What does CUSIP 559663109 represent in this 13F holders report?

CUSIP 559663109 is the security identifier for MGY - Magnolia Oil & Gas Corp - Common Stock used to aggregate holder disclosures.

How many institutions held MGY - Magnolia Oil & Gas Corp - Common Stock in Q4 2018?

106 institutional investors reported MGY - Magnolia Oil & Gas Corp - Common Stock for Q4 2018. Use the holders table for investor-level position and value details.

Magnolia Oil & Gas Corp - Common Stock (MGY)

CUSIP: 559663109

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / Common Stock
Shares outstanding: 185,662,045
Total 13F shares: 152,461,934
Share change: -874,894
Total reported value: $1,709,091,637
Put/Call ratio: 103%
Price per share: $11.21
Number of holders: 106
Value change: -$30,356,547
Number of buys: 57
Number of sells: 53

Quarterly Holders Quick Answers

What is CUSIP 559663109?
CUSIP 559663109 identifies MGY - Magnolia Oil & Gas Corp - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2019
Previous quarter: Q3 2018

Recent filing periods for CUSIP 559663109:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of MGY - Magnolia Oil & Gas Corp - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
FMR LLC	13F	Company	11%	20,119,900	$302,000,000	—	30 Sep 2018	13F
TPG Group Holdings (SBS) Advisors, Inc.	13F	Company	8.9%	16,558,000	$248,536,000	—	30 Sep 2018	13F
DAVIS SELECTED ADVISERS	13F	Company	6.7%	12,419,690	$186,420,000	—	30 Sep 2018	13F
VANGUARD GROUP INC	13F	Company	4.1%	7,549,098	$113,312,000	—	30 Sep 2018	13F
JANUS HENDERSON GROUP PLC	13F	Company	3.9%	7,198,981	$108,057,000	—	30 Sep 2018	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	3.1%	5,787,482	$86,870,000	—	30 Sep 2018	13F
Capital World Investors	13F	Company	2.2%	4,000,000	$60,040,000	—	30 Sep 2018	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	1.9%	3,477,369	$52,195,000	—	30 Sep 2018	13F
Encompass Capital Advisors LLC	13F	Company	1.8%	3,340,286	$50,138,000	—	30 Sep 2018	13F
Portolan Capital Management, LLC	13F	Company	1.1%	2,110,164	$31,674,000	—	30 Sep 2018	13F
Omega Advisors Inc.	13F	Company	1.1%	2,000,000	$30,020,000	—	30 Sep 2018	13F
ArrowMark Colorado Holdings LLC	13F	Company	1.1%	1,980,140	$29,722,000	—	30 Sep 2018	13F
CARDINAL CAPITAL MANAGEMENT LLC /CT	13F	Company	1.1%	2,042,232	$28,865,000	—	30 Sep 2018	13F
MOORE CAPITAL MANAGEMENT, LP	13F	Company	0.84%	1,564,131	$23,478,000	—	30 Sep 2018	13F
SAMLYN CAPITAL, LLC	13F	Company	0.8%	1,479,408	$22,206,000	—	30 Sep 2018	13F
TD ASSET MANAGEMENT INC	13F	Company	0.8%	1,477,813	$22,182,000	—	30 Sep 2018	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.72%	1,334,785	$20,035,000	—	30 Sep 2018	13F
MARSHALL WACE, LLP	13F	Company	0.62%	1,158,992	$17,396,000	—	30 Sep 2018	13F
ROYAL BANK OF CANADA	13F	Company	0.61%	1,132,981	$17,006,000	—	30 Sep 2018	13F
Point72 Asset Management, L.P.	13F	Company	0.56%	1,046,450	$15,707,000	—	30 Sep 2018	13F
ARDSLEY ADVISORY PARTNERS LP	13F	Company	0.53%	975,000	$14,625,000	—	30 Sep 2018	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	0.5%	924,998	$13,884,000	—	30 Sep 2018	13F
