $204.31 | $15.3M | Sep 11, 2026 | Form 4 ↗ |
| Plaumann Mark LawrenceDirector · Director | Sale | −1,000 | $210.58 | $211K | Aug 21, 2026 | Form 4 ↗ |
| Van't Hof Matthew KaesChief Executive Officer · Director | Sale | −9,500 | $214.64 | $2.0M | Aug 20, 2026 | Form 4 ↗ |
| Van't Hof Matthew KaesChief Executive Officer · Director | Sale | −500 | $215.06 | $108K | Aug 20, 2026 | Form 4 ↗ |
| Wesson Daniel NExec. VP & COO | Sale | −7,500 | $215.21 | $1.6M | Aug 20, 2026 | Form 4 ↗ |
| Zmigrosky MattEVP, Chief Legal and Admin Off | Sale | −2,500 | $202.77 | $507K | Aug 14, 2026 | Form 4 ↗ |
| Thompson Jere W IIICFO, Executive VP | Sale | −500 | $204.14 | $102K | Aug 14, 2026 | Form 4 ↗ |
| Van't Hof Matthew KaesChief Executive Officer · Director | Sale | −5,000 | $202.46 | $1.0M | Aug 11, 2026 | Form 4 ↗ |
| Meloy Charles AlvinDirector · Director | Sale | −7,562 | $197.91 | $1.5M | Aug 3, 2026 | Form 4 ↗ |
| Meloy Charles AlvinDirector · Director | Sale | −3,986 | $197.06 | $785K | Aug 3, 2026 | Form 4 ↗ |
| Meloy Charles AlvinDirector · Director | Sale | −2,730 | $199.44 | $544K | Aug 3, 2026 | Form 4 ↗ |
| Meloy Charles AlvinDirector · Director | Sale | −19.1K | $198.74 | $3.8M | Aug 3, 2026 | Form 4 ↗ |
| Van't Hof Matthew KaesChief Executive Officer · Director | Gift | −2,674 | $0.00 | $0 | Jun 17, 2026 | Form 4 ↗ |
| Meloy Charles AlvinDirector | Sale | −4,049 | $187.68 | $760K | Jun 16, 2026 | Form 4 ↗ |
| Meloy Charles AlvinDirector | Sale | −64.7K | $187.25 | $12.1M | Jun 16, 2026 | Form 4 ↗ |
| Meloy Charles AlvinDirector | Sale | −14.5K | $186.37 | $2.7M | Jun 16, 2026 | Form 4 ↗ |
| Plaumann Mark LawrenceDirector | Sale | −500 | $196.50 | $98K | Jun 9, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding FANG · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| VANGUARD EQUITY INCOME FUND VANGUARD FENWAY FUNDS | 7.0M | $1.24B | 1.89% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 6.3M | $1.10B | 0.05% | Jun 30, 2026 |
| Invesco QQQ Trust, Series 1 | 6.0M | $1.05B | 0.21% | Jun 30, 2026 |
| VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | 5.0M | $884.1M | 0.05% | Jun 30, 2026 |
| VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS | 4.3M | $750.0M | 0.33% | Jun 30, 2026 |
| State Street(R) Energy Select Sector SPDR(R) ETF SELECT SECTOR SPDR TRUST | 4.2M | $731.4M | 2.05% | Jun 30, 2026 |
| American Balanced Fund | 4.1M | $729.0M | 0.25% | Jun 30, 2026 |
| Investment Co of America | 2.9M | $579.4M | 0.35% | Mar 31, 2026 |
| VANGUARD WELLESLEY INCOME FUND | 3.0M | $523.6M | 1.10% | Jun 30, 2026 |
| Fidelity 500 Index Fund Fidelity Concord Street Trust | 2.5M | $475.6M | 0.06% | May 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list FANG's shares (CUSIP 25278X109), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Greth LyndalSCHEDULE 13D/A · activist (13D) · 65.0M shares23.2%
Sep 17, 2026 · ↗ - SGF FANG Holdings, LPSCHEDULE 13D/A · activist (13D) · 65.0M shares23.2%
Sep 17, 2026 · ↗ - Wellington Management Company LLPSCHEDULE 13G · passive (13G) · 16.4M shares5.7%
Aug 13, 2026 · ↗ - Wellington Investment Advisors Holdings LLPSCHEDULE 13G · passive (13G) · 16.4M shares5.8%
Aug 13, 2026 · ↗ - Wellington Group Holdings LLPSCHEDULE 13G · passive (13G) · 16.4M shares5.8%
Aug 13, 2026 · ↗ - Wellington Management Group LLPSCHEDULE 13G · passive (13G) · 16.4M shares5.8%
Aug 13, 2026 · ↗ - Greth LyndalSCHEDULE 13D/A · activist (13D) · 74.0M shares26.3%
Jun 5, 2026 · ↗ - SGF FANG Holdings, LPSCHEDULE 13D/A · activist (13D) · 74.0M shares26.3%
Jun 5, 2026 · ↗ - Vanguard Capital ManagementSCHEDULE 13G · passive (13G) · 14.7M shares5.2%
Apr 29, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming diamondback energy as client
- HOLLAND & HART LLPDIAMONDBACK ENERGY · 2026 Q2 · FUE$50K
Filing ↗ - HOLLAND & HART LLPDIAMONDBACK ENERGY · 2026 Q1 · FUE$40K
Filing ↗ - HOLLAND & HART LLPDIAMONDBACK ENERGY · 2025 Q4 · FUE$60K
Filing ↗ - HOLLAND & HART LLPDIAMONDBACK ENERGY · 2025 Q3 · FUE$20K
Filing ↗ - HOLLAND & HART LLPDIAMONDBACK ENERGY · 2025 Q2 · FUE$40K
Filing ↗
Government Contracts
Federal awards to Diamondback Energy, Inc. · USAspending
No federal contract awards found for Diamondback Energy, Inc..
U.S. Patents
Recent USPTO applications naming Diamondback Energy, Inc.
No USPTO patent applications found for Diamondback Energy, Inc..
Annual Financials
From FANG's 10-K filings · XBRL
No annual XBRL figures on record for FANG. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in FANG's price history.
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 1.01, 5.02, 9.01Material agreement · Officer / director changeSep 30, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsAug 3, 2026
EDGAR ↗ - 8-K · Items 2.02Results of operationsJul 13, 2026
EDGAR ↗ - 8-K · Items 1.01, 2.03, 9.01Material agreement · Direct financial obligationJun 15, 2026
EDGAR ↗ - 8-K · Items 5.02, 5.07Officer / director change · Shareholder voteMay 20, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsMay 4, 2026
EDGAR ↗
About Diamondback Energy, Inc.
From SEC EDGAR company records
Industry (SIC 1311)Crude Petroleum & Natural Gas
SectorEnergy
HeadquartersMIDLAND, TX
IncorporatedDE
SEC CIK0001539838 ↗
Former namesDiamondback Energy, Inc.