Stocks › MGY

Magnolia Oil & Gas Corp

MGY·NYSE·United States 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
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 MGY by members of U.S. Congress · 13 on record · 4 in the last 12 months
All congressional trades →
PoliticianStockTypeFiledTraded
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA MGYMagnolia Oil & Gas Corp · Stock Sale
$15,001 -
Feb 13, 2026 Jan 9, 2026 Filing ↗
Lisa C. McClainLisa C. McClainHouse · R · MI MGYMagnolia Oil & Gas Corp · Stock Sale
$1,001 - $15,000
Nov 21, 2025 Oct 31, 2025 Filing ↗
Lisa C. McClainLisa C. McClainHouse · R · MI MGYMagnolia Oil & Gas Corp · Stock Purchase
$1,001 - $15,000
Nov 21, 2025 Oct 30, 2025 Filing ↗
Lisa C. McClainLisa C. McClainHouse · R · MI MGYMagnolia Oil & Gas Corp · Stock Sale
$1,001 - $15,000
Nov 21, 2025 Oct 30, 2025 Filing ↗
Lisa C. McClainLisa C. McClainHouse · R · MI MGYMagnolia Oil & Gas Corp · Stock Purchase
$1,001 - $15,000
Sep 12, 2025 Aug 4, 2025 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA MGYMagnolia Oil & Gas Corp · Stock Sale
$1,001 - $15,000
Aug 14, 2025 Jul 7, 2025 Filing ↗
Lisa C. McClainLisa C. McClainHouse · R · MI MGYMagnolia Oil & Gas Corp · Stock Sale
$1,001 - $15,000
Aug 13, 2025 Jun 24, 2025 Filing ↗
Lisa C. McClainLisa C. McClainHouse · R · MI MGYMagnolia Oil & Gas Corp · Stock Purchase
$1,001 - $15,000
Aug 13, 2025 Jun 11, 2025 Filing ↗
Josh GottheimerJosh GottheimerHouse · D · NJ MGYMagnolia Oil & Gas Corp · Stock Sale
$1,001 - $15,000
May 14, 2025 Apr 9, 2025 Filing ↗
Josh GottheimerJosh GottheimerHouse · D · NJ MGYMagnolia Oil & Gas Corp · Stock Sale
$1,001 - $15,000
Oct 16, 2022 Sep 27, 2022 Filing ↗
Josh GottheimerJosh GottheimerHouse · D · NJ MGYMagnolia Oil & Gas Corp · Stock Sale
$1,001 - $15,000
May 16, 2022 Apr 21, 2022 Filing ↗
Josh GottheimerJosh GottheimerHouse · D · NJ MGYMagnolia Oil & Gas Corp · Stock Purchase
$1,001 - $15,000
Apr 21, 2021 Mar 4, 2021 Filing ↗
Josh GottheimerJosh GottheimerHouse · D · NJ MGYMagnolia Oil & Gas Corp · Stock Purchase
$1,001 - $15,000
Apr 21, 2021 Mar 31, 2021 Filing ↗

Whale Activity

Position changes in MGY reported for 2026-06-30 by 11 tracked institutional filers
Increased: 4New: 1Decreased: 4Closed: 1No prior filing: 1
  • Increased4
  • New1
  • Held0
  • Decreased4
  • Closed1
  • No prior filing1
FilerSharesValueChange
BlackRock, Inc.32.0M$817.8Mincreased
VANGUARD PORTFOLIO MANAGEMENT LLC15.3M$392.4Mincreased
VANGUARD CAPITAL MANAGEMENT LLC7.7M$196.0Mincreased
TWO SIGMA INVESTMENTS, LP1.4M$36.2Mdecreased
RENAISSANCE TECHNOLOGIES LLC1.3M$33.2Mdecreased
Point72 Asset Management, L.P.385.6K$9.9Mdecreased
MILLENNIUM MANAGEMENT LLC261.4K$6.7Mdecreased
Planning Project LLC53.4K$1.4M—
D. E. Shaw & Co., Inc.47.3K$1.2Mincreased
Bridgewater Associates, LP42.9K$1.1Mnew
Citadel Advisors LLC0$0closed

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
-500.0K-250.0K0250.0K500.0K2025 Q1: 2,5002025 Q12025 Q2: 11.7K2025 Q22025 Q3: 02025 Q32025 Q4: 4,5002025 Q42026 Q1: -369.9K2026 Q12026 Q2: 862026 Q22026 Q3: 13.1K2026 Q32026 Q4: 02026 Q4

Recent Insider Transactions

379 transactions on record · newest first
All insider activity →
InsiderTypeSharesPriceValueDate
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
FundSharesValue% of fundAs of
iShares Core S&P Small-Cap ETF
iShares Trust
11.1M$285.0M0.26%Jun 30, 2026
Avantis U.S. Small Cap Value ETF
American Century ETF Trust
6.3M$173.1M0.64%May 31, 2026
VANGUARD TOTAL STOCK MARKET INDEX FUND
VANGUARD INDEX FUNDS
5.9M$150.2M0.01%Jun 30, 2026
iShares Russell 2000 ETF
iShares Trust
4.8M$122.2M0.15%Jun 30, 2026
VANGUARD SMALL-CAP INDEX FUND
VANGUARD INDEX FUNDS
4.2M$108.5M0.06%Jun 30, 2026
VANGUARD EQUITY INCOME FUND
VANGUARD FENWAY FUNDS
2.9M$74.6M0.11%Jun 30, 2026
State Street(R) SPDR(R) S&P(R) Oil & Gas Exploration & Production ETF
SPDR SERIES TRUST
2.8M$72.8M2.50%Jun 30, 2026
Janus Henderson Triton Fund
Janus Investment Fund
2.6M$66.7M1.12%Jun 30, 2026
Fidelity Small Cap Index Fund
Fidelity Salem Street Trust
2.5M$65.2M0.19%Jul 31, 2026
T. Rowe Price Small-Cap Value Fund, Inc.2.2M$56.1M0.53%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
Former namesTPG Pace Energy Holdings Corp.