Parallax Volatility Advisers, L.P.

Position in AMBA — Ambarella Inc

CIK 1521001 San Francisco, CA

Back to AMBA Full portfolio

Position in AMBA

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

Position Value

-$797,957 QoQ

Shares Held

-100.0% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

16 quarters on record

Common Shares in AMBA Over Time

Shares Held

Position Value (USD)

Derivatives in AMBA

reported options exposure · as of Jun 30, 2026

CallValue

$2,488,200

CallShares

29,000

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 Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

Parallax Volatility Advisers, L.P. holds $99,850,985 across 5 Semiconductor Equipment & Materials names.

#	Ticker	Company	Shares	Value (USD)
1	AMAT	Applied Materials Inc /De	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 AMBA

Export CSV

43 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,488,200	29,000	+4733.3%	Call	Sole	2026-08-14
2024-12-31	$797,957	10,970	+337.2%	Shares	Sole	2025-02-14
2024-12-31	$43,644	600	-45.5%	Call	Sole	2025-02-14
2024-12-31	$80,014	1,100	+83.3%	Put	Sole	2025-02-14
2023-09-30	$133,052	2,509	-87.8%	Shares	Sole	2023-11-14
2023-09-30	$58,333	1,100	-47.6%	Call	Sole	2023-11-14
2023-09-30	$31,818	600	-83.8%	Put	Sole	2023-11-14
2023-06-30	$175,707	2,100	-97.3%	Call	Sole	2023-08-14
2023-06-30	$1,718,749	20,542	-27.0%	Shares	Sole	2023-08-14
2023-06-30	$309,579	3,700	-96.8%	Put	Sole	2023-08-14
2023-03-31	$8,825,880	114,000	-46.2%	Put	Sole	2023-05-15
2023-03-31	$2,179,605	28,153	-7.4%	Shares	Sole	2023-05-15
2023-03-31	$6,085,212	78,600	-39.2%	Call	Sole	2023-05-15
2022-12-31	$2,501,107	30,416	-21.3%	Shares	Sole	2023-02-27
2022-12-31	$17,408,091	211,700	+92.8%	Put	Sole	2023-02-27
2022-12-31	$10,632,339	129,300	+49.5%	Call	Sole	2023-02-27
2022-09-30	$6,168,564	109,800	+305.2%	Put	Sole	2022-11-21
2022-09-30	$2,170,570	38,636	+1822.2%	Shares	Sole	2022-11-21
2022-09-30	$4,859,570	86,500	+36.7%	Call	Sole	2022-11-21
2022-06-30	$131,574	2,010	-84.6%	Shares	Sole	2022-08-17
2022-06-30	$4,143,618	63,300	+11.4%	Call	Sole	2022-08-17
2022-06-30	$1,773,966	27,100	-34.9%	Put	Sole	2022-08-17
2022-03-31	$4,364,672	41,600	+195.0%	Put	Sole	2022-05-16
2022-03-31	$5,959,456	56,800	+773.8%	Call	Sole	2022-05-16
2021-12-31	$2,647,917	13,051	-61.0%	Shares	Sole	2022-02-14
2021-12-31	$2,860,749	14,100	+3425.0%	Put	Sole	2022-02-14
2021-12-31	$1,318,785	6,500	-78.3%	Call	Sole	2022-02-14
2021-09-30	$5,217,757	33,503	+339.6%	Shares	Sole	2021-11-15
2021-09-30	$4,672,200	30,000	-33.5%	Call	Sole	2021-11-15
2021-09-30	$62,296	400	-91.3%	Put	Sole	2021-11-15
2021-06-30	$4,809,013	45,100	+535.2%	Call	Sole	2021-08-16
2020-12-31	$699,852	7,622	+45.7%	Shares	Sole	2021-02-16
2020-12-31	$422,372	4,600	-72.9%	Put	Sole	2021-02-16
2020-12-31	$651,922	7,100	-96.7%	Call	Sole	2021-02-16
2020-09-30	$11,286,534	216,300	+1960.0%	Call	Sole	2020-11-13
2020-09-30	$887,060	17,000	+359.5%	Put	Sole	2020-11-13
2020-09-30	$272,901	5,230	-58.4%	Shares	Sole	2020-11-13
2020-06-30	$169,460	3,700	+32.1%	Put	Sole	2020-08-14
2020-06-30	$575,614	12,568	+577.2%	Shares	Sole	2020-08-14
2020-06-30	$480,900	10,500	-85.1%	Call	Sole	2020-08-14
2020-03-31	$90,127	1,856	—	Shares	Sole	2020-05-15
2020-03-31	$135,968	2,800	—	Put	Sole	2020-05-15
2020-03-31	$3,428,336	70,600	—	Call	Sole	2020-05-15
No filing history on record for this holder in this stock.