Parallax Volatility Advisers, L.P.

Position in FANG — Diamondback Energy, Inc.

CIK 1521001 San Francisco, CA

Back to FANG Full portfolio

Position in FANG

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

Position Value

$476,012

-$3,138,006 QoQ

Shares Held

2,708

-85.2% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#708

of 1,186 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in FANG Over Time

Shares Held

Position Value (USD)

Derivatives in FANG

reported options exposure · as of Jun 30, 2026

CallValue

$17,578

CallShares

100

PutValue

$3,515,600

PutShares

20,000

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 Jun 30, 2026

Parallax Volatility Advisers, L.P. holds $36,109,970 across 10 Oil & Gas E&P names. FANG ranks #7 (1.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	OXY	Occidental Petroleum Corp /De/	305,254	$14,826,186
2	DVN	Devon Energy Corp/De	231,221	$9,554,051
3	RRC	Range Resources Corp	200,708	$7,464,330
4	APA	APA Corp	71,177	$2,318,234
5	EOG	Eog Resources Inc	6,143	$796,931
6	CRK	Comstock Resources Inc	43,135	$643,574
7	FANG	Diamondback Energy, Inc. This page	2,708	$476,012
8	EXE	EXPAND ENERGY Corp	323	$29,454

All Filings in FANG

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$476,012	2,708	-85.2%	Shares	Sole	2026-08-14
2026-06-30	$17,578	100	-99.9%	Call	Sole	2026-08-14
2026-06-30	$3,515,600	20,000	-71.4%	Put	Sole	2026-08-14
2026-03-31	$17,089,056	86,400	+15.5%	Call	Sole	2026-05-15
2026-03-31	$13,845,300	70,000	+276.3%	Put	Sole	2026-05-15
2026-03-31	$3,614,018	18,272	+5258.4%	Shares	Sole	2026-05-15
2025-12-31	$11,244,684	74,800	+823.5%	Call	Sole	2026-02-17
2025-12-31	$2,796,138	18,600	+7.5%	Put	Sole	2026-02-17
2025-12-31	$51,262	341	+16950.0%	Shares	Sole	2026-02-17
2025-09-30	$286	2	-33.3%	Shares	Sole	2025-11-14
2025-09-30	$2,475,630	17,300	-30.8%	Put	Sole	2025-11-14
2025-06-30	$3,435,000	25,000	-45.2%	Put	Sole	2025-08-14
2025-06-30	$1,112,940	8,100	+200.0%	Call	Sole	2025-08-14
2025-03-31	$479	3	-100.0%	Shares	Sole	2025-05-15
2025-03-31	$431,676	2,700	-93.1%	Call	Sole	2025-05-15
2025-03-31	$7,290,528	45,600	+65.8%	Put	Sole	2025-05-15
2024-12-31	$4,505,325	27,500	0.0%	Put	Sole	2025-02-14
2024-12-31	$6,389,370	39,000	+41.8%	Call	Sole	2025-02-14
2024-09-30	$4,741,000	27,500	-5.8%	Call	Sole	2024-11-14
2024-09-30	$4,741,000	27,500	-3.5%	Put	Sole	2024-11-14
2024-06-30	$5,845,548	29,200	+6.2%	Call	Sole	2024-08-14
2024-06-30	$5,705,415	28,500	+3.6%	Put	Sole	2024-08-14
2024-03-31	$5,449,675	27,500	-44.2%	Call	Sole	2024-05-15
2024-03-31	$5,449,675	27,500	-59.0%	Put	Sole	2024-05-15
2023-12-31	$10,405,868	67,100	-87.7%	Put	Sole	2024-02-14
2023-12-31	$7,645,444	49,300	-82.4%	Call	Sole	2024-02-14
2023-09-30	$84,254,720	544,000	+7251.4%	Put	Sole	2023-11-14
2023-09-30	$43,335,424	279,800	+440.2%	Call	Sole	2023-11-14
2023-06-30	$6,804,448	51,800	-35.5%	Call	Sole	2023-08-14
2023-06-30	$972,064	7,400	-96.7%	Put	Sole	2023-08-14
2023-03-31	$10,854,151	80,300	-89.9%	Call	Sole	2023-05-15
2023-03-31	$30,237,529	223,700	-66.4%	Put	Sole	2023-05-15
2023-03-31	$2,354,661	17,420	-73.5%	Shares	Sole	2023-05-15
2022-12-31	$108,466,540	793,000	-61.0%	Call	Sole	2023-02-27
2022-12-31	$91,068,124	665,800	+19.5%	Put	Sole	2023-02-27
2022-12-31	$9,001,491	65,810	+25.3%	Shares	Sole	2023-02-27
2022-09-30	$67,108,266	557,100	+0.2%	Put	Sole	2022-11-21
2022-09-30	$245,208,376	2,035,600	+37.1%	Call	Sole	2022-11-21
2022-09-30	$6,325,475	52,511	-55.4%	Shares	Sole	2022-11-21
2022-06-30	$14,262,383	117,725	—	Shares	Sole	2022-08-17
2022-06-30	$67,335,170	555,800	+63.1%	Put	Sole	2022-08-17
2022-06-30	$179,859,290	1,484,600	+64.4%	Call	Sole	2022-08-17
2022-03-31	$46,703,156	340,700	+74.9%	Put	Sole	2022-05-16
2022-03-31	$123,755,824	902,800	-34.6%	Call	Sole	2022-05-16
2021-12-31	$148,962,420	1,381,200	-10.9%	Call	Sole	2022-02-14
2021-12-31	$21,009,180	194,800	-51.8%	Put	Sole	2022-02-14
2021-09-30	$38,237,213	403,900	+10.3%	Put	Sole	2021-11-15
2021-09-30	$146,823,703	1,550,900	+27.9%	Call	Sole	2021-11-15
2021-06-30	$113,888,570	1,213,000	—	Call	Sole	2021-08-16
2021-06-30	$34,373,129	366,100	—	Put	Sole	2021-08-16
No filing history on record for this holder in this stock.