Magnolia Oil & Gas Corporation (MGY)
NYSE: MGY · Crude Petroleum & Natural Gas · Houston, TX · filing with the SEC since 2017
Grade6.5
◀ Past 6.8● Present 7.3▶ Future 5.0
Who owns Magnolia Oil & Gas Corporation
As filed with the SECHolders of 5% or more
4
Blackrock, Inc. holds 14.4% of Class A Stock, as its SCHEDULE 13G/A filed Apr 30, 2025 says.
Directors and officers
10
report now, of 31 people on the record since 2017. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Apr 30, 2025 · Class A Stock
WildFire Energy I LLC
SCHEDULE 13G · filed Sep 16, 2026 · Class A Common Stock, par value $0.0001
Vanguard Portfolio Management
SCHEDULE 13G/A · filed Jul 31, 2026 · Common Stock · 7.04% in Apr 29, 2026
State Street Corporation
SCHEDULE 13G · filed May 12, 2026 · COMMON STOCK · 4.7% in Nov 10, 2025
First Trust Portfolios L.P.
SCHEDULE 13G/A · filed Apr 7, 2025 · Common · reported falling below 5%, from 10% in Mar 7, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What MGY reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Magnolia LLC
An entity · legal entity · owns, named in the 10-K filed Feb 12, 2026
5 subsidiaries in 1 country, from the list filed with the 10-K filed Feb 12, 2026.
Insider tradesForm 4
7sales
5purchases
0sales on a scheduled plan
7people selling
$10.8Msold, in dollars
$400,000bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window9 of 36 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Yang Timothy D. | EVP, CHIEF LEGAL & COMM & SEC | 1 | $4.4M | 0 | 0 | $0 |
| Stavros Christopher G | CEO & CHAIRMAN | 1 | $3.5M | 0 | 0 | $0 |
| Corales Brian | SVP & CHIEF FINANCIAL OFFICER | 1 | $1.0M | 0 | 0 | $0 |
| Acosta Arcilia | director | 1 | $600,000 | 0 | 0 | $0 |
| Djerejian Edward P | director | 1 | $500,000 | 0 | 0 | $0 |
| Smith Dan F | director | 1 | $500,000 | 0 | 0 | $0 |
| Szabo Shandell | director | 1 | $400,000 | 0 | 1 | $0 |
| Khani David M. | director | 0 | $0 | 0 | 2 | $200,000 |
| Ropp Ralph Lewis | director | 0 | $0 | 0 | 2 | $200,000 |