Parallax Volatility Advisers, L.P.

Position in ON — On Semiconductor Corp

CIK 1521001 San Francisco, CA

Back to ON Full portfolio

Position in ON

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

Position Value

+$0 QoQ

Shares Held

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Common Shares in ON Over Time

Shares Held

Position Value (USD)

Derivatives in ON

reported options exposure · as of Jun 30, 2026

CallValue

$12,536,004

CallShares

132,600

PutValue

$29,137,228

PutShares

308,200

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 Semiconductors

Technology · as of Jun 30, 2026

Parallax Volatility Advisers, L.P. holds $366,438,387 across 12 Semiconductors names.

#	Ticker	Company	Shares	Value (USD)
1	NVDA	Nvidia Corp	1,157,378	$231,579,764
2	INTC	Intel Corp	459,534	$64,164,732
3	MU	Micron Technology Inc	38,116	$43,996,917
4	TXN	Texas Instruments Inc	50,809	$15,144,638
5	SMTC	Semtech Corp	24,894	$4,029,093
6	ADI	Analog Devices Inc	8,523	$3,385,079
7	TSM	Taiwan Semiconductor Manufacturing Co Ltd	2,046	$977,108
8	HIMX	Himax Technologies, Inc.	52,231	$801,223

All Filings in ON

Export CSV

50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$29,137,228	308,200	+57.6%	Put	Sole	2026-08-14
2026-06-30	$12,536,004	132,600	+32.6%	Call	Sole	2026-08-14
2026-03-31	$12,111,552	195,600	+59.7%	Put	Sole	2026-05-15
2026-03-31	$6,192,000	100,000	0.0%	Call	Sole	2026-05-15
2025-12-31	$6,633,375	122,500	+19.5%	Put	Sole	2026-02-17
2025-12-31	$5,415,000	100,000	0.0%	Call	Sole	2026-02-17
2025-09-30	$5,054,275	102,500	-7.2%	Put	Sole	2025-11-14
2025-09-30	$4,931,000	100,000	-35.4%	Call	Sole	2025-11-14
2025-06-30	$8,113,068	154,800	+50.3%	Call	Sole	2025-08-14
2025-06-30	$5,786,064	110,400	-62.0%	Put	Sole	2025-08-14
2025-03-31	$4,191,070	103,000	+3.0%	Call	Sole	2025-05-15
2025-03-31	$11,812,307	290,300	+49.5%	Put	Sole	2025-05-15
2024-12-31	$6,305,000	100,000	-0.6%	Call	Sole	2025-02-14
2024-12-31	$12,244,310	194,200	-6.4%	Put	Sole	2025-02-14
2024-09-30	$15,066,575	207,500	-76.1%	Put	Sole	2024-11-14
2024-09-30	$7,304,566	100,600	-81.2%	Call	Sole	2024-11-14
2024-06-30	$59,549,385	868,700	+1333.5%	Put	Sole	2024-08-14
2024-06-30	$36,619,410	534,200	+372.7%	Call	Sole	2024-08-14
2024-03-31	$8,311,150	113,000	-68.6%	Call	Sole	2024-05-15
2024-03-31	$4,457,130	60,600	-53.2%	Put	Sole	2024-05-15
2023-12-31	$10,808,782	129,400	-1.1%	Put	Sole	2024-02-14
2023-12-31	$30,104,212	360,400	+27.8%	Call	Sole	2024-02-14
2023-09-30	$12,167,155	130,900	+44.0%	Put	Sole	2023-11-14
2023-09-30	$26,202,605	281,900	-4.4%	Call	Sole	2023-11-14
2023-06-30	$8,597,322	90,900	-77.7%	Put	Sole	2023-08-14
2023-06-30	$27,891,642	294,900	-51.1%	Call	Sole	2023-08-14
2023-03-31	$2,393,088	603,400	-44.1%	Call	Sole	2023-05-15
2023-03-31	$1,614,958	407,200	+10.6%	Put	Sole	2023-05-15
2022-12-31	$898,065	14,399	-94.0%	Shares	Sole	2023-02-27
2022-12-31	$22,958,397	368,100	+43.1%	Put	Sole	2023-02-27
2022-12-31	$67,347,126	1,079,800	+2.5%	Call	Sole	2023-02-27
2022-09-30	$16,037,509	257,300	+3.2%	Put	Sole	2022-11-21
2022-09-30	$65,652,189	1,053,300	+2.6%	Call	Sole	2022-11-21
2022-06-30	$51,648,246	1,026,600	-24.4%	Call	Sole	2022-08-17
2022-06-30	$12,547,314	249,400	+47.6%	Put	Sole	2022-08-17
2021-12-31	$11,478,480	169,000	-75.0%	Put	Sole	2022-02-14
2021-12-31	$92,235,360	1,358,000	+17.5%	Call	Sole	2022-02-14
2021-09-30	$11,007,730	240,501	+1103.9%	Shares	Sole	2021-11-15
2021-09-30	$30,908,481	675,300	+103.5%	Put	Sole	2021-11-15
2021-09-30	$52,919,274	1,156,200	+132.6%	Call	Sole	2021-11-15
2021-06-30	$19,025,160	497,000	-30.9%	Call	Sole	2021-08-16
2021-06-30	$12,701,304	331,800	-63.1%	Put	Sole	2021-08-16
2021-03-31	$831,242	19,977	-79.5%	Shares	Sole	2021-05-14
2021-03-31	$37,432,356	899,600	-47.4%	Put	Sole	2021-05-14
2021-03-31	$29,946,717	719,700	-42.2%	Call	Sole	2021-05-14
2020-12-31	$3,183,090	97,253	+312.2%	Shares	Sole	2021-02-16
2020-12-31	$40,781,580	1,246,000	—	Call	Sole	2021-02-16
2020-12-31	$55,932,297	1,708,900	+279.3%	Put	Sole	2021-02-16
2020-09-30	$9,771,345	450,500	—	Put	Sole	2020-11-13
2020-09-30	$511,753	23,594	—	Shares	Sole	2020-11-13
No filing history on record for this holder in this stock.