Parallax Volatility Advisers, L.P.

Position in HAL — Halliburton Co

CIK 1521001 San Francisco, CA

Back to HAL Full portfolio

Position in HAL

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

Position Value

$1,648,136

+$1,648,020 QoQ

Shares Held

48,546

+1618100.0% QoQ

Ownership

0.006%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

#462

of 1,195 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in HAL Over Time

Shares Held

Position Value (USD)

Derivatives in HAL

reported options exposure · as of Jun 30, 2026

CallValue

$31,003,140

CallShares

913,200

PutValue

$12,592,055

PutShares

370,900

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 Equipment & Services

Energy · as of Jun 30, 2026

Parallax Volatility Advisers, L.P. holds $1,708,612 across 3 Oil & Gas Equipment & Services names. HAL ranks #1 (96.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HAL	Halliburton Co This page	48,546	$1,648,136
2	BKR	Baker Hughes Co	1,088	$60,384
3	SLB	Slb Limited/Nv	2	$92

All Filings in HAL

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,648,136	48,546	+1618100.0%	Shares	Sole	2026-08-14
2026-06-30	$31,003,140	913,200	-38.9%	Call	Sole	2026-08-14
2026-06-30	$12,592,055	370,900	-60.6%	Put	Sole	2026-08-14
2026-03-31	$58,247,161	1,493,900	+1383.5%	Call	Sole	2026-05-15
2026-03-31	$116	3	-100.0%	Shares	Sole	2026-05-15
2026-03-31	$36,709,085	941,500	+27.3%	Put	Sole	2026-05-15
2025-12-31	$2,845,782	100,700	0.0%	Call	Sole	2026-02-17
2025-12-31	$2,785,418	98,564	+87.5%	Shares	Sole	2026-02-17
2025-12-31	$20,898,270	739,500	+221.5%	Put	Sole	2026-02-17
2025-09-30	$2,477,220	100,700	+7.4%	Call	Sole	2025-11-14
2025-09-30	$1,293,197	52,569	+709.9%	Shares	Sole	2025-11-14
2025-09-30	$5,658,000	230,000	0.0%	Put	Sole	2025-11-14
2025-06-30	$4,687,400	230,000	+187.1%	Put	Sole	2025-08-14
2025-06-30	$132,286	6,491	-88.9%	Shares	Sole	2025-08-14
2025-03-31	$1,487,772	58,643	+51.0%	Shares	Sole	2025-05-15
2025-03-31	$2,379,706	93,800	+42.8%	Call	Sole	2025-05-15
2025-03-31	$2,032,137	80,100	-17.9%	Put	Sole	2025-05-15
2024-12-31	$1,055,733	38,828	-85.1%	Shares	Sole	2025-02-14
2024-12-31	$1,786,383	65,700	-58.3%	Call	Sole	2025-02-14
2024-12-31	$2,653,744	97,600	-87.6%	Put	Sole	2025-02-14
2024-09-30	$7,579,377	260,908	+22.6%	Shares	Sole	2024-11-14
2024-09-30	$22,926,260	789,200	+54.9%	Put	Sole	2024-11-14
2024-09-30	$4,581,185	157,700	-35.1%	Call	Sole	2024-11-14
2024-06-30	$8,208,540	243,000	-6.5%	Call	Sole	2024-08-14
2024-06-30	$17,210,910	509,500	+52.6%	Put	Sole	2024-08-14
2024-06-30	$7,188,046	212,790	+7749.1%	Shares	Sole	2024-08-14
2024-03-31	$106,867	2,711	-99.3%	Shares	Sole	2024-05-15
2024-03-31	$10,245,258	259,900	-3.7%	Call	Sole	2024-05-15
2024-03-31	$13,158,396	333,800	-45.7%	Put	Sole	2024-05-15
2023-12-31	$22,217,790	614,600	+12.4%	Put	Sole	2024-02-14
2023-12-31	$14,432,598	399,242	+9.6%	Shares	Sole	2024-02-14
2023-12-31	$9,760,500	270,000	-34.0%	Call	Sole	2024-02-14
2023-09-30	$22,153,500	547,000	+453.6%	Put	Sole	2023-11-14
2023-09-30	$16,576,650	409,300	+293.9%	Call	Sole	2023-11-14
2023-09-30	$14,748,156	364,152	+167.2%	Shares	Sole	2023-11-14
2023-06-30	$3,259,412	98,800	+110.2%	Put	Sole	2023-08-14
2023-06-30	$3,427,661	103,900	+195.2%	Call	Sole	2023-08-14
2023-06-30	$4,496,372	136,295	+56.3%	Shares	Sole	2023-08-14
2023-03-31	$1,487,080	47,000	-80.3%	Put	Sole	2023-05-15
2023-03-31	$2,758,375	87,180	-3.7%	Shares	Sole	2023-05-15
2023-03-31	$1,113,728	35,200	-89.5%	Call	Sole	2023-05-15
2022-12-31	$9,404,650	239,000	-78.2%	Put	Sole	2023-02-27
2022-12-31	$3,560,702	90,488	-86.5%	Shares	Sole	2023-02-27
2022-12-31	$13,225,535	336,100	-67.1%	Call	Sole	2023-02-27
2022-09-30	$25,176,412	1,022,600	-1.2%	Call	Sole	2022-11-21
2022-09-30	$16,459,750	668,552	+116.5%	Shares	Sole	2022-11-21
2022-09-30	$27,005,678	1,096,900	-22.0%	Put	Sole	2022-11-21
2022-06-30	$44,114,112	1,406,700	—	Put	Sole	2022-08-17
2022-06-30	$9,684,657	308,822	—	Shares	Sole	2022-08-17
2022-06-30	$32,463,872	1,035,200	—	Call	Sole	2022-08-17
No filing history on record for this holder in this stock.