JANE STREET GROUP, LLC

CIK

1595888

City

NEW YORK

State / Country

Stock

SIMO — Silicon Motion Technology CORP

Top Portfolio Positions

3,970 positions · $675,363,467,990 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
SPY	Spdr S&P 500 ETF Trust	199,908,899	$130,008,753,375	19.25%
QQQ	Invesco Qqq Trust, Series 1	72,961,946	$42,112,175,991	6.24%
TSLA	Tesla, Inc. Consumer Cyclical	96,307,904	$35,802,463,311	5.30%
NVDA	Nvidia Corp Technology	186,634,816	$32,549,111,909	4.82%
GLD	Spdr Gold Trust	75,600,043	$32,529,942,501	4.82%
META	Meta Platforms, Inc. Communication Services	35,584,342	$20,358,869,587	3.01%
MU	Micron Technology Inc Technology	44,692,337	$15,098,859,131	2.24%
MSFT	Microsoft Corp Technology	39,450,469	$14,603,380,108	2.16%
AMZN	Amazon Com Inc Consumer Cyclical	67,664,445	$14,092,473,959	2.09%
AAPL	Apple Inc. Technology	49,649,392	$12,600,519,193	1.87%

Portfolio Trend

25 quarters · across all stocks

Holdings in SIMO

Compact Export CSV

Shares Held

Position Value (USD)

42 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,897,082	25,800	-71.6%	Put	Defined	2026-05-12
2026-03-31	$10,184,703	90,700	+149.1%	Call	Defined	2026-05-12
2026-03-31	$4,088,478	36,410	-54.1%	Shares	Defined	2026-05-12
2025-12-31	$7,359,452	79,390	+36.6%	Shares	Defined	2026-02-12
2025-12-31	$5,385,870	58,100	+96.3%	Call	Defined	2026-02-12
2025-12-31	$2,743,920	29,600	-11.6%	Put	Defined	2026-02-12
2025-09-30	$3,176,135	33,500	-74.3%	Put	Defined	2025-11-14
2025-09-30	$12,353,743	130,300	+261.9%	Call	Defined	2025-11-14
2025-06-30	$2,706,120	36,000	-6.7%	Put	Defined	2025-08-14
2025-06-30	$2,901,562	38,600	+49.6%	Call	Defined	2025-08-14
2025-03-31	$1,304,448	25,800	+11.2%	Call	Defined	2025-05-19
2024-12-31	$1,253,904	23,199	+11.5%	Shares	Defined	2025-02-14
2024-12-31	$1,124,240	20,800	+123.7%	Put	Defined	2025-02-14
2024-12-31	$502,665	9,300	-80.3%	Call	Defined	2025-02-14
2024-09-30	$2,873,002	47,300	+304.3%	Call	Defined	2024-11-15
2024-09-30	$710,658	11,700	-74.7%	Put	Defined	2024-11-15
2024-06-30	$3,744,247	46,231	+666.8%	Shares	Defined	2024-08-15
2024-03-31	$463,871	6,029	-97.4%	Shares	Defined	2024-05-16
2023-12-31	$14,480,550	236,340	+1244.9%	Shares	Defined	2024-02-15
2023-09-30	$900,616	17,573	-75.9%	Shares	Defined	2023-11-15
2023-06-30	$5,234,066	72,837	+848.8%	Shares	Defined	2023-08-14
2022-12-31	$498,927	7,677	-89.2%	Shares	Defined	2023-02-15
2022-09-30	$4,647,916	71,298	+421.0%	Shares	Defined	2022-11-15
2022-06-30	$1,145,350	13,684	-55.5%	Shares	Defined	2022-08-16
2022-03-31	$2,052,509	30,717	+198.2%	Shares	Defined	2022-05-17
2022-03-31	$688,246	10,300	+15.7%	Put	Defined	2022-05-17
2022-03-31	$594,698	8,900	-69.9%	Call	Defined	2022-05-17
2021-09-30	$2,037,806	29,542	-33.5%	Shares	Defined	2021-11-16
2021-09-30	$3,062,712	44,400	-22.6%	Call	Defined	2021-11-16
2021-09-30	$3,959,452	57,400	+287.4%	Put	Defined	2021-11-16
2021-06-30	$949,641	14,815	+78.5%	Shares	Defined	2021-08-16
2021-06-30	$532,030	8,300	-96.3%	Call	Defined	2021-08-16
2021-06-30	$14,345,580	223,800	+304.5%	Put	Defined	2021-08-16
2021-03-31	$3,285,632	55,323	+58.5%	Shares	Defined	2021-05-18
2021-03-31	$2,072,711	34,900	+391.5%	Put	Defined	2021-05-18
2021-03-31	$421,669	7,100	+14.5%	Call	Defined	2021-05-18
2020-12-31	$298,530	6,200	-93.4%	Call	Defined	2021-02-17
2020-12-31	$4,550,175	94,500	+242.7%	Put	Defined	2021-02-17
2020-12-31	$1,327,736	27,575	+75.6%	Shares	Defined	2021-02-17
2020-09-30	$593,146	15,700	-6.5%	Call	Defined	2020-11-17
2020-06-30	$819,336	16,800	-58.0%	Call	Defined	2020-08-17
2020-06-30	$1,948,799	39,959	—	Shares	Defined	2020-08-17
No 13F history on record for this holder in this stock.