Stocks
COST
Parallax Volatility Advisers, L.P.

Parallax Volatility Advisers, L.P.

CIK

1521001

City

San Francisco

State / Country

Stock

COST — Costco Wholesale Corp /New

Top Portfolio Positions

569 positions · $29,911,663,815 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	26.67%
QQQ	Invesco Qqq Trust, Series 1	7,438,500	$4,293,353,430	14.35%
NVDA	Nvidia Corp Technology	4,679,474	$816,100,265	2.73%
GLD	Spdr Gold Trust	1,555,773	$669,433,564	2.24%
META	Meta Platforms, Inc. Communication Services	1,021,600	$584,488,008	1.95%
AAPL	Apple Inc. Technology	1,836,016	$465,962,500	1.56%
TSLA	Tesla, Inc. Consumer Cyclical	1,225,532	$455,591,521	1.52%
AMZN	Amazon Com Inc Consumer Cyclical	1,976,500	$411,645,655	1.38%
IBIT	iShares Bitcoin Trust ETF	9,338,200	$358,773,644	1.20%
CVX	Chevron Corp Energy	1,531,575	$316,882,867	1.06%

Portfolio Trend

33 quarters · across all stocks

Holdings in COST

Compact Export CSV

Shares Held

Position Value (USD)

50 of 50 shown

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$96,255,138	96,600	+4730.0%	Put	Sole	2026-05-15
2026-03-31	$1,992,860	2,000	-37.7%	Call	Sole	2026-05-15
2026-03-31	$3,200,533	3,212	-84.6%	Shares	Sole	2026-05-15
2025-12-31	$17,936,672	20,800	-47.1%	Call	Sole	2026-02-17
2025-12-31	$33,889,962	39,300	+1964900.0%	Put	Sole	2026-02-17
2025-12-31	$1,724	2	-100.0%	Shares	Sole	2026-02-17
2025-09-30	$10,829,871	11,700	+459.5%	Call	Sole	2025-11-14
2025-09-30	$1,935,492	2,091	-94.4%	Shares	Sole	2025-11-14
2025-09-30	$34,525,999	37,300	+1087.9%	Put	Sole	2025-11-14
2025-06-30	$3,108,411	3,140	-90.9%	Shares	Sole	2025-08-14
2025-06-30	$34,152,930	34,500	-7.5%	Call	Sole	2025-08-14
2025-06-30	$36,924,762	37,300	+249.8%	Put	Sole	2025-08-14
2025-03-31	$10,084,852	10,663	-77.6%	Shares	Sole	2025-05-15
2025-03-31	$45,113,706	47,700	-70.7%	Put	Sole	2025-05-15
2025-03-31	$154,067,562	162,900	+1080.4%	Call	Sole	2025-05-15
2024-12-31	$12,644,526	13,800	-82.0%	Call	Sole	2025-02-14
2024-12-31	$70,094,655	76,500	+203.9%	Put	Sole	2025-02-14
2024-12-31	$23,061,599	25,169	+167.8%	Shares	Sole	2025-02-14
2024-09-30	$8,333,288	9,400	+62.9%	Put	Sole	2024-11-14
2024-09-30	$5,116,993	5,772	-81.3%	Shares	Sole	2024-11-14
2024-09-30	$27,393,468	30,900	+382.8%	Call	Sole	2024-11-14
2024-06-30	$5,439,936	6,400	-82.6%	Put	Sole	2024-08-14
2024-06-30	$31,194,633	36,700	+399.3%	Call	Sole	2024-08-14
2024-06-30	$6,247,426	7,350	-54.1%	Shares	Sole	2024-08-14
2024-03-31	$11,722,080	16,000	-77.6%	Put	Sole	2024-05-15
2024-03-31	$52,309,782	71,400	+78.0%	Call	Sole	2024-05-15
2023-12-31	$26,471,848	40,104	+23.0%	Shares	Sole	2024-02-14
2023-12-31	$21,518,608	32,600	+14.8%	Put	Sole	2024-02-14
2023-12-31	$18,746,272	28,400	+7.2%	Call	Sole	2024-02-14
2023-09-30	$14,971,440	26,500	+44.0%	Put	Sole	2023-11-14
2023-09-30	$10,399,783	18,408	+2.8%	Shares	Sole	2023-11-14
2023-09-30	$10,112,784	17,900	-76.3%	Call	Sole	2023-11-14
2023-06-30	$40,701,528	75,600	+2744.2%	Put	Sole	2023-08-14
2023-06-30	$1,431,014	2,658	-92.2%	Shares	Sole	2023-08-14
2023-06-30	$18,251,082	33,900	+112900.0%	Call	Sole	2023-08-14
2023-03-31	$14,906	30	-100.0%	Shares	Sole	2023-05-15
2023-03-31	$65,686,214	132,200	+160.2%	Call	Sole	2023-05-15
2023-03-31	$25,240,996	50,800	+84566.7%	Put	Sole	2023-05-15
2022-12-31	$27,390	60	-100.0%	Shares	Sole	2023-02-27
2022-12-31	$71,396,600	156,400	+63.9%	Call	Sole	2023-02-27
2022-12-31	$43,550,100	95,400	+38.7%	Put	Sole	2023-02-27
2022-09-30	$32,492,176	68,800	+114566.7%	Call	Sole	2022-11-21
2022-09-30	$28,336	60	-99.8%	Shares	Sole	2022-11-21
2022-09-30	$17,710,125	37,500	-71.9%	Put	Sole	2022-11-21
2022-06-30	$63,935,952	133,400	-51.6%	Put	Sole	2022-08-17
2022-06-30	$132,233,352	275,900	+211.4%	Call	Sole	2022-08-17
2022-03-31	$51,020,310	88,600	+29.0%	Call	Sole	2022-05-16
2022-03-31	$39,560,895	68,700	+95.2%	Put	Sole	2022-05-16
2022-03-31	$20,263,009	35,188	-33.5%	Shares	Sole	2022-05-16
2021-12-31	$30,031,330	52,900	—	Call	Sole	2022-02-14
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