Parallax Volatility Advisers, L.P.

Position in WMB — Williams Companies, Inc.

CIK 1521001 San Francisco, CA

Back to WMB Full portfolio

Position in WMB

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

Position Value

$15,220,148

+$15,220,003 QoQ

Shares Held

204,737

+10236750.0% QoQ

Ownership

0.017%

of shares outstanding

% of Portfolio

0.75%

of 13F equity value

Holder Rank

#316

of 1,827 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in WMB Over Time

Shares Held

Position Value (USD)

Derivatives in WMB

reported options exposure · as of Jun 30, 2026

CallValue

$74,340

CallShares

1,000

PutValue

$46,135,404

PutShares

620,600

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 Midstream

Energy · as of Jun 30, 2026

Parallax Volatility Advisers, L.P. holds $18,372,380 across 5 Oil & Gas Midstream names. WMB ranks #1 (82.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WMB	Williams Companies, Inc. This page	204,737	$15,220,148
2	GLNG	Golar Lng Ltd	25,000	$1,246,000
3	KMI	Kinder Morgan, Inc.	35,575	$1,137,332
4	AM	Antero Midstream Corp	18,634	$423,923
5	OKE	Oneok Inc /New/	3,968	$344,977

All Filings in WMB

Export CSV

50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$46,135,404	620,600	+256.9%	Put	Sole	2026-08-14
2026-06-30	$74,340	1,000	-99.3%	Call	Sole	2026-08-14
2026-06-30	$15,220,148	204,737	+10236750.0%	Shares	Sole	2026-08-14
2026-03-31	$10,487,598	144,100	+6.7%	Call	Sole	2026-05-15
2026-03-31	$145	2	-100.0%	Shares	Sole	2026-05-15
2026-03-31	$12,656,442	173,900	+893.7%	Put	Sole	2026-05-15
2025-12-31	$8,114,850	135,000	+134900.0%	Call	Sole	2026-02-17
2025-12-31	$1,051,925	17,500	-77.4%	Put	Sole	2026-02-17
2025-09-30	$1,676,557	26,465	-27.8%	Shares	Sole	2025-11-14
2025-09-30	$4,909,625	77,500	+335.4%	Put	Sole	2025-11-14
2025-06-30	$2,301,107	36,636	+34.5%	Shares	Sole	2025-08-14
2025-06-30	$1,118,018	17,800	+1877.8%	Put	Sole	2025-08-14
2025-03-31	$53,784	900	-88.0%	Put	Sole	2025-05-15
2025-03-31	$1,627,922	27,241	-18.2%	Shares	Sole	2025-05-15
2024-12-31	$1,801,600	33,289	-70.8%	Shares	Sole	2025-02-14
2024-12-31	$5,412	100	-99.9%	Call	Sole	2025-02-14
2024-12-31	$405,900	7,500	-79.7%	Put	Sole	2025-02-14
2024-09-30	$3,072,245	67,300	-47.3%	Call	Sole	2024-11-14
2024-06-30	$5,423,000	127,600	+156.7%	Call	Sole	2024-08-14
2024-03-31	$1,936,809	49,700	-72.2%	Call	Sole	2024-05-15
2024-03-31	$4,443,320	114,019	-1.1%	Shares	Sole	2024-05-15
2023-12-31	$6,231,087	178,900	-56.3%	Call	Sole	2024-02-14
2023-12-31	$1,285,227	36,900	-6.1%	Put	Sole	2024-02-14
2023-09-30	$13,802,793	409,700	-63.4%	Call	Sole	2023-11-14
2023-09-30	$1,324,017	39,300	-27.0%	Put	Sole	2023-11-14
2023-06-30	$36,486,866	1,118,200	+5053.0%	Call	Sole	2023-08-14
2023-06-30	$1,755,494	53,800	+5280.0%	Put	Sole	2023-08-14
2023-03-31	$29,860	1,000	-99.6%	Put	Sole	2023-05-15
2023-03-31	$647,962	21,700	-80.0%	Call	Sole	2023-05-15
2022-12-31	$8,606,640	261,600	+2977.6%	Put	Sole	2023-02-27
2022-12-31	$3,791,856	115,254	+419.8%	Shares	Sole	2023-02-27
2022-12-31	$3,563,070	108,300	+377.1%	Call	Sole	2023-02-27
2022-09-30	$649,901	22,700	-61.1%	Call	Sole	2022-11-21
2022-09-30	$243,355	8,500	-55.7%	Put	Sole	2022-11-21
2022-06-30	$599,232	19,200	+62.7%	Put	Sole	2022-08-17
2022-06-30	$1,822,664	58,400	-46.1%	Call	Sole	2022-08-17
2022-03-31	$394,238	11,800	-97.1%	Put	Sole	2022-05-16
2022-03-31	$3,621,644	108,400	-61.2%	Call	Sole	2022-05-16
2021-12-31	$7,272,972	279,300	-72.5%	Call	Sole	2022-02-14
2021-12-31	$577,358	22,172	+45.1%	Shares	Sole	2022-02-14
2021-12-31	$10,634,736	408,400	+29.8%	Put	Sole	2022-02-14
2021-09-30	$8,160,724	314,600	-39.8%	Put	Sole	2021-11-15
2021-09-30	$26,380,980	1,017,000	-38.9%	Call	Sole	2021-11-15
2021-06-30	$13,885,650	523,000	-39.1%	Put	Sole	2021-08-16
2021-06-30	$44,163,270	1,663,400	-33.8%	Call	Sole	2021-08-16
2021-03-31	$59,516,387	2,512,300	—	Call	Sole	2021-05-14
2021-03-31	$20,337,865	858,500	+8.2%	Put	Sole	2021-05-14
2021-03-31	$361,959	15,279	-81.8%	Shares	Sole	2021-05-14
2020-12-31	$1,683,257	83,953	—	Shares	Sole	2021-02-16
2020-12-31	$15,901,655	793,100	—	Put	Sole	2021-02-16
No filing history on record for this holder in this stock.