CITADEL ADVISORS LLC	13F	Company	0.49%	902,813	$13,552,000	—	30 Sep 2018	13F
ARROWGRASS CAPITAL PARTNERS (US) LP	13F	Company	0.48%	895,757	$13,445,000	—	30 Sep 2018	13F
Alberta Investment Management Corp	13F	Company	0.45%	827,227	$12,417,000	—	30 Sep 2018	13F
AMICA MUTUAL INSURANCE CO	13F	Company	0.45%	826,529	$12,406,000	—	30 Sep 2018	13F
Rubric Capital Management LP	13F	Company	0.4%	742,477	$11,145,000	—	30 Sep 2018	13F
AMICA PENSION FUND BOARD OF TRUSTEES	13F	Company	0.4%	742,047	$11,138,000	—	30 Sep 2018	13F
Carlson Capital, L.P.	13F	Company	0.35%	658,700	$9,887,000	—	30 Sep 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.35%	656,148	$9,848,000	—	30 Sep 2018	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.32%	599,030	$8,991,000	—	30 Sep 2018	13F
MORGAN STANLEY	13F	Company	0.3%	549,534	$8,249,000	—	30 Sep 2018	13F
NORTHPOINTE CAPITAL LLC	13F	Company	0.27%	501,195	$7,523,000	—	30 Sep 2018	13F
SOROS FUND MANAGEMENT LLC	13F	Company	0.27%	500,000	$7,505,000	—	30 Sep 2018	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.27%	494,875	$7,428,000	—	30 Sep 2018	13F
WADDELL & REED FINANCIAL INC	13F	Company	0.26%	478,875	$7,187,000	—	30 Sep 2018	13F
BRANT POINT INVESTMENT MANAGEMENT LLC	13F	Company	0.24%	449,317	$6,744,000	—	30 Sep 2018	13F
BlueCrest Capital Management Ltd	13F	Company	0.24%	437,709	$6,570,000	—	30 Sep 2018	13F
Elm Ridge Management, LLC	13F	Company	0.22%	399,215	$5,992,000	—	30 Sep 2018	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	0.21%	396,618	$5,953,000	—	30 Sep 2018	13F
Caymus Capital Partners, L.P.	13F	Company	0.2%	378,300	$5,678,000	—	30 Sep 2018	13F
Wildcat Capital Management, LLC	13F	Company	0.2%	368,000	$5,524,000	—	30 Sep 2018	13F
Hartree Partners, LP	13F	Company	0.19%	358,032	$5,374,060	—	30 Sep 2018	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.19%	356,340	$5,349,000	—	30 Sep 2018	13F
UBS Group AG	13F	Company	0.18%	328,632	$4,933,000	—	30 Sep 2018	13F
SG Capital Management LLC	13F	Company	0.17%	322,333	$4,838,000	—	30 Sep 2018	13F
WASATCH ADVISORS LP	13F	Company	0.16%	303,000	$4,548,000	—	30 Sep 2018	13F
ADVENT CAPITAL MANAGEMENT /DE/	13F	Company	0.16%	300,000	$4,503,000	—	30 Sep 2018	13F
BlackRock Finance, Inc.	13F	Company	0.16%	291,998	$4,383,000	—	30 Sep 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.16%	291,064	$4,369,000	—	30 Sep 2018	13F

Institutional Holders of Magnolia Oil & Gas Corp - Common Stock (MGY) as of Q4 2018

As of 31 Dec 2018, Magnolia Oil & Gas Corp - Common Stock (MGY) was held by 106 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 152,461,934 shares. The largest 10 holders included EnerVest, Ltd., FMR LLC, DAVIS SELECTED ADVISERS, TPG Group Holdings (SBS) Advisors, Inc., JANUS HENDERSON GROUP PLC, Vanguard Group Inc, Encompass Capital Advisors LLC, Capital World Investors, SILVERCREST ASSET MANAGEMENT GROUP LLC, and PRICE T ROWE ASSOCIATES INC /MD/. This page lists 106 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

Q4 2018 holders

106

Holder diff

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.