Parallax Volatility Advisers, L.P.

Position in MPC — Marathon Petroleum Corp

CIK 1521001 San Francisco, CA

Back to MPC Full portfolio

Position in MPC

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$767

-$1,836,687 QoQ

Shares Held

-100.0% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#1,911

of 1,926 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in MPC Over Time

Shares Held

Position Value (USD)

Derivatives in MPC

reported options exposure · as of Jun 30, 2026

CallValue

$12,783,500

CallShares

50,000

PutValue

PutShares

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 Refining & Marketing

Energy · as of Jun 30, 2026

Parallax Volatility Advisers, L.P. holds $10,944,875 across 5 Oil & Gas Refining & Marketing names. MPC ranks #5 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VLO	Valero Energy Corp/Tx	27,597	$7,187,362
2	DINO	HF Sinclair Corp	32,079	$2,234,302
3	PBF	PBF Energy Inc.	25,903	$1,179,104
4	PSX	Phillips 66	2,031	$343,340
5	MPC	Marathon Petroleum Corp This page	3	$767

All Filings in MPC

Export CSV

50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$767	3	-100.0%	Shares	Sole	2026-08-14
2026-06-30	$12,783,500	50,000	+49900.0%	Call	Sole	2026-08-14
2026-03-31	$317,434	1,300	-93.6%	Put	Sole	2026-05-15
2026-03-31	$1,837,454	7,525	-36.2%	Shares	Sole	2026-05-15
2026-03-31	$24,418	100	-99.6%	Call	Sole	2026-05-15
2025-12-31	$3,301,389	20,300	+163.6%	Put	Sole	2026-02-17
2025-12-31	$4,325,958	26,600	+1300.0%	Call	Sole	2026-02-17
2025-12-31	$1,918,546	11,797	+3280.2%	Shares	Sole	2026-02-17
2025-09-30	$67,266	349	-99.2%	Shares	Sole	2025-11-14
2025-09-30	$366,206	1,900	-91.4%	Call	Sole	2025-11-14
2025-09-30	$1,484,098	7,700	-42.5%	Put	Sole	2025-11-14
2025-06-30	$2,225,874	13,400	+143.6%	Put	Sole	2025-08-14
2025-06-30	$7,055,190	42,473	+122.3%	Shares	Sole	2025-08-14
2025-06-30	$3,671,031	22,100	-54.3%	Call	Sole	2025-08-14
2025-03-31	$2,782,970	19,102	+238675.0%	Shares	Sole	2025-05-15
2025-03-31	$801,295	5,500	+120.0%	Put	Sole	2025-05-15
2024-12-31	$1,116	8	-99.9%	Shares	Sole	2025-02-14
2024-12-31	$6,751,800	48,400	+94.4%	Call	Sole	2025-02-14
2024-09-30	$1,957,363	12,015	-6.0%	Shares	Sole	2024-11-14
2024-09-30	$407,275	2,500	-90.5%	Put	Sole	2024-11-14
2024-09-30	$4,056,459	24,900	+329.3%	Call	Sole	2024-11-14
2024-06-30	$1,006,184	5,800	-79.9%	Call	Sole	2024-08-14
2024-06-30	$4,562,524	26,300	+250.7%	Put	Sole	2024-08-14
2024-06-30	$2,217,074	12,780	-43.0%	Shares	Sole	2024-08-14
2024-03-31	$4,520,854	22,436	-74.1%	Shares	Sole	2024-05-15
2024-03-31	$5,803,200	28,800	-88.8%	Call	Sole	2024-05-15
2024-03-31	$1,511,250	7,500	-81.5%	Put	Sole	2024-05-15
2023-12-31	$38,069,176	256,600	+60.6%	Call	Sole	2024-02-14
2023-12-31	$6,008,580	40,500	-46.2%	Put	Sole	2024-02-14
2023-12-31	$12,832,101	86,493	+18.3%	Shares	Sole	2024-02-14
2023-09-30	$11,065,980	73,120	+30366.7%	Shares	Sole	2023-11-14
2023-09-30	$11,395,902	75,300	-48.8%	Put	Sole	2023-11-14
2023-09-30	$24,184,132	159,800	+2285.1%	Call	Sole	2023-11-14
2023-06-30	$781,220	6,700	-77.4%	Call	Sole	2023-08-14
2023-06-30	$27,984	240	-99.5%	Shares	Sole	2023-08-14
2023-06-30	$17,151,860	147,100	+252.8%	Put	Sole	2023-08-14
2023-03-31	$5,622,411	41,700	-67.9%	Put	Sole	2023-05-15
2023-03-31	$6,657,770	49,379	-61.3%	Shares	Sole	2023-05-15
2023-03-31	$3,990,968	29,600	-83.9%	Call	Sole	2023-05-15
2022-12-31	$15,142,339	130,100	-19.3%	Put	Sole	2023-02-27
2022-12-31	$21,439,038	184,200	-20.1%	Call	Sole	2023-02-27
2022-09-30	$16,011,996	161,200	-78.8%	Put	Sole	2022-11-21
2022-09-30	$22,905,498	230,600	-63.2%	Call	Sole	2022-11-21
2022-06-30	$62,405,611	759,100	+48.8%	Put	Sole	2022-08-17
2022-06-30	$51,545,670	627,000	+3.3%	Call	Sole	2022-08-17
2022-06-30	$10,497,723	127,694	—	Shares	Sole	2022-08-17
2022-03-31	$51,915,600	607,200	+21.4%	Call	Sole	2022-05-16
2022-03-31	$43,630,650	510,300	+59.5%	Put	Sole	2022-05-16
2021-12-31	$31,995,000	500,000	—	Call	Sole	2022-02-14
2021-12-31	$20,476,800	320,000	—	Put	Sole	2022-02-14
No filing history on record for this holder in this stock.