Parallax Volatility Advisers, L.P.

CIK

1521001

City

San Francisco

State / Country

Stock

STM — STMicroelectronics N.V.

Top Portfolio Positions

581 positions · $30,167,148,063 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
SPY	Spdr S&P 500 ETF Trust	12,266,800	$7,977,590,712	26.44%
QQQ	Invesco Qqq Trust, Series 1	7,438,500	$4,293,353,430	14.23%
NVDA	Nvidia Corp Technology	4,679,474	$816,100,265	2.71%
GLD	Spdr Gold Trust	1,555,773	$669,433,564	2.22%
META	Meta Platforms, Inc. Communication Services	1,021,600	$584,488,008	1.94%
AAPL	Apple Inc. Technology	1,836,016	$465,962,500	1.54%
TSLA	Tesla, Inc. Consumer Cyclical	1,225,532	$455,591,521	1.51%
AMZN	Amazon Com Inc Consumer Cyclical	1,976,500	$411,645,655	1.36%
IBIT	iShares Bitcoin Trust ETF	9,338,200	$358,773,644	1.19%
CVX	Chevron Corp Energy	1,531,575	$316,882,867	1.05%

Portfolio Trend

25 quarters · across all stocks

Holdings in STM

Compact Export CSV

Shares Held

Position Value (USD)

48 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$6,533,405	189,100	+215.2%	Call	Sole	2026-05-15
2026-03-31	$2,073,000	60,000	-67.2%	Put	Sole	2026-05-15
2025-03-31	$4,011,740	182,684	-21.6%	Shares	Sole	2025-05-15
2025-03-31	$5,114,484	232,900	-23.8%	Put	Sole	2025-05-15
2024-12-31	$7,635,826	305,800	+919.3%	Put	Sole	2025-02-14
2024-12-31	$749,100	30,000	-85.4%	Call	Sole	2025-02-14
2024-12-31	$5,123,094	205,170	+583.9%	Shares	Sole	2025-02-14
2024-09-30	$891,900	30,000	-88.2%	Call	Sole	2024-11-14
2024-09-30	$7,590,069	255,300	+293.1%	Put	Sole	2024-11-14
2024-09-30	$1,930,695	64,941	+2305.2%	Shares	Sole	2024-11-14
2024-06-30	$106,056	2,700	-88.6%	Call	Sole	2024-08-14
2024-06-30	$932,703	23,745	-63.5%	Shares	Sole	2024-08-14
2024-06-30	$2,557,128	65,100	+23.1%	Put	Sole	2024-08-14
2023-12-31	$2,651,877	52,900	-35.0%	Call	Sole	2024-02-14
2023-09-30	$3,513,224	81,400	+59.0%	Call	Sole	2023-11-14
2023-06-30	$2,559,488	51,200	+1551.6%	Call	Sole	2023-08-14
2023-06-30	$154,969	3,100	-85.5%	Put	Sole	2023-08-14
2023-03-31	$1,144,686	21,400	+109.8%	Call	Sole	2023-05-15
2023-03-31	$545,598	10,200	-80.2%	Put	Sole	2023-05-15
2023-03-31	$2,757,890	51,559	+123.2%	Shares	Sole	2023-05-15
2022-12-31	$821,667	23,100	+86.3%	Call	Sole	2023-02-27
2022-12-31	$441,068	12,400	+7.8%	Put	Sole	2023-02-27
2022-09-30	$355,810	11,500	-93.2%	Put	Sole	2022-11-21
2022-09-30	$5,259,800	170,000	+9344.4%	Call	Sole	2022-11-21
2022-06-30	$56,646	1,800	-62.5%	Put	Sole	2022-08-17
2022-06-30	$151,056	4,800	-67.1%	Call	Sole	2022-08-17
2022-03-31	$631,012	14,600	+5.8%	Call	Sole	2022-05-16
2022-03-31	$596,436	13,800	-44.5%	Put	Sole	2022-05-16
2021-12-31	$1,214,619	24,849	+38.8%	Shares	Sole	2022-02-14
2021-09-30	$780,977	17,900	+316.3%	Put	Sole	2021-11-15
2021-09-30	$187,609	4,300	-86.4%	Call	Sole	2021-11-15
2021-09-30	$1,383,681	31,714	+1323.4%	Shares	Sole	2021-11-15
2021-06-30	$81,054	2,228	-82.2%	Shares	Sole	2021-08-16
2021-06-30	$454,750	12,500	-92.8%	Put	Sole	2021-08-16
2021-06-30	$6,286,464	172,800	-83.7%	Call	Sole	2021-08-16
2021-03-31	$40,744,790	1,063,000	+3250.2%	Call	Sole	2021-05-14
2021-03-31	$1,216,172	31,729	-18.0%	Shares	Sole	2021-05-14
2021-03-31	$1,483,371	38,700	-64.1%	Put	Sole	2021-05-14
2020-12-31	$4,005,248	107,900	+201.7%	Put	Sole	2021-02-16
2020-12-31	$1,327,596	35,765	-98.2%	Shares	Sole	2021-02-16
2020-12-31	$75,509,504	2,034,200	+51.4%	Call	Sole	2021-02-16
2020-09-30	$41,235,084	1,343,600	+2716.8%	Call	Sole	2020-11-13
2020-09-30	$1,463,913	47,700	-78.7%	Put	Sole	2020-11-13
2020-09-30	$6,868,145	223,791	+13886.9%	Shares	Sole	2020-11-13
2020-06-30	$43,856	1,600	-98.5%	Put	Sole	2020-08-14
2020-06-30	$2,886,273	105,300	+12.0%	Call	Sole	2020-08-14
2020-03-31	$2,008,780	94,000	+86937.0%	Call	Sole	2020-05-15
2020-03-31	$2,307	108	—	Shares	Sole	2020-05-15
No 13F history on record for this holder in this stock.