Stocks › MGY
Magnolia Oil & Gas Corp
MGY·NYSE·
United States·USD
$23.94
-0.06 (-0.25%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
MGY
Magnolia Oil & Gas Corp · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
MGYS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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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 MGY by members of U.S. Congress · 13 on record · 4 in the last 12 months
Whale Activity
Position changes in MGY reported for 2026-06-30 by 11 tracked institutional filers
- Increased4
- New1
- Held0
- Decreased4
- Closed1
- No prior filing1
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 32.0M | $817.8M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 15.3M | $392.4M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 7.7M | $196.0M | increased |
| TWO SIGMA INVESTMENTS, LP | 1.4M | $36.2M | decreased |
| RENAISSANCE TECHNOLOGIES LLC | 1.3M | $33.2M | decreased |
| Point72 Asset Management, L.P. | 385.6K | $9.9M | decreased |
| MILLENNIUM MANAGEMENT LLC | 261.4K | $6.7M | decreased |
| Planning Project LLC | 53.4K | $1.4M | — |
| D. E. Shaw & Co., Inc. | 47.3K | $1.2M | increased |
| Bridgewater Associates, LP | 42.9K | $1.1M | new |
| Citadel Advisors LLC | 0 | $0 | closed |
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 MGY insiders, by quarter · Form 4
Recent Insider Transactions
379 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Khani David M.Director · Director | Purchase | +54 | $26.78 | $1K | Sep 1, 2026 | Form 4 ↗ |
| Ropp Ralph LewisDirector · Director | Purchase | +5,000 | $24.63 | $123K | Aug 7, 2026 | Form 4 ↗ |
| Khani David M.Director · Director | Purchase | +8,000 | $25.00 | $200K | Aug 7, 2026 | Form 4 ↗ |
| Szabo ShandellDirector | Purchase | +86 | $27.44 | $2K | Jun 1, 2026 | Form 4 ↗ |
| Acosta ArciliaDirector | Grant / award | +72 | $0.00 | $0 | Jun 1, 2026 | Form 4 ↗ |
| Ropp Ralph LewisDirector | Grant / award | +6,320 | $0.00 | $0 | May 8, 2026 | Form 4 ↗ |
| Szabo ShandellDirector | Grant / award | +6,320 | $0.00 | $0 | May 8, 2026 | Form 4 ↗ |
| Acosta ArciliaDirector | Grant / award | +6,320 | $0.00 | $0 | May 8, 2026 | Form 4 ↗ |
| Khani David M.Director | Grant / award | +6,320 | $0.00 | $0 | May 8, 2026 | Form 4 ↗ |
| LARSON JAMES RDirector | Grant / award | +6,320 | $0.00 | $0 | May 8, 2026 | Form 4 ↗ |
| SMITH DAN FDirector | Grant / award | +8,028 | $0.00 | $0 | May 8, 2026 | Form 4 ↗ |
| DJEREJIAN EDWARD PDirector | Grant / award | +6,320 | $0.00 | $0 | May 8, 2026 | Form 4 ↗ |
| Szabo ShandellDirector | Sale | −11.7K | $31.98 | $375K | Mar 30, 2026 | Form 4 ↗ |
| DJEREJIAN EDWARD PDirector | Sale | −18.0K | $28.98 | $522K | Mar 10, 2026 | Form 4 ↗ |
| Corales BrianSVP & CHIEF FINANCIAL OFFICER | Sale | −33.0K | $29.12 | $961K | Mar 9, 2026 | Form 4 ↗ |
| Acosta ArciliaDirector | Sale | −19.2K | $29.10 | $560K | Mar 9, 2026 | Form 4 ↗ |
| Yang Timothy D.EVP, CHIEF LEGAL & COMM & SEC | Sale | −150.0K | $29.29 | $4.4M | Mar 9, 2026 | Form 4 ↗ |
| Stavros Christopher GCEO & CHAIRMAN · Director | Sale | −120.0K | $29.29 | $3.5M | Mar 9, 2026 | Form 4 ↗ |
| SMITH DAN FDirector | Sale | −18.0K | $29.01 | $522K | Mar 9, 2026 | Form 4 ↗ |
| Corales BrianSVP & CHIEF FINANCIAL OFFICER | Tax withholding | −15.9K | $28.55 | $454K | Mar 2, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding MGY · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF iShares Trust | 11.1M | $285.0M | 0.26% | Jun 30, 2026 |
