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MGYEnergyCommon Stock

Magnolia Oil & Gas Corp (Class A)

Held by 10 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 559663109 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

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In plain English: 10 of the investors we track own this stock. In the latest quarter, 4 of them bought more of it and 7 sold some or all of theirs (1 bought it for the first time). That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
10
-1 vs last quarter (like-for-like)
Total value held
$120.71M
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.0%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
-$104.36M
-46.4% vs last quarter
Net shares bought
-2.4M
Est. net flow -$63.98M
Quarter activity
4 bought · 7 sold
1 new · 2 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns MGY?

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Who owns MGY? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↓ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
1 Two Sigma Two Sigma Investments 1.42M $36.24M 0.0% Reduced -277.1K -16.4% -$7.09M
2 Jim Simons Renaissance Technologies 1.30M $33.17M 0.0% Reduced -404.9K -23.8% -$10.36M
3 Barrow Hanley Barrow Hanley Mewhinney & Strauss 515.96K $13.20M 0.0% Added +134.1K +35.1% +$3.43M
4 Diamond Hill Diamond Hill Capital Management 468.70K $11.99M 0.1% Added +143.7K +44.2% +$3.68M
5 Steve Cohen Point72 Asset Management 385.56K $9.86M 0.0% Reduced -307.0K -44.3% -$7.85M
6 Israel Englander Millennium Management 261.43K $6.69M 0.0% Reduced -337.6K -56.4% -$8.64M
7 Fred Alger Fred Alger Management 171.14K $4.38M 0.0% Reduced -1.0M -85.7% -$26.20M
8 Bridgeway Bridgeway Capital Management 112.50K $2.88M 0.1% Held 0 0.0% $0
9 David Shaw D.E. Shaw & Co. 47.34K $1.21M 0.0% Added +8.3K +21.2% +$211.90K
10 Ray Dalio Bridgewater Associates 42.88K $1.10M 0.0% New +42.9K — +$1.10M

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Manager Fund Shares sold Value last quarter ↓
Ken Griffin Citadel Advisors -364.2K $11.50M
Chuck Royce Royce & Associates -24.1K $760.52K

Politician trades

Politician trades in MGY

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Politician Date Ticker Asset Type Reported range ⓘThe dollar range the politician reported. Exact amounts are not disclosed. Est. size ⓘOur estimate only: the midpoint of the reported range. Owner Account ⓘSubholding Of: the account the trade was in, as named on the report (e.g. an IRA or a brokerage account). The same stock bought on the same day in different accounts is a separate trade in each account. Filed ↓ Filing delay ⓘDays between the trade and the report. Over 45 days is late under the STOCK Act. Source
Gil Cisneros Politician Jan 9, 2026 MGY Magnolia Oil & Gas Corporation Class Sale $15,001 - $50,000 Est. $32,500 (midpoint of reported range $15,001–$50,000) Self — Feb 13, 2026 35 days PTR ↗
Lisa McClain Politician Oct 30, 2025 MGY Magnolia Oil & Gas Corporation Class A Common Stock (MGY) [ST] Sale $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Spouse Charles Schwab Brokerage Account 924 Nov 21, 2025 22 days PTR ↗
Lisa McClain Politician Oct 30, 2025 MGY Magnolia Oil & Gas Corporation Class A Common Stock (MGY) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Spouse Charles Schwab 401K > Schwab 893 Nov 21, 2025 22 days PTR ↗
Lisa McClain Politician Oct 31, 2025 MGY Magnolia Oil & Gas Corporation Class A Common Stock (MGY) [ST] Sale $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Spouse Charles Schwab 401K > Schwab 893 Nov 21, 2025 21 days PTR ↗
Lisa McClain Politician Aug 4, 2025 MGY Magnolia Oil & Gas Corporation Class A Common Stock (MGY) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Spouse Charles Schwab Brokerage Account 924 Sep 12, 2025 39 days PTR ↗
Gil Cisneros Politician Jul 7, 2025 MGY Magnolia Oil & Gas Corporation Class A Common Stock (MGY) [ST] Sale (partial) $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self 150 Main Street Trust > Bank of America Aug 14, 2025 38 days PTR ↗
Lisa McClain Politician Jun 11, 2025 MGY Magnolia Oil & Gas Corporation Class A Common Stock (MGY) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Spouse Charles Schwab Brokerage Account 924 Aug 13, 2025 63 days Late PTR ↗
Lisa McClain Politician Jun 24, 2025 MGY Magnolia Oil & Gas Corporation Class A Common Stock (MGY) [ST] Sale $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Spouse Charles Schwab Brokerage Account 924 Aug 13, 2025 50 days Late PTR ↗
Josh Gottheimer Politician Apr 9, 2025 MGY Magnolia Oil & Gas Corporation Class A Common Stock (MGY) [ST] Sale (partial) $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Joint Morgan Stanley - Select UMA Account # 1 May 14, 2025 35 days PTR ↗