MGYMagnolia Oil & Gas Corporation

$24.09+2.2% 1Y

Who owns MGY

403 institutions reported holding MGY for 2026Q2, together 112% of the company, more than the 396 a quarter earlier.

403

Institutions reporting a position · as of 2026Q2 · up from 396 the quarter before

Shares held by institutions
204.5M

Shares held by institutions · 112% of the company · long US equity positions only, as reported on Form 13F

Reported value
$5.26B

Reported value · at Jun 30, 2026 prices, not today's

Opened vs closed
59 / 52

Opened vs closed · new positions against positions exited in the latest quarter

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
33
New positions
59
Positions exited
52
Added to
146
Reduced
133
Shares sold shortsettled Sep 15, 2026
25.1M
Short interestof shares outstanding
14%
Days to coverat the average daily volume
6.4
Change in the short positionsince the Aug 31, 2026 count
+7.8%
Institutional ownership by quarter, 2018Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q2403204.5M$5.26B
2026Q1396202.6M$6.35B
2025Q4371198.5M$4.35B
2025Q3369204.6M$4.88B
2025Q2377213.6M$4.81B
2025Q1403215.3M$5.44B
2024Q4379219.8M$5.14B
2024Q3365222.1M$5.43B
2024Q2345220.6M$5.59B
2024Q1322222.4M$5.77B
2023Q4294196.2M$4.18B
2023Q3286191.9M$4.40B
2023Q2279198.8M$4.14B
2023Q1275199.5M$4.36B
2022Q4293193.3M$4.53B
2022Q3278191.8M$3.80B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.32.0Mn/a$818M
VANGUARD GROUP INC24.6Mn/a$630M
AMERICAN CENTURY COMPANIES INC11.0Mn/a$282M
STATE STREET CORP9.9Mn/a$254M
DIMENSIONAL FUND ADVISORS LP7.1Mn/a$182M
Jupiter Topco LLC6.4Mn/a$164M
ARROWSTREET CAPITAL LIMITED PARTNERSHIP5.5Mn/a$140M
T. Rowe Price Investment Management, Inc.5.2Mn/a$133M
GEODE CAPITAL MANAGEMENT LLC4.8Mn/a$123M
NOMURA HOLDINGS INC4.3Mn/a$110M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 202625.1M14%6.4
Aug 31, 202623.3M13%7.7
Aug 14, 202621.4M12%5.6
Jul 31, 202621.5M12%2.2
Jul 15, 202621.0M11%10.1
Jun 30, 202619.9M11%4.5
Jun 15, 202619.8M11%8.9
May 29, 202619.7M11%9.7
May 15, 202619.7M11%7.3
Apr 30, 202618.7M10%9.5
Apr 15, 202619.3M11%8.0
Mar 31, 202620.8M11%7.3

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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