| Avantis U.S. Small Cap Value ETF American Century ETF Trust | 6.3M | $173.1M | 0.64% | May 31, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 5.9M | $150.2M | 0.01% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 4.8M | $122.2M | 0.15% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 4.2M | $108.5M | 0.06% | Jun 30, 2026 |
| VANGUARD EQUITY INCOME FUND VANGUARD FENWAY FUNDS | 2.9M | $74.6M | 0.11% | Jun 30, 2026 |
| State Street(R) SPDR(R) S&P(R) Oil & Gas Exploration & Production ETF SPDR SERIES TRUST | 2.8M | $72.8M | 2.50% | Jun 30, 2026 |
| Janus Henderson Triton Fund Janus Investment Fund | 2.6M | $66.7M | 1.12% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 2.5M | $65.2M | 0.19% | Jul 31, 2026 |
| T. Rowe Price Small-Cap Value Fund, Inc. | 2.2M | $56.1M | 0.53% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list MGY's shares (CUSIP 559663109), 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
- Kayne Anderson Capital Advisors, L.P.SCHEDULE 13G · passive (13G) · 32.2M shares12.0%
Sep 16, 2026 · ↗ - Warburg Pincus & Company US, LLCSCHEDULE 13G · passive (13G) · 32.2M shares12.0%
Sep 16, 2026 · ↗ - Hawkwood HoldCo GP, LLCSCHEDULE 13G · passive (13G) · 32.2M shares12.0%
Sep 16, 2026 · ↗ - Hawkwood HoldCo, L.P.SCHEDULE 13G · passive (13G) · 32.2M shares12.0%
Sep 16, 2026 · ↗ - WildFire Energy I LLCSCHEDULE 13G · passive (13G) · 32.2M shares12.0%
Sep 16, 2026 · ↗ - Vanguard Portfolio ManagementSCHEDULE 13G/A · passive (13G) · 15.5M shares8.4%
Jul 31, 2026 · ↗ - STATE STREET CORPORATIONSCHEDULE 13G · passive (13G) · 9.5M shares5.1%
May 12, 2026 · ↗ - BlackRock, Inc.SCHEDULE 13G/A · passive (13G) · 27.2M shares14.4%
Apr 30, 2025 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming Magnolia Oil & Gas Corp as client
No lobbying filings found naming Magnolia Oil & Gas Corp as the client.
Government Contracts
Federal awards to Magnolia Oil & Gas Corp · USAspending
No federal contract awards found for Magnolia Oil & Gas Corp.
U.S. Patents
Recent USPTO applications naming Magnolia Oil & Gas Corp
No USPTO patent applications found for Magnolia Oil & Gas Corp.
Annual Financials
From MGY's 10-K filings · XBRL
No annual XBRL figures on record for MGY. 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 MGY's price history.
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 2.02, 9.01Results of operationsOct 1, 2026
EDGAR ↗ - 8-K · Items 1.01, 2.01, 2.03, 3.02, 7.01, 9.01Material agreement · Acquisition or disposition · Direct financial obligationSep 14, 2026
EDGAR ↗ - 8-K · Items 2.02, 7.01, 9.01Results of operations · Reg FD disclosureAug 5, 2026
EDGAR ↗ - 8-K · Items 1.01, 2.03, 9.01Material agreement · Direct financial obligationAug 5, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsJul 23, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsJul 22, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsJul 22, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsJul 20, 2026
EDGAR ↗ - 8-K · Items 1.01, 2.03, 3.02, 7.01, 9.01Material agreement · Direct financial obligation · Unregistered sale of equityJul 20, 2026
EDGAR ↗ - 8-K · Items 5.07Shareholder voteMay 8, 2026
EDGAR ↗
About Magnolia Oil & Gas Corp
From SEC EDGAR company records
Industry (SIC 1311)Crude Petroleum & Natural Gas
SectorEnergy
HeadquartersHOUSTON, TX
IncorporatedDE
SEC CIK0001698990 ↗
Former namesTPG Pace Energy Holdings Corp.



