CITADEL ADVISORS LLC

CIK

1423053

City

MIAMI

State / Country

Stock

MRTN — Marten Transport Ltd

Top Portfolio Positions

4,277 positions · $548,325,010,314 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
SPY	Spdr S&P 500 ETF Trust	64,565,975	$41,989,836,181	7.66%
QQQ	Invesco Qqq Trust, Series 1	55,171,964	$31,844,154,181	5.81%
NVDA	Nvidia Corp Technology	137,243,161	$23,935,207,278	4.37%
TSLA	Tesla, Inc. Consumer Cyclical	63,922,509	$23,763,192,720	4.33%
GLD	Spdr Gold Trust	34,441,722	$14,819,928,559	2.70%
AAPL	Apple Inc. Technology	55,393,070	$14,058,207,235	2.56%
META	Meta Platforms, Inc. Communication Services	23,967,037	$13,712,260,878	2.50%
MSFT	Microsoft Corp Technology	32,176,424	$11,910,746,871	2.17%
AMZN	Amazon Com Inc Consumer Cyclical	51,582,437	$10,743,074,153	1.96%
MU	Micron Technology Inc Technology	31,629,772	$10,685,802,171	1.95%

Portfolio Trend

25 quarters · across all stocks

Holdings in MRTN

Compact Export CSV

Shares Held

Position Value (USD)

49 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,382,589	105,300	-84.3%	Call	Defined	2026-05-15
2026-03-31	$8,788,473	669,343	-4.5%	Shares	Defined	2026-05-15
2025-12-31	$7,978,938	701,137	+59.7%	Shares	Defined	2026-02-17
2025-09-30	$4,681,307	439,147	+3892.2%	Shares	Defined	2025-11-14
2025-09-30	$117,260	11,000	-9.1%	Put	Defined	2025-11-14
2025-09-30	$128,986	12,100	-84.7%	Call	Defined	2025-11-14
2025-06-30	$1,024,911	78,900	-59.5%	Put	Defined	2025-08-14
2025-06-30	$2,527,854	194,600	-52.5%	Call	Defined	2025-08-14
2025-06-30	$5,325,860	409,997	+389.8%	Shares	Defined	2025-08-14
2025-03-31	$1,148,364	83,700	+26.2%	Call	Defined	2025-05-15
2025-03-31	$909,636	66,300	-50.5%	Put	Defined	2025-05-15
2025-03-31	$1,839,152	134,049	-35.1%	Shares	Defined	2025-05-15
2024-12-31	$3,226,445	206,691	-0.1%	Shares	Defined	2025-02-14
2024-12-31	$3,229,709	206,900	+9304.5%	Put	Defined	2025-02-14
2024-12-31	$34,342	2,200	-99.0%	Call	Defined	2025-02-14
2024-09-30	$4,034,254	227,924	+32460.6%	Shares	Defined	2024-11-14
2024-09-30	$12,390	700	-98.7%	Call	Defined	2024-11-14
2024-09-30	$938,100	53,000	-67.1%	Put	Defined	2024-11-14
2024-06-30	$2,973,641	161,173	+149.1%	Shares	Defined	2024-08-14
2024-06-30	$1,193,715	64,700	+7987.5%	Put	Defined	2024-08-14
2024-06-30	$14,760	800	-93.6%	Call	Defined	2024-08-14
2024-03-31	$231,000	12,500	+1983.3%	Put	Defined	2024-05-15
2024-03-31	$11,088	600	-99.4%	Call	Defined	2024-05-15
2024-03-31	$2,014,855	109,029	+3417.1%	Shares	Defined	2024-05-15
2023-12-31	$65,038	3,100	-95.8%	Put	Defined	2024-02-14
2023-12-31	$1,542,197	73,508	+6025.7%	Shares	Defined	2024-02-14
2023-12-31	$25,176	1,200	-90.5%	Call	Defined	2024-02-14
2023-09-30	$248,346	12,600	-88.7%	Call	Defined	2023-11-14
2023-09-30	$2,190,490	111,136	+450.2%	Shares	Defined	2023-11-14
2023-09-30	$398,142	20,200	-54.4%	Put	Defined	2023-11-14
2023-06-30	$951,697	44,265	+8753.0%	Shares	Defined	2023-08-14
2023-06-30	$10,750	500	-98.9%	Call	Defined	2023-08-14
2023-06-30	$939,550	43,700	+163.3%	Put	Defined	2023-08-14
2023-03-31	$347,770	16,600	+49.6%	Put	Defined	2023-05-15
2023-03-31	$232,460	11,096	+753.5%	Shares	Defined	2023-05-15
2023-03-31	$27,235	1,300	+550.0%	Call	Defined	2023-05-15
2022-12-31	$3,956	200	-99.8%	Call	Defined	2023-02-14
2022-12-31	$2,207,625	111,609	+12301.0%	Shares	Defined	2023-02-14
2022-12-31	$17,802	900	-99.8%	Put	Defined	2023-02-14
2022-09-30	$7,104,528	370,800	+234.1%	Put	Defined	2022-11-14
2022-09-30	$2,126,683	110,996	+236.4%	Shares	Defined	2022-11-14
2022-06-30	$555,060	33,000	+100.4%	Put	Defined	2022-08-15
2022-03-31	$292,507	16,470	-68.9%	Shares	Defined	2022-05-16
2021-12-31	$909,719	53,014	-54.8%	Shares	Defined	2022-02-14
2021-09-30	$1,839,573	117,245	+83.2%	Shares	Defined	2021-11-15
2021-06-30	$1,055,227	63,992	+84.0%	Shares	Defined	2021-08-16
2020-12-31	$599,156	34,774	+261.3%	Shares	Defined	2021-02-16
2020-06-30	$161,459	9,626	-87.5%	Shares	Defined	2020-08-14
2020-03-31	$1,054,494	77,083	—	Shares	Defined	2020-05-15
No 13F history on record for this holder in this stock.