RHUMBLINE ADVISERS

Position in MGY — Magnolia Oil & Gas Corp

CIK 1115418 BOSTON, MA

Position in MGY

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$18,224,382

+$5,717,837 QoQ

Shares Held

577,269

+1.0% QoQ

Ownership

0.312%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 50.66667359584527.ToString("F0")% Shared 0.ToString("F0")% None 49.33332640415474.ToString("F0")%

Energy · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $1,203,986,052 across 47 Oil & Gas E&P names. MGY ranks #18 (1.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	COP	Conocophillips	2,097,281	$276,841,092
2	EOG	Eog Resources Inc	1,041,985	$150,639,771
3	OXY	Occidental Petroleum Corp /De/	1,212,335	$78,801,775
4	FANG	Diamondback Energy, Inc.	358,418	$70,891,496
5	EQT	EQT Corp	1,067,750	$67,951,610
6	DVN	Devon Energy Corp/De	1,138,775	$57,303,158
7	TPL	Texas Pacific Land Corp	119,098	$56,519,146
8	CTRA	Coterra Energy Inc.	1,522,397	$53,497,030

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$18,224,382	577,269	+1.0%	Shares	Sole	2026-05-12
2025-12-31	$12,506,545	571,336	-1.2%	Shares	Sole	2026-02-13
2025-09-30	$13,805,572	578,365	-1.0%	Shares	Sole	2025-11-06
2025-06-30	$13,133,602	584,235	+11.2%	Shares	Sole	2025-08-12
2025-03-31	$13,271,881	525,411	-2.6%	Shares	Sole	2025-05-29
2024-12-31	$12,611,966	539,434	+1.6%	Shares	Sole	2025-05-29
2024-09-30	$12,970,096	531,126	-1.3%	Shares	Sole	2024-11-12
2024-06-30	$13,631,348	537,938	-1.3%	Shares	Sole	2024-08-01
2024-03-31	$14,141,478	544,951	+89.6%	Shares	Sole	2024-05-09
2023-12-31	$6,119,916	287,455	-2.5%	Shares	Sole	2024-02-08
2023-09-30	$6,755,677	294,879	+1.0%	Shares	Sole	2023-11-09
2023-06-30	$6,100,083	291,870	+12.1%	Shares	Sole	2023-08-08
2023-03-31	$5,696,042	260,331	+2.3%	Shares	Sole	2023-05-11
2022-12-31	$5,965,046	254,373	+6.3%	Shares	Sole	2023-02-14
2022-09-30	$4,740,552	239,301	+11.5%	Shares	Sole	2022-11-10
2022-06-30	$4,503,488	214,554	+30.0%	Shares	Sole	2022-08-11
2022-03-31	$3,902,604	165,015	+3.5%	Shares	Sole	2022-05-12
2021-12-31	$3,008,312	159,423	+1.8%	Shares	Sole	2022-02-10
2021-09-30	$2,787,301	156,678	+4.0%	Shares	Sole	2021-11-12
2021-06-30	$2,355,753	150,720	+1.4%	Shares	Sole	2021-08-05
2021-03-31	$1,705,813	148,590	-8.7%	Shares	Sole	2021-05-06
2020-12-31	$1,148,810	162,721	+6.0%	Shares	Sole	2021-02-10
2020-09-30	$793,424	153,467	-12.6%	Shares	Sole	2020-11-12
2020-06-30	$1,063,584	175,509	-0.7%	Shares	Sole	2020-08-13
2020-03-31	$706,912	176,728	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.