Parallax Volatility Advisers, L.P.

Position in AMAT — Applied Materials Inc /De

CIK 1521001 San Francisco, CA

Back to AMAT Full portfolio

Position in AMAT

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

Position Value

$55,600,869

+$55,600,869 QoQ

Shares Held

76,903

Ownership

0.010%

of shares outstanding

% of Portfolio

2.73%

of 13F equity value

Holder Rank

#446

of 3,498 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMAT Over Time

Shares Held

Position Value (USD)

Derivatives in AMAT

reported options exposure · as of Jun 30, 2026

CallValue

$31,595,100

CallShares

43,700

PutValue

$33,402,600

PutShares

46,200

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 Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

Parallax Volatility Advisers, L.P. holds $99,850,985 across 5 Semiconductor Equipment & Materials names. AMAT ranks #1 (55.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMAT	Applied Materials Inc /De This page	76,903	$55,600,869
2	LRCX	Lam Research Corp	70,231	$30,433,199
3	TER	Teradyne, Inc	24,720	$11,960,524
4	KLAC	Kla Corp	4,561	$1,376,099
5	Q	Qnity Electronics, Inc.	2,941	$480,294

All Filings in AMAT

Export CSV

50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$55,600,869	76,903	+104.7%	Shares	Sole	2026-08-14
2026-06-30	$31,595,100	43,700	-63.6%	Call	Sole	2026-08-14
2026-06-30	$33,402,600	46,200	+15.5%	Put	Sole	2026-08-14
2026-03-31	$41,014,800	120,000	-30.9%	Call	Sole	2026-05-15
2026-03-31	$13,671,600	40,000	-61.9%	Put	Sole	2026-05-15
2025-12-31	$44,613,464	173,600	+28.9%	Call	Sole	2026-02-17
2025-12-31	$26,983,950	105,000	+226.1%	Put	Sole	2026-02-17
2025-09-30	$6,592,628	32,200	-71.2%	Put	Sole	2025-11-14
2025-09-30	$27,578,478	134,700	+1484.7%	Call	Sole	2025-11-14
2025-06-30	$1,556,095	8,500	-10.5%	Call	Sole	2025-08-14
2025-06-30	$6,877,390	37,567	-67.7%	Shares	Sole	2025-08-14
2025-06-30	$20,503,840	112,000	-60.9%	Put	Sole	2025-08-14
2025-03-31	$41,605,904	286,700	+120.0%	Put	Sole	2025-05-15
2025-03-31	$1,378,640	9,500	-93.0%	Call	Sole	2025-05-15
2025-03-31	$16,888,340	116,375	+212.6%	Shares	Sole	2025-05-15
2024-12-31	$21,190,689	130,300	+86.9%	Put	Sole	2025-02-14
2024-12-31	$22,166,469	136,300	+23.0%	Call	Sole	2025-02-14
2024-09-30	$14,082,885	69,700	+64.8%	Put	Sole	2024-11-14
2024-09-30	$22,387,140	110,800	+1.9%	Call	Sole	2024-11-14
2024-06-30	$25,652,113	108,700	-57.9%	Call	Sole	2024-08-14
2024-06-30	$9,982,377	42,300	-81.7%	Put	Sole	2024-08-14
2024-03-31	$53,310,455	258,500	+140.2%	Call	Sole	2024-05-15
2024-03-31	$47,577,261	230,700	-52.9%	Put	Sole	2024-05-15
2023-12-31	$17,438,732	107,600	-24.5%	Call	Sole	2024-02-14
2023-12-31	$79,381,886	489,800	-39.7%	Put	Sole	2024-02-14
2023-12-31	$6,034,352	37,233	+2.4%	Shares	Sole	2024-02-14
2023-09-30	$112,393,710	811,800	+73.6%	Put	Sole	2023-11-14
2023-09-30	$19,729,125	142,500	+201.3%	Call	Sole	2023-11-14
2023-09-30	$5,036,257	36,376	-69.1%	Shares	Sole	2023-11-14
2023-06-30	$17,027,101	117,802	+26020.2%	Shares	Sole	2023-08-14
2023-06-30	$67,601,358	467,700	-4.1%	Put	Sole	2023-08-14
2023-06-30	$6,836,742	47,300	-94.0%	Call	Sole	2023-08-14
2023-03-31	$59,928,757	487,900	-40.4%	Put	Sole	2023-05-15
2023-03-31	$55,396	451	+152.0%	Shares	Sole	2023-05-15
2023-03-31	$96,323,286	784,200	-47.7%	Call	Sole	2023-05-15
2022-12-31	$17,431	179	-99.4%	Shares	Sole	2023-02-27
2022-12-31	$79,725,006	818,700	-32.2%	Put	Sole	2023-02-27
2022-12-31	$146,099,214	1,500,300	+121.8%	Call	Sole	2023-02-27
2022-09-30	$98,938,668	1,207,600	+198.7%	Put	Sole	2022-11-21
2022-09-30	$55,417,452	676,400	+44.7%	Call	Sole	2022-11-21
2022-09-30	$2,458,391	30,006	+50757.6%	Shares	Sole	2022-11-21
2022-06-30	$5,367	59	0.0%	Shares	Sole	2022-08-17
2022-06-30	$36,783,214	404,300	-57.7%	Put	Sole	2022-08-17
2022-06-30	$42,533,150	467,500	-34.4%	Call	Sole	2022-08-17
2022-03-31	$126,013,980	956,100	-61.4%	Put	Sole	2022-05-16
2022-03-31	$7,776	59	-99.6%	Shares	Sole	2022-05-16
2022-03-31	$93,907,500	712,500	+43.5%	Call	Sole	2022-05-16
2021-12-31	$389,450,264	2,474,900	—	Put	Sole	2022-02-14
2021-12-31	$2,626,495	16,691	—	Shares	Sole	2022-02-14
2021-12-31	$78,113,504	496,400	—	Call	Sole	2022-02-14
No filing history on record for this holder in this stock.