JANE STREET GROUP, LLC

Position in MGY — Magnolia Oil & Gas Corp

CIK 1595888 NEW YORK, NY

Back to MGY Full portfolio

Position in MGY

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

Position Value

$8,769,198

+$848,018 QoQ

Shares Held

277,770

-23.2% QoQ

Ownership

0.150%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MGY Over Time

Shares Held

Position Value (USD)

Derivatives in MGY

reported options exposure · as of Mar 31, 2026

CallValue

$435,666

CallShares

13,800

PutValue

$3,254,867

PutShares

103,100

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Oil & Gas E&P

Energy · as of Mar 31, 2026

JANE STREET GROUP, LLC holds $1,136,429,629 across 59 Oil & Gas E&P names. MGY ranks #16 (0.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	FANG	Diamondback Energy, Inc.	1,863,702	$368,621,618
2	EQT	EQT Corp	4,069,954	$259,011,871
3	CNQ	CANADIAN NATURAL RESOURCES Ltd	2,116,751	$103,149,275
4	APA	APA Corp	1,896,259	$80,477,231
5	EXE	EXPAND ENERGY Corp	448,866	$49,276,508
6	BTE	Baytex Energy Corp.	8,972,358	$40,106,438
7	TPL	Texas Pacific Land Corp	69,083	$32,784,027
8	KOS	Kosmos Energy Ltd.	11,743,115	$32,645,859

All Filings in MGY

Export CSV

39 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$435,666	13,800	-86.6%	Call	Defined	2026-05-12
2026-03-31	$3,254,867	103,100	-62.9%	Put	Defined	2026-05-12
2026-03-31	$8,769,198	277,770	-23.2%	Shares	Defined	2026-05-12
2025-12-31	$7,921,180	361,863	-38.6%	Shares	Defined	2026-02-12
2025-09-30	$14,060,025	589,025	-17.4%	Shares	Defined	2025-11-14
2025-06-30	$16,034,511	713,279	-32.7%	Shares	Defined	2025-08-14
2025-03-31	$26,758,800	1,059,335	+1382.9%	Shares	Defined	2025-05-19
2024-12-31	$1,670,242	71,439	-18.5%	Shares	Defined	2025-02-14
2024-09-30	$2,141,072	87,677	-76.6%	Shares	Defined	2024-11-15
2024-06-30	$9,506,731	375,167	+345.9%	Shares	Defined	2024-08-15
2024-03-31	$2,183,458	84,141	-23.2%	Shares	Defined	2024-05-16
2023-12-31	$2,332,744	109,570	+97.6%	Shares	Defined	2024-02-15
2023-09-30	$1,270,565	55,459	+61.7%	Shares	Defined	2023-11-15
2023-06-30	$716,827	34,298	-97.2%	Shares	Defined	2023-08-14
2023-03-31	$26,664,061	1,218,650	+12574.5%	Shares	Defined	2023-05-16
2022-12-31	$225,471	9,615	-80.3%	Shares	Defined	2023-02-15
2022-09-30	$967,678	48,848	-81.6%	Shares	Defined	2022-11-15
2022-06-30	$5,566,568	265,201	+320.3%	Shares	Defined	2022-08-16
2022-03-31	$1,492,315	63,100	+170.1%	Put	Defined	2022-05-17
2022-03-31	$552,510	23,362	-16.3%	Shares	Defined	2022-05-17
2022-03-31	$659,835	27,900	+99.3%	Call	Defined	2022-05-17
2021-12-31	$264,180	14,000	-91.7%	Call	Defined	2022-02-15
2021-12-31	$3,170,160	168,000	+162.8%	Put	Defined	2022-02-15
2021-12-31	$1,206,226	63,923	+271.6%	Shares	Defined	2022-02-15
2021-09-30	$305,988	17,200	-89.3%	Call	Defined	2021-11-16
2021-09-30	$2,865,969	161,100	+331.1%	Put	Defined	2021-11-16
2021-09-30	$664,811	37,370	-15.7%	Shares	Defined	2021-11-16
2021-06-30	$693,205	44,351	+71.2%	Shares	Defined	2021-08-16
2021-06-30	$404,817	25,900	-53.4%	Call	Defined	2021-08-16
2021-06-30	$869,028	55,600	+302.9%	Put	Defined	2021-08-16
2021-03-31	$158,424	13,800	-36.4%	Put	Defined	2021-05-18
2021-03-31	$249,116	21,700	-56.9%	Call	Defined	2021-05-18
2021-03-31	$578,614	50,402	+186.4%	Shares	Defined	2021-05-18
2020-12-31	$124,256	17,600	-56.1%	Put	Defined	2021-02-17
2020-12-31	$283,106	40,100	-27.0%	Call	Defined	2021-02-17
2020-12-31	$387,784	54,927	+335.9%	Shares	Defined	2021-02-17
2020-09-30	$65,142	12,600	-59.3%	Put	Defined	2020-11-17
2020-09-30	$160,212	30,989	+74.7%	Shares	Defined	2020-11-17
2020-03-31	$70,964	17,741	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.