Magnolia Oil & Gas Corp (MGY) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

182,473,000Shares Outstanding

202,670,997Shares held by institutions

$5,927,113,307Value of institutional holdings

111.07%Institutional ownership %

0.94%Shares Changed QoQ

369No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Magnolia Oil & Gas Corp (NYSE:MGY) is held by 369 institutional investors per 13F filings through December 2025.

These investors collectively held 109.8% of Magnolia Oil & Gas's outstanding shares in December 2025, down from 114.1% in September 2025.
They increased total shares held in Magnolia Oil & Gas by 0.91% from last quarter, and the number of investors in MGY decreased 1.86% annually.
Of these 369 funds, 181 grew their exposure to Magnolia Oil & Gas, 148 cut back, and 40 maintained positions.
Institutional investors collectively held 200.39Mn shares in Magnolia Oil & Gas as of December 2025, up by 1.81Mn shares quarter on quarter, and down 23.19Mn shares year over year.
As of December 31, 2025, Boston Trust Walden Corp held the largest stake in Magnolia Oil & Gas with 3.23Mn shares, accounting for 1.77% of total shares outstanding.
The most significant purchases of MGY for the quarter ending December 2025 came from WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (61.86K), October Effect Ltd (58.68K), WEDGE CAPITAL MANAGEMENT L L P/NC (16.77K), Brucke Financial, Inc. (10.87K), CANANDAIGUA NATIONAL CORP (9.25K).
Leading sellers of Magnolia Oil & Gas shares for the quarter ending December 2025 were Boston Trust Walden Corp (940.18K), STRS OHIO (77.6K), SG Americas Securities, LLC (48.57K), Sterling Capital Management LLC (47.58K), State of Alaska, Department of Revenue (4.0K).
According to Business Quant data, leading holders of MGY for December 2025 are Boston Trust Walden Corp (3.23Mn), Foster Victor Wealth Advisors, LLC (424.27K), MOODY ALDRICH PARTNERS LLC (192.63K), State of Alaska, Department of Revenue (116.27K), Oliver Luxxe Assets LLC (98.41K), CAMPBELL NEWMAN ASSET MANAGEMENT INC (96.83K), WEDGE CAPITAL MANAGEMENT L L P/NC (85.92K), WESBANCO BANK INC (82.14K), Louisiana State Employees Retirement System (80.2K), ALBERT D MASON INC (61.98K).

369 Institutional Holders

202,670,997 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	27,671,647	228,299	0.83%	$605,732,341.00
VANGUARD GROUP INC	31 Dec, 2025	19,644,960	-230,896	-1.16%	$430,028,174.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	11,029,847	-857,808	-7.22%	$241,443,413.00
State Street Corp	31 Dec, 2025	8,800,807	125,707	1.45%	$192,649,665.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	6,634,362	264,649	4.15%	$145,229,795.00
Janus Henderson Group Plc	31 Dec, 2025	6,109,462	-245,757	-3.87%	$133,735,730.00
TD ASSET MANAGEMENT INC	31 Dec, 2025	5,671,819	1,193,458	26.65%	$124,156,118.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	5,534,850	-41,612	-0.75%	$121,159.00
Epoch Investment Partners, Inc.	31 Dec, 2025	5,330,064	1,191,438	28.79%	$116,675,102.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	5,206,612	-18,556	-0.36%	$113,972,737.00
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	31 Dec, 2025	4,959,218	4,959,218	0.00%	$108,557,000.00
ALLIANCEBERNSTEIN L.P.	31 Dec, 2025	4,747,597	88,930	1.91%	$103,924,898.00
Goldman Sachs Group Inc	31 Dec, 2025	4,450,900	1,311,518	41.78%	$97,430,210.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	4,435,901	-85,084	-1.88%	$97,124,152.00
Boston Trust Walden Corp	31 Dec, 2025	4,168,085	225,349	5.72%	$91,239,381.00
VICTORY CAPITAL MANAGEMENT INC	31 Dec, 2025	3,591,921	-366,581	-9.26%	$78,627,151.00
SILVERCREST ASSET MANAGEMENT GROUP LLC	31 Dec, 2025	3,333,105	-257,328	-7.17%	$72,961,707.00
Bank Of America Corp /De/	31 Dec, 2025	3,218,349	-3,261,653	-50.33%	$70,449,648.00
GW&K Investment Management, LLC	31 Dec, 2025	3,169,496	404,402	14.63%	$69,381.00
SYSTEMATIC FINANCIAL MANAGEMENT LP	31 Dec, 2025	2,938,904	-33,447	-1.13%	$64,332,620.00

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